Kenwood TK-3302 Service Manual Supplement page 37

A B C D
TK-3302
PC BOARD
1
TX-RX UNIT (X57-7580-XX) -22: K2,M2 -23: K3
2
Component side view (J79-0187-09)
3
F301
RXD TXD
C303
4
A1 A4
A2
BATT+
A5
A3
1 8
5
CP301
THDET
4 5
R309
MDSW
R310
C331
6
C318
CN302
80
RESET
1
CN303
R317
MODE
7
R319
VOX
C337
8
20
L304
21
QTI
C414
9 R2
R21
GND
SB
10
11
Ref. No. Address Ref. No. Address
IC1 9G Q104
IC101 4N Q107
12
IC301 6B Q108
IC303 6H Q109
IC305 5C Q201
IC306 7D Q301
IC309 7O Q302
13
Q1 8H Q303
14
E F G
B
GND
5R
A6
AFMUTE
W/N
R201
C212
AFCONT
5C
61
60
PTT
R316
MOD
Q1
LD
41
40 11 10
C3
R3
CP303
5M
20 1
Ref. No. Address Ref. No. Address
4M Q304 6I Q316 8O
3M Q305 7B D101 4M
3M Q306 8B D303 8S
4M Q307 8H D304 8S
5G Q312 8P
6P Q313 7P
6P Q314 8O
5I Q315 8O
H I J K
GND
PCTV
MIC301
+ –
5T
C321
5
1
IC303
Q304
3
4
C310
C339
R324
C45
R26 R30
R27
C44
5M
LV
R12
R17 R20
+ +
+
L M N O
TX-RX UNIT (X57-7580-XX) -22: K2,M2 -23: K3
Component side view (J79-0187-09)
Q108
G L302
D
R135 C154
S
C325
Q107
R302
B
Q109 R303
C304
C136
R118
R120
R123
R126
C395
C400
R381
6
10
SP–
C397
A
SP+
Q316
R389
R387 G
D
C404
S
OPTDET MICIN MIC
C409
CP304
R385 C415
SPO
R388
TXD
PTT/RXD
SPI
AE NC
A: Green speaker wire soldering position.
B: Brown speaker wire soldering position.
P Q R S
TK-3302
PC BOARD
J79-0187-09
C315
C313
ANT
C311
C307
C305
CN301
Q301
Q302
C396
5
1
R378
R377
R307 D303
R383
R308 D304
+
C405
Component side
Layer 1
Layer 2
Layer 3
Layer 4
Foil side
1
2
3
4
5
6
7
8
9
10
11
12
13
14