Download KMC-41 - KenwoodLabs

SPEAKER MICROPHONE
KMC-41
SERVICE MANUAL
© 2008-3 PRINTED IN JAPAN
B51-8816-00 (N) 709
Lever (PTT)
(D10-0654-08)
Dressed screw (Universal)
(N08-0566-08)
Plastic cabinet assy
(A02-4050-08)
Curl cable assy
(E30-7657-08)
SPECIFICATIONS
Microphone
Impedance.............................................................................................................................. 2.2kΩ (MAX)
Sensitivity ....................................................................................................................–65dB±4dB at 1kHz
Speaker
Impedance.....................................................................................................................16Ω±15% at 1kHz
Rating input ........................................................................................................................................0.5W
Maximum input ..................................................................................................................................1.5W
Dimensions (W x H x D) ................................. 67.8 x 91.5 x 43.3 mm (2-21/32 x 3-9/16 x 1-23/32 inches)
Weight ......................................................................................................................... Approx. 260g/9.2oz
This product complies with the RoHS directive for the European market.
This product uses Lead Free solder.
KMC-41
DISASSEMBLY FOR REPAIR
1. Removing the cable ASSY
1) Pull out the holder that is set into the fixing bracket of
the cable ASSY, using a pair of pliers.
Holder
3) Following the procedure below, pass through the connector part of the cable ASSY into the hole of the front
case (waterproof line part).
(1) Move the three lead wires soldered onto the PCB to
the upper corner of the hole.
(2) The yellow lead wire side of the connector comes in
the inside of the front case.
White lead wire
Fixing bracket
Waterproof line
Cable ASSY
Three lead wires
Yellow lead wire
Fig. 1
2) Completely peel off the bond (*1) glued to the cable
ASSY, using a set of nippers.
Note: Please be careful not to damage the coating of the
cable ASSY and the waterproofing line of the front case.
*1: Use the following bond:
• Manufacture name: Shin-Etsu Chemical Co., Ltd.
• Bond name: Shin-Etsu silicone One-component RTV
silicone rubbers Alcohol type KE-4898-T
Fig. 3
(3) Push the cable ASSY to the earphone jack side with
the connector part bent as shown in the figure, then
hook the end of the connector (white lead wire side)
into the outside corner of the hole, using your finger.
(4) Pass the connector through the hole, pushing the
connector (yellow lead wire side) using a pair of tweezers or similar tool.
Note: Attach adhesive tape or rubber to the end of
the tweezers so as not to damage the connector of
the cable ASSY.
Bond
Yellow lead wire
Fig. 4
4) Pull the cable ASSY, then remove the cable ASSY from
the front case by passing the connector part through the
hole of the front case.
Fig. 2
Fig. 5
2
KMC-41
DISASSEMBLY FOR REPAIR
2. Installing the cable ASSY
1) Pass the connector part of cable ASSY through the hole
of the front case.
2) Move the three lead wires soldered onto the PCB to the
upper corner of the hole.
6) Push the cable ASSY to the inside of the case, then insert the fixing bracket of the cable ASSY to the hole of
the front case.
7) Fit the holder to the fixing bracket of the cable ASSY.
Holder
Three lead wires
Fixing bracket
Connector part of cable ASSY
Fig. 6
3) Make sure the yellow lead wire side of the connector is
in the inside of the front case.
Yellow lead wire
Fig. 7
4) Push the connector (yellow lead wire side) to the lower
corner of the hole using a pair of tweezers.
Note: Attach adhesive tape or rubber to the end of the
tweezers so as not to damage the connector of the cable
ASSY.
5) Pass the connector through the hole by pushing the connector (white lead wire side) using a pair of tweezers or
similar tool.
Fig. 9
8) Insert the cap in the earphone jack hole of the front case.
9) Apply the bond (*1) at the position shown in the figure,
then firmly attach the cable ASSY and case.
Note: Take care not to apply the bond to the waterproofing line of the front case.
*1: Use the following bond :
• Manufacture name: Shin-Etsu Chemical Co., Ltd.
• Bond name: Shin-Etsu silicone One-component RTV
silicone rubbers Alcohol type KE-4898-T
Bond
Fig. 10
Yellow lead wire
Fig. 8
3
14
12
10
8
6
4
2
13
11
9
7
5
3
L6
L92-0162-05
L13
L92-0162-05
L12
L92-0162-05
L92-0162-05
L10
L9
L92-0408-05
L92-0163-05
L11
L8
L92-0163-05
L92-0408-05
L2
L7
L92-0408-05
TXLED
5V
PF
PTT
E
MICE
MIC
SP-
SP+
L92-0140-05
1
TX_LED
2
PF
3
E
4
PTT
5
SP-
6
SP+
7
5V
L92-0138-05
L103
L104
8
MICE L92-0140-05
9
MIC
C104
0
10u
CK73FB0J106K
8
V+
1
1
R108
R109
1u
CK73GB1A105K
C121
470p
C103
C108
470p
R116
10k
10k
68k
R105
7
+
–
47p
C117
6
–
+
L101
3
CN101
C119
C116
1000p
C101
1000p
MAIN UNIT
IC101 NJM3404AM
C120
5
V4
R114
R107
C109
2.7k
12k
C106
1u
R102
R106
100k
R113
2.7k
1k
R103
1k
1u
CK73GB1A105K
C107
22k CK73GB1A105K
R104
2.2k
R101
1u
CK73GB1A105K
4
C105
SUB UNIT
27k
R111
10k
R110
0
R112
1
CN154
2
CN153
PF1
PF2
SP
main MC
EC MC
KMC-41
SCHEMATIC DIAGRAM
1u
CK73GB1A105K
470p
2
470p
0.01u
C118
KMC-41
EXPLODED VIEW
711x4
22
710x5
7
12
2
12
16x2
704x3
14
708
30
703
702
29
701
705x2
26 25x2
1
20
21
706
28
17
13
23
4
717
712
714
713
5
715
716
9
15
18
10
A
Parts with the exploded numbers larger than 700 are not supplied.
5
KMC-41
PARTS LIST
KMC-41 (Y58-4000-20)
New
Ref. No. Address parts
Parts No.
Description
Destination
KMC-41
1
2
✽
✽
A02-4050-08
A82-0073-08
PLASTIC CABINET ASSY
REAR PANEL
4
5
✽
✽
B43-1616-08
B43-1618-08
BADGE (KENWOOD)
BADGE (KMC-41)
7
✽
D10-0654-08
LEVER (PTT)
9
10
✽
✽
E11-0712-08
E30-7657-08
3.5D PHONE JACK
CURL CABLE ASSY
12
13
14
15
16
✽
✽
✽
✽
✽
G10-1358-08
G10-1386-08
G11-4450-08
G11-4452-08
G13-2241-08
FIBROUS SHEET
FIBROUS SHEET (PHONE JACK)
SHEET (LEAK TEST)
SHEET (PHONE JACK)
CUSHION (PTT)
17
18
✽
✽
G53-1779-08
G53-1784-08
PACKING (PTT)
PACKING (BOTTOM CAP)
20
21
22
23
✽
✽
✽
✽
J19-5515-08
J26-2003-08
J29-0740-08
J99-0729-08
HOLDER (PTT)
PRINTED WIRING BOARD ASSY
BELT HOOK ASSY
ADHESIVE SHEET (JACK COVER)
A
✽
N08-0566-08
DRESSED SCREW (UNIVERSAL)
25
26
✽
S70-0471-08
S70-0511-08
TACT SWITCH (PF)
TACT SWITCH (PTT)
✽
T07-0359-18
T91-0584-08
T91-0660-08
SPEAKER
MIC ELEMENT (MAIN MIC)
MIC ELEMENT (SUB MIC)
28
29
30
2967-3, Ishikawa-machi, Hachioji-shi, Tokyo, 192-8525 Japan
P.O. BOX 22745, 2201 East Dominguez Street, Long Beach,
CA 90801-5745, U.S.A.
Amsterdamseweg 37, 1422 AC Uithoorn, The Netherlands
Via G. Sirtori, 7/9 20129 Milano, Italy
6070 Kestrel Road, Mississauga, Ontario, Canada L5T 1S8
Bolivia, 239-08020 Barcelona, Spain
Rembrücker Str. 15, 63150 Heusenstamm, Germany
Leuvensesteenweg 248 J, 1800 Vilvoorde, Belgium
(A.C.N. 001 499 074)
16 Giffnock Avenue, Centrecourt Estate, North Ryde, N.S.W. 2113 Australia
L’Etoile Paris Nord 2, 50 Allée des Impressionnistes,
Bp 58416 Villepinte, 95944 Roissy Ch De Gaulle Cedex
Unit 3712-3724, Level 37, Tower one Metroplaza, 223 Hing Fong Road,
Kwai Fong, N.T., Hong Kong
KENWOOD House, Dwight Road, Watford, Herts.,
WD18 9EB United Kingdom
1 Ang Mo Kio Street 63, Singapore 569110