Printed Wiring Board - Servo Board - Sony MV-900SDS Service Manual

3-2. PRINTED WIRING BOARD – SERVO Board –
• Semiconductor
1
Location
Ref. No. Location
SERVO BOARD
D2 D-1
D3 D-1
D100 C-4
A
Q1 A-2
Q2 D-1
Q3 D-1
Q10 E-3
Q11 E-2
Q12 E-2
U1 C-3
U2 B-4
U3 C-4
U4 B-2
U5 D-3
U6 D-2
B
U7 E-2
C
E
D
+
A K
E
1
MV-900SDS
• See page 10 for Circuit Boards Location.
2 3
(SIDE A)
E
1 50
132
133
U4
U1
25 26
+
1
+
+ +
A
E
K
64 49
1 48
1
U6
6
8 5
16 33
U7
17 32
1 4
+
+
45
E E E
OPTICAL PICK-UP
BLOCK
4
1
16 1
P
U2
89
MAIN
88
BOARD
CN101
17 32
(Service
manual
50
page 24)
+
U3
4 3
A
5 1
K
45
44 +
1 28
7 22
U5
8 21
14 15
SENSOR
BOARD
11 11
5 6
SERVO BOARD (SIDE B)
MV-900SDS
7 8
M1
(LOADING)
M