Pc Board - Kenwood DM-VH7 Service Manual

A
PC BOARD(Component side view)
Q Q
3 7 6 3 1 5 1 5 0
1
X25-6240-00 A/3 (J70-1312-12)
2
C71
R73
R72
D7
3
R79
D10
D22
R137
R134
B E
R132
Q17
W1
T E
L 1 3 9 4 2 2 9 6 5 1 3
R112
R140
SYSTEM GND R108
4
CONTROL SDATA
C107
BUSY C106
SGND R100
R139
R101
C34
C32 R32
R36
R34
C36
REC
C35
IN
R33
R31
R35
C33
C60
PLAY
OUT
5 R64
Q21
C59
R67
R63
R69 R68
1
DIGITAL
INPUT R90
OPTICAL
C76
2
6
R91 R92
3.3V
5V
w w w
7
13
Refer to the schematic diagram for the value of resistors and capacitors.
B C
X25 B/3
R19
+7VD DC-DC
D2
R5
D30
R2
R4
Q8
R1
Q9
R23
Q10
Q2
R24
D21 R6
C23
R133 R122
Q12
R22
R131
R120
B E
R110 R111
R121
R118
Q29
R126
R141 R142
D20 R119 R117
R125
D19
R115 C104
W2
C102
R113 R114
Q27
C103
R116
R78 R124
R104
Q16 R127
R11
R123 R128
R103 R105 R77
R13
R76 D3
R102 R106 D9
R10
C113
Q3
C73 Q6
D14
Q4
E B
R14
R74 R75
Q7
IC5
I G O R15
R17
R46 R16
Q14 R26
R18
B
E
R45
C12
C85
C83
C25 R27
C14
C82
R29
C43
C44
R28
C16
C26 C13
Q13
-5V
R39
R40
IC8
R41 R42
C49 C50
C84
C88
R60
R62 R52
C56 R56 R50
R58
R54
IC9
R53
R57
C55 R55 R51
R61 R49
R59
L.P.F.
x a o
. i
D E
C116
R146
R170
R171
R172
R173
R174
R175
R176
R177
C154
R164
C155
R169
C156
R144
C157
R145 R143
C158
C153 C114
R168
C159
C115
R179
R166
C4
R180
C151
16MHz
X2
R150
C152
R155
R165
R154
R156
R160
R157
Q Q
R153 R158
3 7
R152 R159
R151
Q33 Q31 Q32
WH1
1
R163 R161 R162 3
X25 C/3
3
1
WH1
R181
u 1 6 3
y
14
F G
2 4
8 9 9
X33-1190-00 (J70-1311-02)
C161
L1 C153
C160
R119
W8
L4 17 32
C114
L3
R124
W9 R118
IC8
L2
R116 C120
R122
Q9 E B
C125
R120
16
1
C127 C126
R126
1 R163
R128
R130 R129 C105
Q2
2 R117 R105
W11
R162
R106
9
E B
W10 W108
C164 C131
16 R185
R179 C106
IC4 C200 R177 R140
R104
R134
20
R159 R188
21
R190
R175
C132
R189
1
8 C189 C158 D101
R136
R158
R141
R135
L5 C159
R148
C129
C103
Q7
C111
R132
R147
13 24 C113
R164 IC1 R131
Q3
R166 12 25 R146
C102
C128
C168
R112 R150
L6
R110
R107 C130
R165
R169
C169 1 R133
R113 C107 R139
C108
36 C133
C167 48 37
R167
20
R137
R184
L7
C115
Q5
L8 1 C117
C188
2
R115
C116
R180
Q4 Q6
10
11
C186
IC5
C166 100
6 5 76
10 11
1
75
C170 IC24 R170
6 3 1 5 1 5 1 0 8 9
R171
R15
R178
10
1
20 R16
R111 R114
Q8
1
R176
B E B E
Q11
25
Q12
Q13 51 Q10
26
50
C198
R174
R160
8 R172
R13
C185 R186
R168
R183
2 4
R182
R187
CN4
R181
1 3
X29 B/2
S1
W3
S2
R3
1
4
m
c o
1
.
H I
2
8 9 9
C141
5 1
4
3
R161
C163
76 100
C142 C46
75
1
C143 L50
C134
C144
C184
R143
C122
C124
IC2 R142
R121
R127
W6
W5 R123
51
25
C110
L11 26
50
R6
C123
R144
C12
R5
1 10 R145
C13
R7
W7 R125
C118 W196
IC7
R1
11
C136 C121
R14
C171
1
8
R149
IC6
R17
5
4
IC12
2 4 9 8 2 9 9
13 C41
C39
12 W1
W3
C37
C190
W4 R53
C44
C38
C40 C32 R52
R3 IC10
R4
1
24
O
C31
C33
C36 W2 G
W12 I
R2
R10 CN1
R11
1 C187
26
X29-2650-00 A/2
(J70-1307-02)
R2
4
15
J