Sony NW-E55 / NW-E75 / NW-E90 / NW-E95 (serv.man2) Service Manual ▷ View online
7
7
NW-E55/E75/E90/E95
NW-E55/E75/E90/E95
PRINTED WIRING BOARD – MAIN BOARD (SIDE A) –
:Uses unleaded solder.
✩
IC400 (microcomputer) and IC450 (nor flash sram) on MAIN
board can not be replaced individually.
Replace it with MAIN board assembly for service.
board can not be replaced individually.
Replace it with MAIN board assembly for service.
• Semiconductor
Location
Ref. No.
Location
D300
C-8
IC301
C-8
IC400
C-4
IC450
D-2
IC461
C-6
MAIN BOARD
(SIDE A)
1-862-328-
21
(21)
C406
IC301
IC461
*IC400
*IC450
CSP
(Chip Size Package)
CSP
(Chip Size Package)
1
2
A
B
C
D
E
F
3
4
5
6
7
9
8
10
8
8
NW-E55/E75/E90/E95
NW-E55/E75/E90/E95
PRINTED WIRING BOARD – MAIN BOARD (SIDE B) –
:Uses unleaded solder.
Ref. No.
Location
IC505
D-4
IC506
C-9
IC507
E-8
IC508
C-5
IC509
C-4
IC510
D-3
IC700
D-6
Q460
D-4
Q500
C-7
• Semiconductor Location
Ref. No.
Location
D501
B-7
D502
C-9
D503
C-9
D504
C-7
IC500
E-9
IC501
B-5
IC502
B-5
IC503
C-7
IC504
B-5
Ref. No.
Location
Q501
D-8
Q502
C-4
Q503
D-9
Q504
B-4
Q505
E-7
Q506
C-4
Q507
C-5
MAIN BOARD
(SIDE B)
1-862-328-
21
(21)
1
1
2
3
4
R516
1
3
4
5
5
1
3
4
5
1
3
4
5
1
3
4
5
4
5
1
3
1
2
3
4
1
2
3
4
CN401
1
1
2
2
3
3
S702
S703
S706
CN400
4
4
23
24
25
26
39
40
1
2
S707
A
DISPLAY BOARD
CN402
only for E90 (A TYPE) and E95 (A TYPE)
DRY BATTERY SIZE "AAA"
(IEC DESIGNATION LR03)
(IEC DESIGNATION LR03)
1PC,1.5V
1
3
4
5
VOLUME
+
VOLUME
-
HOLD
J301
COM
R
L
SUPPLEMENT-1
Page 4
(
(
R415
IC700
IC504
IC501
IC502
IC505
IC510
IC509
IC508
IC503
IC506
IC507
IC500
1
2
A
B
C
D
E
F
3
4
5
6
7
9
8
10
9
9
NW-E55/E75/E90/E95
NW-E55/E75/E90/E95
SCHEMATIC DIAGRAM – MAIN BOARD (1/2) –
✩
IC400 (microcomputer) on MAIN board can not be replaced
individually.
Replace it with MAIN board assembly for service.
individually.
Replace it with MAIN board assembly for service.
SUPPLEMENT-1
Page 6
(
(
SUPPLEMENT-1
Page 10
(
(
XFCE1
FRB1
E90: A TYPE / E95: A TYPE
25
VDD_NAND
26
FAD0
FAD0
XFRE
FAD1
XFWE
FAD2
XFCE1
FAD3
FRB1
FAD4
FCLE
FAD5
FALE
FAD6
XFWP
FAD7
27
XFRE
28
FAD1
29
XFWE
30
FAD2
31
XFCE1
32
FAD3
33
FRB1
34
FAD4
35
FCLE
36
FAD5
37
FALE
38
FAD6
39
XFWP
40
FAD7
E90: A TYPE / E95: A TYPE
C
4
0
4
C
4
0
5
C400
R720
R422
TP407
C418
TP402
TP403
TP404
TP405
VDR401
TP408
TP411
R420
TP416
TP417
TP415
TP418
V
D
R
4
0
2
C421
C419
TP409
C
4
1
4
C415
C417
R
4
1
2
X401
R
4
1
1
R409
C411
C408
R
4
0
8
R
4
0
7
R
4
0
6
R
4
0
5
R403
C406
C407
R402
C403
C402
VDR404
VDR403
R719
C709
R705
Q460
R724
VDR701
R718
R717
R711
R703
S702
R702
TP700
R721
TP704
VDR700
R725
R723
R709
TP702
C701
TP412
R416
C704
C705
C706
R400
VDR400
C401
TP406
R401
R722
TP701
C707
X700
IC
7
0
0
R
4
6
1
C462
V
D
R
4
0
5
R716
R715
R463
R726
S706
C703
R
4
1
0
R453
C464
R462
IC461
*
S707
S703
R714
C416
R
4
0
4
CN401
X400
R421
C409
C410
0
.1
0
.1
0.1
0
10k
PD4
0.1
TXD0
TXD0
TXD0
TXD0
MSINS
MSDIS
10k
MSSCLK
MSBS
MSPWR
XMS
0.1
0.1
XBOOT
0
.1
10p
0.1
2
2
0
16MHz
1
M
22
1
1
1
.5
k
2
2
2
2
0
2.2M
1000p
0.1
10k
4.7
10V
4.7
10V
10k
0.1
470k
NDS356AP
10k
22k
10k
10k
1k
10k
ADK1
10k
XHOLD
470k
470k
10k
XPLAY
0.01
DEBUG
100k
0.01
0.01
0.01
1M
0.001
RST
10k
470k
VDDRTC
0.1
32.768KHz
R
S
5
C
3
4
8
A
-E
2
-F
B
1
0
0
k
0.1
10k
10k
100k
0
0.001
1
0
0
470k
1
1k
22k
10p
2
.2
M
22MHz
100k
0.1
4.7
6.3V
R728 0
* IC461
TH58NVG1S3ATGI5DBR ; E75 / E90: A TYPE / E95: A TYPE
K04SONY95 ; E90: B TYPE / E95: B TYPE
TC58NVG0S3ATGI5BBR ; E55
TH58NVG1S3ATGI5DBR ; E75 / E90: A TYPE / E95: A TYPE
K04SONY95 ; E90: B TYPE / E95: B TYPE
TC58NVG0S3ATGI5BBR ; E55
R415 100K
•
See page 3 for Waveform.
10
10
NW-E55/E75/E90/E95
NW-E55/E75/E90/E95
SCHEMATIC DIAGRAM – MAIN BOARD (2/2) –
✩
IC450 (nor flash sram) on MAIN board can not be replaced
individually.
Replace it with MAIN board assembly for service.
individually.
Replace it with MAIN board assembly for service.
SUPPLEMENT-1
Page 9
(
(
IC301
C
1
0
4
R
1
0
3
R102
R203
C204
C103
C305
C303
R101
C102
C100
R200
C200
C202
R201
R302
C301
R300
C203
TP200
TP100
R533
TP509
C520
TP414
TP314
TP503
R
5
3
1
R532
D504
TP506
C518
R530
R528
R526
R523
Q506
C511
R527
R529
TP505
C516
C512
R519
R510
Q502
R502
C503
R507
R522
R501
R505
R514
TP508
Q501
IC
5
0
0
D503
D502
C513
C515
R
5
1
3
R
5
0
8
R
5
0
0
D501
R518
R
5
1
6
R511
R506
R509
R504
TP502
C506
C505
R512
R521
R515
R520
C508
C
5
0
1
TP501
TP500
TP507
J301
C304
C101
C201
C300
D300
C302
IC509
C521
V
D
R
5
0
2
R535
10
IC508
IC504
L501
IC
5
0
7
Q505
C517
Q507
C519
Q504
C509
C502
0.1
V
D
R
5
0
4
IC
5
0
3
Q503
C504
L500
V
D
R
5
0
1
V
D
R
5
0
3
C500
V
D
R
5
0
0
R450
C450
R451
R452
R202
TP504
R
3
0
3
IC506
R524
IC
5
0
1
Q500
IC
5
0
5
R
5
1
7
IC
5
0
2
FB200
FB100
FB300
R100
FB302
R
5
0
3
R
5
2
5
C510
CN400
NJM2776RB2 (TE2)
0
.2
2
4
7
k
33k
47k
0.22
100p
0.1
0.33
10
0.22
0.022
4.7k
0.022
0.22
10
47k
0.1
0
100p
HP-R
HP-L
0
2.3V
0.1
D-
D+
1.2V
0
0
R534
100
RSX101M-30TR
33p
470k
100k
100k
470k
2SC5658T2L
0.047
470k
1M
REGCE
0.1
0.01
1M
470k
2SC5658T2L
1M
0.022
470k
47K
100k
2.2M
470k
VCORE
3LN01S-K-TL-E
S
-8
0
8
0
9
C
N
P
F
-B
9
N
-T
F
1SS400TE-61
1SS400TE-61
0.1
10
4
7
k
2
2
0
k
4
7
0
k
RSX101M-30TR
1M
4
7
0
k
220k
330k
2.2M
2.2M
NM
1
0.1
100k
470k
220k
22k
0.1
1
BATT+
BATT-
2.8V
10
10V
220
2.5V
220
2.5V
10
10V
MAZS120008SO
22
4V
XC62HR2301MR
4.7
6.3V
XC62HR2802MR
R1160N121B-TR-FA
X
C
9
1
0
5
D
0
9
1
M
R
XP151A13A0MR
47
10V
2SA2029T2L
100
6.3V
2SA2029T2L
10
6.3V
X
C
9
1
0
5
D
0
9
1
M
R
XP4601-TXE
47
10V
47
10V
0
0.1
100k
100k
33k
VBUS
0
XC62HR3302MR
1M
S
-8
0
8
1
0
C
N
P
F
-B
9
0
-T
F
XP151A12A2MR
S
-8
0
8
2
4
C
N
P
F
-B
8
J
-T
F
IC
5
1
0
S
-8
0
8
2
4
C
N
P
F
-B
8
J
-T
F
1
0
0
k
S
-8
0
8
1
0
C
N
P
F
-B
9
0
-T
F
4.7k
1
M
1
M
47p
5P
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