15
15
NW-A605/A607/A608
NW-A605/A607/A608
4-3. PRINTED WIRING BOARD – MAIN BOARD (SIDE B) –
:Uses unleaded solder.
• Semiconductor
Location
Ref. No.
Location
D301
D-9
IC301
C-9
IC302
B-8
IC400
C-5
IC401
D-8
IC450
D-3
IC503
C-8
IC508
B-6
IC509
D-8
IC901
B-3
IC1461
C-7
Q501
D-5
Q502
D-5
Q503
D-3
Q504
D-3
Q506
C-6
Q507
B-6
*
Replacement of IC400, IC450, IC901 on MAIN board
requires a special tool.
IC509
IC503
IC401
IC508
MAIN BOARD (SIDE B)
1-868-944-
(11)
11
J301
i
1
4
8
5
1
6
VOL–
SOUND/
REPEAT
RESET
VOL+
NW-A605
NW-A607/A608
C401
✩
IC450 on MAIN board cannot be replaced individually.
Replace it with “MAIN BOARD, COMPLETE” for service.