Kenwood TK-3170 Service Manual page 27

A B C D
TK-3170
PC BOARD
1
Ref. No. Address Ref. No. Address
IC4 6M IC17
Component side
2
IC5 6J IC18
Layer 1
IC11 8K IC19
Layer 2
IC12 7J Q12
Layer 3
IC13 9J Q13
Layer 4
IC14 9K Q19
3
Layer 5
IC15 7H Q21
Layer 6
Foil side IC16 12I Q22
4
TX-RX UNIT (X57-7012-XX) (B/4) -71 : E -72 : E3 -73 : E4 -74 : E6
Component side view (J79-0084-09 B/4)
5
(D/4)
6
7
8
9
10
11
J79-0084-09
12
D/4
J79-0084-09 B/4
13
14
E F G H
Ref. No. Address Ref. No. Address Ref. No. Address
12K Q23 8N Q32 10G D12 8D
8M Q24 7M Q33 7J D13 10D
12G Q25 12K Q35 9M D29 11H
7I Q26 12K D4 7I D30 10K
6I Q27 9M D5 8N D31 10J
10H Q28 9N D7 10N D32 10I
10K Q30 11J D8 8F D33 12N
11I Q31 8G D9 10F
CN79
SB
R173
R144
C128
R140
C186
R242
C112 R151
RSSI C84
R130
D29
C95
R225
I J K L
S1
AUX
C129
1 16
CN63
DI9
IC5
R63
E
R31
Q13 C
8 9
R106
B R245
CN8
C190
R61
R101
R166 R105
C28
C119
C26
R104 R100
C78
R122
R147
R103
R153
5 4
C99
C102
IC11
R131
SPLO
8 1
R129 CN62
SPLI
16 10
R132
C93
17 9
C117
C118
IC13
R156 C98
25 1
R157
26 32
BLK
C127
R171
R165
C126
C106
C134
R158
RED
R251
R160
C192
R111
C120
R112
C135 R164
C121
C176
C122
WHT
R146 D32 R149
R181
R236
C100
G
D Q30
S
BLU
S C133
D
Q22 G
R175
13 12
R193 R192
C155 C154
R194
R195
R206
R178
IC16
+
R177
R199
C158
R200
1 8
C182
IC17
24 1
C181 4 5
M N O
PC BOARD
TX-RX UNIT (X57-7012-XX) (C/4) -71 : E -72 : E3 -73 : E4 -74 : E6
Component side view (J79-0084-09 C/4)
S2
PTT
TX-RX UNIT (X57-7012-XX) (B/4) -71 : E -72 : E3 -73 : E4 -74 : E6
Component side view (J79-0084-09 B/4)
L5
1 16
L4
L3 IC4
L2
8 9
R40
R37
R180
4 3
Q24
C153 6 1
C29
R68
C149
+ C201
GND
R196
GND
KEY4O
KEY1I
KEY2I
C169 R261
KEY3I
Q27
KEY4I
C196
R72
R212
5MS OPTDET MICIN MIC
L10
C166
R218
R204
PTTO
SPO
PTT/RXD
SPI
R202
AE
R213
R203
P Q R S
TK-3170
1
2
J79-0084-09 C/4
S3
S4
SW1
SW2
3
4
5
COM4
CP13 CP18 CP24
6
COM3
COM2
COM1
S34
S33
CP12 CP16 CP23
S32
7
S31
S30
S29
S28
S27
S26
S25
8
S24
S23
S22
S21
S20
ED1
S19
9
S18
S17
S16
S15
S14
S13
10
S12
S11
S10
S9
S8
S7
S6
11
S5
S4
S3
S2
S1
12
TXD
NC
PTTI
TXD
(RXD)
13
14