Service manual
3434
HCD-GNZ55D
HCD-GNZ55D
6-7. PRINTED WIRING BOARDS — DRIVER SECTION — • Refer to page 32 for Circuit Boards Location. : Uses unleaded solder.
1
A
B
C
D
E
F
G
H
234567891011121314
(OPEN/CLOSE DETECT)
(DISC TRAY ADDRESS DETECT)
1
9
1
9
1
4
1
2
1
2
CN751
S751
IC731
CN731
CN741
CN742
CN721
MAIN
BOARD
CN405
A
C715
C731
C735
C736
R701
R711
R731
R721
R722
R723
R736
R732
R733
R734
D701
D711
C751
IC712
IC701
CN704
C737
R713
R712
C741
R702
JW
702
JW
703
JW
704
JW
705
JW
706
JW
707
JW
708
JW
711
CN703
CN702
CN705
R751
C752
JW
712
JW
701
JW
709
JW
710
JW
713
JW
714
CN701
Q731
B
E
(Page 43)
Ref. No. Location
D701 D-6
D711 D-7
IC701 E-6
IC712 E-7
IC731 E-11
Q731 B-8
• Semiconductor
Location