Printed Wiring Board - Main Board (Side B) - Sony NW-E503 Service Manual

4-3. PRINTED WIRING BOARD – MAIN BOARD (SIDE B) –
MAIN BOARD (SIDE B)
S702
J301
i
S703
NW-E503/E505/E507
:Uses unleaded solder.
IC509
4 3
5 1
S710
RESET
11 1
12 44
IC301
22 34
23 33
S705
REPEAT
SOUND
IC450
* CSP
(Chip Size Package)
IC1461
E507
E507
E503/E505
15 15
* Replacement of IC400 on MAIN board requires a special
tool.
IC450 on MAIN board cannot be replaced individually.
Replace it with "MAIN BOARD,COMPLETE" for service.
IC507
IC400
* CSP
(Chip Size Package)
IC508
1-866-679- (11)
NW-E503/E505/E507
Ver. 1.5
5
1
11
• Semiconductor
Location
Ref. No. Location
D301 B-3
IC301 C-4
IC400 C-8
IC450 B-6
IC507 B-10
IC508 D-10
IC509 B-4
IC1461 C-5
Q501 D-6
Q502 D-7
Q503 C-10
Q504 D-10
Q506 D-9
Q507 D-9