Printed Wiring Boards - Key Section - Sony MV-101 Service Manual

MV-101
3-2. PRINTED WIRING BOARDS – KEY Section – •
1 2
A
KEY BOARD (SIDE A)
B
C
D
E
KEY BOARD
(SIDE B)
F
SW106
C112
G
H
R116
SW107
RESET
I
See page 13 for Circuit Boards Location.
3 4 5
(Page 16)
A
POWER BOARD
CN1
1 10
CN101
LED BOARD
LED BOARD
SW103
D105
DISC SLOT
C103
INDICATOR
C102
R104
C101 R128
R102
R103
R105
R106
R139
Q106 3
B C E
1 2
IC102
R147
:Uses unleaded solder.
6 7 8
(SIDE A)
11
C170
1-689-011-
(11)
D106
K A
D106
DISC IN
A K
(SIDE B)
2
11
1
(11)
1-689-011-
SW104
SW102
L101
R122
R118
C115
R117
C129
C113
R124
R125
C142 R131
1
C128
R130
IC101
D108
K A
R135
D109
1 2
15
CN103
14 14
9 10 11
• Semiconductor
Location
Ref. No. Location
D103 G-13
D104 H-12
D105 H-3
D106 H-13
D106 E-7
D107 I-13
D108 I-6
D109 I-7
IC101 I-8
IC102 I-5
IC103 I-12
IC104 I-13
Q101 I-13
Q102 I-12
Q103 H-11
Q105 I-11
Q106 I-5
SW105
R119
Q103
R136
Q107
R137
30
X101
R138
1 7 R140
C139
C110
CN102
IC103
1 8
Q105
16
4 5
R141
SERVO BOARD
12 13
11
1-689-010- (11)
SW101
D103, SW101
POWER
D103
D104
DISC SLOT
D110
INDICATOR
R111 C104
3 1
R145
Q102
Q101 IC104
R110
D107
11
1-689-010- (11)