Printed Wiring Board - Cd Mechanism Section - Sony HCD-GX450 Service Manual

HCD-GX450
4-7. PRINTED WIRING BOARD – CD MECHANISM SECTION –
1
A
B
C
D
E
F
HCD-GX450
• See page 17 for Circuit Boards Location.
2
SENSOR BOARD SW BOARD
A K
CN751
1
IC731
2
E C
S751
OPEN/CLOSE
DETECT
CLOSE
OPEN
12
CN731
(11) 1-687-669-
MOTOR (TB) BOARD
1 3
CN741
M741
(TABLE)
CN742
M
1-687-134-
MOTOR (LD) BOARD
M
M751
(LOADING)
CN721
2
1
1-687-133-
:Uses unleaded solder.
3 4
DRIVER BOARD
E
Q731
12
(11)
CN705
R732
R734
R735
CN702
C751
12
CN703
(11)
4
CN704
RE701
ROTARY ENCODER
DISC TRAY
ADDRESS DETECT
12
(11)
24 24
5 6
MAIN BOARD
CN391
B
(SUPPLEMENT-2:
Page 26)
C715
CN701
C731
JW708 IC712
1 9
JW709
R713
D711
R701
IC701
1 9
D701
R702
1
1-866-201-
7
• Semiconductor
Location
Ref. No. Location
D701 D-5
D711 C-5
IC701 D-6
IC712 C-6
IC731 A-2
Q731 B-4
11
(11)