Kenwood TK-880 Service Manual page 57

A B C D
TK-880
PC BOARD VIEW
1
Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address
IC1 9M IC12 9I Q7 10O Q23 10J
IC2 13G IC13 6G Q9 8B Q24 10J
IC3 10E IC15 9C Q11 7G Q25 9C
2
IC4 9E IC200 12Q Q12 7H Q26 10D
IC6 6N IC400 2K Q15 12K Q27 7D
IC7 9G Q1 8E Q18 11J Q28 7E
IC8 10G Q2 9K Q20 5H Q29 6O
IC9 8D Q3 9J Q22 9C Q30 8D
3
R181
4
R182
C195
5
SP
C196
C197
C151 R148
C198
R106
C143
C142
6
PA
C89
C80
7
Q9
8
Q30
D21 D20
R116
D26
Q25
8 7
9
Q22
R140 C134
IC15
R145
R144
10 14 1
R137
HOR
LOK
PSW
SB
11
12
13
57
14
E F G H
TX-RX UNIT (X57-6152-70) (A/2) Foil side view : E
Ref. No. Address Ref. No. Address Ref. No. Address
Q31 8D D4 13D D22 11J
Q201 10R D5 13E D23 11H
Q202 7N D6 12C D24 7E
Q204 7L D15 11O D26 9C
Q205 7J D16 7C D27 6Q
D1 13D D17 13E D28 8B
D2 13C D20 8C D30 6R
D3 13C D21 8C D31 8C
C111
B
C
E
+
C121 Q20
C130
C144
IC13
I
G
SB
O
C120
TR
C119 +
Q12
C78
B
8R C
E
IC9
Q1
G
I
D
S
G
R39
O
R36
9 8
C65
R70 DT
IC7
1
16
R411
ES
9
8
C24
R406
IC8
CK
1
16
E
DEO RD2 5C C4 C3
+
C42
TD2 RD1 SQ OP
C2 C1
TD1 FW
D35
R64
R31 R22
1 8
IC2
4 5
R19
I J K L
IC400
1 2 3
DB
C255
R206
C409
C435
R203
C253 C430
C431
C248
C252
E
L219
C
B C251
Q204
Q205
C249
8T
C250
C442
D207
5C
C117
+
C116
DT EP
8C
9C
CP
R28
+
C35 R29
+ C455
W/N
LD
BPO
BP
R130
D23
DEO
QAD
R131
KEY
R107
Q15
R163
C160 R104
TP3
DM
M N O P
Ref. No. Address
D34
D35 12G
D200
D207
D209
D210
4 5
D209
5 4
IC6
Q29
R239
8 1
C247 C287
R52
C44
H/L
E
C
R231
B
2 3
Q202
1 4 L214
R238
5 4 R403
MB IC1 R62
8 1
ST
C52
R165
R27 R26 R164
C55
C25 HT
R34
C27
E
C30
9CL
L3
8CL
R69
MD
D15
C49
X1
CV
C47
R56
R170 C67
R79
R82 R83
TP4
Q R S
8C
9R
Component side
7L
Pattern 1
5N
Pattern 2
6P
Pattern 3
Pattern 4
Foil side
ANT E ANT
C135
R147
R159
C145 C148
TV
D200
C283
C282 C274
L206
L205
R213
C205
C275
C206
R211
TP1
L210 TP2
C227
L212
J72-0725-12 A/2