Kenwood TK-3170 Service Manual page 56

J K
C/4
CP49
CP42
3
R46
8
C68 R98 R99
5 4
5 IC10
+
6 8 1
D28
R90
+
C57
R93
CN18
L M N
Ref. No. Address Ref. No. Address
IC1 10G
IC2 9E
IC3 10H
IC6 6C
IC7 7H
IC8 7K
IC9 5E
IC10 10J
TX-RX UNIT (X57-7010-XX) (B/4)
-10 : TK-3170 K -11 : TK-3170 K4 -14 : TK-3173 K
Foil side view (J72-0964-09 B/4)
R92
R95
A4
A3
A2
A1
NC
R239
NC
C185
TXD
NC
NC
MIC O
RA O
A6
A5
G
SB
RA I
MIC I
RXD
NC
TA1
CN80
to ext V
O P
PC BOARD
Ref. No. Address
Q1 8C Q15 5M
Q4 8B Q16 5N
Q5 8D Q17 8F
Q6 7C Q29 10G
Q7 6B Q34 9O
Q8 7B D1 8D
Q9 10I D2 8A
Q14 10I D14 8M
R91
CN60
R247
R246
G
D
S
Q34
5C
DATAO
ALT
DEO
LSDFO
RSSI
SP M
MDSW
G
C423
J72-0964-09 B/4
Q R
TK-3170/3173
Ref. No. Address
D15 5J
Component side
D16 5K
Layer 1
D17 10I
Layer 2
D24 5L
Layer 3
D25 5M
Layer 4
D26 5M
Layer 5
D27 5M
Layer 6
D28 10K
J72-0964-09
D/4
S
1
2
3
Foil side
4
5
(D/4)
6
7
8
GND
GND
KEY4O
KEY1I
9
KEY2I
KEY3I
KEY4I
10
11
12
13
55
14