Printed Wiring Board - Bd (Md) Board - Sony MXD-D40 Service Manual

MXD-D40
6-9. PRINTED WIRING BOARD – BD (MD) Board – •
OPTICAL PICK-UP
BLOCK
(KMS-262A)
BD(MD) BOARD (SIDE A)
A
B
C
E
D
B2 C2
E
E B1
C1
E E
E
LIMIT
IN
F
2
1
G
H
1 2 3
HR901
OVER
WRITE HEAD
• Semiconductor
Location
Ref. No. Location
D101 A-2
Q101 D-1
Q131 D-2
Q132 D-2
Q133 D-1
Q134 D-1
See page 50 for Circuit Boards Location.
FLEXIBLE BOARD
1-678-514- 11
S103
(PACK OUT)
S104
(PLAY POSITION)
S105
(REC POSITION)
1-677-920-
4 5 6 7
BD(MD) BOARD
S102-2
PROTECT
DETECT
–1
S102-1
REFLECT –2
RATE
DETECT
2
1 3
17
22
(22)
7 6
C
MAIN BOARD
CN303
(Page 58)
• Semiconductor Location
Ref. No. Location Ref. No. Location
D181 G-1
IC181 G-3
D183 G-1 IC190 G-6
IC195 G-5
IC101 B-2
IC102 D-2
Q121 C-2
IC141 E-6
Q122 C-2
IC151 E-4 Q181 F-2
IC152 E-2
Q182 G-2
56 56
(SIDE B)
M103
(LOADING)
M
M
M101
(SPINDLE)
2 1
3 4
5 4 3
B
MAIN BOARD
CN304
(Page 58)
There are a few cases that the part isn't mounted in model
is printed on diagrams.
A
B
E
C
I+3V
IOP
E
GND
TE
FE
VC
RF
5 4
TEST PIN
D
1 3
E
F
G
D
S
G
D
G
S
M
M102
(SLED)
H
22
1-677-920- (22)
2 1