Read Sony NW-E303 Service Manual online
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NW-E303
NW-E303
4-4. SCHEMATIC DIAGRAM – MAIN BOARD (1/4) –
• See page 14 for Waveforms. • See page 26 for IC Pin Function Description.
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A
C
SWITCH
FLEXIBLE
BOARD
(Page 23)
HOLD
C701
C703
C705
C417
C406
C
40
2
C
403
C408
C410
C411
C
41
4
C
4
18
C419
C421
C
4
04
C
405
NAND_XCE1
VDR401
VDR406
X400
VDR704
VDR400
R
40
4
R
4
05
R
4
06
R
4
07
R408
R409
R
41
0
R
41
1
R
4
12
R414
R401
R471
R
4
72
R
47
3
R
4
74
R
70
7
R467
R310
R312
R733
R735
R453
R419
R424
R416
R422
R430
R431
R427
R723
R725
R705
R721
R714
R715
R716
R717
R713
R720
R421
TP407
TP401
TP403
TP702
TP704
TP705
S709
TP700
TP701
TP706
TP703
TP404
TP405
TP418
TP409
TP173
TP408
TP411
R420
TP406
TP413
TP414
TP400
TP415
TP416
TP417
R
41
8
TP402
R423
R711
C
415
C416
X401
C407
C422
TP504
R
718
CN701
R402
CN400
C400
R722
TP412
R724
R709
C420
C423
R732
IC400
0.01
0.01
0.01
0.1
0.1
4
.7
4
.7
1
4.7
1
0
.1
0.1
0.1
0.1
0
.1
0.1
22.4548MHz
2
20
0
2
2
22
2.2k
22
100
1M
22
0
10k
0
0
22
0
2
20
0
4.7k
2.2M
100k
100k
0
0
470k
10k
10k
10k
10k
220
220
220
470k
470k
470k
10k
22k
10k
10k
10k
470
0
100k
PD4
DGND
RXD0
XPLAY
XHOLD
GROUP
ADK1
ADK2
WAKE1
WAKE2
TXD1
RXD1
XMS
XBOOT
EL_PWR
MSINS
MSDI0
10k
RST
D+
D-
GND
MSPWR
MSSCLK
MABS
2
20
TXD0
470k
10k
1
0p
10p
15MHz
0.1
0.1
VBUS
22k
8P
2.2M
8P
0.1
470k
DEBUG
10k
10k
0.001
0.001
0
CXR704060-252GA
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