Read Sony ICD-B120 (serv.man2) Service Manual online
10
10
ICD-B120
ICD-B120
4-2. PRINTED WIRING BOARD — MAIN BOARD — •
: Uses unleaded solder.
1
A
B
C
D
E
F
2
3
4
5
6
7
8
9
10
11
12
13
14
G D S
G D S
S D G
G D S
G D S
S D G
1
2
4
3
1
3
4
1
3
4
5
1
2
3
4
3
4
1
2
1
2
3
4
1-867-684-
(11)
11
MAIN BOARD (SIDE A)
R520
R519
R518
R517
R521
C505
R516
R515
D505
L501
C515
R702
C126
R712
R713
R711
R126
Q101
S708
Q702
R124
R754
W7004
W7003
W7002
W7001
S701
HOLD
OFF
ON
W7005
W7006
R721
R714
R707
R706
C702
C743
R523
C701
R131
C124
R142
C134
R114
R113
R703
R503
R502
Q507
Q508
Q506
IC504
IC503
IC506
IC502
24
1
50
51
75
25
1
26
76
100
25
IC701
IC703
48
IC501
IC702
RV101
CL4
CL3
CL2
CL1
C509
C516
C513
C131
C512
C514
C510
C511
C112
Q102
RV101
VOL
S708
ERASE
Note on Printed Wiring Boards:
• Y
: parts extracted from the conductor side.
•
z
: Through hole.
•
: Pattern from the side which enables seeing.
(The other layer’s patterns are not indicated.)
Caution:
Pattern face side:
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.
Ref. No.
Location
D505
C-9
(D701)
A-3
(D702)
B-3
(IC101)
C-6
(IC102)
C-4
IC501
E-9
IC502
B-9
IC503
D-9
IC504
C-12
IC506
D-9
IC701
D-8
IC702
B-5
IC703
D-5
Q101
B-4
Q102
B-3
(Q106)
E-4
Q506
D-10
Q507
D-12
Q508
D-11
Q702
C-5
(Q703)
C-7
• Semiconductor
Location
( ): SIDE B
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