Kenwood KDC-V7090R Service Manual page 9

S T
PC BOARD (Foil Side View)
SWITCH UNIT
X13-99XX-XX A/2 (J74-1136-12)
SWITCH UNIT
D16
(X13-99XX-XX)
R28
R e . f N O .
A d d e r s s
C I Q
R2
R6
1 3 T
R5
2 5 T
3 2 T
E B
1 5 T
2 4 T
D14
3 4 T
R3
RESET
4 2 S
R9
5 6 T C21
D19
D18
6 6 S
7 6 T
C14
C11
X1
D10
R10
D9
CP6
Q3
D8
CP5
CP3
Q2
CP4
D7
D6
D5
C3 R16
Q1
C5
R20
R19
C2
D4 C1
ILLUM G
C4
CP10
CP11
D3
E B E B E B R42 R43 R41
C23 C24 C22
R1
R4
Refer to the schematic diagram for the values of resistors and capacitors.
U V
ELECTRIC UNIT
X13 B/2
C9 C13
R11
B
E
C19
C17 E B E B E B
D5
CN3 R136
5V
R137
8
R130
Q3
R134
E B
R135
R3
D22
R4
R133
R51
R131
R53
1
R132
W40
W39
C6
C200 E B
Q29
Q25 Q26
B B
C3
E E
Q28
D15
C5
B E
Q7
B
R39
Q2
R2
D3
Q8
C4
E
R1
D2
W100
C8
B Q5
B
E
E B
O G I
E
B E B E
1
Q39 Q40 Q38
Q37
2
R167 R168 R166 R165
FR
RL RR FL
8
6
1
9
CN1
C96
C95 C94 C93
W X
X25-87XX-XX (J74-1143-02)
RESET
CN5
22 2
2 1
IC16
3 4
D18
21 1
R52
CP1
R54
CP2
CP3
R77
51
R79
CP5
75
50
76 R80 S-MTR IFCOUT
R82
R81
R90
R86
CP4
R101
IC1
R89 R97
R99
W6
CP6
C44
W7
R100 R98
26 100
E B
R104
14 8
1
25 R103
Q35
R105
IC8
R106
1
R102 7
R115
E B
B E
B E
B E
C35
Q14
R43
R42
D17
C37
R41
E B
C21
R45
C124
R37
C123
D11 C122
D1
C121
J1
R33
L1
C1
1
16
R19
R15
R13
11
Y Z
D4
R9
5
1
Q9
IC15
B E
R237
6 10
C161
R239 CN6
C9
1 13
2 12
Q51
C149
R231
R230
Q50
C65 C66
C143 C142
L R
1
28 9
8
C63
1
1 B E
C160
16
R215
C61
R216
R214
C62 E B
Q36
L6 15 14
L11
L12
Q46
E
C140
C68
R203
B
C120 C118 C119 C117
VT
C69
E
C134
B
RR FR RL FL
C67
Q44
R210
Q43
R212
L Q45
C113
C114
D41
D36
D40
D35
CN4
D39
1
3
D34
D38
L7
D33
C125
C126
1 25
IC4
2 24
TH1
W30 W31
AA
1
ELECTRIC UNIT
(X25-87XX-XX)
R e . f N O .
A d d e r s s
C I Q
1 3 W
2 3 Y
2
3 5 V
4 6 Y
8 3 W
1 4 3 Y
1 5 2 Z
1 6 2 W
1 4 U
2 4 V
3 2 V
4 5 U
5 5 V
6 5 V
3
7 4 V
8 4 V
9 2 Y
1 0 2 V
2 6
CN7 1 1 2 V
7
1 2 2 V
1 3 2 V
1 4 4 W
24
1 5 4 W
2 4 3 V
2 5 4 V
2 6 4 V
4
2 7 4 V
2 8 4 V
2 9 3 V
3 0 4 W
3 1 4 W
3 2 5 V
3 3 5 V
3 5 3 X
3 6 4 Y
3 7 5 V
3 8 5 V
3 9 5 U
5
4 0 5 V
4 3 5 Y
1
4 4 4 Y
4 5 5 Y
4 6 4 Y
WH1
5 0 3 Y
5 1 2 Y
5 2 3 Z
6
7
12