Kenwood KDC-8021 Service Manual page 14

K L
PC BOARD(Foil side view)
X16-1600-10/1612-70 (J74-1311-12)
1
VOL B
R20
Q2
C11
R22 R22
2
C6
D12
R61
R63
L1
R9
R62
C2
R8
C3 X1
50 31
51 30
3
R6
R14
L2
L3
80 1
81 100
KS2(DO)
CP3 CP9
4
18 10
IC2 C9
C10
1 9
R3
C16
R35
C17
L5
CP10
1 16
C21
C23 C23
5 4 3 8 9
5 1
Q3 Q5
C22
Q4
L4
R33
J1
C19
13
6
FAC
SC REQ
DATA I/O
R11
1
MC REQ R12
MC CLK
R13
7
Refer to the schematic diagram for the value of resistors and capacitors.
M N
X25-9170-10/9182-70 (J74-1309-12)
R10
R11
R12
C150
E B
R48
R49
Q10
R18
X16-1600-10/1612-70
Ref. No. Address
C31
IC1 3L
IC2 4K
E B
IC4 5L
Q20
R1
E B
R34
C57
R126
C41
C109 C107
C108
R29
R133
R45
R132
R131
C102
R130
C101
R134
O P
X25-9170-10/918
Ref. No. IC8 IC16 Q10 Q14 Q17 Q18 Q19 Q20 Q21
Address 2P 3Q 3N 5M
R230 R231
4 3
1 2
R66 R64
R232
R65 R63
R118
R57 R60
R79
R56 R59
R55 R58
R96
R97
R98
R103
B E
R114
C46
R115
D21
C45 D22
E B
E B E B
Q33 Q34
E B
R193
R26 R23
R194
R192
E B E B
Q22 Q21
R191
R31
C35
C2
15
Q R
Q22 Q26 Q27 Q33 Q34 Q35 Q36 Q37 Q45 Q47 Q49 Q50
4O 3O 3O 4N 4O 4O 5Q 6Q 4D 4P 3Q
Q50
C152
E
B
D54 D52
R241
R240
R83 D60 D61
R84
C49
R85
R145 C125 C131
R87
R93 R148 R140 C130
R144 R143
R94 C129 R233
R95
R91
R99
C54
R100 R90
R147
R146
4 1
E B
B E
IC16
D27 Q35
5 8
W4
W3
W2
B E
W1
C87
C85 B E
C88
R155 R156
C86
C71 C73
C72 C74
B E
B E
TH1
S T
4R 4R 5S 4S 3S 2R
C151
E B
E B C119
R211
R214
R217
R218
R216
R220
16