Kenwood TK-3170 Service Manual page 55

J K
S1
AUX
1 16
IC5
R31
8 9
R106
R245
CN8
C190
R105 R101
R104 R100
C78
R122
R103
5 4
C102
IC11
SPLO
8
1
CN62
SPLI
10
C93
9
C117
C13
R156 C98
1
R157
32
C127
R171
R165
C134
R251
C192
C135 R164
C176 C122
R149
R181
C100
S
D
G
R175
R193 R192
C155 C154
R194
R195
R206
R207
R178
R177
R199
C158
R200
1 8
C182
IC17
C181 4 5
L M
TX-RX UNIT (X57-7010-XX) (C/4) Component side view (J72-0964-19 C/4)
-10 : TK-3170 K -11 : TK-3170 K4 -12 : TK-3170 K3 -13 : TK-3170 K6
-14 : TK-3173 K -21 : TK-3170 M -22 : TK-3170 M3
S2
PTT
TX-RX UNIT (X57-7010-XX) (B/4) Component side view (J72-0964-19 B/4)
-10 : TK-3170 K -11 : TK-3170 K4 -12 : TK-3170 K3 -13 : TK-3170 K6
-14 : TK-3173 K -21 : TK-3170 M -22 : TK-3170 M3
L5
1 16
L4
L3 IC4
L2
8 9
R40
R37
R180
4 3
Q24
C153 6 1
C29
C28
C149
C26
+ C201
R196
BLK
C169 R261
Q27
RED
WHT
BLU
R220
R212
5MS OPTDET MICIN
L10
C166
R218
+
R204
PTTO
PTT/RXD
R213
R203
N O P
PC BOARD
R68
GND
GND
KEY4O
KEY1I
KEY2I
KEY3I
KEY4I
R72
MIC
SPO
SPI
R202
AE
Q R
TK-3170/3173
J72-0964-19 C/4
S3
SW1
CP13 CP18 CP24
CP12 CP16 CP23
ED1
TXD
NC
PTTI
TXD
(RXD)
S
1
2
S4
SW2
3
4
5
COM4
6
COM3
COM2
COM1
S34
S33
S32
7
S31
S30
S29
S28
S27
S26
S25
8
S24
S23
S22
S21
S20
S19
9
S18
S17
S16
S15
S14
S13
10
S12
S11
S10
S9
S8
S7
S6
11
S5
S4
S3
S2
S1
12
13
55
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