Sony NW-MS7 Service Manual ▷ View online
CSP (Chip Size Package)
– 31 –
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NW-MS7
4-7. SCHEMATIC DIAGRAM — MAIN BOARD (2/4) — • Refer to page 41 for IC Block Diagrams and page 36 for Waveforms. • Refer to page 26 for Comon note on Schematic Diagram.
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(Page 35)
(Page 33)
NW-MS7
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4-8. SCHEMATIC DIAGRAM — MAIN BOARD (3/4) — • Refer to page 42 for IC Block Diagrams. • Refer to page 26 for Comon note on Schematic Diagram.
(Page 32)
(Page 35)
(Page 29)
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NW-MS7
(Page 32)
(Page 30)
(Page 33)
(Page 32)
(Page 39)
4-9. SCHEMATIC DIAGRAM — MAIN BOARD (4/4) — • Refer to page 43 for IC Block Diagrams. • Refer to page 26 for Comon note on Schematic Diagram.
12MHz
IC704
qf
(XIN)
• Waveforms (MODE:PLAY)
1
2
740mVp-p
3
4
22.5792MHz
IC702
rd
(XTLI)
760mVp-p
4MHz
IC701
<zzc>
(EXTAL)
780mVp-p
32.768kHz
IC706
2
(XIN)
780mVp-p
50nsec/div
20mV/div
20nsec/div
20mV/div
0.1
µ
sec/div
20mV/div
20
µ
sec/div
20mV/div
1
FB912
1
5
10
15
CN902
BATTERY
CHARGER
20
04
22
FB911
FB909
CN BOARD (CONDUCTOR SIDE)
1-675-323- 11
C301
Q301
HP BOARD (COMPONENT SIDE)
1-675-322-
11
C312
C305
R302
C208
C108
C376
R122
C374
Q304
L402
L401
L403
R307
C316
C306
R104
CN705
IC302
1
1
5
9
15 19
2
6 10
16 20
B
E
B
E
C
C
6 5
7
12
10
24
19
20
18
13 15
R105
R222
R108
R208
R103
R203
R317
R318
C315
R204
C309
C203
C201
C314
MAIN
BOARD
CN707
2
3
4
1
LF902
6
2
J303
5
i
.
M^
B X
HP BOARD (CONDUCTOR SIDE)
1-675-322-
11
C103
C323
C
4
2
T
3
1
S807
(PUSH)
S807
(FUNCTION)
C324
04
C322
R303
R205
C307
R306
R304
C101
C311
C310
C313
S702
(RESET)
FB901
FB913
LF901
FB902
CN BOARD (COMPONENT SIDE)
2
MAIN
BOARD
CN706
6 10
16 20
24
1
5
9
15 19
23
CN901
1-675-323- 11
04
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
NW-MS7
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Note:When repair or replacing the
CN board, replace it with the
CN board, complete.
CN board, complete.
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4-10. PRINTED WIRING BOARDS — CN BOARD, HP BOARD —
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