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ORDER NO. KM41201526CE
F13
Telephone Equipment
Model No. KX-TG4732B
KX-TG4733B
KX-TG4734B
KX-TGA470B
Digital Cordless Answering System
B: Black Version
(for U.S.A.)
KX-TGA470B
(Handset)
KX-TG4731B
(Base Unit)
(Charger Unit)
Configuration for each model
Model No Base Unit
KX-TG4732 1 (TG4731)
KX-TG4733 1 (TG4731)
KX-TG4734 1 (TG4731)
KX-TGA470*
Handset Charger Unit Expandable
2 (TGA470)
1
Up to 6
3 (TGA470)
2
Up to 6
4 (TGA470)
3
Up to 6
1 (TGA470)
1
*KX-TGA470 is also an optional accessory, which contains a
handset and a charger.
© Panasonic System Networks Co., Ltd. 2012
Unauthorized copying and distribution is a violation
of law.
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
WARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general
public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting
to service a product. Products powered by electricity should be serviced or repaired only by experienced professional
technicians. Any attempt to service or repair the product or products dealt with in this service information by anyone
else could result in serious injury or death.
IMPORTANT SAFETY NOTICE
There are special components used in this equipment which are important for safety. These parts are marked by
in the Schematic Diagrams, Circuit Board Diagrams, Exploded Views and Replacement Parts List. It is essential that
these critical parts should be replaced with manufacturer’s specified parts to prevent shock, fire or other hazards.
Do not modify the original design without permission of manufacturer.
IMPORTANT INFORMATION ABOUT LEAD FREE, (PbF), SOLDERING
If lead free solder was used in the manufacture of this product, the printed circuit boards will be marked PbF.
Standard leaded, (Pb), solder can be used as usual on boards without the PbF mark.
When this mark does appear, please read and follow the special instructions described in this manual on the
use of PbF and how it might be permissible to use Pb solder during service and repair work.
L When you note the serial number, write down all 11 digits. The serial number may be found on the bottom of the unit.
L The illustrations in this Service Manual may vary slightly from the actual product.
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
TABLE OF CONTENTS
PAGE
1 Safety Precautions----------------------------------------------- 4
1.1. For Service Technicians --------------------------------- 4
2 Warning -------------------------------------------------------------- 4
2.1. Battery Caution--------------------------------------------- 4
2.2. About Lead Free Solder (PbF: Pb free)-------------- 4
2.3. Discarding of P. C. Board-------------------------------- 5
3 Specifications ----------------------------------------------------- 6
4 Technical Descriptions ----------------------------------------- 7
4.1. US-DECT Description ------------------------------------ 7
4.2. Block Diagram (Base Unit_Main)---------------------- 9
4.3. Block Diagram (Base Unit_RF Part) -----------------10
4.4. Circuit Operation (Base Unit) -------------------------- 11
4.5. Block Diagram (Handset)-------------------------------18
4.6. Block Diagram (Handset_RF Part)-------------------19
4.7. Circuit Operation (Handset)----------------------------20
4.8. Circuit Operation (Charger Unit) ----------------------21
4.9. Signal Route -----------------------------------------------22
5 Location of Controls and Components ------------------24
6 Installation Instructions ---------------------------------------24
7 Operating Instructions-----------------------------------------24
8 Test Mode ----------------------------------------------------------25
8.1. Engineering Mode ----------------------------------------25
9 Service Mode -----------------------------------------------------29
9.1. How to Clear User Setting (Handset Only)---------29
10 Troubleshooting Guide ----------------------------------------30
10.1. Troubleshooting Flowchart -----------------------------30
11 Disassembly and Assembly Instructions ---------------44
11.1. Disassembly Instructions -------------------------------44
11.2. How to Replace the Base Unit LCD -----------------48
11.3. How to Replace the Handset LCD -------------------50
12 Measurements and Adjustments---------------------------51
12.1. Equipment Required -------------------------------------51
12.2. The Setting Method of JIG -----------------------------51
12.3. Adjustment Standard (Base Unit)---------------------55
12.4. Adjustment Standard (Charger Unit)-----------------56
12.5. Adjustment Standard (Handset) ----------------------57
12.6. Things to Do after Replacing IC or X'tal ------------58
12.7. Frequency Table ------------------------------------------60
13 Miscellaneous ----------------------------------------------------61
13.1. How to Replace the LLP (Leadless Leadframe
Package) IC------------------------------------------------61
13.2. How to Replace the Flat Package IC ----------------63
13.3. Terminal Guide of the ICs, Transistors and
Diodes -------------------------------------------------------65
14 Schematic Diagram ---------------------------------------------66
14.1. For Schematic Diagram---------------------------------66
14.2. Schematic Diagram (Base Unit_Main) --------------68
14.3. Schematic Diagram (Base Unit_Operation) -------70
14.4. Schematic Diagram (Handset_Main) ----------------72
14.5. Schematic Diagram (Handset_LED)-----------------74
14.6. Schematic Diagram (Charger Unit) -----------------75
15 Printed Circuit Board-------------------------------------------77
15.1. Circuit Board (Base Unit_Main) -----------------------77
15.2. Circuit Board (Base Unit_Operation) ----------------79
15.3. Circuit Board (Handset_Main)-------------------------81
15.4. Circuit Board (Handset_LED) -------------------------83
15.5. Circuit Board (Charger Unit) ---------------------------84
16 Exploded View and Replacement Parts List -----------85
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16.1.
16.2.
16.3.
16.4.
16.5.
3
PAGE
Cabinet and Electrical Parts (Base Unit) ----------- 85
Cabinet and Electrical Parts (Handset)------------- 86
Cabinet and Electrical Parts (Charger Unit) ------- 87
Accessories and Packing Materials ----------------- 88
Replacement Parts List--------------------------------- 92
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
1 Safety Precautions
1.1.
For Service Technicians
• Repair service shall be provided in accordance with repair technology information such as service manual so as to
prevent fires, injury or electric shock, which can be caused by improper repair work.
1. When repair services are provided, neither the products nor their parts or members shall be remodeled.
2. If a lead wire assembly is supplied as a repair part, the lead wire assembly shall be replaced.
3. FASTON terminals shall be plugged straight in and unplugged straight out.
• ICs and LSIs are vulnerable to static electricity.
When repairing, the following precautions will help prevent recurring malfunctions.
1. Cover plastic parts boxes with aluminum foil.
2. Ground the soldering irons.
3. Use a conductive mat on worktable.
4. Do not grasp IC or LSI pins with bare fingers.
2 Warning
2.1.
Battery Caution
Risk of explosion if battery is replaced by an incorrect type. Dispose of used batteries according to the instructions.
Attention:
A nickel metal hydride battery that is recyclable powers the product you have purchased.
Please call 1-800-8-BATTERY (1-800-822-8837) for information on how to recycle this battery.
2.2.
About Lead Free Solder (PbF: Pb free)
Note:
In the information below, Pb, the symbol for lead in the periodic table of elements, will refer to standard solder or solder that
contains lead.
We will use PbF solder when discussing the lead free solder used in our manufacturing process which is made from Tin (Sn),
Silver (Ag), and Copper (Cu).
This model, and others like it, manufactured using lead free solder will have PbF stamped on the PCB. For service and repair
work we suggest using the same type of solder.
Caution
• PbF solder has a melting point that is 50 °F ~ 70 °F (30 °C ~ 40 °C) higher than Pb solder. Please use a soldering iron with
temperature control and adjust it to 700 °F ± 20 °F (370 °C ± 10 °C).
• Exercise care while using higher temperature soldering irons.:
Do not heat the PCB for too long time in order to prevent solder splash or damage to the PCB.
• PbF solder will tend to splash if it is heated much higher than its melting point, approximately 1100 °F (600 °C).
• When applying PbF solder to double layered boards, please check the component side for excess which may flow onto the
opposite side (See the figure below).
Remove all of the
excess solder
Component
pin
Solder
(Slice View)
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Component
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
2.2.1.
Suggested PbF Solder
There are several types of PbF solder available commercially. While this product is manufactured using Tin, Silver, and Copper
(Sn+Ag+Cu), you can also use Tin and Copper (Sn+Cu), or Tin, Zinc, and Bismuth (Sn+Zn+Bi). Please check the
manufacturer's specific instructions for the melting points of their products and any precautions for using their product with other
materials.
The following lead free (PbF) solder wire sizes are recommended for service of this product: 0.3 mm, 0.6 mm and 1.0 mm.
0.3 mm X 100 g
2.3.
0.6 mm X 100 g
1.0 mm X 100 g
Discarding of P. C. Board
When discarding P. C. Board, delete all personal information such as telephone directory and caller list or scrap P. C. Board.
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
3 Specifications
■ Standard:
DECT 6.0 (Digital Enhanced Cordless
Telecommunications 6.0)
■ Number of channels:
60 Duplex Channels
■ Frequency range:
1.92 GHz to 1.93 GHz
■ Duplex procedure:
TDMA (Time Division Multiple Access)
■ Channel spacing:
1.728MHz
■ Bit rate:
1,152 kbit/s
■ Modulation:
GFSK (Gaussian Frequency Shift Keying)
■ RF transmission power:
115 mW (max.)
■ Voice coding:
ADPCM 32 kbit/s
Handset
Charger
Rechargeable Ni-MH battery
AAA (R03) size (1.2 V 550 mAh)
Super Heterodyne
PLL synthesizer
Quadrature Discriminator
13.824 MHz ±100 Hz
Frequency Modulation
40 bit
AC Adaptor
(PNLV226Z, 120 V AC, 60 Hz)
Base Unit
Power source
Receiving Method
Oscillation Method
Detecting Method
Tolerance of OSC Frequency
Modulation Method
ID Code
Ringer Equivalence No. (REN)
Dialing Mode
Redial
Speed Dialer
Power Consumption
Operating Conditions
Dimensions (W x D x H)
Mass (Weight)
AC Adaptor
(PNLV226Z, 120 V AC, 60 Hz)
Super Heterodyne
PLL synthesizer
Quadrature Discriminator
13.824 MHz ±100 Hz
Frequency Modulation
40 bit
0.1B
Standby: Approx. 0.9 W
Maximum: Approx. 3.8 W
0 ˚C - 40 ˚C (32 ˚F – 104 ˚F)
20 % – 80 % relative air humidity
(dry)
Approx. 150 mm × 117 mm × 67 mm
Approx. 210 g
Tone (DTMF)/Pulse
Up to 48 digits
Up to 32 digits (Phonebook)
11 days at Standby,
13 hours at Talk
0 ˚C - 40 ˚C (32 ˚F – 104 ˚F)
20 % – 80 % relative air humidity
(dry)
Approx. 54 mm × 34 mm × 174 mm
Approx. 150 g
Note:
• Design and specifications are subject to change without notice.
Note for Service:
• Operation range: Up to 300 m outdoors, Up to 50 m indoors, depending on the condition.
• Analog telephone connection: Telephone Line
• Optional headset: KX-TCA60, KX-TCA93, KX-TCA400, KX-TCA430
• Optional Range extender: KX-TGA405
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Standby: Approx. 0.1 W,
Maximum: Approx. 2.0 W
0 ˚C - 40 ˚C (32 ˚F – 104 ˚F)
20 % – 80 % relative air humidity
(dry)
Approx. 73 mm × 76 mm × 43 mm
Approx. 50 g
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
4 Technical Descriptions
4.1.
US-DECT Description
The frequency range of 1.92 GHz-1.93 GHz is used. Transmitting and receiving carrier between base unit and handset is same
frequency. Refer to Frequency Table (P.60).
4.1.1.
TDD Frame Format
RX1
5 ms
5 ms
Up Link ( Handset -> Base Unit )
Down Link ( Base Unit -> Handset )
RX2
RX3
RX4
RX5
RX6
TX1
TX2
TX3
TX4
TX5
TX6
DATA rate : 1.152 Mbps
417 µs (available) 417 µs (blind)
4.1.2.
TDMA system
This system is the cycles of 10 ms, and has 6 duplex paths, but maximum duplex communication path is 5 because of dummy
bearer use.
In 1 slot 417 µs, the 10 ms of voice data is transmitted.
• 2 - Handsets Link
Traffic Bearer
Base unit
Handset 1
(Stand by)
Handset 2
(Link)
Handset 3
(Link)
Dummy bearer
RX1 RX2 RX3 RX4 RX5 RX6 TX1 TX2 TX3 TX4 TX5 TX6
TX
RX
TX
RX
Traffic Bearer
A link is established between base unit and handset.
The state where duplex communication is performed.
Handset doesn't make up duplex in no free RF channels because of interference. (*1)
Dummy Bearer
Base unit sends Dummy-data to the all stand-by state handsets.
Handsets receive that data for synchronization and monitoring request from the base unit.
Base unit doesn't send Dummy bearer in no free RF channels because of interference. (*1)
Note:
(*1) It is a feature under FCC 15 regulation and for interference avoidance.
In the case of checking RF parts, it is better in least interference condition.
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
4.1.3.
Signal Flowchart in the Radio Parts
Reception
Base unit:
A voice signal from TEL line is encoded to digital data and converted into a 1.9GHz modulated radio signal by BBIC(IC501).
The RF signal, after which is amplified in BBIC, is fed to selected antenna.
Handset:
As for a handset RF, RF signal is received in one antenna.
BBIC down-converts to 864 kHz IF signal from RX signal and demodulates it to digital data "RXDATA".
BBIC (IC1) converts RXDATA into a voice signal and outputs it to speaker.
Transmission
Base unit:
A voice signal from microphone is encoded to digital data and converted into a 1.9GHz modulated radio signal by BBIC(IC1).
The RF signal, after which is amplified in BBIC, is fed to an antenna.
Handset:
As for a base unit RF, RF signal is received in two antennas.
BBIC (IC501) compares RF signal levels and selects the antenna to be used. Then BBIC down-converts to 864 kHz IF signal
from RX signal in the selected antenna, and demodulates it to digital data "RXDATA".
BBIC (IC501) converts RXDATA into a voice signal and outputs it to TEL line.
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VBAT
RF_PART
RSTN
MIC
MIP
MIN
9
RESET
TXON
TXn
TXp
RXON
RXn
RXp
ANT2
ANT1
-
6
VDD
FLASH
MEMORY
IC601
STM/CKM
+
KEYS
KEY A~E
KEY 1
ANT1 ANT2
LCD
CS_CDSID
SCL_RST
CLK,DO
DL,CS
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SPOUTP
SPOUTN
BBIC
EEPROM
MEMORY
IC611
VCC
X501
13.824 MHz
IC501
SP
SCL, SDA
WP
LCD_BLT
MSG_LED
CHARGE_DET
PDN DET
DOUBOUT
VBAT
VCCPA
VBAT_APU
VCC_IF
VCC_FE
VCC_VCO
LOUT
LIN
HOOK
DCIN 2
DCIN 1
BELL
HSMIP
HSMIN
3.0V
RECEIVE
AMP
Q171
SIDE TONE
CIRCUIT
Q161
3.0 V
REGULATOR
IC302
INUSE
DETECT 1
R131, R133
CHARGE
DETECT
Q701, Q702
BELL
DETECT
Q111
D101
R371
R372
DCM
DCP
L1R
-
+
CHARGE_CONTACT
DC JACK
TEL JACK
L1T
KX-TG4732/4733/4734 BLOCK DIAGRAM (Base Unit_Main)
INUSE
DETECT 2
R151,R152
RLY
Q141
4.2.
SP_LED
ANS_LED
VCCA
Operational P.C. Board
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
Block Diagram (Base Unit_Main)
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
4.3.
Block Diagram (Base Unit_RF Part)
ANT2
TXp
ANT2
TXn
ANT1
DA801
TXON
RXON
RXp
RXn
ANT1
KX-TG4732/4733/4734 BLOCK DIAGRAM (Base Unit_RF Part)
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
4.4.
Circuit Operation (Base Unit)
General Description:
(BBIC, Flash Memory, EERROM) is a digital speech/signal processing system that implements all the functions of speech
compression, record and playback, and memory management required in a digital telephone answering machine.
The BBIC system is fully controlled by a host processor. The host processor provides activation and control of all that functions
as follows.
DECT RF system
TDMA/TDD
Mod/Demod
PA/LNA
ADPCM
ADPCM
Digital
Speech
Processor
RF part
Analog
Front
End
TEL
Line
Interface
&
Host CPU
Caller ID
Modem
BBIC (IC501)
Multiplexer
Digital TAM System
EEPROM IC611
4.4.1.
Keys/ LEDs/ Charge
Flash Memory IC601
BBIC (Base Band IC: IC501)
• Voice Message Recording/Play back
The BBIC system uses a proprietary speech compression technique to record and store voice message in Flash Memory.
An error correction algorithm is used to enable playback of these messages from the Flash Memory.
• DTMF Generator
When the DTMF data from the handset is received, the DTMF signal is output.
• Synthesized Voice (Pre-recorded message)
The BBIC implements synthesized Voice, utilizing the built in speech detector and a Flash Memory, which stored the vocabulary.
• Caller ID demodulation
The BBIC implements monitor and demodulate the FSK/DTMF signals that provide CID information from the Central Office.
• Digital Switching
The voice signal from telephone line is transmitted to the handset or the voice signal from the handset is transmitted to the
Telephone line, etc. They are determined by the signal path route operation of voice signal.
• Block Interface Circuit
RF part, LED, Key scan, Speaker, Telephone line.
4.4.2.
Flash Memory (IC601)
Following information data is stored.
• Voice signal
ex: Pre-recorded Greeting message, Incoming message
4.4.3.
EEPROM (IC611)
Following information data is stored.
• Settings
ex: message numbers, ID code, Flash Time, Tone/Pulse
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
4.4.4.
Power Supply Circuit/Reset Circuit
The power supply voltage from AC adaptor is converted to VBAT (3.0V) in IC302. And +3.0V for peripherals and analog part is
insulated from VBAT by Doubler of BBIC.
Circuit Operation:
+3.0V
VBAT
IC302
5.5V
AC Adaptor
3.0V
REGULATOR
IC501
VBAT
pin 10
pin 15
IC601
FLASH
RSTN(Reset)
BBIC
pin 54
DOUBLER OUT
For peripherals
STM/CKM
VDDC (1.2V)
pin 57
pin 9
IC611
EEPROM
RF Part
Receive
Amp.
ANS LED
MSG LED
SP LED
LCD BLT
VBAT
VDDC (1.2 V)
Reset (RSTN)
(IC501_54 pin)
Startmonitor
(IC501 57pin)
(CKM/STM)
BBIC chip initialize
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
4.4.4.1.
Charge Circuit
R371
The voltage from the AC adaptor is supplied to the charge circuits.
+5.5V
R372
F301
D362
DCM
+
D361
( )
C306
CHARGE+
CHARGE-
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DCP
13
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
4.4.5.
Telephone Line Interface
Telephone Line Interface Circuit:
Function
• Bell signal detection
• ON/OFF hook and pulse dial circuit
• Side tone circuit
Bell signal detection and OFF HOOK circuit:
In the idle mode, Q141 is open to cut the DC loop current and decrease the ring load. When ring voltage appears at the Tip (T)
and Ring (R) leads (When the telephone rings), the AC ring voltage is transferred as follows:
T → L101 → R111 → C111 → Q111 → BBIC pin 59
When the CPU (BBIC) detects a ring signal, Q141 turns on, thus providing an off-hook condition (active DC current flow through
the circuit). Following signal flow is the DC current flow.
T → L101 → D101 → Q141 → Q161 → R163 → R167 → D101 → L102 → P101 → R
ON HOOK Circuit:
Q141 is open, Q141 is connected as to cut the DC loop current and to cut the voice signal. The unit is consequently in an onhook condition.
Pulse Dial Circuit:
Pin 6 of BBIC turns Q141 ON/OFF to make the pulse dialing.
Side Tone Circuit:
Basically this circuit prevents the TX signal from feeding back to RX signal. As for this unit, TX signal feed back from Q161 is
canceled by the canceller circuit of BBIC.
3.0V
R141
R142
R162
R160
D143
C101
D101
Q142
3
2
4
1
L101
SA101
C168
C171
R171
C176
R177
C142
R164
R145
C173
C163
(
)
R161
+
C161
Q171
Pin 16 of IC501
Q161
C165
(
)
C164
)
C175
(
C178
R165
R172
R167 R163
RX R178
R175
C167
R176
Q141
L102
C102
C111 R111
C113
R114
Q111
D113
3.0V
BELL
Pin 59 of IC501
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C112 R112
C184
R113
R181
C181
(
)
TX
Pin 28 of IC501
L1T
L1R
TEL JACK
Hook
Pin 6 of IC501
P101
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
4.4.6.
Parallel Connection Detect Circuit/Auto Disconnect Circuit
Function:
In order to disable call waiting and stutter tone functions when using telephones connected in parallel, it is necessary to have a
circuit that judges whether a telephone connected in parallel is in use or not. This circuit determines whether the telephone
connected in parallel is on hook or off hook by detecting changes in the T/R voltage.
Circuit Operation:
Parallel connection detection when on hook:
When on hook, the voltage is monitored at pin 17 of IC501. There is no parallel connection if the voltage is
0.54 V or higher, while a parallel connection is deemed to exist if the voltage is lower.
Parallel connection detection when off hook:
When off hook, the voltage is monitored at pin 18 of IC501; the presence/absence of a parallel connection is determined by
detecting the voltage changes.
If the Auto disconnect function is ON and statuses are Hold, receiving ICM, OGM transmitting, BBIC disconnects the line after
detecting parallel connection is off hook.
Q141
Pin 18 of IC501
DCIN2
R145
DCIN1
4
1
L101
L102
15
L1T
L1R
TEL JACK
P101
RA151
Pin 6 of IC501
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2
C102
Pin 17 of IC501
HOOK
3
SA101
C132
Q142
R133
R152
C152
C101
D101
R167
R151
RA151
R131
R142
R163
R141
Q161
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
4.4.7.
Calling Line Identification (Caller ID)/Call Waiting Caller ID
Function:
Caller ID
The caller ID is a chargeable ID which the user of a telephone circuit obtains by entering a contract with the telephone company
to utilize a caller ID service. For this reason, the operation of this circuit assumes that a caller ID service contract has been
entered for the circuit being used. The data for the caller ID from the telephone exchange is sent during the interval between the
first and second rings of the bell signal. The data from the telephone exchange is a modem signal which is modulated in an FSK
(Frequency Shift Keying) * format. Data "1" is a 1200 Hz sine wave, and data "0" is a 2200 Hz sine wave. There are two types of
the message format which can be received: i.e. the single message format and plural message format. The plural message
format allows to transmit the name and data code information in addition to the time and telephone number data.
*: Also the telephone exchange service provides other formats.
Single message format
1st Ring
2 sec
2nd Ring
2 sec
Silent interval 4 sec
0.5 s 575 ms
min 0.5 s
DATA
STD Ring / 20 Hz
Tip-Ring
0.1 Vrms
70 Vrms
A
DATA in
1200 Hz
=DATA "1"
B
2200 Hz
=DATA "0 "
DATA out
1 bit=833 µs
month
04
day
15
hour
16
minute
35
number
2013487000
Plural message format
1st Ring
2 sec
0.5 s
718 ms
2nd Ring
DATA
DATA CODE NAME
201
John Smith
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month
04
day
16
16
hour
16
minute
35
number
2013487000
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
Call Waiting Caller ID
Calling Identity Delivery on Call Waiting (CIDCW) is a CLASS service that allows a customer, while off-hook on an existing call,
to receive information about a calling party on a waited call. The transmission of the calling information takes place almost
immediately after the customer is alerted to the new call so he/she can use this information to decide whether to take the new
call.
Function:
The telephone exchange transmits or receives CAS and ACK signals through each voice RX/TX route. Then FSK data and
MARK data pass the following route.
Telephone Line → P101 → L101, L102 → C121, C122 → R121, R122 → IC501 (25, 24).
If the unit deems that a telephone connected in parallel is in use, ACK is not returned even if CAS is received, and the
information for the second and subsequent callers is not displayed on the portable handset display.
Call Waiting Format
CAS: CPE Alerting Signal
Dual Tone of 2130 Hz, 2750 Hz
-15 dBm (900 ohm load)
Signal Flow
Telephone Exchange
Cordlessphone
Continuance Signal
of 1200 Hz (Data "1")
"FSK"
MARK
CAS
80 5 ms
0~500 ms 58~75 ms
DATA
about 300 ms
(be changed by
Information Volume)
ACK: Acknowledged Signal
DTMF
"D"
Signal Flow
Cordlessphone
Telephone Exchange
ACK
0~100 ms 60 5 ms
R121 C121 L101
BBIC
IC501
25
24
C120
R122 C122 L102
SA101
P101
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L1T Telephone
Line
L1R
"FSK"
data
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
4.5.
Block Diagram (Handset)
VBAT
IC3
EEPROM
ANT1
X1
13.824 MHz
WP, CLK, DATA
VBAT
CHG_DET
CHG_CTL
RF part
RXp
RXn
RXON
RSTN
TXp
TXn
RESET
Q3
CHARGE
TXON
VBAT
BATTERY
IC1
MIC
MIP
MIN
BBIC
Receiver
HSSPOUTP
Headset Jack
LOUT
3V
HSMIP
4.0V
CN431
HEADSET_DET
Q6
KEY_LED
Q5
BELL_LED
Monitor SP
CKM/STM
4V
LED
(LCD)
SPOUTP
SPOUTN
CKM//STM
LCD
CP_OFF
KEYSTOROBE_A~E
LED
(BELL)
CHARGE
PUMP
KEYIN_1~5
LED
(KEY)
IC4
KEYS
KX-TGA470 BLOCK DIAGRAM (Handset)
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VBAT
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
4.6.
Block Diagram (Handset_RF Part)
TXp
TXn
TXON
ANT
DA801
RXON
RXp
RXn
KX-TGA470 BLOCK DIAGRAM (Handset_RF Part)
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
4.7.
4.7.1.
Circuit Operation (Handset)
Outline
Handset consists of the following ICs as shown in Block Diagram (Handset) (P.18).
• DECT BBIC (Base Band IC): IC1
- All data signals (forming/analyzing ACK or CMD signal)
- All interfaces (ex: Key, Detector Circuit, Charge, EEPROM, LCD)
• EEPROM: IC3
- Setting data is stored. (e.g. ID, user setting)
4.7.2.
Power Supply Circuit/Reset Circuit
Circuit Operation:
When power on the Handset, the voltage is as follows;
BATTERY(2.2 V ~ 2.6 V: BATT+) → F1 → BBC1 (IC1) 10 pin
The Reset signal generates IC1 (54 pin) and 1.8 V.
VBAT
VDDC (1.2 V)
Reset (RSTN)
(IC1_54 pin)
Startmonitor
(IC1 57pin)
(CKM/STM)
BBIC chip initialize
VBAT
3.0V
3.0V
BATTERY
2CELL
EEPROM
GND
VDDC (1.2V)
DOUBLER OUT (Charge Pump)
For all peripherals
3.0V
BBIC
LCD
VBAT
4.0V
External Charge Pump
Circuit or IC
4.0V
3.0V
4.0 output
LCD BACKLIT LED
BELL, KEY LED
GND
GND
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
4.7.3.
Charge Circuit
Circuit Operation:
When charging the handset on the Base Unit, the charge current is as follows;
DC+(6.5 V) → F301 → R371 → R372 →CHARGE+(Base) → CHARGE+(Handset) → Q4 → D7→ F1 → BATTERY+... Battery...
BATTERY- → R45 → GND → CHARGE-(Handset)→ CHARGE-(Base) → GND → DC-(GND)
In this way, the BBIC on Handset detects the fact that the battery is charged.
The charge current is controlled by switching Q9 of Handset.
Refer to Fig.101 in Power Supply Circuit/Reset Circuit (P.12).
Q2
C27
R9
R2
R8
CHG +
Q3
R4
BATT +
Q4
47K
BATTERY
2CELL
R6
10K
CHG -
BATT +
Q9
GND
GND
GND
CHG CTRL (32)
BBIC
R7
CHG DET (34)
IC1
100K
4.7.4.
Battery Low/Power Down Detector
Circuit Operation:
“Battery Low” and “Power Down” are detected by BBIC which check the voltage from battery.
The detected voltage is as follows;
• Battery Low
Battery voltage: V(Batt) 2.35 V ± 50 mV
The BBIC detects this level and "
" starts flashing.
• Power Down
Battery voltage: V(Batt) 2.0 V ± 50 mV
The BBIC detects this level and power down.
4.7.5.
Speakerphone
The hands-free loudspeaker at SP+ and SP- is used to generate the ring alarm.
4.8.
Circuit Operation (Charger Unit)
Charge control is executed at handset side so that the operation when using charger is also controlled by handset.
Refer to Circuit Operation (Handset) (P.20)
F1
R1
R2
D1
TP1
J1
TP2
AC Adaptor
The route for this is as follows: DC+pin of J1(+) → F1 → R1 → CHARGE+pad → Handset → CHARGE-pad → DC-pin of J1(-).
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
4.9.
Signal Route
㸢㩷
ROUTE
㸢㩷
SIGNAL ROUTE
IN
OUT
HANDSET TX
HANDSET MIC - R73/74 - C11/13 - RA4 - IC1(22/23)
- <HANDSET_RF_TX_ROUTE> - ANT. -----ANT. - <BASE_UNIT_RF_RX_ROUTE> - IC501(46/47 - 28) - C184 - Q161 - Q141 - D101
- L101/[L102 - P101] - T/R(TEL LINE)
HANDSET RX
T/R(TEL LINE) - L101/[P101 - L102] - D101 - Q141 - R165 - R177 - C173 - Q171 - C178 - R178
- IC501(16 - 44/45) - <BASE_UNIT_RF_TX_ROUTE> - ANT. ----- ANT. - <HANDSET_RF_RX_ROUTE> - IC1(28/27) - C16 - L8 HEADSET_JACK(5 - 4) - HANDSET SPEAKER
HEADSET TX
HEADSET_JACK(2) - R80 - C14 - R22 - IC1(25) - <HANDSET_RF_TX_ROUTE> - ANT. -----ANT. - <BASE_UNIT_RF_RX_ROUTE> - IC501(46/47 - 28) - C184 - Q161- Q141
- D101 - L101/[L102 - P101] - T/R(TEL LINE)
HEADSET RX
T/R(TEL LINE) - L101/[P101 - L102] - D101 - Q141 - R165 - R177 - C173 - Q171 - C178 - R178
- IC501(16 - 44/45) - <BASE_UNIT_RF_TX_ROUTE> - ANT. ----- ANT. - <HANDSET_RF_RX_ROUTE> - IC1(28) - C16 - L8 - HEADSET_JACK(5)
HANDSET
SP-Phone TX
HANDSET MIC - R73/74 - C11/13 - RA4 - IC1(22/23)
- <HANDSET_RF_TX_ROUTE> - ANT. -----ANT. - <BASE_UNIT_RF_RX_ROUTE> - IC501(46/47 - 28) - C184 - Q161 - Q141
- D101 - L101/[L102 - P101] -T/R(TEL LINE)
HANDSET
SP-Phone RX
T/R(TEL LINE) - L101/[P101 - L102] - D101 - Q141 - R165 - R177 - C173 - Q171 - C178 -R178
- IC501(16-44/45) - <BASE_UNIT_RF_TX_ROUTE> - ANT. ----- ANT. -<HANDSET_RF_RX_ROUTE> - IC1(29/31) - Backside SP
BASE
SP-Phone TX
MIC - C457/C458 - RA452 - IC501 (23/22 - 28) - C184 - Q161 - Q141
- D101 - L101/[L102 - P101] - T/R(TEL LINE)
BASE
SP-Phone RX
T/R(TEL LINE) - L101/[P101 - L102] - D101 - Q141 - R165 - R177 - C173 - Q171 - C178 - R178
- IC501 (16 - 29/31) - L474/L476 - SPEAKER
INTERCOM
HANDSET TO
BASE UNIT
HANDSET MIC - R73/74 - C11/13 - RA4 - IC1(22/23)
- <HANDSET_RF_TX_ROUTE> - ANT. ---
INTERCOM
BASE UNIT
TO HANDSET
--- ANT. - <BASE_UNIT_RF_RX_ROUTE> - IC501(46/47 - 29/31) - L474/L476 - SPEAKER
MIC - C457/C458 - RA452 - IC501(23/22 - 44/45) - <BASE_UNIT_RF_TX_ROUTE> - ANT. ----- ANT. - <HANDSET_RF_RX_ROUTE> - IC1(28/27) - C16 - L8
- HEADSET_JACK(5 - 4) - R11 - HANDSET SPEAKER
GREETING
RECORDING
HANDSET MIC - R73/74 - C11/13 - RA4 - IC1(22/23)
- <HANDSET_RF_TX_ROUTE> - ANT. -----ANT. - <BASE_UNIT_RF_RX_ROUTE> - IC501(46/47- 73/74) - IC601
GREETING PLAY
TO TEL LINE
IC601 - IC501(73/74 - 28) - C184 - Q161 - Q141 - D101 - L101/[L102 - P101]
- T/R(TEL LINE)
ICM RECORDING
T/R(TEL LINE) - L101/[P101 - L102] - D101 - Q141 - R165 - R177 - C173 - Q171 - C178 - R178
- IC501(16 - 73/74) - IC601
ICM PLAY TO
SPEAKER
IC601 - IC501(73/74 - 29/31) - L474/L476 - SPEAKER
DTMF SIGNAL
TO TEL LINE
IC501(28) - C184 - Q161 - Q141 - D101 - L101/[L102 - P101] - T/R(TEL LINE)
CALLER ID
T/R(TEL LINE) - L101/[P101 - L102] - C121/C122 - R121/R122 - IC501(24/25)
BELL DETECTION
T/R(TEL LINE) - L101/[P101 - L102] - R111/R112 - C111/C112 - Q111 - IC501(59)
Note:
: inside of Handset
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22
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
RF part signal route
㸢㩷
㸢㩷
SIGNAL ROUTE
IN
HANDSET RF
[ TX_ROUTE ]
IC1(44/45) - L809 - C812 - DA801 - C803 - C801 - ANT
HANDSET RF
[ RX_ROUTE ]
ANT - C801 - C803 - DA801 - C826 - IC1(46/47)
BASE UNIT RF
[ TX_ROUTE ]
IC501(44/45) - C812 - L809 - DA801 - C895 - DA802 - C894/C893 - ANT1/ANT2
BASE UNIT RF
[ RX_ROUTE ]
ANT1/ANT2 - C894/C893 - DA802 - C895 - DA801 - C826 - IC501(46/47)
ROUTE
Note:
: inside of Handset
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23
OUT
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
5 Location of Controls and Components
Refer to the Operating Instructions.
Note:
You can download and refer to the Operating Instructions (Instruction book) on TSN Server.
6 Installation Instructions
Refer to the Operating Instructions.
Note:
You can download and refer to the Operating Instructions (Instruction book) on TSN Server.
7 Operating Instructions
Refer to the Operating Instructions.
Note:
You can download and refer to the Operating Instructions (Instruction book) on TSN Server.
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
8 Test Mode
8.1.
Engineering Mode
8.1.1.
Base Unit
Important:
Make sure the address on LCD is correct when entering new data. Otherwise, you may ruin the unit.
Soft keys
{FLASH}
{CALL WAIT}
Navigator key/
? (Volume) key
{OFF}
Dial keypad
H/S LCD
H/S key operation
^
V
Caller List
1). Press
.
INT SELECT PLAY
^
V
2). Select "Initial Setting" using {^}or {V}
then press SELECT or {>}.
Initial setting
INT SELECT PLAY
Select "Set tel line" using {^}or{V}
then press SELECT or {>}.
^
V
Set tel line
BACK SELECT
3). Enter "7", "2", "6", "2", "7", "6", "6", "4".
Note: 7262 7664 = PANA SONI
^
V
*
Set dial mode
(see letters printed on dial keys)
BACK SELECT
4). Select "Write EEP" using {^} or{V}
then press SELECT or {>}.
Service Mode
Read EEP
Write EEP
5). Enter "٨", "٨", "٨", "٨" (Address). (*1)
BACK SELECT
Set Addr.:
Default Data
6). Enter "㧖", "㧖" (New Data). (*1)
CLEAR
7). Press M , a long confirmation beep
will be heard.
Set Addr.:
New Data
CLEAR
8). Press {OFF} to return to standby mode.
After that, turn the base unit power off and then power on.
Note: * To enter "Set dial mode", press SELECT or {>} at " Set tel line".
It is necessary to turn on the power of base unit.
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M
M
Set Addr.:
____
BACK
__
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
Frequently Used Items (Base Unit)
ex.)
Items
Frequency
ID
Address
00 07 / 00 08
00 02 ~ 00 06
Default Data
00/01
Given value
New Data
-
-
Remarks
Use these items in a READ-ONLY mode to
confirm the contents. Careless rewriting may
cause serious damage to the computer system.
Note:
(*1) When you enter the address or New Data, please refer to the table below.
Desired Number (hex)
0
1
.
.
.
9
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Input Keys
0
1
.
.
.
9
Desired Number (hex)
A
B
C
D
E
F
26
Input Keys
[Flash] + 0
[Flash] + 1
[Flash] + 2
[Flash] + 3
[Flash] + 4
[Flash] + 5
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
8.1.2.
Handset
Important:
Make sure the address on LCD is correct when entering new data. Otherwise, you may ruin the unit.
Soft keys
{FLASH}
{CALL WAIT}
Navigator key/
? (Volume) key
{OFF}
Dial keypad
H/S key operation
1). Press
H/S LCD
^
V
.
Caller List
INT SELECT PLAY
2). Select "Initial Setting" using {^} or {V}
then press SELECT or {>}.
^
V
Initial setting
INT SELECT PLAY
3). Enter "7", "2", "6", "2", "7", "6", "6", "4".
Note: 7262 7664 = PANA SONI
(see letters printed on dial keys)
^
V
Ringer setting
BACK SELECT
4). Select "Write EEP" using {^} or{V}
then press SELECT or {>}.
Service Mode
Read EEP
Write EEP
BACK SELECT
5). Enter "٨", "٨", "٨", "٨" (Address). (*1)
Set Addr.:
Default Data
CLEAR M
6). Enter "㧖", "㧖" (New Data). (*1)
Set Addr.:
New Data
7). Press M , a long confirmation beep
will be heard.
CLEAR M
Set Addr.:
____
__
BACK
8). Press {OFF} to return to standby mode.
After that, remove and reinsert the batteries. Press the Power button for
about 1 second if the power is not turned on.
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
Frequently Used Items (Handset)
ex.)
Items
Address
Default Data
New Data
Battery Low
Frequency
ID
00 12/00 13
00 07 / 00 08
00 02 ~ 00 06
00 / 00
00 / 01
Given value
-
Possible Adjusted
Value MAX (hex)
-
Possible Adjusted
Value MIN (hex)
-
Remarks
(*2)
Note:
(*1) When you enter the address or New Data, please refer to the table below.
Desired Number (hex.)
0
1
.
.
.
9
Input Keys
0
1
.
.
.
9
Desired Number (hex.)
A
B
C
D
E
F
Input Keys
[Flash] + 0
[Flash] + 1
[Flash] + 2
[Flash] + 3
[Flash] + 4
[Flash] + 5
(*2) Use these items in a READ-ONLY mode to confirm the contents. Careless rewriting may cause serious damage to the
handset.
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
9 Service Mode
9.1.
How to Clear User Setting (Handset Only)
Handset
Press
, , ,
simultaneously until a beep sound is heard. Then single handset is initialized.
(The contents of user setting are reset to factory default)
*Usage time is not cleared.
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
10 Troubleshooting Guide
10.1. Troubleshooting Flowchart
FLOW CHART
Not working
Power ON Base Unit
Check Power
OK
Playback Pre-Message
Not playback
Check Playback
OK
Not record (*1)
Record
Check Record
OK
Link
No link
Battery Charge
OK
No charge
Check Battery Charge
OK
Check Link
NG
Range
Check the RF part
OK
Handset Voice Transmission
No voice
Check Handset Transmission
OK
Handset Voice Reception
No voice
Check Handset Reception
OK
Caller ID function
Caller ID Error
Cross Reference:
Check Power (P.31)
Check Playback (P.35)
Check Record (P.32)
Check Battery Charge (P.35)
Check Link (P.36)
Check the RF part (P.38)
Check Handset Transmission (P.43)
Check Handset Reception (P.43)
Check Caller ID (P.43)
Note:
(*1) When a user claims that the unit disconnects a call right
after the greeting message and no incoming messages can
be recorded, this symptom can not be reappeared with TEL
simulator in the service center. In this case, try to change
the Auto disconnect activation time and Vox level.
<How to change the Auto Disconnect activation time
and VOX level> (P.33) item (A) and (B).
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Check Caller ID
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
10.1.1. Check Power
10.1.1.1. Base Unit
Is the AC Adaptor inserted into AC outlet? (*1)
Is output voltage of AC adaptor 5.5 V?
NO
Check AC Adaptor.
YES
Check VDDC (1.2 V): Test Point [VDDC]
NO
Check Power Supply Circuit.
OK
RSTN: Reset = "High"?
NO
Check Reset Circuit.
YES
Check Xtal CLK = 13.824 MHz?
NO
Check X501.
YES
Check BBIC.
Cross Reference:
Power Supply Circuit/Reset Circuit (P.12)
Note:
BBIC is IC501.
(*1) Refer to Specifications (P.6) for part number and
supply voltage of AC adaptor.
(*2) Refer to Circuit Board (Base Unit_Main) (P.77).
10.1.1.2. Handset
Is the battery inserted to BATT+ and BATT-?
YES
NO
Check the battery and around BATT+ and
BATT- are not shorted.
Is the voltage of TP-VBAT 2.3 V more?
YES
NO
Is the voltage of TP 3.0 V about 3.0 V?
Check Power Supply Circuit/Reset Circuit.
YES
NO
Is the voltage of TP VDDC about 1.2 V?
YES
NO
Does BBIC (IC1: 86) oscillate at 13.824 MHz?
Check X1, C8, C9.
YES
Check BBIC (IC1).
Cross Reference:
Power Supply Circuit/Reset Circuit (P.20)
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
10.1.2. Check Record
10.1.2.1. Base Unit
Not record Incoming Message
NO
Check Bell signal.
OK
Does the unit catch line?
NO
YES
Check Line In: Pin 16 of BBIC.
NO
Check Telephone Line Interface
[Bell].
Check Telephone Line Interface
[OFF HOOK].
Check ICM Recording in Signal Route.
OK
Check Auto Disconnect Circuit.
OK
Check Parallel Connection Detection
Circuit.
OK
Check BBIC and Flash Memory.
Note:
Flash Memory is IC601.
BBIC is IC501.
Cross Reference:
Signal Route (P.22)
Telephone Line Interface (P.14)
Parallel Connection Detect Circuit/Auto Disconnect
Circuit (P.15)
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
<How to change the Auto Disconnect activation time and VOX level>
A) Auto Disconnect activation time:
Some Telephone Company lines (fiber or cable) ON Hook and OFF Hook voltages are lower than conventional lines, which may
cause a malfunction of Auto Disconnect detection. To solve this problem, try changing the Auto Disconnect activation through
the procedures below.
1) Press "MENU " key at standby Mode and "#" key.
Note: The set must power on and be linked.
2) Press "9", "0", "0", "0"," " .
LCD (H/S)
Service ready
:
BACK
3) Press "7","3","1".
Service ready
:7 3 1
CLEAR
4) Then enter the below last digit;
last digit
Auto disconnect & CPC
"0"
(*1)
: enable ࡮࡮࡮㨇default㨉
(*1)
Auto disconnect : enable
"1"
"2"
CPC : disable
Auto disconnect & CPC
(*2)
: disable
Note:
(*1) Both Auto Disconnect and CPC don't detect for the first 2 seconds.
(*2) If the "Disable" is selected, even if the parallel-connected telephone is OFF HOOK,
the line isn't disconnected.
5) Back to "standby" mode automatically after step 4).
You can hear beep sound which is a confirmation tone.
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33
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
B) Vox level:
It makes easier to detect a small voice (caller) by raising the sensitivity of VOX level. Therefore, the recording of TAM is not
turned off during a detection.
1) ~ 2) are same as (A).
3) Press "5","1","1".
Service ready
:5 1 1
CLEAR
4) Then enter the below last digit;
last digit
default setting
"0"
"1"
: normal
6dB up
5) Back to "standby" mode automatically after step 4).
You can hear beep sound which is a confirmation tone.
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
10.1.3. Check Playback
10.1.3.1. Base Unit
Check VDDC (1.2 V): Test Point [VDDC]
NO
Check Power Supply Circuit.
OK
Check output of BBIC (Pin 29, 31).
NO
Check BBIC and Flash Memory.
OK
Check Speaker and its surroundings.
Cross Reference:
Power Supply Circuit/Reset Circuit (P.12)
Note:
Flash Memory is IC601.
BBIC is IC1.
(*1) Refer to Circuit Board (Base Unit_Main) (P.77).
10.1.4. Check Battery Charge
10.1.4.1. Base Unit
Plug in the AC Power source.
Charge Handset on Base Unit.
Is the voltage of two charge contacts about
3 V or more?
NO
Check Charge Circuit of Base Unit.
OK
YES
Check Handset.
Check Charge Contacts at
Base Unit from mechanical point of view.
Cross Reference:
Charge Circuit (P.13)
10.1.4.2. Handset
NO
Is Check Power OK?
YES
Check Power of Handset.
NO
Check Charge Circuit.
Is BBIC (IC1: 34) high at charge state?
Cross Reference:
Check Power (P.31)
Charge Circuit (P.21)
10.1.4.3. Charger Unit
Plug in the AC Power source.
Charge Handset on Charger Unit.
Is the voltage of two charge contacts about
3 V or more?
NO
Check Charge Circuit of Charger Unit.
OK
YES
Check Handset.
Check Charge Contacts at Charger Unit
from mechanical point of view.
Cross Reference:
Charge Circuit (P.21)
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
10.1.5. Check Link
10.1.5.1. Base Unit
Does Base Unit make link with normal working
Handset?
YES
Base Unit is OK. Check Handset.
NO
Is the voltage of VBAT about 3.0 V?
NO
Check around Power Supply Circuit.
YES
Is the voltage of VDDC about 1.2 V?
NO
YES
Is the voltage of +3.0V about 3.0 V?
NO
YES
Does the RF clock (CLK) oscillate at 13.824 MHz in
Base Unit Test Mode?
Adjust +3.0V voltage to 3.0 V. *1
OK
NO
Check around X501 and RF module and adjust
clock frequency.*2
YES
Check the RF part
Cross Reference:
Power Supply Circuit/Reset Circuit (P.12)
Check the RF part (P.38)
Note:
*1 How to adjust +3.0V:
Execute the command "VDA"
Refer to Things to Do after Replacing IC or X'tal (P.58) for Base Unit.
*2 How to adjust the frequency of X501:
To see the frequency, execute the command “SFR“, then check the TP_CKM (IC501-57pin).
To adjust frequency, send command “SFR
“until the frequency counter becomes13.824 MHZ±55HZ.
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
10.1.5.2. Handset
Does Handset make link with Base Unit?
(Correct working unit)
YES
Handset is OK. Check Base Unit.
NO
Is the voltage of TP VBAT about 2.2~2.8 V?
NO
Check the batteries.
YES
NO
Check around Power Supply Circuit/Reset Circuit.
Is the voltage of TP VDDC about 1.2 V?
YES
OR
Adjust +3.0V Vottage to 3.0V *1
Is the voltage of TP 3.0 V about 3.0 V?
YES
Does the RF clock (CLK) oscillate: 13.824 MHz
in Handset Test Mode?
NO
Check around X1 and RF module and adjust
clock frequency. *2
YES
Check the RF part
Cross Reference:
Power Supply Circuit/Reset Circuit (P.20)
Check the RF part (P.38)
Note:
*1 How to adjust +3.0V:
Execute the command "VDA"
Refer to Things to Do after Replacing IC or X'tal (P.59) for Handset.
*2 How to adjust the frequency of X1:
To see the frequency, execute the command “SFR“, then check the TP_CKM (IC1-57pin).
To adjust frequency, send command “SFR
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“until the frequency counter becomes13.824 MHz±55HZ.
37
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
10.1.6. Check the RF part
10.1.6.1. Finding out the Defective part
1. Prepare Regular HS(*1) and Regular BU(*2).
2. a. Re-register regular HS (Normal mode) to base unit (to be checked).
If this operation fails in some ways, the base unit is defective.
b. Re-register handset (to be checked) to regular BU (Normal mode).
If this operation fails in some ways, the handset is defective.
After All the Checkings or Repairing
1. Re-register the checked handset to the checked base unit, and Regular HS to Regular BU.
START
No
Base unit is defective
Registration of
handset to
Regular BU
Registration of
Regular HS to
base unit
Yes
Yes
(other checkings)
Registration of Regular HS to Regular BU
Registration of handset to base unit
(checked ones)
Note:
(*1) HS: Handset
(*2) BU: Base Unit
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38
No
Handset is defective
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
10.1.6.2. RF Check Flowchart
Each item (1 ~ 5) of RF Check Flowchart corresponds to Check Table for RF part (P.40).
Please refer to the each item.
Start
1
2
Link
confirmation
Normal
NG
Control
signal
confirmation
NG
Check BBIC interface parts.
(RF Block <->BBIC on BU/HS P.C.B)
OK
OK
3
X'tal
Frequency
confirmation
NG
Adjust X'tal Frequency. (*1)
OK
4
NG
TX confirmation
Check TX Block.
OK
5
Range
confirmation
Normal
NG
TEST RANGE Check.
OK
GOOD
Note:
(*1) Refer to Check Link (P.36).
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
10.1.6.3. Check Table for RF part
No.
Item
1 Link Confirmation Normal
HS, BU Mode [Normal Mode]
2
X'tal Frequency confirmation
3
HS, BU Mode: [Adjustment]
TX confirmation
4
HS Mode:
[HS_Burst Mode ] (*1)
BS Mode:
[BS_Burst Mode ] (*2)
Range Confirmation Normal
BU (Base Unit) Check
1. Register Regular HS to BU (to be
checked).
2. Press [Talk] key of the Regular HS to
establish link.
Check X'tal Frequency.
(13.824000 MHz ±100 Hz)
HS, BU Mode: [Normal Mode]
Check X'tal Frequency.
(13.824000 MHz ±100 Hz)
1. Remove wire antenna 2 and connect
spectrum analyzer to TP. (*3)
2. Confirm TX power whether spec. is
satisfied.
Power >=14.5dBm
1. Connect spectrum analyzer to TP.(*4)
2. Confirm TX power whether satisfied spec.
Power >=16.0dBm
1. Register Regular HS to BU (to be
checked).
2. Press [Talk] key of the Regular HS to
establish link.
3. Compare the range of the BU (being
checked) with that of the Regular BU.
1. Register HS (to be checked) to Regular
BU.
2. Press [Talk] key of the HS to establish link.
3. Compare the range of the HS (being
checked) with that of the Regular HS.
Note:
(*1) Refer to Commands (Handset) (P.54)
(*2) Refer to Commands (Base Unit) (P.54)
(*3) Adjustment Standard (Base Unit) (P.55)
(*4) Adjustment Standard (Handset) (P.57)
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HS (Handset) Check
1. Register HS (to be checked) to Regular
BU.
2. Press [Talk] key of the HS to establish link.
40
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
10.1.6.4. TEST RANGE Check
Circuit block which range is defective can be found by the following check.
Item
Range Confirmation TX TEST
(TX Power check)
HS, BU setting
Checked unit: Low TX power (*1)
Regular unit: High TX power (*1)
Range Confirmation RX TEST
(RX sensitivity check)
HS, BU setting
Checked unit: High TX power (*1)
Regular unit: Low TX power (*1)
BU (Base Unit) Check
1. Register Regular HS to BU (to be checked).
HS (Handset) Check
1. Register HS (to be checked) to Regular BU.
2. Set TX Power of the BU and the Regular HS
according to CHART1.
2. Set TX Power of the HS and the Regular BU
according to CHART1.
3. At distance of about 20m between HS and BU,
Link OK = TX Power of the BU is OK.
No Link = TX Power of the BU is NG.
1. Register Regular HS to BU (to be checked).
3. At distance of about 20m between HS and BU,
Link OK = TX Power of the HS is OK.
No Link = TX Power of the HS is NG.
1. Register HS (to be checked) to Regular BU.
2. Set TX Power of the BU and the Regular HS
according to CHART1.
2. Set TX Power of the Checking HS and the Regular BU according to CHART1.
3. At distance of about 20m between HS and BU,
Link OK= RX Sensitivity of the BU is OK.
No Link = RX Sensitivity of the BU is NG.
3. At distance of about 20m between HS and BU,
Link OK= RX Sensitivity of the HS is OK.
No Link = RX Sensitivity of the HS is NG
CHART1: Setting of TX Power and RX Sensitivity in Range Confirmation TX TEST, RX TEST
BU (Base Unit) TX Power Check
BU (Base Unit) RX Sensitivity Check
BU (to be checked)
TX Power
Low
High
Regular_HS
TX Power
High
Low
HS (Handset) TX Power Check
HS (Handset) RX Sensitivity Check
HS (to be checked)
TX Power
Low
High
Regular_BU
TX Power
High
Low
Note:
(*1) Refer to Commands (Base Unit) (P.54).
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
10.1.7. Registering a Handset to the Base Unit
The supplied handset and base unit are pre-registered. If for some reason the
handset is not registered to the base unit, re-register the handset.
1
Handset:
{MENU} i # 1 3 0
2 Base unit:
Press and hold {LOCATOR} for about 5 seconds until the registration tone
sounds.
L If all registered handsets start ringing, press {LOCATOR} again to stop, then
repeat this step.
L The next step must be completed within 90 seconds.
3 Handset:
Press {OK}, then wait until a long beep sounds.
Note:
L While registering, “Base in registering” is displayed on all registered
handsets.
L When you purchase an additional handset, refer to the additional handset’s
installation manual for registration.
10.1.8. Deregistering a Handset
A handset can cancel its own registration to the base unit, or other handsets
registered to the same base unit. This allows the handset to end its wireless
connection with the system.
1 {MENU} i # 1 3 1
L All handsets registered to the base unit are displayed.
2 { } : Select the handset you want to cancel. i {SELECT}
3 { }: “Yes” i {SELECT}
4 {OFF}
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
10.1.9. Check Handset Transmission
Check MIC of handset.
Check handset Tx in Signal Route.
Cross Reference:
Signal Route (P.22)
10.1.10. Check Handset Reception
Check speaker of handset.
Check handset Rx in Signal Route.
Cross Reference:
Signal Route (P.22)
Note:
When checking the RF part, Refer to Check the RF part
(P.38).
10.1.11. Check Caller ID
BASE UNIT
NO
Did bell ring?
(Message indicator
blinks)
Check bell signal detection in
Telephone Line Interface.
YES
Check Calling Line Identification (Caller ID)/
Call Waiting Caller ID.
Cross Reference:
Telephone Line Interface (P.14)
Calling Line Identification (Caller ID)/Call Waiting Caller
ID (P.16)
Note:
• Make sure the format of the Caller ID service of the
Telephone company that the customer subscribes to.
• It is also recommended to confirm that the customer is really
a subscriber of the service.
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
11 Disassembly and Assembly Instructions
11.1. Disassembly Instructions
11.1.1.
Base Unit
Ԙ 4 screws
Ԙ
Remove the 4 screws to remove
the cabinet cover.
ԙ
Remove the solders.
Cabinet cover
ԙ Solders
Ԛ
Remove the screw and pararell wire
to remove the main P.C. board.
Ԛ
Pararell wire
Main P.C. board
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
ԛ 2 screws
ԛ
Remove the 2 screws to remove
the Jack holder.
Jack holder
Ԝ
Remove the 2 screws to remove
the operational P.C.B board.
Ԝ 2 screws
Operational P.C.B board
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45
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
11.1.2.
Handset
Ԙ
Remove the 2 screws.
ԙ
Insert a plastic card.
(Ex. Used SIM card etc.)
between the cabinet body
and the cabinet cover, then
pull it along the gap to open
the cabinet.
Ԙ 2 screws
Cabinet body
Cabinet cover
Ԛ
Likewise, open the other
side of the cabinet.
ԛ
Remove the cabinet cover
by pushing it upward.
Cabinet cover
Ԟ Screw
Ԝ
Remove the solders and tape.
Ԝ
ԝ
Solders
Ԝ Tape
Remove the 2 screws to remove
the 2 charge terminals.
Main P.C. board
Ԟ
Remove the screw to remove
the main P. C. board.
ԝ 2 charge terminals
ԝ 2 screws
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
11.1.3.
Charger Unit
Ԙ Screw
Ԙ Remove the screw to remove
the cabinet cover.
ԙ Solders
ԙ Remove the solders to remove
the 2 charge terminals.
2 charge terminals
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47
Main P.C. board
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
11.2. How to Replace the Base Unit LCD
Ԙ
Fit the heatseal of a new LCD.
Vertical Interval
Tolerance
0.2mm
New LCD
Horizontal Interval
Tolerance
0.2mm
If interval tolerance between center lines
is less than 0.2 mm, it is o.k.
OK
Operational P.C.B.
NG
ԙ
(Inclined)
Heatweld with the tip of the soldering
iron about 5 to 8 seconds
(in case of 60W soldering iron).
Tip of Soldering Iron
(Part No. PQZZ430PIR)
NG
(Vertical interval tolerance is
more than 0.2 mm.)
Rubber of Soldering Iron
(Part No. PQZZ430PRB)
NG
(Horizontal interval tolerance is
more than 0.2 mm.)
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
Ԛ Attach the LCD and fix by hook A (two points).
A
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49
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
11.3. How to Replace the Handset LCD
Note:
The illustrations are simplified in this page.
They may differ from the actual product.
P. C. board
Vertical Interval
Tolerance
Peel off the FFC (Flexible Flat Cable) from
the LCD, in the direction of the arrow. Take
care to ensure that the foil on the P.C. board
is not damaged.
0.2 mm
Horizontal Interval
Tolerance
0.2 mm
If interval tolerance between center lines
is less than 0.2 mm, it is o.k.
New LCD
OK
Fit the heatseal of a new LCD.
NG
(Inclined)
Tip of Soldering Iron
(Part No. PQZZ430PIR)
Rubber of Soldering Iron
(Part No. PQZZ430PRB)
Heatweld with the tip of the soldering
iron about 5 to 8 seconds
(in case of 60W soldering iron).
NG
(Vertical interval tolerance is
more than 0.2 mm.)
NG
(Horizontal interval tolerance is
more than 0.2 mm.)
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
12 Measurements and Adjustments
This chapter explains the measuring equipment, the JIG connection, and the PC setting method necessary for the measurement in
Troubleshooting Guide (P.30)
12.1. Equipment Required
• Digital multi-meter (DMM): it must be able to measure voltage and current.
• Oscilloscope.
• Frequency counter: It must be precise enough to measure intervals of 1 Hz (precision; ±4 ppm)
Hewlett Packard, 53131A is recommended.
• DECT tester: Rohde & Schwarz, CMD 60 is recommended.
This equipment may be useful in order to precisely adjust like a mass production.
12.2. The Setting Method of JIG
Note:
*: If you have the JIG Cable for TCD500 series
(PQZZ1CD505E), change the following values of
resistance. Then you can use it as a JIG Cable for both
TCD300 and TCD500 series. (It is an upper compatible JIG
Cable.)
<Preparation>
• Serial JIG cable: PQZZ1CD300E*
• PC which runs in DOS mode
• Batch file CD-ROM for setting: PNZZTG4741M
Resistor
R2
R3
R4
R7
Old value (kΩ)
22
22
22
4.7
New value (kΩ)
3.3
3.3
4.7
10
12.2.1. Connections (Base Unit)
Connect the AC adaptor.
Connect the JIG Cable GND (black).
Connect the JIG Cable RX (red) and TX (yellow).
JIG Cable
3 UTX (yellow)
3 URX (red)
1 DC JACK
To Serial Port
(COM port 1*)
2 GND (black)
UTX URX
GND
PC
AC adaptor
Base unit P. C. board
Note:
*: COM port names may vary depending on what your PC calls it.
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
12.2.2. Connections (Handset)
Connect the DC Power or Battery to BATT+ and BATT-.
Connect the JIG cable GND (black) to GND.
Connect the JIG cable UTX (yellow) to UTX and URX (red) to URX.
3 URX (red)
URX
UTX
GND
1
DC Power
or Battery
BATT+
3 UTX (yellow)
To Serial Port
(com port 1*)
2 GND (black)
BATT-
JIG Cable
PC
Handset P. C. board
Note:
*: COM port names may vary depending on what your PC calls it.
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
12.2.3. How to install Batch file into P.C.
1. Insert the Batch file CD-ROM into CD-ROM drive and
copy PNZZTG**** folder to your PC (example: D drive).
<Example for Windows>
On your computer, click [Start], select Programs
(All Programs for Windows XP/Windows Server 2003),
then click
MS-DOS Prompt. (for Windows 95/Windows 98)
Or
Accessories-MS-DOS Prompt. (for Windows Me)
Or
Command Prompt. (for Windows NT 4.0)
Or
Accessories-Command Prompt.
(for Windows 2000/Windows XP/Windows Server 2003)
2. Open an MS-DOS mode window.
3. At the DOS prompt, type "D:" (for example) to select the
drive, then press the Enter key.
<Example>
4. Type "CD 㪳PNZZTG****", then press the Enter key.
5. Type "SET_COM=X", then press the Enter key
(X: COM port number used for the serial connection on your PC).
6. Type "READID", then press the Enter key.
䊶If any error messages appear, change the port number or
䇭check the cable connection.
䊶If any value appear, go to next step.
7. Type "DOSKEY", then press the Enter key.
C: >Documents and Settings>D:
D: >>CD >PNZZTG****
D: >PNZZTG**** >SET_COM=X
D: >PNZZTG****>READID
00 52 4F A8 A8
D: >PNZZTG****>DOSKEY
D: >PNZZTG****>
<Example: error happens>
C: >Documents and Settings>D:
D: >>CD >PNZZTG****
D: >PNZZTG**** >SET_COM=X
D: >PNZZTG****>READID
‫ޓ‬CreateFile error
ERROR 10: Can't open serial port
D: >PNZZTG ****>
Note:
• “*****” varies depending on the country or models.
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
12.2.4. Commands (Base Unit)
See the table below for frequently used commands.
rdeeprom
Command name
Function
Read the data of EEPROM
readid
writeid
Read ID (RFPI)
Write ID (RFPI)
hookoff
hookon
getchk
How to use of
"getchk"
1.rdeeprom
Off-hook mode on Base
On-hook mode on Base
Read checksum
Read EEPROM
2.sendchar epw
3.sendchar RST
4.getchk
5.sendchar epw
Write EEPROM
Reset baseset
Read checksum
Write EEPROM
wreeprom
Write the data of EEPROM
bs_burst
Base unit outputs RF power in burst
test mode on antenna 2
Keep TX power high
Keep TX power low
tx_high
tx_low
Example
Type “rdeeprom 00 00 FF”, and the data from address
“00 00” to “FF” is read out.
Type “readid”, and the registered ID is read out.
Type “writeid 00 18 E0 0E 98”, and the ID “0018 E0 0E
98” is written.
Type “hookoff”.
Type “hookon”.
Type “getchk”.
Type “RdEeprom 03 F2 04”, and the data from address
“03 F2” to “03 F5” is read out
*This command gets 4 byte "WW", "XX", "YY", "ZZ".
*Please NEVER forget these 4 byte data!
Type “sendchar epw 03 F2 04 FF FF FF FF”
Type “sendchar RST”
Type “getchk”.
Type “sendchar epw 03 F2 04 WW XX YY ZZ”
*"WW", "XX", "YY", "ZZ" is 4 byte data that already read
from same address.
Type “wreeprom 01 23 45”. “01 23” is address and “45”
is data to be written.
Type"bs_burst"
Type"tx_high"
Type"tx_low"
12.2.5. Commands (Handset)
See the table below for frequently used commands.
rdeeprom
Command name
Function
Read the data of EEPROM
readid
writeid
Read ID (RFPI)
Write ID (RFPI)
getchk
How to use of
"getchk"
1.rdeeprom
Read checksum
Read EEPROM
2.sendchar epw
3.sendchar RST
4.getchk
5.sendchar epw
Write EEPROM
Reset baseset
Read checksum
Write EEPROM
weeprom
Write the data of EEPROM
hs_burst
Handset outputs RF power in burst
test mode
Keep TX power high
Keep TX power low
tx_high
tx_low
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Example
Type “rdeeprom 00 00 FF”, and the data from address
“00 00” to “FF” is read out.
Type “readid”, and the registered ID is read out.
Type “writeid 00 18 E0 0E 98”, and the ID “0018 E0 0E
98” is written.
Type "getchk"
Type “RdEeprom 03 7D 04”, and the data from address
“03 7D” to “03 80” is read out
*NEVER forget the read 4 byte data!
Type “sendchar epw 03 7D 04 FF FF FF FF”
Type “sendchar RST”
Type “getchk”.
Type “sendchar epw 03 7D 04 WW XX YY ZZ”
*"WW", "XX", "YY", "ZZ" is 4 byte data that already read
from same address.
Type”wreeprom 01 23 45”. “01 23” is address and “45”
is data to be written.
Type"hs_burst"
Type"tx_high"
Type"tx_low"
DC
5.5V
PUR
DCP
3.0A
RA451
L661
C661
+5.5V
VBG
VREF
C457
C458
C452
F301
DCM
L667
MIP
C455 C454
C456
L663
L662
MIN
VBAT
C331
VCCA
R331 R332
C451
R451
C301
R178
DC
RA504
Q652
IC601
RTCK
C611
RA151
L474
L476
C510 C514
C511
C512
C530
C513
PbF
PNLB2013Z
VDDC
+3.0V
C124C123
C120
R503
C461
UGND
IC611
TDI TDO
TMS TCK
R112
Q111
C112
STM/CKM/P15
RSTN
C479
-PA
KX-TG474x/473xH
C185
C151
RA452
R136
R653
C115
C121
R175
CHG
CHARGE+
C351
D361
R111
D472
D473
C173
R172
C175
Q161
C163
R122
C122
R115
R176
C152
R152
C181
C460
C521
C186
C475
C133
R114
C184
GRY
D153
C171
ANT2
R612
R606
C459
R506
C663
C664
C665
C662
C666
L664 L665
C669
D133
R166
Spectrum Analyzer
R601
R505
C476
R605
D113
C176
ORG
C111
R113
R121
C113
Q171
C472
C473
C601
C178
55
BLU
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R171
C174
Note:
(*1) is referred to No.2 of Check Check Table for RF part (P.40)
(*2) is referred to Power Supply Circuit/Reset Circuit (P.12)
R133
C132
R131
ANT1
C177 R177
CHARGE-
C477 C478
UTX URX
SPN
SPP
L1T
L1R
Frequency Counter (*1)
8
Volt Meter
Oscilloscope
* Start Monitor
Oscilloscope (*2)
* Send command "SFR", then
the frequency output on this TP.
STM/CKM/P15
A
BLU
SP
ORG
YLW
TEL
BRN
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
12.3. Adjustment Standard (Base Unit)
When connecting the simulator equipment for checking, please refer to below.
12.3.1. Bottom View
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
12.4. Adjustment Standard (Charger Unit)
When connecting the simulator equipment for checking, please refer to below.
12.4.1. Bottom View
Digital
Volt Meter
/2 W
Charge+
Charge-
12
F1
R1
R2
PNLB2081Z -IG
PbF
D1
A
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(GND)
DC POWER
DC 5.5 V
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
12.5. Adjustment Standard (Handset)
When connecting the simulator equipment for checking, please refer to below.
12.5.1. Component View
LED11
Oscilloscope
C38
R51
R49
R50
ANT_Short
VOLT METER
n
ee
Gr
C92 C91 C93
VE
R
40
R91
SCL
ge
an
Or
RESET
CS
RE
CE
I
ANT_Short-GND
OTP
C801
ANT
C4
2
CD SID
C71
D22
D21
C70
PbF
W
LE
D
ue
Bl
Spectrum Analyzer
C7
7
R7
0
C76
C803
ge
an
Or
C897
C804
Q5
C802
R806
C25
C22
11
C8
C52
R1
X1
C53
C99
C17
8
C1 C21
R24
1
C4
2
C3
0
C2
1
C3C3
0
C2
9
ATSTN
E_SDA
E_SCL
E_WP
C69
C40
IC3
C81
C23
C24
C806
C68
C98
R67
TD0
C814
C24
C805
RTCK
TEST
R68
RA5
C820C813 C810
IC1
R66
TMS
09
L8
C45
TCK
C826 C863 C44
C43
TDI
R69
C51
C34
L3
C96 C97
L9
C39
C16
RA4 C89
C88
Oscilloscope
VBAT_MON
R60 R33
VBG/CHG_MON
VDDC C79
R22 C14 R25
C12
C80
R28
R26
C37
C13
R27
C11
R21
C33
C36
R31
3.0V
C59
C60
Frequency Counter (*1)
Oscilloscope (*2)
* Start Monitor
R34
R23
Bl
VOLT METER
L4
ge
an
Or
150
SP
-P
HO
ue
L5
C4
C7
RA1 RA3 RA2
Q6
C1
C2
C3
* Send command "SFR", then
the frequency output on this TP.
CKM/STM
ATSTP
CKM/STM
GND_J
RSTN
C825
DA
80
1
C46
C822
R807
C812
NE
Connect between ANT-Short and ANT-Short GND.
ANT_TP
LED12
LED10
C72
C73
D14
D13
L8
SPP MICL1
MIC+ +47
+
MIC- 47
C56
CN4
Q3
C58
R80
C32
Q2
Q4
L6
C83
L10
C87
URX UTX
C15
C35
C6
R45
VBAT GND
VBAT
BAT-
CHG-
BAT+
CHG+
C5
R73
CHG (+)
A
CHG (-)
Note:
(*1) is referred to No.2 of Check Check Table for RF part (P.40)
(*2) is referred to Power Supply Circuit/Reset Circuit (P.20)
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R74
D4
R3
57
DC VOLT METER
D3
C28
DC POWER SUPPLY
2.6 V 2.34 V
Q9
GND
C10
R9
R6
CHG_CTRL
F1
C90
R4
R7
L7
CHG_DET
R2
R8 C27
C8
C9
C82
C57
IC4
MIC Load
C84 L75
C85
-PA
OSC
1.1 kHz
SPM MIC+
PNLB2012Z
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
12.6. Things to Do after Replacing IC or X'tal
If repairing or replacing EEPROM and X'tal, it is necessary to download the required data such as Programming data or adjustment
data, etc in memory.
The set doesn't operate if it is not executed.
12.6.1. How to download the data
12.6.1.1. Base Unit
First, operate the PC setting according to The Setting Method of JIG (P.51).
Then download the appropriate data according to the following procedures.
EEPROM (IC611)
X'tal (X1)
Items
How to download/Required adjustment
Adjusted parameter data is stored in memory. 1) Change the address “0001” of EEPROM to “55” to download
(country version batch file, default batch file, the data.
2) Default batch file: Execute the command “default.bat”.
etc.)
3) Country version batch file: Execute the command
“TG4731US_US_RevXXX_YYY.bat”. (*1)
4) Clock adjustment
System clock
Clock adjustment data is in EEPROM, adjust the data again
after replacing it.
1) Apply 5.5V between DCP ad DCM with DC power.
2) Input Command "sendchar sfr", then you can confirm the
current value.
3) Check X'tal Frequency.(13.824 MHz ± 100 Hz).
4) If the frequency is not 13.824 MHz ± 100 Hz, adjust the
frequency of CLK executing the command "sendchar sfr xx xx
(where xx is the value)" so that the reading of the frequency
counter is 13.824000 MHz ± 15 Hz.
Note:
(*1) XXX_YYY: revision number
“XXX”, “YYY” vary depending on the country version. You can find them in the batch file, PNZZ- mentioned in The Setting
Method of JIG (P.51).
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
12.6.1.2. Handset
First, operate the PC setting according to The Setting Method of JIG (P.51).
Then download the appropriate data according to the following procedures.
EEPROM (IC3)
X'tal (X1)
Items
How to download/Required adjustment
Adjusted parameter data is stored in memory. 1) Default batch file: Execute the command “default.bat”.
(country version batch file, default batch file, 2) Default batch file (remaining): Execute the command
“TGA470US_DEF_RevXXX_YYY.bat”. (*2)
etc.)
3) Country version batch file: Execute the command
“TGA470US_US_RevXXX_YYY.bat”. (*2)
4) Clock adjustment
5) 2.35 V setting and battery low detection
System clock
1) Apply 2.6V between BATT+ and BATT- with DC power.
2) Input Command "sendchar sfr", then you can confirm the
current value.
3) Check X'tal Frequency.(13.824 MHz ± 100 Hz).
4) If the frequency is not 13.824 MHz ± 100 Hz, adjust the
frequency of CLK executing the command "sendchar sfr xx xx
(where xx is the value)" so that the reading of the frequency
counter is 13.824000 MHz ± 5 Hz.
Note:
(*2) XXX_YYY: revision number
“XXX” and “YYY” vary depending on the country version. You can find them in the batch file, PNZZ- mentioned in The Setting
Method of JIG (P.51).
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59
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
12.7. Frequency Table
Channel 0
Channel 1
Channel 2
Channel 3
Channel 4
Downloaded from www.Manualslib.com manuals search engine
Ch. (hex)
00
01
02
03
04
TX/RX Frequency (MHz)
1928.448
1926.720
1924.992
1923.264
1921.536
60
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
13 Miscellaneous
13.1. How to Replace the LLP (Leadless Leadframe Package) IC
Note:
This description is only applied on the model with Shield case.
13.1.1. Preparation
• PbF (: Pb free) Solder
• Soldering Iron
Tip Temperature of 700 °F ± 20 °F (370 °C ± 10 °C)
Note:
We recommend a 30 to 40 Watt soldering iron. An expert may be able to use a 60 to 80 Watt iron where someone with less
experience could overheat and damage the PCB foil.
• Hot Air Desoldering Tool
Temperature: 608 °F ± 68 °F (320 °C ± 20 °C)
13.1.2. Caution
• To replace the IC efficiently, choose the right sized nozzle of the hot air desoldering tool that matches the IC package.
• Be careful about the temperature of the hot air desoldering tool not to damage the PCB and/or IC.
13.1.3. How to Remove the IC
1. Heat the IC with a hot air desoldering tool through the P.C.Board.
IC
P.C.Board
Hot Air Desoldering Tool
2. Pick up the IC with tweezers, etc. when the solder is melted completely.
Note:
• Be careful not to touch the peripheral parts with tweezers, etc. They are unstable.
Tweezers, etc.
IC
P.C.Board
When it is hard to melt the solder completely, heat it with a hot air desoldering tool through the IC besides through the
P.C.Board.
Hot Air Desoldering Tools
P.C.Board
3. After removing the IC, clean the P.C.Board of residual solder.
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
13.1.4. How to Install the IC
1. Place the solder a little on the land where the radiation GND pad on IC bottom is to be attached.
Soldering Iron
Land
Solder
P.C.Board
2. Place the solder a little on the land where IC pins are to be attached, then place the IC.
Note:
• When placing the IC, the positioning should be done very carefully.
IC
Soldering Iron
Land
Solder
P.C.Board
3. Heat the IC with a hot air desoldering tool through the P.C.Board until the solder on IC bottom is melted.
Note:
• Be sure to place it precisely, controlling the air volume of the hot air desoldering tool.
IC
P.C.Board
Hot Air Desoldering Tool
4. After soldering, confirm there are no short and open circuits with visual inspection.
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
13.2. How to Replace the Flat Package IC
Even if you do not have the special tools (for example, a spot heater) to remove the Flat IC, with some solder (large amount), a
soldering iron and a cutter knife, you can easily remove the ICs that have more than 100 pins.
13.2.1. Preparation
• PbF (: Pb free) Solder
• Soldering Iron
Tip Temperature of 700 °F ± 20 °F (370 °C ± 10 °C)
Note: We recommend a 30 to 40 Watt soldering iron. An expert may be able to use a 60 to 80 Watt iron where someone with
less experience could overheat and damage the PCB foil.
• Flux
Recommended Flux: Specific Gravity → 0.82.
Type → RMA (lower residue, non-cleaning type)
Note: See About Lead Free Solder (PbF: Pb free) (P.4)
13.2.2. How to Remove the IC
1. Put plenty of solder on the IC pins so that the pins can be completely covered.
Note:
If the IC pins are not soldered enough, you may give pressure to the P.C. board when cutting the pins with a cutter.
2. Make a few cuts into the joint (between the IC and its pins) first and then cut off the pins thoroughly.
3. While the solder melts, remove it together with the IC pins.
When you attach a new IC to the board, remove all solder left on the board with some tools like a soldering wire. If some solder is
left at the joint on the board, the new IC will not be attached properly.
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
13.2.3. How to Install the IC
1. Temporarily fix the FLAT PACKAGE IC, soldering the two marked pins.
*Check the accuracy of the IC setting with the corresponding soldering foil.
2. Apply flux to all pins of the FLAT PACKAGE IC.
3. Solder the pins, sliding the soldering iron in the direction of the arrow.
13.2.4. How to Remove a Solder Bridge
1. Lightly resolder the bridged portion.
2. Remove the remaining solder along the pins using a soldering iron as shown in the figure below.
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64
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
13.3. Terminal Guide of the ICs, Transistors and Diodes
13.3.1. Base Unit
4
8
5
C
(Reverse View)
88
67
66
1
1
2
1
4
B
3
E
22
45
44
23
C0DBEYY00102
C2HBCY000080
5
PNWI1TG4731H
PNWI2TG4731H
2SC6054JSL
B1ABDM000001
B1ACGP000008
Cathode
4
Anode
B
C
E
DSC7003S0L
3
1 2
PSVTUMG11NTR
Cathode
PQVDMD5S
DA2J10100L
PQVDPTZT2530
Cathode
Cathode
Anode
Anode
Anode
B0ECKM000008
B0DDCD000001
B3AAB0000347
LNJ237W82RA
13.3.2. Handset
8
(Reverse View)
88
67
66
1
22
23
C
654
5
B
1
4
3
1 2
45
44
C2HBCY000081
PNWITGA470BR
C0DBZYY00357
Cathode
Cathode
(Reverse View)
Cathode
Anode
Anode
Anode
B0BC4R3A0006
B0DDCD000001
B3ACB0000190
13.3.3. Charger
Cathode
Anode
B0ECKM000008
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65
E
B1ADCF000040
DRC9113Z0L
2SC6054JSL
B1ABGE000011
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
14 Schematic Diagram
14.1. For Schematic Diagram
14.1.1. Base Unit (Schematic Diagram (Base Unit_Main))
Notes:
1. DC voltage measurements are taken with voltmeter from the negative voltage line.
Important Safety Notice:
Components identified by
mark have special characteristics important for
safety. When replacing any of these components, use only the manufacture's
specified parts.
2. The schematic diagrams may be modified at any time with the development of new technology.
14.1.2. Handset (Schematic Diagram (Handset_Main))
Notes:
1. DC voltage measurements are taken with an oscilloscope or a tester with a ground.
2. The schematic diagrams may be modified at any time with the development of new technology.
14.1.3. Charger Unit (Schematic Diagram (Charger Unit))
Notes:
1. DC voltage measurements are taken with voltmeter from the negative voltage line.
Important Safety Notice:
Components identified by
mark have special characteristics important for
safety. When replacing any of these components, use only the manufacture's
specified parts.
2. The schematic diagrams may be modified at any time with the development of new technology.
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
Memo
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
14.2. Schematic Diagram (Base Unit_Main)
ANT1
C892
5p
W 0.15mm
L 20mm
3rd layer
GND
(1)
(2)
MIP
RXn
MIN
MIP
C894
CL1
GND
MIN
W 0.2mm
L mm GND
1st layer
2
1
GND
C827
10p
C456
ANT1
RXON
470
C822
10p
NC
470
R892
R807
C826
10p
(3)
1
2
DA802
GND
C893
CL2
1.2p
C896 C859
2.2p 2.2p
10p
W 0.2mm
L 10mm
1st layer
W 0.2mm
L mm
1st layer
GND
GND
C812
7.5n
0.9p
470
R891
C891
5p
GND
W 0.15mm
L 5.0mm
1st layer
W 0.15mm
L 5.0mm
1st layer
TXn
C825
10p
VBAT
GND
470
W 0.2mm
L 10.0mm
1st layer
GND
ANT2
TXON
TXn
TXp
RXp
RXn
RXON
ANT1
C806
2.7p
GND
TO RF BLOCK
C811
10p
GND
(5)
(6)
(7)
(8)
(9)
(10)
(11)
VBAT
GND
TXON
ANT2
10pin
Q651
R651
680
5
C1 B1
AP1
E
R652
4
680
C2 B2
ANS_LED
2
3
C661
0.1u
L661
NC
L665
L664
L662
L663
NC
NC
NC
NC
STM/CKM/P15
LCD_RST
LCD_CS
LCD_CD
SPI2_DO
SPI2_CLK
NC
NC
NC
RSTN
BELL
CHARGE_DET
KEYIN6
KEYS_A
KEYS_B
C663
C662
C664
C666
C665
C667
C668
C669
R654
LCD_BLT
2.2k
RA502
10k
Q653
C516
C517
RA501
33
JTAG_TDO
JTAG_TDI
JTAG_TCK
JTAG_TMS
JTAG_RTCK
NC
NC
NC
NC
NC
NC
NC
NC
*R655
*R656
*R657
1
GND
K1u
13
MSG_LED
ANS_LED
LCD_BLT
LCD_GND
LCD_RST
LCD_CS
LCD_CD
LCD_SID
LCD_SCL
LCD_VDD
KEYIN6
KEYS_A
KEYS_B
ANS_LED
MSG_LED
LCD_BLT
* Start Monitor
* When "SFR" command
is executed, 13.824MHz
frequency will be output.
MSG_LED
C515
+3.0V
1
5
4
6
3
7
2
8
1
5
6
7
8
PARALLEL WIRE
4
3
2
1
*WBX02
C476 10p
K
K
A
GND
C810
2.4p
R806
GND
A
C805
2.7p
W 0.15mm
L 20mm
3rd layer
GND
GND
L809
2p
2
C895
3
GND
(4)
TXp
DA801
2
3
1
C813
1
C479 10p
GND
ANT2
D472 NC
SPP
GND
D473 NC
SPN
RXp
C477 10p
C820
1.5p
C478 10p
C863
1.5p
10p
W 0.2mm
L 10mm
1st layer
C518
0.1u
0.1u
0.1u
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
VDDC
TXp
RXp
RXn
GND_RF
TRSW_p
ANT_n
ATST_n
ATST_p
TEST
*IC501
RSTN
NC
VCC_VCO
GPIO[27]
VDDUSB
DM_USB/GPI28
DP_USB/GPI29
VDDC1
JTAG_TDO
JTAG_TDI
JTAG_TCK
JTAG_TMS
JTAG_RTCK
+3.0V
VBAT
(12)
13
KEYS_E
KEYS_C
KEYIN1
KEYIN2
KEYIN3
KEYS_D
KEYS_E
KEYS_C
KEYIN1
KEYIN2
KEYIN3
KEYS_D
LED_VDD
KEYIN4
KEYIN5
NC
SP_LED
MICN
MICP
MODEL
*R510
*R511
1k
NC
(13)
(14)
KEYIN4
KEYIN5
SP_LED
NC
NC: No Components
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68
JTAG_TCK
JTAG_TMS
JTAG_TDI
TMS
TDI
R502
33
TCK
JTAG_RTCK
RTCK
UGND
URX
AP1
JTAG_TDO
UTX
UTX
10pin
PARALLEL WIRE
TDO
(15)
*Q652
NC
C651
C657
C655
C652
C653
C654
C656
C658
C659
*WBX01
NC
NC
NC
NC
NC
NC
NC
NC
NC
1
URX
*R653
MIN
MIP
1
2
3
4
C601
*CS
VCC
SO/SIO1
NC/SIO3
*WP/SIO2
SCLK
GND SI/SIO0
*IC601
7
6
C520
0.1u
0.1u
5
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VDDC
VDDC
16M FLASH
8
1
2
3
4
4
3
C611
0.1u
A0
64K EEPROM
IC611
VCC
A1
WP
A2
SCL
VSS
SDA
8
7
1
2
69
5
GND
LCD_RST
HOOK
LCD_CD
SPI2_CLK
SPI2_DO
LCD_CS
UTX
URX
6
10 9 8 7
11
12
ADJ
1
VBAT VBAT
2
NC
2
Bell
+5.5V +5.5V
NC
300V
SA101
1
SA102NC
L102 NC
NC
1
SA103
C115
1u
*Q701
NC
C351
NC
NC
C301
NC
C306
NC
R115
NC
+3.0V
R371
C102 680p
*R373
R372
C184
1
1
(0.5W) (0.5W)
K1.0u
A
1
1u
*R703
D362
4
K
2
NC
D101
C321
L501
100n
D361
A
K
3
NC
K
30V
R142
2.7k (3216)
R131 10M
B
E
C
Q141
C322
NC
C701
*Q702
NC
100
VDDC
R133 330k
E
C132 K0.01u
C
R322
100k
B
140
Q142
100k
NC
*R702
R112
100k
A
D143 NC
D142
C142 K0.01u
47k
R162
R141
R321
R501 10
C112 0.047u
R151
10p
VBG
K0.68u
Q111
100k
C111 0.047u R111
+3.0V
R113 10k
BELL
R145 2.2k
100k
C113
R161
2.7k
470k
0.01u
R164
1k
47k
R152
C152
12
R163
C163 NC
K
NC
C460
B
C343
C502 C501
10u
0.1u
R167 27
E
A
680p
Q161
R114
390k C122
3
R122
K
680p
A
390k C121
K
R121
A
R177
NC
C165 NC
1k
1000p
C
D133
R166
NC
R165 27k
C167
Rx
2
4
*C459
D153 NC
C173
K0.22u
4700p
10u
NC
Tx
C341
1u
D113
+3.0V +3.0V
1
C461
NC
RA151
C168 2.2u
NC
NC
C181
Q171
1k
10p
NC
C171
C177
NC
100
R176
C161
C164
560
R175
C176 10u
1
2
R160
0.1u
6.3
330u
1u
1u
NC
C186
0.022u
NC
*RA451
4
3
NC
*C452
NC
*C451 *R451
+3.0V
C342
C506
R178
C505 10u
R503
22
21
20
19
18
17
16
15
14
13
12 C504
11 C521
10
9
8
7
6
5
4
3
2
1
100k
NC
10p
NC
VREF
10u
VCCA
R136
C172
C151
C133
NC
C503
NC
R506 NC
*C457
2
NC
1
22
C174
3
*C458
100k
R505 2.2k
MIN
VCCA
VREF
DCIN3/LIN1
DCIN2
DCIN1
DCIN0/LIN0
DOUBOUT
DOUBCAPP1
DOUBCAPP
DOUBCAPN
DOUBCAPN1
VBAT
COREOUT
VDDC2
GPIO[26]
GPIO[25]
GPIO[24]
GPIO[23]
GPIO[22]
GPIO[21]
GPIO[20]
4
*RA452
NC
C178
R172
VCCA
C120
C123 10p
+5.5V
R171
(4)
C124 10p
NC
@Doub
L474
68k
NC
C175 1000p
+3.0V
10k
3.3k
3.3k
EEP_WP
EEP_SCL
EEP_SDA
89
NC
C472 NC
NC
@Doub
L476
33k
R332 R331
(3)
RA652
100
*IC501
GND
8
C185
C473 NC
C475 NC
12p
C509
C331 NC
C455
NC
C454
(2)
KEYIN6
4
3
2
1
C522
10p
C507
K2.2u
C514 0.1u
C513 K2.2u
C512 0.1u
C511 10u
C510 K1u
C530 10p
10p
C508
(1)
910
R612
R606
R605
+3.0V
1
(13)
(14)
8
(12)
KEYIN4
KEYIN5 5
KEYS_D 6
KEYS_E 7
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
R509NC
SPI_CLK
SPI_DO
SPI_DI
SPI_CS
TXn
TRSW_n
ANT
VCC_FE
VDD_IF
VCC_IF
VDD_APU
VBAT_APU
XIN
XOUT
DCINS
PWM0
PWM1
SPOUTP
VCCPA
SPOUTN
LOUT
HSSPOUTP
MPWR
HSMIP
HSMIN
MIP
13.824M
NC
GPIO[0]/SCL_IIC
GPIO[1]/SDA_IIC
GPIO[2]
GPIO[3]
GPIO[4]
GPIO[5]
GPIO[6]
GPIO[7]
GPIO[8]
VDDIO1
GPIO[9]
GPIO[10]
GPIO[11]
GPIO[12]
GPIO[13]
GPIO[14]
GPIO[15]
GPIO[16]
GPIO[17]
VDDIO2
GPIO[18]
GPIO[19]
(5)
(6)
(7)
(8)
(9)
(10)
(11)
C519
0.1u
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
X501
R601
EEP_SCL
EEP_SDA
EEP_WP
SP_LED
KEYS_A
KEYS_B
SPI_DI
SPI_DO
SPI_CLK
RA651
SPI_CS 100
KEYS_C
4
KEYIN1 5
3
KEYIN2 6
2
KEYIN3 7
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
VCCA
REFERENCE
1XX : TEL LINE
3XX : POWER, CHARGE
4XX : MIC, SP
5XX : BBIC
6XX : FLASH, EEPROM, KEY, LCD
7XX : FOR DK/BT
8XX : RF
C101 680p
L101 NC
(YELLOW)
L1T
P101 22
L1R
GAP
(GREEN)
Caller ID
F301
3.0A
!
HOOK
DCP
DCM
*R701
CHG+
CHARGE+
CHARGE_DET
CHARGE-
IC302
+5.5V
2 OUT1 IN 3
4 OUT2
RA504
+3.0V 68
1.2V
(15)
ZA1 NC
6
HAK_CL1
1 2 3 4 5
GND
NC: No Components
KX-TG4732/4733/4734 SCHEMATIC DIAGRAM (Base Unit_Main)
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
14.3. Schematic Diagram (Base Unit_Operation)
CELL1_LED(R)
13
BT_HS_LED(G)
BT_HS_LED(R)
MEG_LED
10
ANS_LED
*LED911
K
*LED916
K
*LED915
K
LED902
K
LED901
K
NC
A
NC
A
NC
A
RED
A
RED
A
R901
270
LED905
R902
270
LED906
R903
270
LED907
R904
270
LED908
LCD_BLT
10pin:TG4731
13pin:TG7731
CN901
LCD_GND
GND
GND
LCD_RST
GND
C901
1u
16V
LCD_CS
GND
6.3V
1u
LCD_SID
C903
LCD_CD
LCD_SCL
LCD_VDD
CELL1_LED(G)
1
13
CELL2_LED(R)
CELL2_LED(G)
KEYS_E
*LED912
K
*LED913
K
*LED914
K
C902
NC
A
NC
A
NC
A
ERASE
1
2
KEYIN1
KEYIN2
VG
3
/RSTB
4
/CSB
5
VSS
6
A0
7
SDA
8
SCLK
9
VDD1
10
VDD2
11
V0
12
XV0
ANS
UP
1
2
2
1
MSG4
1
2
KEYIN3
MSG3
1
2
KEYS_D
VLED
MSG2
1
2
NC3
RPT
NC2
NC1
GND
2
10
KEYS_C
10pin:TG4731
13pin:TG7731
1u
25V
1
1
2
STOP
1
2
1
MSG1
1
2
SKIP
1
2
DOWN LOCAT/INT
1
2
1
2
PCB
FOR TG773x,TG473x
CT2 CT1 CARBON_TEST
NC: No Components
KX-TG4732/4733/4734 SCHEMATIC DIAGRAM (Base Unit_Operation)
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70
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
Memo
Downloaded from www.Manualslib.com manuals search engine
71
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
14.4. Schematic Diagram (Handset_Main)
Charge Current
VBAT
VBAT
!
GND
GND
GND
GND
GND
NC
C4
39p
C7
C3
220u
6.3
C2
220u
6.3
6.3
C1
220u
39p
C10
C9
C8
(1608)
C90
0.1u
2.5A
39p
BAT+
NC
F1
GND
GND
GND
39p
C15
0.1
R45
BAT-
Battery
CHG_CUR
When on Charge
GND
CP3V
6
0.1u
5
7
8
C69
RA5
C27
1000p
R2
10k
R6
GND
SCL
5
SDA
4
3
A1
2
A2
3
VSS
4
GND
TO RF BLOCK
TXON
TXn
TXp
RXp
RXn
RXON
CP3V
CHG_CTRL
TDI
TMS
TCK
TDO
GND_J
CHG_CTRL
CHG_DET
CHG_DET
R69 10k
VBAT
VDDC
GND
C43 C46 10p
C45
K0.1u K0.1u
RSTN
CKM/STM
GND
GND
R68 10k
R66 10k
NC
C35
Q9
R67 10k
C6
K0.1u
GND
6
1
A0
32K
* Start Monitor
* When "SFR" command
is executed, 13.824 MHz
frequency will be output.
Q4
GND GND
WP
CP3V
RTCK
GND
TEST
ATSTP
ATSTN
R4
E_SDA
Q3
47k
100k
R7
1.5k
R3
C5
K0.1u
EEP_SDA EEP_SDA
VCC
7
*IC3
3.3
CHG-
E_WP
E_SCL
C44
K1u
R9
R8
CHG+
EEP_WP
EEP_SCL EEP_SCL
8
30k
30k
CHG+
CHARGE
Terminal
EEP_WP
1s
1
Q2
2
3.3k
2
LEFT
SHARP
9
6
3
KIN_4
VDDC VDDC
FLASH:1.8V / ROM:1.2V
RE1
C79
GND
NC: No Components
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0.1u
40
38
C23
C26 10u
0.1u
C24
37
(1608)
1u
36
35
CHG_DET
34
33
(1)
(2)
VBAT
CHG_CTRL
32
31
30
C68
1u
29
28
(1608)
27
26
10p
D10p
D10p
C89
R26
3.3k
C17 10p
23
C80
24
C88
GND
25
(3)
(4)
(5)
(6)
(7)
(8)
GNDA
C18
(1608)
C20 10u
C25 K2.2u
k0.1u
39
0.039u
46
47
48
45
22
21
20
19
18
LCD_SID
LCD_SCL
C93 1u
R91 NC
C91 1u
C92 K1u
OTP
GND
72
CN3_C
CN3_C
CN3_C
CN3_C
CN3_C
CN3_C
CN3_C
CN3_C
9
10
11
12
13
14
15
VDD
VSS
V0
XV0
VG
GND
GND
CN3_C
6
CN3_C
CN3_C
5
A0
SCLK
8
CN3_C
4
7
CN3_C
3
CS
RST
VDD
CN3_C
2
SDA
CN3_C
1
GND
LED21
330
100p
Q6
GND
GND(OTP)
1
8
100p
*C81
*Q5
GND
CP3V
NC
LED20
2
7
NC
3
6
LED6
LED1
4
330
5
LED4
1
8
RA3
2
7
LED3
3
6
LED2
4
5
LED5
NC
RA2
6
LED9
7
LED8
8
5
4
RA1
3
LED7
NC
10p
GND
2
GND
*C77
47
*R70
10p
GND
1
GND
*C76
NC
*C38
150
150
*R51 *LED12
LED10
NC
NC
R50
R49
*LED11
WLED
-
LCD_CD
+
CD
LCD_CS
KEY BACKLIGHT
(AMBER)
CS
LCD BACKLIGHT
(AMBER)
LCD_RESET
CP3V
LCD_BACKLIGHT
[White]
RESET
KEY_LED
BELL_LED
CP4V
100k
C33
3.0V
STB_E
STB_D
STB_C
STB_B
STB_A
CP3V
BELL LED
(AMBER)
L3
1.2V
KIN_1
R21
RE1
CHG_CUR
VOL_UP
VOL_DW
SID
SOFT_A
SCL
SOFT_C
C22
41
(9)
VBAT
(10)
GNDAGND
CHG_CUR
KIN_2
SOFT_B
49
50
51
52
KIN_3
42
C11 K0.1u 3.3k
5
RA4
8
43
GNDA
C13 K0.1u
0
44
GNDA
R33
SP
C36
1
B/W LCD Unit
GND
39p
4
C31 10u
7
(1608)
AST
53
CP3V 3.0V
C32 1u
FLASH
C21 1u
C30 1u
C51
10u (1608)
(1608)
GND
KIN_5
100k 100k
OFF
1u
C34
TALK
R24
10
C29
VBG/CHG_MON
UP
DOWN
BELL_LED
KEY_LED
(1608)
RIGHT
54
55
56
57
58
59
60
61
62
63
64
65
STB_E
CP_OFF
VBAT_MON
1
GND
UTX
CP_OFF STB_C
0.1u
R31
89
17
88
4
4.0V
GND
16
87
15
1u
STB_B
URX
k0.1u
C41
CN
85
86
5
(1608)
VCC
STB_A
6
14
83
(1608)
82
13
81
12
80
TXn
TRSW_n
ANT
VCC_FE
VDD_IF
VCC_IF
VDD_APU
VBAT_APU
XIN
XOUT
DCINS
PWM0
PWM1
SPOUTP
VCCPA
SPOUTN
LOUT
HSSPOUTP
MPWR
HSMIP
HSMIN
MIP
IC1
11
78
9
77
10
*L6
NC
SHD
76
79
1u
GND
3
C40
k0.1u
GND
84
CP
*C58
1u
*C56
(1608)
VOUT
2
*C57
*IC4
1
75
LCD_CS
LCD_CD
KIN_1
KIN_2
KIN_3
KIN_4
KIN_5
VBAT
CP4V
74
8
LCD_SID
LCD_SCL
GND
7
73
GND
6
72
5
71
GPIO[0]/SCL_IIC
GPIO[1]/SDA_IIC
GPIO[2]
GPIO[3]
GPIO[4]
GPIO[5]
GPIO[6]
GPIO[7]
GPIO[8]
VDDIO1
GPIO[9]
GPIO[10]
GPIO[11]
GPIO[12]
GPIO[13]
GPIO[14]
GPIO[15]
GPIO[16]
GPIO[17]
VDDIO2
GPIO[18]
GPIO[19]
GPIO[20]
GPIO[21]
GPIO[22]
GPIO[23]
GPIO[24]
GPIO[25]
GPIO[26]
VDDC2
COREOUT
VBAT
DOUBCAPN1
DOUBCAPN
DOUBCAPP
DOUBCAPP1
DOUBOUT
DCIN0/LIN0
DCIN1
DCIN2
DCIN3/LIN1
VREF
VCCA
MIN
70
4
69
3
68
2
67
STB_D
LCD_RESET
NC
R60
2.2k
EEP_SCL
EEP_SDA
UTX EEP_WP
URX HEADSET_DET
NC
C60
C59
UTX
URX
GND
VBAT
JTAG_RTCK
JTAG_TMS
JTAG_TCK
JTAG_TDI
JTAG_TDO
VDDC1
DP_USB/GPI29
DM_USB/GPI28
VDDUSB
GPIO[27]
VCC_VCO
NC
RSTN
TEST
ATST_p
ATST_n
ANT_n
TRSW_p
GND_RF
RXn
RXp
TXp
66
GND
CP3V
(11)
(12)
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
RF BLOCK
ANT-Short-GND
R807
W 0.15mm/L 7mm
W 0.5mm /L 5mm
1st layer
1.8p
C801
10p
10p
C820
C826
RXn
1.8p
GND
GND
C863
ANT_TP
RXON
470
10p
W 0.15mm
L 20mm
3rd layer
ANT-Pattern
GND
C822
ANT-Short
RX_RF
RXp
GND
2.4p
C805
2.5p
GND
TX_RF
TXn
GND
10p
C825
W 0.15mm
L 6.2mm
1st layer
GND
W 0.2mm
L 10.0mm
1st layer
2.4p
1p
C806
8.2n
W 0.15mm
L 20mm
3rd layer
R806
470
TXp
C810
L809
1.6p
C812
C813
2p
C802
1.8p
1
DA801
W 0.2mm
L 3.8mm
1st layer
GND
GND
VBAT
GND
NC
C814
C811
GND
100p
GND
GND
2
3
GND
24p
C897
C804
C803
1.3p
GND
X1
13.824M
R25
MIC POWER
GND
GND
10u
C42
K1000p
4.3V
GND
L1
1
L7
2
(1608)
C37
D21
NC
D22
GND
Handset RX
4.3V
SPM
R80 100
390
4.3V
10p
D14
C72
10p
4.3V
D13
GND
RECEIVER
GND
R23
GND
+
GNDA
(8)
GNDA
SP-PHONE_SPEAKER
C70
0.039u
GND
NC
3.3k
Headset_RECEIVER
C14
C39
R22
GND
SPP
22u
2.2k
NC
NC
C99
C98
C97
L9
0
K1000p
C16
RECEIVERRECEIVER+
D10p
NC
Speakerphone_SP+
Speakerphone_SP-
C96
L5
SP-phone RX
C73
GND
D10p
180n
-
(3)
(4)
(5)
(6)
(7)
(9)
L4
+
12p
C53
R1
NC
GND
C71
C52
(1)
(2)
D10p
TXON
CN4
3
Headset Jack
4
GNDA GNDA GNDA1
GNDA1
L75
L10
C84
K1000p
K1000p
L8 10
C87
NC
100k
C85
HEADSET_DET
R32
(10)
C83 D10p
GNDA
C82 K470p
5
GNDA1 GNDA
GNDA
GNDA1
MIC+
(11)
(12)
MIC+
R73 33
C28
NC
10u
R28
2.2k
390
R34
C12
MIC-
MIC-
Handset TX
SP-phone TX
D4 NC
R74 33
1
MIC AP1
2
D3 NC
R27
2.2k
GND
GND GND
GNDA
*RF-SHIELD
NC
GND
NC: No Components
KX-TGA470 SCHEMATIC DIAGRAM (Handset_Main)
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KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
14.5. Schematic Diagram (Handset_LED)
LED
KX-TGA470 SCHEMATIC DIAGRAM (Handset_LED)
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74
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
14.6.
Schematic Diagram (Charger Unit)
!
1
2
F1
R1
R2
1 (0.5W)
1 (0.5W)
D1
A
TP1
K
J1
TP2
G
SCHEMATIC DIAGRAM (Charger Unit)
Downloaded from www.Manualslib.com manuals search engine
75
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
Memo
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76
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
15 Printed Circuit Board
15.1. Circuit Board (Base Unit_Main)
15.1.1. Component View
ANT1
L102
CHG
BLU
C652
C658
LCD_CD LED_VDD
LCD_SID KEYIN4
LCD_SCL KEYIN5
LCD_VDD
NC
C659
C657
C656
RA652
R510
LCD_RST KEYIN3
LCD_CS KEYS_D
C653
C502
1
LCD_GND KEYIN2
KEYIN6 SP_LED
C654
KEYS_A
MICN
R668 KEYS_B
MICP
R656
C519
R657
ORG
A
KX-TG4732/4733/4734 CIRCUIT BOARD (Base Unit_Main (Component View))
Downloaded from www.Manualslib.com manuals search engine
WBX01
C651
Q653
R654
C504
C655
R511
RA502
R703
R702
Q651
C522
C507
C518
RA651
Q702
R652
C501
R502
R372
C701
Q701
LCD_BLT KEYIN1
C172 R655
C503
ZA1
D362
ANS_LED KEYS_C
R651
C506
IC501
C516
R373
R701
C505
MSG_LED KEYS_E
L501
C515
R892
R501
C520
R807
C509
C806
C811
C826
RA501
BLU
R509
C863
C820
C892 C822
R891
R806 C508
C810
C813
C805
C812
C517
R167
C168
R151
R163
R145
SP
X501
C825
C891
C859
R164
ORG
PUR
L809
C827
C895
R161
DA801
D142
C165
C161
C896
R162
R165
C164
Q142
DC
PbF
DA802
C167
R160
C341
C342
77
<-TG473xH
C101
C142
Q141
R142
YLW
GRY
D101
D143
SA103
SA102
R141
TEL
C102
BRN
R321
R322
KX-TG474x/473xH
PNLB2013Z -PA
<- TG474x
P101
ANT2
WBX02
SA101
C306
C343
R371
L101
C893
IC302
C322
C321
C894
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
15.1.2. Bottom View
For JIG
UTX URX GND
ANT1
UTX URX
ANT2
UGND
GRY
VBAT
KX-TG474x/473xH
C301
DCM
PNLB2013Z
VBAT
DC
L1R
-PA
BRN
F301
R331 R332
L667
C611
R121
C171
R166
C113
STM/CKM/P15
D473
D472
C177 R177
R171
C174
Q171
C152
R152
C173
R172
C175
R175
C178
R176
C132
C176
RSTN
R131
R133
ORG
C477 C478
VDDC
C111
D113
R114
C184
C163
R605
L663
C181
C479
R111
R113
R112
Q161
L474
C133
C151
RA151
YLW
R122
Q111
C476
C521
+3.0V
C124C123
C121
C122
L476
R612
R606
C665
C186
C475
C460
RA452
C120
L662
VDDC
C185
C461
R503
R178
C663
C664
C662
C666
L664 L665
+3.0V
VBG
L1T
C112
C459
VREF
L661
C661
TEL
C115
R115
C510 C514
C511
C512
C530
C513
VCCA
R136
C457
C458
C472
C473
C452
C451
R451
RA451
DCP
PbF
C331
D133
+5.5V
D153
3.0A
PUR
RA504
CHARGE+
TDI TDO
CHG
CHARGE-
BLU
R505
BLU
C351
IC611
ORG
Q652
TMS TCK
IC601
C601
C455 C454
R506
MIP
R601
C456
SP
SPN
D361
RTCK
R653
C669
MIN
STM/CKM/P15
(CLK:13.824MHz)
SPP
A
KX-TG4732/7733/7734 CIRCUIT BOARD (Base Unit_Main (Bottom View))
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78
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
15.2. Circuit Board (Base Unit_Operation)
LED901
LCD
C903
R903
R901
LED907
LED905
R904
ERASE
ANS
STOP
LOCAT/INT
R902
LED908
LED906
C902
C901
UP
LED915
LED916
MSG2
MSG1
LED911
LED912
TG773xH
TG473xH
PNLB2049Z
RPT
LED902
MSG3
-IG
SKIP
MSG4
LED913
LED914
DOWN
PbF
A
KX-TG4732/4733/4734 CIRCUIT BOARD (Base Unit_Operation (Component View))
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79
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
Memo
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80
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
15.3. Circuit Board (Handset_Main)
15.3.1. Component View
LED11
C38
R51
R49
R50
ANT_Short
n
ee
Gr
OTP
C801
C92 C91 C93
R91
SCL
ge
an
Or
RESET
CS
R
C4 EC
EI
2
VE
R
ANT_Short-GND
ANT_TP
ANT-TP
ANT-GND
LED12
LED10
CD SID
C71
D22
D21
C70
PbF
W
LE
D
ue
Bl
C7
7
Q5
C802
R806
C25
C22
11
C8
C52
R1
X1
C99
C53
C17
8
C1 C21
R24
1
C4
2
C3
0
C2
1
C3C3
0
C2
9
ATSTN
E_SDA
E_SCL
E_WP
C69
C40
IC3
C81
C23
C24
C806
C68
C98
R67
TD0
C814
C24
C805
RTCK
TEST
R68
RA5
C820C813 C810
IC1
R66
TMS
09
L8
C45
TCK
C812
C826 C863 C44
C43
TDI
CKM/STM
GND_J
RSTN
R69
CKM/STM
(CLK:13.824MHz)
C825
DA
80
1
C46
C822
R807
ATSTP
R7
0
C76
C803
ge
an
Or
C897
C804
C51
C34
L3
C96 C97
L9
C39
C16
VBAT_MON
R60 R33
VBG/CHG_MON
VDDC C79
R22 C14 R25
C12
C80
R28
R26
C37
C13
R27
C11
R21
C33
C36
R31
3.0V
C59
C60
3.0V
(Output)
RA4 C89
C88
R34
R23
ue
Bl
SP
-P
HO
NE
L4
L5
C4
C7
RA1 RA3 RA2
Q6
C1
C2
C3
ge
an
Or
C72
C73
D14
D13
SPM MIC+
-PA
C84 L75
C85
PNLB2012Z
SPP MICL1
L8
SPMIC+
MICSP+
C56
CN4
Q3
C58
R80
C32
Q2
Q4
L6
C83
Q9
C15
C35
C6
R45
C87
C10
CHG_DET
R9
R6
CHG_CTRL
F1
C90
R4
R7
L7
L10
R2
R8 C27
C8
C9
C82
C57
IC4
URX UTX
VBAT GND
URX
UTX for signal communication jig
GND
VBAT
BAT-
CHG-
BAT+
CHG+
D3
CHG (+)
CHG (+)
C5
R73
R74
D4
R3
C28
A
CHG (-)
CHG (-)
KX-TGA470 CIRCUIT BOARD (Handset_Main (Component View))
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81
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
15.3.2. Bottom View
CN3_C
-PA
VOL_DW
VOL_UP
PNLB2012Z
LED7
LED9
LED9
SOFT_B
SOFT_A
SP
SOFT_C
FLASH
UP
LED1
LEFT
LED2
RIGHT
TALK
DOWN
1
2
OFF
LED3
LED4
3
4
6
LED21
LED20
5
8
9
LED6
LED5
7
#
0
A
MIC
KX-TGA470 CIRCUIT BOARD (Handset_Main (Bottom View))
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82
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
15.4. Circuit Board (Handset_LED)
PNLB1964Z
-IG PbF
A
KX-TGA470 CIRCUIT BOARD (Handset_LED (Component View))
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83
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
15.5. Circuit Board (Charger Unit)
15.5.1. Component View
PNLB2081Z -IG
J1
A
CIRCUIT BOARD (Charger Unit (Component View))
15.5.2. Bottom View
F1
R1
R2
PNLB2081Z -IG
PbF
D1
A
CIRCUIT BOARD (Charger Unit (Bottom View))
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84
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
16 Exploded View and Replacement Parts List
16.1. Cabinet and Electrical Parts (Base Unit)
1
3
2
4
5
8
6
E1 (*1)
9
A
7
E2
10
E3
11
12
12
PCB1
PCB2
13
A
14
15
16
Ref.No.
Figure
A
2.6 x 8mm
A
18
17
Note:
(*1) This cable is fixed by welding. Refer to How to Replace the Base Unit LCD (P.48)
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85
22
A
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
16.2. Cabinet and Electrical Parts (Handset)
CUSHION RUBBER
*STICK IT WITHIN THE FRAMEWORK ON P.C.B.
B
E106
E103
E104
E102
105
E107
103
E105
102
E101(*1)
B
MIC100
106
109
110
PCB100
108
107
101
118
117
123
111
122
104
114
119
113
(*2)
121 (*3)
112
120
115
B
116
Battery cover
Spacer (No.121)
Ref.No.
Stick it between
ribs.
Figure
B
Ǿ2˜8
mm
Put it in the center.
Note:
(*1) This cable is fixed by welding. Refer to How to Replace the Handset LCD (P.50).
(*2) The rechargeable Ni-MH battery HHR-4DPA is available through sales route of Panasonic.
(*3) Attach the SPACER (No. 121) to the exact location described above.
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86
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
16.3. Cabinet and Electrical Parts (Charger Unit)
200
200-1
PCB200
200-3
200-2
B
200-4
Ref.No.
Figure
B
201
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87
φ2×8
mm
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
16.4. Accessories and Packing Materials
16.4.1. KX-TG4732B
A5
A2
A4
P2
A1
P2
A1
A3
P1
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88
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
16.4.2. KX-TG4733B
A105
A104
A102
P102
P102
A101
P102
(*1)
A103
P101
Note:
(*1) This pad is a piece of Ref No.P101 (GIFT BOX).
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89
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
16.4.3. KX-TG4734B
A204
A202
A205
P202
P202
P202
A201
A203
P201
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90
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
16.4.4. KX-TGA470B
A303
P302
(*1)
A302
A301
P301
Note:
(*1) This pad is a piece of Ref No.P301 (GIFT BOX).
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91
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
16.5. Replacement Parts List
Safety
1. RTL (Retention Time Limited)
Note:
The “RTL” marking indicates that its Retention Time is
Limited.
When production is discontinued, this item will
continue to be available only for a specific period of
time.
This period of time depends on the type of item, and
the local laws governing parts and product retention.
At the end of this period, the item will no longer be
available.
2. Important safety notice
Components identified by the mark indicates special
characteristics important for safety. When replacing any
of these components, only use specified manufacture's
parts.
3. The S mark means the part is one of some identical parts.
For that reason, it may be different from the installed part.
4. ISO code (Example: ABS-94HB) of the remarks column
shows quality of the material and a flame resisting grade
about plastics.
5. RESISTORS & CAPACITORS
Unless otherwise specified;
All resistors are in ohms (Ω) k=1000Ω, M=1000kΩ
All capacitors are in MICRO FARADS (µF) p=µµF
*Type & Wattage of Resistor
ERX:Metal Film
ERG:Metal Oxide
ER0:Metal Film
Safety
1
2
3
4
5
6
7
8
9
10
11
12
13
Part No.
PNGP1225Z1
PNKM1256Z1
L0AA02A00087
PQHG10729Z
PQHR11313Z
PNKE1130Z1
PNJT1107Z
PNBC1404Y3
PNHR1585Z
PNBC1345Z1
PNJK1146Y
PNLA1047Z
PNHR1584Z
Ref.
No.
PCB1
D101
D113
D133
D142
D362
DA801
DA802
L501
L809
RA151
RA501
RA502
RA504
RA651
RA652
Others
1V :35V
50,1H:50V
1J
:16V
2A
:100V
SA101
16.5.1.1. Cabinet and Electrical Parts
Ref.
No.
PNGT6443Z
Q111
Q141
Q142
Q161
Q171
Q651
Q653
16.5.1. Base Unit
Safety
18
IC302
IC501
IC601
IC611
PQ4R:Chip
ERS:Fusible Resistor
ERF:Cement Resistor
0J :6.3V
1A :10V
1C :16V
1E,25:25V
PQJJ1T039L
K2ECYZ000001
PNKF1228Z1
PNHA1013Z
R111
R112
R113
R114
R121
R122
R131
R133
R136
R141
R142
R145
R151
R152
R160
R161
R162
R163
Part Name & Description Remarks
PANEL, UPPER
CABINET BODY
SPEAKER
RUBBER PARTS, SPEAKER
GUIDE, SPEAKER
CASE, CHARGE TERMINAL
CHARGE TERMINAL
BUTTON, NAVIGATOR KEY
GUIDE, BUTTON
BUTTON, MESSAGE
KEYBOARD SWITCH, TAM
ANTENNA, SUB
GUIDE, JACK
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Part Name & Description Remarks
JACK, MODULAR
JACK, DC
CABINET COVER
RUBBER
PARTS,
CUSHION
NAME PLATE
PS-HB
FOOT
16.5.1.2. Main P.C. Board Parts
Wattage
10,16:1/8W 14,25:1/4W
12:1/2W
1:1W 2:2W 3:3W
*Type & Voltage Of Capacitor
Type
ECFD:Semi-Conductor
ECCD,ECKD,ECBT,F1K,ECUV:Ceramic
ECQS:Styrol
ECQE,ECQV,ECQG:Polyester
ECUV,PQCUV, ECUE:Chip ECEA,ECST,EEE:Electlytic
ECQP:Polypropylene
ECQMS:Mica
Voltage
ECSZ Type
ECQ Type ECQG
ECQV Type
1H:50V
0F:3.15V
05:50V
2A:100V
1A:10V
1:100V
2E:250V
1V:35V
2:200V
2H:500V
0J:6.3V
Part No.
Note:
(*1) When replacing IC611 or X501, make the adjustment
using PNZZTG4741M. Refer to How to download the data
(P.58) of Things to Do after Replacing IC or X'tal.
(*2) When replacing the base unit LCD, See How to
Replace the Base Unit LCD (P.48).
Type
ERC:Solid
ERDS:Carbon
ERJ:Chip
Ref.
No.
14
15
16
17
PC-HB
PS-HB
POM-HB
PS-HB
ABS-HB
PS-HB
PMMA-HB
PS-HB
92
Part No.
Part Name & Description Remarks
PNWP1TG4731H MAIN
P.C.BOARD
ASS'Y
(RTL)
(ICs)
C0DBEYY00102 IC
C2HBCY000080 IC(BBIC)
PNWI2TG4731H IC(FLASH)
PNWI1TG4731H IC(EEPROM)(*1)
(TRANSISTORS)
2SC6054JSL
TRANSISTOR(SI)
S
B1ACGP000008 TRANSISTOR(SI)
B1ABDM000001 TRANSISTOR(SI)
DSC7003S0L
TRANSISTOR(SI)
2SC6054JSL
TRANSISTOR(SI)
S
PSVTUMG11NTR TRANSISTOR(SI)
S
2SC6054JSL
TRANSISTOR(SI)
S
(DIODES)
PQVDMD5S
DIODE(SI)
DA2J10100L
DIODE(SI)
DA2J10100L
DIODE(SI)
PQVDPTZT2530 DIODE(SI)
S
B0ECKM000008 DIODE(SI)
B0DDCD000001 DIODE(SI)
B0DDCD000001 DIODE(SI)
(COILS)
G1CR10J00010 COIL
G1C7N5JA0044 COIL
(RESISTOR ARRAYS)
D1H410220001 RESISTOR ARRAY
EXB28V330
RESISTOR ARRAY
EXB28V103
RESISTOR ARRAY
D1H468020001 RESISTOR ARRAY
EXB28V101JX RESISTOR ARRAY
EXB28V101JX RESISTOR ARRAY
(VARISTOR)
PQVDDSS301L VARISTOR
(SURGE S
ABSORBER)
(RESISTORS)
PQ4R10XJ104 100k
S
PQ4R10XJ104 100k
S
D0GB103JA057 10k
D0GB473JA057 47k
ERJ3GEYJ394 390k
S
ERJ3GEYJ394 390k
S
PQ4R18XJ106 10M
S
ERJ3GEYJ334 330k
S
D0GA104JA021 100k
D0GB104JA057 100k
PQ4R18XJ272 2.7k
S
D0GA222JA021 2.2k
D0GA104JA021 100k
ERJ2GEJ474X 470k
S
ERJ3GEYJ911 910
D0GB104JA057 100k
D0GB473JA057 47k
ERJ14YJ120U 12
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
Safety
Ref.
No.
R164
R165
R167
R171
R172
R175
R176
R177
R178
R321
R322
R331
R332
R371
R372
R501
R502
R505
R510
R605
R606
R612
R651
R652
R654
R806
R807
R891
R892
Part No.
D0GB272JA057
ERJ3GEYJ273
D0GG270JA007
D0GA220JA021
D0GA104JA021
D0GA561JA021
D0GA101JA021
D0GA102JA021
D0GA102JA021
ERJ2RKF1400
ERJ2RKF1000
ERJ3EKF6802
ERJ3EKF3302
ERJ14YJ1R0U
ERJ14YJ1R0U
D0GB100JA057
D0GA330JA015
D0GA222JA021
D0GA102JA021
D0GA332JA015
D0GA332JA015
D0GA103JA021
D0GA681JA021
D0GA681JA021
D0GA222JA021
ERJ2GEJ471
ERJ2GEJ471
ERJ2GEJ471
ERJ2GEJ471
C101
C102
C111
C112
C113
C120
C121
C122
C123
C124
C132
C142
C151
C152
C161
C168
C171
C173
C175
C176
C178
C184
C186
C321
C341
C342
C343
C351
C476
C477
C478
C479
C501
C502
C503
C504
C505
C506
C507
C508
C509
C510
C511
F1K2H681A008
F1K2H681A008
F1J2A473A024
F1J2A473A024
PQCUV1A684KB
ECUE1H102KBQ
F1K2H681A008
F1K2H681A008
ECUE1H100DCQ
ECUE1H100DCQ
ECUV1H103KBV
ECUV1H103KBV
ECUE1H100DCQ
ECUE1C103KBQ
F1K1E1060001
ECUV1A225KBV
ECUV1H472KBV
ECUV1A224KBV
ECUE1H102KBQ
PQCUV0J106KB
ECUV1C223KBV
ECUV1A105KBV
ECUE1H100DCQ
ECUV1A105KBV
F2G0J3310025
ECUV1C104KBV
ECUE1H100DCQ
ECUV1C105KBV
ECUE1H100DCQ
ECUE1H100DCQ
ECUE1H100DCQ
ECUE1H100DCQ
ECUE1A104KBQ
ECJ1VB0G106M
ECJ1VB0G106M
ECUE0J105KBQ
ECJ1VB0G106M
ECUV1A105KBV
ECUV1A225KBV
ECUE1H100DCQ
ECUE1H120JCQ
ECUV1A105KBV
ECJ1VB0G106M
Safety
Part Name & Description Remarks
2.7k
27k
27
22
100k
560
100
1k
1k
140
100
68k
33k
1
1
10
33
2.2k
1k
3.3k
3.3k
10k
680
680
2.2k
470
470
470
470
(CAPACITORS)
680p
680p
0.047
0.047
0.68
0.001
680p
680p
10p
10p
0.01
0.01
10p
0.01
10
2.2
0.0047
0.22
0.001
10
0.022
1
10p
1
330
0.1
10p
1
10p
10p
10p
10p
0.1
10
10
1
10
1
2.2
10p
12p
1
10
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Ref.
No.
C512
C513
C514
C515
C516
C517
C518
C519
C520
C521
C522
C530
C601
C611
C661
C805
C806
C810
C811
C812
C813
C820
C822
C825
C826
C827
C859
C863
C891
C892
C893
C894
C895
C896
Part No.
Part Name & Description Remarks
S
E1
S
S
E2
E3
P101
F301
0.1
2.2
S
0.1
1
0.1
0.1
0.1
0.1
0.1
1
10p
S
10p
S
0.1
0.1
0.1
2.7p
2.7p
2.4p
10p
S
0.9p
2p
1.5p
10p
S
10p
S
10p
S
10p
S
2.2p
1.5p
5p
5p
10p
S
10p
S
1.2p
2.2p
(OTHERS)
L5DYBYY00021 LIQUID CRYSTAL DISPLAY
(*2)
PNHX1406Z
COVER, LCD SHEET
PNHR1386Z
GUIDE, LCD
ABS-HB
D4DAY220A022 THERMISTOR (POSISTOR)
K5H302Y00003 FUSE
X501
H0J138500011 CRYSTAL OSCILLATOR (*1)
S
S
S
S
S
S
S
ECUE1A104KBQ
ECUV1A225KBV
ECUE1A104KBQ
ECUV1A105KBV
ECUE1A104KBQ
ECUE1A104KBQ
ECUE1A104KBQ
ECUE1A104KBQ
ECUE1A104KBQ
ECUE0J105KBQ
ECUE1H100DCQ
ECUE1H100DCQ
ECUE1A104KBQ
ECUE1A104KBQ
ECUE1A104KBQ
F1G1H2R7A480
F1G1H2R7A480
F1G1H2R4A480
ECUE1H100DCQ
F1G1HR90A480
F1G1H2R0A480
F1G1H1R5A480
ECUE1H100DCQ
ECUE1H100DCQ
ECUE1H100DCQ
ECUE1H100DCQ
F1G1H2R2A480
F1G1H1R5A480
F1G1H5R0A480
F1G1H5R0A480
ECUE1H100DCQ
ECUE1H100DCQ
F1G1H1R2A480
F1G1H2R2A480
16.5.1.3. Operational P.C. Board Parts
S
Safety
Ref.
No.
PCB2
S
S
LED901
LED902
LED905
LED906
LED907
LED908
S
S
R901
R902
R903
R904
S
S
S
S
C901
C902
C903
S
S
S
S
S
S
S
93
Part No.
Part Name & Description Remarks
PNWP2TG4731H OPERATIONAL
ASS'Y (RTL)
(LEDS)
B3AAB0000347 LED
B3AAB0000347 LED
LNJ237W82RA LED
LNJ237W82RA LED
LNJ237W82RA LED
LNJ237W82RA LED
(RESISTORS)
D0GA271JA015 270
D0GA271JA015 270
D0GA271JA015 270
D0GA271JA015 270
(CAPACITORS)
ECUV1C105KBV 1
F1H1E1050001 1
ECUE0J105KBQ 1
P.C.BOARD
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
16.5.2. Handset
Safety
16.5.2.1. Cabinet and Electrical Parts
Safety
Ref.
No.
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
Part No.
C812
L4
Part Name & Description Remarks
PNGP1228Z1
PNYE1066Z
PNKM1257Z1
PNGT6432Z
L0AD01A00026
PNYE1065Y
PNBC1354Z1
PNJK1149Z
PNJT1027Y
PNJT1026Y
PNJK1150Z
PANEL, LCD
TAPE, DOUBLE SIDED
CABINET BODY
NAME PLATE
RECEIVER
SPACER, CUSHION LCD
BUTTON, NAVIGATOR KEY
KEYBOARD SWITCH
CHARGE TERMINAL (L)
CHARGE TERMINAL (R)
RUBBER
PARTS,
SIDE
SWITCH
PQHR11315Z
GUIDE, SPEAKER
L0AA02A00096 SPEAKER
PQHS10784Y
SPACER, SPEAKER NET
PQJC10056W
BATTERY TERMINAL
PNKE1131Z1
COVER, EP CAP
PNKF1229Z1
CABINET COVER
PNHR1588Z
OPTIC CONDUCTIVE PARTS,
LED LENS
PNQT2006Z
LABEL, ATTENTION
PNQT2335Z
LABEL, BATTERY
PNHS1079Z
SPACER, BATTERY
PNKK1066Z1
LID, BATTERY
PNYNTGA470BR LID, BATTERY ASS'Y
RA2
RA3
RA4
RA5
PMMA-HB
ABS-HB
L1
L3
L7
L10
L75
ABS-HB
VOL_DW
VOL_UP
ABS-HB
R2
R3
R4
R6
R7
R8
R9
R21
R22
R23
R24
R25
R26
R27
R28
R31
R32
R33
R34
R45
R50
R51
R60
R66
R67
R68
R69
R70
R73
R74
R80
R806
R807
L8
L9
ABS-HB
PS-HB
ABS-HB
ABS-HB
16.5.2.2. Main P.C. Board Parts
Note:
(*1) Reconfirm the model No. written on the handset's name
plate when replacing PCB100. Because the model No. of
the optional handset may differ from the included handset.
(*2) When replacing IC3 or X1, make the adjustment
using PNZZTG4741M. Refer to Handset (P.59) of Things
to Do after Replacing IC or X'tal.
(*3) When replacing the handset LCD, See How to
Replace the Handset LCD (P.50).
Safety
Ref.
No.
PCB100
IC1
IC3
IC4
Q2
Q3
Q4
Q5
Q6
Q9
D13
D14
D21
D22
DA801
LED1
LED2
LED3
LED4
LED5
LED6
LED11
Part No.
Part Name & Description Remarks
PNWP1TGA470R MAIN
P.C.BOARD
(RTL) (*1)
(ICs)
C2HBCY000081 IC
PNWITGA470BR IC(EEPROM)(*2)
C0DBZYY00357 IC
(TRANSISTORS)
B1ADCF000040 TRANSISTOR(SI)
B1ABGE000011 TRANSISTOR(SI)
B1ADCF000040 TRANSISTOR(SI)
DRC9113Z0L
TRANSISTOR(SI)
DRC9113Z0L
TRANSISTOR(SI)
2SC6054JSL
TRANSISTOR(SI)
(DIODES)
B0BC4R3A0006 DIODE(SI)
B0BC4R3A0006 DIODE(SI)
B0BC4R3A0006 DIODE(SI)
B0BC4R3A0006 DIODE(SI)
B0DDCD000001 DIODE(SI)
(LEDS)
B3ACB0000190 LED
B3ACB0000190 LED
B3ACB0000190 LED
B3ACB0000190 LED
B3ACB0000190 LED
B3ACB0000190 LED
B3ACB0000190 LED
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Ref.
No.
LED12
ASS'Y
C1
C2
C3
C4
C5
C6
C9
C10
C11
C12
C13
C14
C15
C16
C17
C18
C20
C21
S
94
Part No.
Part Name & Description Remarks
B3ACB0000190 LED
(COILS)
PQLQR4C8N2J COIL
G1CR18J00004 COIL
(RESISTOR ARRAYS)
D1H83314A013 RESISTOR ARRAY
D1H83314A013 RESISTOR ARRAY
D1H433220001 RESISTOR ARRAY
EXB28V332JX RESISTOR ARRAY
(IC FILTERS)
J0JCC0000286 IC FILTER
J0JDC0000045 IC FILTER
J0JCC0000276 IC FILTER
J0JCC0000286 IC FILTER
J0JCC0000286 IC FILTER
(SWITCHES)
K0H1BB000094 TACTILE SWITCH
K0H1BB000094 TACTILE SWITCH
(RESISTORS)
ERJ2GEJ303
30k
D0GA152JA021 1.5k
D0GA473JA021 47k
D0GA103JA021 10k
D0GA104JA021 100k
PQ4R18XJ3R3 3.3
ERJ2GEJ303
30k
D0GA104JA021 100k
D0GA332JA015 3.3k
ERJ2GEYJ391 390
ERJ2GEJ100
10
D0GA222JA021 2.2k
D0GA332JA015 3.3k
D0GA222JA021 2.2k
D0GA222JA021 2.2k
ERJ2RKF1003 100k
D0GA104JA021 100k
ERJ2RKF1003 100k
ERJ2GEYJ391 390
ERJ6RSJR10V 0.1
D0GA151JA021 150
D0GA151JA021 150
D0GA222JA021 2.2k
D0GA103JA021 10k
D0GA103JA021 10k
D0GA103JA021 10k
D0GA103JA021 10k
D0GA470JA021 47
D0GA330JA015 33
D0GA330JA015 33
D0GA101JA021 100
ERJ2GEJ471
470
ERJ2GEJ471
470
ERJ2GEJ100
10
ERJ2GE0R00
0
(CAPACITORS)
EEE0JA221WP 220
EEE0JA221WP 220
EEE0JA221WP 220
ECUE1H390JCQ 39p
ECUE1A104KBQ 0.1
ECUE1A104KBQ 0.1
ECUE1H390JCQ 39p
ECUE1H390JCQ 39p
ECUE1A104KBQ 0.1
PQCUV0J106KB 10
ECUE1A104KBQ 0.1
ECUV1C393KBV 0.039
ECUE1H390JCQ 39p
F1J0J2260002 22
ECUE1H100DCQ 10p
ECUE1H100DCQ 10p
ECJ1VB0G106M 10
ECUE0J105KBQ 1
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
Safety
Ref.
No.
C22
C23
C24
C25
C26
C27
C29
C30
C31
C32
C33
C34
C36
C37
C39
C40
C41
C42
C43
C44
C45
C46
C51
C52
C53
C56
C57
C58
C68
C69
C72
C73
C76
C77
C79
C80
C81
C82
C83
C84
C87
C88
C89
C90
C91
C92
C93
C96
C97
C801
C802
C803
C804
C805
C806
C810
C811
C813
C820
C822
C825
C826
C863
C897
L809
MIC100
E101
E102
E103
E104
E105
Part No.
Safety
Part Name & Description Remarks
ECUE1A104KBQ
ECUE1A104KBQ
ECUE0J105KBQ
ECUV1A225KBV
ECJ1VB0G106M
ECUE1H102KBQ
ECUV1A105KBV
ECUV1A105KBV
ECJ1VB0G106M
ECUE0J105KBQ
ECUE1A104KBQ
ECUE1H390JCQ
ECUE1A104KBQ
ECJ1VB0G106M
ECUE1H102KBQ
ECUE1A104KBQ
ECUE1A104KBQ
ECUE1H102KBQ
ECUE1A104KBQ
ECUE0J105KBQ
ECUE1A104KBQ
ECUE1H100DCQ
ECJ1VB0G106M
ECUE1H100DCQ
ECUE1H120JCQ
ECUE0J105KBQ
ECUE0J105KBQ
ECUE0J105KBQ
ECUE0J105KBQ
ECUE1A104KBQ
ECUE1H100DCQ
ECUE1H100DCQ
ECUE1H100DCQ
ECUE1H100DCQ
ECUE1H101JCQ
ECUV1C393KBV
ECUE1H101JCQ
ECUE1H471KBQ
ECUE1H100DCQ
ECUE1H102KBQ
ECUE1H102KBQ
ECUE1H100DCQ
ECUE1H100DCQ
ECUE1A104KBQ
ECUV1C105KBV
ECUE0J105KBQ
ECUV1C105KBV
ECUE1H100DCQ
ECUE1H100DCQ
ECUV1H100DCV
F1G1H2R0A480
F1G1H1R3A480
F1G1H1R8A480
F1G1H2R4A480
F1G1H2R4A480
F1G1H2R5A480
ECUE1H101JCQ
F1G1H1R6A480
F1G1H1R8A480
ECUE1H100DCQ
ECUE1H100DCQ
ECUE1H100DCQ
F1G1H1R8A480
F1G1H240A557
F1G1H1R0A480
0.1
0.1
1
2.2
S
10
S
0.001
S
1
1
10
S
1
0.1
39p
0.1
10
S
0.001
S
0.1
0.1
0.001
S
0.1
1
0.1
10p
S
10
S
10p
S
12p
S
1
1
1
1
0.1
10p
S
10p
S
10p
S
10p
S
100p
0.039
100p
470p
S
10p
S
0.001
S
0.001
S
10p
S
10p
S
0.1
1
1
1
10p
S
10p
S
10p
2p
1.3p
1.8p
2.4p
2.4p
2.5p
100p
S
1.6p
1.8p
10p
S
10p
S
10p
S
1.8p
24p
1p
(OTHERS)
L0CBAY000053 MICROPHONE
L5DYBYY00043 LIQUID CRYSTAL DISPLAY
(*3)
PNHX1569Z
COVER, DIFFUSION SHEET
PNHX1518Z
COVER, LCD SHEET
PNHR1587Z
TRANSPARENT PLATE, LCD
PMMA-HB
PNHR1586Z
GUIDE, LCD
ABS-HB
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Ref.
No.
E106
E107
CN4
F1
Part No.
Part Name & Description Remarks
PQHG10729Z
PNVE1002Z
K2HD103D0001
K5H252Y00002
X1
H0J138500003 CRYSTAL OSCILLATOR (*2)
RUBBER PARTS, RECEIVER
BATTERY TERMINAL
JACK
FUSE
ABS-HB
S
16.5.2.3. LED Board Parts
Safety
Ref.
No.
WLED
Part No.
Part Name & Description Remarks
(LED)
B3AFB0000370 LED
16.5.3. Charger Unit
16.5.3.1. Cabinet and Electrical Parts
Safety
Ref.
No.
200
Part No.
PNLC1029ZB
200-1
200-2
200-3
200-4
PNKM1258Z1
PNJT1105Z
PNKF1150Z1
PQHA10023Z
201
PNGT6446Z
Part Name & Description Remarks
CHARGER
UNIT
without
NAME
(RTL)
CABINET BODY
CHARGE TERMINAL
CABINET COVER
RUBBER
PARTS,
CUSHION
NAME PLATE
ASS'Y
PLATE
PS-HB
PS-HB
FOOT
16.5.3.2. Main P.C. Board Parts
Safety
Ref.
No.
PCB200
D1
J1
R1
R2
F1
Part No.
Part Name & Description Remarks
PNWPTGA470CH MAIN
P.C.BOARD
(RTL)
(DIODE)
B0ECKM000008 DIODE(SI)
(JACK)
K2ECYB000001 JACK
(RESISTORS)
ERJ14YJ1R0U 1
ERJ14YJ1R0U 1
(FUSE)
K5H302Y00003 FUSE
ASS'Y
16.5.4. Accessories and Packing Materials
Note:
(*1) You can download and refer to the Operating
Instructions (Instruction book) on TSN Server.
16.5.4.1. KX-TG4732B
Safety
Ref.
No.
A1
Part No.
Part Name & Description Remarks
PNLV226Z
AC ADAPTOR
A2
A3
A4
A5
P1
P2
PQJA10075Z
PNQX5092Z
PNKE1132Z1
PNKL1001Y1
PNPK3481001Z
PNPD1592Z
CORD, TELEPHONE
INSTRUCTION BOOK (*1)
HANGER, BELT CLIP
STAND, WALL MOUNT
GIFT BOX
CUSHION
ABS-HB
ABS-HB
16.5.4.2. KX-TG4733B
Safety
95
Ref.
No.
A101
Part No.
Part Name & Description Remarks
PNLV226Z
AC ADAPTOR
A102
A103
PQJA10075Z
PNQX5092Z
CORD, TELEPHONE
INSTRUCTION BOOK (*1)
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
Safety
Ref.
No.
A104
A105
P101
P102
Part No.
Part Name & Description Remarks
PNKE1132Z1
PNKL1001Y1
PNPK3482001Z
PNPD1593Z
HANGER, BELT CLIP
STAND, WALL MOUNT
GIFT BOX
CUSHION
ABS-HB
ABS-HB
16.5.4.3. KX-TG4734B
Safety
Ref.
No.
A201
Part No.
Part Name & Description Remarks
PNLV226Z
AC ADAPTOR
A202
A203
A204
A205
P201
P202
PQJA10075Z
PNQX5092Z
PNKE1132Z1
PNKL1001Y1
PNPK3483001Z
PNPD1594Z
CORD, TELEPHONE
INSTRUCTION BOOK (*1)
HANGER, BELT CLIP
STAND, WALL MOUNT
GIFT BOX
CUSHION
ABS-HB
ABS-HB
16.5.4.4. KX-TGA470B
Safety
Ref.
No.
A301
Part No.
Part Name & Description Remarks
PNLV226Z
AC ADAPTOR
A302
A303
P301
P302
PNQX5093Z
PNKE1132Z1
PNPK3490001Z
PNPD1648Z
INSTRUCTION BOOK (*1)
HANGER, BELT CLIP
GIFT BOX
CUSHION
ABS-HB
16.5.5. Screws
Safety
Ref.
No.
A
B
Part No.
XTB26+8GFJ
XTB2+8GFJ
Part Name & Description Remarks
TAPPING SCREW
TAPPING SCREW
16.5.6. Fixtures and Tools
Note:
(*1) See Equipment Required (P.51), and The Setting
Method of JIG (P.51)
(*2) When replacing the Handset LCD, See How to
Replace the Handset LCD (P.50)
Safety
Ref.
No.
Part No.
PQZZ1CD300E
PNZZTG4741M
PQZZ430PIR
PQZZ430PRB
Part Name & Description Remarks
JIG CABLE (*1)
BATCH FILE CD-ROM (*1)
TIP OF SOLDERING IRON
(*2)
RUBBER OF SOLDERING IRON
(*2)
T.I/N
KXTG4732B
KXTG4733B
KXTG4734B
KXTGA470B
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96
ORDER NO. KM41309642SE
F13
Telephone Equipment
em
pl
up
S
1
ent
Model No. KX-TG4732B
KX-TG4733B
KX-TG4734B
KX-TGA470B
Digital Cordless Answering System
B: Black Version
(for U.S.A.)
Please file and use this supplement manual together with the service manual for Model No.KX-TG4732B/
KX-TG4733B/KX-TG4734B/KX-TGA470B, Order No. KM41201526CE.
TABLE OF CONTENTS
PAGE
1 REPLACEMENT PARTS LIST--------------------------------- 2
1.1. REFERENCE CHART------------------------------------ 2
1.2. ORIGINAL AND NEW PARTS
COMPARISON LISTS------------------------------------ 2
© Panasonic System Networks Co., Ltd. 2013
Unauthorized copying and distribution is a violation
of law.
Downloaded from www.Manualslib.com manuals search engine
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
1 REPLACEMENT PARTS LIST
1.1.
REFERENCE CHART
Reason for Change
*The following items (1-8) indicate the reason for change. See the “Notes” column for each part in ORIGINAL AND NEW PARTS
COMPARISON LISTS.
1. Improve performance
Remarks:
*c: To share the parts with other models
2. Change of material or dimension
*f: To change an indication of a Name Plate
3. To meet approved specification
4. Standardization
5. Addition
6. Deletion
7. Correction
8. Other
1.2.
ORIGINAL AND NEW PARTS COMPARISON LISTS
Ref. No.
Part No.
Original (Old)
New
Main P.C.Board Parts (Handset)
C1
EEE0JA221WP
---------C3
EEE0JA221WP
---------Cabinet and Electrical Parts (Base Unit)
18
---------PNGT7048Z
Cabinet and Electrical Parts (Handset)
104
---------PNGT6775Z
Cabinet and Electrical Parts (Charger Unit)
201
---------PNGT6776Z
Part Name & Description
Pcs/ Remarks
Set
Notes
Time of Change
(Suffix)
CAPACITOR, 220µF
CAPACITOR, 220µF
0
0
*c
*c
6
6
V
V
-----
NAME PLATE (Made in Malaysia)
1
*f
5
Y
---
NAME PLATE (Made in Malaysia)
1
*f
5
Y
---
NAME PLATE (Made in Malaysia)
1
*f
5
Y
---
NM
KXTG4732B
KXTG4733B
KXTG4734B
KXTGA470B
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2
ORDER NO. KM41311798SE
F13
Telephone Equipment
em
pl
up
S
2
ent
Model No. KX-TG4732B
KX-TG4733B
KX-TG4734B
KX-TGA470B
Digital Cordless Answering System
B: Black Version
(for U.S.A.)
Please file and use this supplement manual together with the service manual for Model No.KX-TG4732B/
KX-TG4733B/KX-TG4734B/KX-TGA470B, Order No. KM41201526CE.
TABLE OF CONTENTS
PAGE
1 REPLACEMENT PARTS LIST--------------------------------- 2
1.1. REFERENCE CHART------------------------------------ 2
1.2. ORIGINAL AND NEW PARTS
COMPARISON LISTS------------------------------------ 2
© Panasonic System Networks Co., Ltd. 2013
Unauthorized copying and distribution is a violation
of law.
Downloaded from www.Manualslib.com manuals search engine
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
1 REPLACEMENT PARTS LIST
1.1.
REFERENCE CHART
Reason for Change
*The following items (1-8) indicate the reason for change. See the “Notes” column for each part in ORIGINAL AND NEW PARTS
COMPARISON LISTS.
1. Improve performance
Remarks:
*j : To meet the standards.
2. Change of material or dimension
3. To meet approved specification
4. Standardization
5. Addition
6. Deletion
7. Correction
8. Other
1.2.
ORIGINAL AND NEW PARTS COMPARISON LISTS
Ref. No.
Part No.
Original (Old)
New
Cabinet and Electrical Parts (Handset)
104
PNGT6775Z
PNGT7242Z
104
PNGT6432Z
PNGT7243Z
Part Name & Description
NAME PLATE (Made in Malaysia)
NAME PLATE (Made in Chaina)
Pcs/ Remarks
Set
1
1
*j
*j
Notes
4
4
Y
Y
Time of Change
(Suffix)
-----
NM
KXTG4732B
KXTG4733B
KXTG4734B
KXTGA470B
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2
ORDER NO. KM41401306SE
F13
Telephone Equipment
em
pl
up
S
-3
ent
Model No. KX-TG4732B
KX-TG4733B
KX-TG4734B
KX-TGA470B
Digital Cordless Answering System
B: Black Version
(for U.S.A.)
Please file and use this supplement manual together with the service manual and the supplement-1 for
Model No.KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B,Order No. KM41201526CE and
KM41309642SE.
TABLE OF CONTENTS
PAGE
1 REPLACEMENT PARTS LIST--------------------------------- 2
1.1. REFERENCE CHART------------------------------------ 2
1.2. ORIGINAL AND NEW PARTS
COMPARISON LISTS------------------------------------ 2
© Panasonic System Networks Co., Ltd. 2014
Unauthorized copying and distribution is a violation
of law.
Downloaded from www.Manualslib.com manuals search engine
KX-TG4732B/KX-TG4733B/KX-TG4734B/KX-TGA470B
1 REPLACEMENT PARTS LIST
1.1.
REFERENCE CHART
Reason for Change
*The following items (1-8) indicate the reason for change. See the “Notes” column for each part in ORIGINAL AND NEW PARTS
COMPARISON LISTS.
1. Improve performance
Remarks:
*m: Discontinued (To be replaced with a new part)
2. Change of material or dimension
3. To meet approved specification
4. Standardization
5. Addition
6. Deletion
7. Correction
8. Other
1.2.
ORIGINAL AND NEW PARTS COMPARISON LISTS
Ref. No.
Part No.
Original (Old)
New
Cabinet and Electrical Parts (Base Unit)
18
PNGT7048Z
PNGT7739Z
18
PNGT6443Z
PNGT7738Z
Part Name & Description
NAME PLATE (Made in Malaysia)
NAME PLATE(Made in Chaina)
Pcs/ Remarks
Set
1
1
*m
*m
Notes
8
8
V
V
Time of Change
(Suffix)
-----
KM
KXTG4732B
KXTG4733B
KXTG4734B
KXTGA470B
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2