Download Sharp GX30 Service manual

GX30
CONFIDENTIAL
GX30
Phone
Service
E
Market
Manual 4. DIAGRAMS
CHAPTER
[1] Block diagram
[Main]
RF I/F
VBAT
AFCDAC, PA
IC103
AD6535
ANALOG BASEBAND
IP, INQP,
QN
CLKON, GPO_1 (TXON),
GPO_9 (BS3), GPO_11(BS4)
GPO_16 (BS1) GPO_17(BS2)
GPO_18 (SYNTHEN)
GPO_20 (SYNTHDATA)
GPO_21 (SYNTHCLK)
CLKI
(13M
BASEBAND SECTION
DAC
Filter
GMSK
MOD
Filter
IC106
AD6529
DIG
Baseband
Serial
Port
DAC
Filter
ADC
Filter
ADC
Filter
RAMP DAC
Ramp RAM
BSIFS BSDI
BSOFS BSDO
GPO_1 (TXON),
GPO_0 (RXON),
GPO_5 (ASM)
AFC DAC
LIGHT1
LIGHT2
LIGHT3
For BATTERY
TH101
THERMISTOR
REFCHG
Light Controller
TEMP2
Control
Serial
Port
TEMP1
TH701
THERMISTOR
For CAMERA
REFOUT
GPO_29(RESETABB)
x3
AUXADC2
AIN3L
Voltage Reference
BUFFER
CLKOUT
(13MHz)
AUXRILY SECTION
GPIO_36
Tone Generator
AOUT3R
D
AOUT3L
D
MIC100
MICROPHONE
AIN2P/AIN2N
GPIO_7(Headset SW detect)
DAC
Filter
ADC
VMIC
LDO
USB_VBUS
VABB
LDO
9
RESET
VCHG
VUSB
LDO
BATTERY
CHARGER
REGULATOR
CONTOROL
IC116
RQ5RW45B
REG
4.5V
SIM
LDO
Q504
VMEM
LDO
VCORE
LDO
VHGOSC, GATEDR
CHGDACREF, ISEN
REFCHG, VBATSEN
GPIO_11
KEYPADROW[4:0]
KEYPADCOL[4:0]
GPIO_10(DETECT)
VINT
Manufacture(GPIO_09)
VUSB
GPIO_39
(USB_PU_Control)
GPO_4
VEXT
LDO
KEYOUT
VCXO
LDO
VAPP
LDO
D505
PWRON
(DBBON),
CLKON
(VCXOEN)
(LDOEN)
KEYON
VBAT
MODESEL2
7
nRESET
IC108
R3112Q261A
VOLTAGE
DETECTOR
2.6V
POWER ON
RESET GENERATOR
FLIP-KEY
VSIM
SIMD
SIMC
GPIO
LIGHT3
SIM
CARD
POWER-UP
KEY
KEY PAD
BACK LIGHT
USB_VBUS
3.0V / (1.8V)
KEYPAD:5 x 5
VIN
LIGHT2
8
2
4
CN502
EXTERNAL CONNECTOR
5
1
Figure 1 MAIN BLOCK DIAGRAM (1/2)
4–1
EN
IC507
TC7SET00FU
LOGIC
5.2V/600mA
from AC/DC CHARGER
3
VINT
Filter
POWER MANAGEMENT SECTION
IC502
BU7870KN
USB CONTROLLER
6
ASFS ASDI
ASDO
Audio
Serial
Port
VRTC
LDO
MODESEL1
USB D+
Filter
DAC
AUDIO SECTION
VMIC
VBACK
LDO
GPO_19(MODESEL3)
USC[1](RxD)
GPIO_48(Hook SW detect)
GPIO_8(Stereo / MONO DEC)
USC[0](Genie_Tx)
USC[5](CTS/Genie_Tx)
USC[2](TxD)
REG
3.0V
USC[4](RTS/Genie_Rx)
IC508
817A30NB
USB D-
PGA
PGA
VUSB
USC[6](GPIO_31
/Genie_Rx
/RTC_monitor)
PGA
AIN1P/AIN1N
JK101
HANDS FREE
CONNECTOR
Se
num
AIN3R
Analog SW
AOUT1P/1N
BO
R
GPIO_37
(Interrupt)
INTERRUPT LOGIC
A
EP100
RECEIVER
VVCXO
MCU
MCLKEN
REFEN, REF
VCORE
CSFS CSDI
CSDO
AUX ADC
10
IC503
TK73840
REG
for USB p