Printed Wiring Board - Sony Walkman WM-GX670 Service Manual

WM-GX670/GX674

6-2. PRINTED WIRING BOARD

1 2 3 4
A
B
C
D
E
F
G
H
• Semiconductor Location
Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location
D1 A-14 D801 D-4 IC6 C-19 Q4
D2 B-14 D802 E-3 IC301 F-17 Q5
D3 F-14 D803 D-3 IC302 E-9 Q6
D4 C-15 D804 D-3 IC501 D-7 Q7
IC601 D-19 Q8
D5 B-8
D101 C-9 IC1 B-14 IC801 D-3 Q9
IC2 D-14 Q10
D201 C-9
D301 C-9 IC3 D-17 Q1 D-16 Q11
D302 B-9 IC4 F-18 Q2 C-16 Q12
D303 B-9 IC5 D-18 Q3 B-13 Q13
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5 6 7 8 9
Ref. No. Location Ref. No. Location Ref. No. Location
Ref. No. Location
B-14 Q14 B-13 Q304 F-9 Q509 D-8 Q802
Q510 G-4 Q803
D-15 Q15 C-4 Q305 F-9
C-15 Q16 C-15 Q501 G-4 Q511 F-5 Q804
Q512 F-6 Q805
B-13 Q17 C-15 Q502 G-9
C-16 Q18 F-15 Q503 G-9 Q513 E-16
Q514 G-17
D-6 Q19 F-16 Q504 G-5
C-13 Q20 C-6 Q505 F-6 Q515 D-6
Q601 C-19
D-15 Q301 E-19 Q506 F-5
Q602 C-19
E-16 Q302 F-16 Q507 F-6
E-13 Q303 F-16 Q508 G-12 Q801 D-3
10 11 12 13 14
Note on Printed Wiring Board:
C-2
• X : parts extracted from the component side.
D-2
• Y : parts extracted from the conductor side.
C-3
• : Through hole.
r
C-2
• b : Pattern from the side which enables seeing.
Caution:
Pattern face side: Parts on the pattern face side seen from
(SIDE B) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(SIDE A) the parts face are indicated.
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15 16 17 18 19
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20 21