Kenwood KDC-9090R Service Manual page 8

Kenwood kdc-9090r cd receiver service manual
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J
K
PC BOARD (Component Side View)
1
ELECTRIC UNIT
ELECTRIC UNIT
(X25-8742-71)
X25-8742-71 (J74-1142-02)
R
e
. f
N
O
.
A
d
d
e r
s s
C I
Q
1
3
N
2
4
L
3
5
O
2
4
6
L
5
4
M
6
3
O
7
4
N
8
4
M
1
0
5
N
1
1
4
N
1
2
4
N
1
4
3
L
1
5
2
L
1
6
3
O
1
5
P
3
2
4
O
3
3
N
4
4
P
CN7
1
5
5
P
7
B E
6
5
P
7
5
O
F/E
8
5
O
9
2
L
24
1
0
2
O
1
1
2
O
1
2
2
O
4
1
3
2
O
1
4
4
N
1
5
5
O
1
6
4
O
1
7
4
O
1
8
3
O
1
9
3
O
2
0
3
O
2
1
3
O
2
2
3
O
2
3
3
O
2
4
5
O
5
2
5
5
O
1
2
6
5
N
2
7
5
M
CN4
2
8
5
M
2
9
5
N
WH1
L7
3
0
4
O
3
1
5
O
3
2
4
M
3
3
4
N
3
4
3
L
3
5
4
L
3
6
4
L
6
3
7
5
N
3
8
5
N
3
9
4
N
4
0
4
N
4
1
4
N
4
2
4
N
4
3
5
L
4
4
5
L
4
5
4
L
4
6
4
L
5
1
3
L
5
2
3
K
7
9
L
M
Front
D4
R9
E
B
C9
Q9
5
1
2
13
1
IC15
1
12
2
6
10
CN6
C147
Q51
C148
B
E
R84
R216
R86
R231
R215
D48
D46 D45
D44
R230
R214
C142
R89
1
16
R90
C145
R95
C146
C144
SMTR
R94
IC14
IFC-OUT
R109
NOISE
R102
C49
C50
C51
8
9
C143
CLK
L14
E B
R140
R141
R145
8
1
Q36
R146
DATA
D26
C52
R144
IC8
D21
C55
E B
D25
4
C76
C54
5
C77
C53
C66
W4
L13
W3
W6
R98
C65
C79
C78
Q35
14
C86
15
W5
L12
44
B E
34
W2
1
33
W1
L11
IC2
C75
C99
C91
C73
L10
C63
C89
C72
11
C92
Q45
23
B E
22
C90
12
Q46
C70
C68
C74
C93
C69
28
1
C81
L9
C60
B E
C61
C67
Q44
L6
D15
C114
C36
C119
C117
C120
C118
E B
1
3
C115
C34
C150
R204
D31
C116
D30
TH1
1
25
D38
24
2
IC4
N
O
D24
D23
D22
C200
8
1
CN3
CN5
22
21
RST
R220
R221
R24
R66
75
51
R88
Q18
76
B E
50
L5
R91
C28
E
Q19
B
C27
X1
2
1
B
E
IC1
R30
Q20
IC16
C43
5
4
R31
R108
3
4
100
8
E
X2
B E
C42
C33
26
R110
B
1
1
R125
25
R3
Q22
Q21
R113
R32
E
B
C31
R114
Q17
Q3
C32
TEST
C40
R23
R182
D9
4
1
B
14
C23
1
Q42
IC12
R188
B
B
Q41
R187
E
E
IC7
E
R185
5
8
R21
C6
R181
R171
W9
C37
7
8
1
4
R175
C105
C106
Q39
D7
R177
IC11
R178
Q40
8
E B
R176
5
W10
D8
R172
R162
W8
E
B
C22
C94
C100
4
1
R166
Q8
Q38
R168
R17
IC10
B E
Q7
R167
R20
Q15
R48
5
8
Q37
R161
R165
W7
Q31
E
Q26
B
D17
R34
B E
B E
E
B
Q25
B
E
R46
D1
R36
R19
R15
R33
R45
L1
C38
R169
C1
6
1
8
16
9
C2
J1
C95
Refer to the schematic diagram for the values of resistors and capacitors.
10
P
Q
SWITCH UNIT
X13-9972-70 (J74-1134-02)
C8
A1
R18
Q10
E
B
R17
KR1
Q11
KS3
Q12
C19
6
Q13
R3
R10
C14
1
R25
R11
C11
R26
C26
R28
C25
R27
C30
IC6
R29
B E
C11
C15
Q23
C24
C10
L2
E1
C13
C3
CLK
DO
D2
B
C4
B
E
Q30
C17
C15
C5
E
E
C18
D2
B
W100
E
B
Q5
I
C8
G
B
3.3V
O
Q3
B
E
R6
FAC
E
Q5
E B
SCREQ
DGND
CN2
P RESET
2
SC DATA
C107
C108
MC CLK
1
R37
MC
REQ
FAC
R179
FL GND
RST
1
R170
R180
1
9
ANA
KS2
FL+B
CN1
KR2
R9
R8
C6
Q8
C96
C102
C101
KS1
S.GND
R
SWITCH UNIT
(X13-9972-70)
R19
B
E
R21
B E
R
e
. f
N
O
.
A
d
d
e r
s s
B
E
C I
Q
1
3
Q
S3
R26
2
2
Q
CP1
L12
3
2
Q
D4
4
4
Q
R35
5
4
Q
6
2
Q
D5
2
2
Q
3
5
Q
4
2
R
5
5
Q
CP3 CP2
DI
6
2
Q
R24
7
2
Q
8
6
Q
X1
L1
R29
VDD
IC4
CP17
CP20
CP18
CP19
R12
R14
CP4
CP21
R40
D3
R13
S20
S19
dB
C7
R7

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