Pc Board; Tx-Rx Unit (X57-7580-Xx) - Kenwood TK-3302 Service Manual

A B
TK-3302/3302
1

TX-RX UNIT (X57-7580-XX)

-20: TK-3302 K,M,P TK-3302(U) K TK-3306 M -23: TK-3306 M3
2
Component side view (J79-0187-09)
3
F301
C303
4
BATT+
5
MDSW
6
C318
CN302
RESET
CN303
R317
MODE
7
R319
C337
8
L304
C414
9
GND
10
11
12
13
32
14
C D
U /3306
( )
RXD TXD
A1 A4
A2
A6
A5
A3
1 8
CP301
C212
THDET
4 5
R309
R310
C331
80
1
VOX
20
21
QTI
R3
R2
CP303
R21
SB
Ref. No. Address Ref. No. Address
IC1 9G Q104 4M
IC101 4N Q107 3M
IC301 6B Q108 3M
IC303 6H Q109 4M
IC305 5C Q201 5G
IC306 7D Q301 6P
IC309 7O Q302 6P
Q1 8H Q303 5I
E F

PC BOARD

B
GND
5R
AFMUTE
R201
AFCONT
5C
61
60
PTT
R316
MOD
LD
41
40 11
C3
5M
20
Ref. No. Address Ref. No. Address
Q304 6I Q316
Q305 7B D101
Q306 8B D303
Q307 8H D304
Q312 8P
Q313 7P
Q314 8O
Q315 8O
G H
GND
W/N
C321
5
1
IC303
3
4
C310
C339
Q1
R324
C45
10
C44
R12
R17
+
+
1
8O
4M
8S
8S
I J
MIC301
+ –
Q304
R26 R30
R27
LV
R20
+