Sony NW-E55 / NW-E75 / NW-E90 / NW-E95 Service Manual ▷ View online
NW-E55/E75/E90/E95
9
9
4-1. BLOCK DIAGRAM
VBUS DET
IC506
NOR FLASH SRAM
IC450
NAND FLASH RAM
IC461
CN400
STAND
STAND
CONNECTOR
USB
CONNECTOR
VIN
VOUT
2
1
2
2
3
4
5
5
126
38 - 53
185
197 - 207, 2 - 9
187 184 183 186 182
23 24 26 28 27
30 29
32
31
15 - 22
29 - 32, 41 - 44
29 - 36, 38 - 45
11
1 - 8, 16 - 25, 48
13 14 15 26 28
16 17 18 19 8
7
9
128
129
130
102
104
83
160 173
10
13
1
20
11
15
18
16
176 60 57 58
76
74 75 73
7
4 3 2
8
9
10
87
81
106
4
1
5
3
3
3
5
2
3
5
2
1
1
5
2
2
1
5
3
3
2
1
4
4
4
1
172
59
84
133
134
174
7
8
3
9
2
127
+5VDC
DATA -
DATA +
GND
DATA -
DATA +
GND
VBUS
VDIOUS
UDM
UDP
TRON
VBUS
D-
+5V
D+
USB GND
AN4
AN6/INT8
S703
VOLUME -
S702
S701
VOLUME +
S707
PF2/INT4
VDD
LDR
CHV
VDD
VDD
VOUT
VOUT
VOUT
VOUT
CE
VDD
VDD
CE
VIN
VOUT
CE
VIN
VOUT
VOUT
CE
VIN
VOUT
CE
VIN
IN1
2.8V
Q460
OUT1
IN2
STB
OUT2
VOUT
VDD
PR4
PI2
OUT2
OUT1
OUTCM
OSCOUT
XRST
XCS
SCL
SDA
OSCIN
VDD
ENA2
ENA1
CE
SI
SO
SCLK
+2.8V
L801
D801
+2.8V
+2.3V
PI5
PC3
SCK0
SO0
PE7
AN3
SO1
SI1
SCK1
AN2
AN1
PG1/INT5
PFO/INT3
RST
PI1
PC2
PF3
AOUTR
AOUTL
PI3
VCC
XSTBY
FCE0
FCE1
FRB0
FRB1
FCLE
FAD0 - 7
A1 - 19
D0 - 15
FRE
FWP
FWE
FA
L
E
CSI
WE
RE
CS0
LB
UB
CE
R/B
CLE
I/O1 - 8
A1 - 19
DQ0 - 15
RE
WP
WE
ALE
BES
WE
OE
BEF
LBS
UBS
EL ELEMENT
LIQUID
CRYSTAL
DISPLAY
CLOCK
OSC
IC700
IC801
EL DRIVER
EL DRIVER
SYSTEM CONTROLLER
IC400
D703
X700
32kHz
S706
HOLD
.
S708
GROUP
CORE DET
IC502
+1.2V REG.
IC504
CORE SW
IC501
1
4
VOUT
VDD
I/O DET
IC510
+2.8V REG.
IC508
+VIO
+1.4V
+1.2V
+2.8V
+2.3V
+2.8V
+1.2V
+2.8V
+2.8V
IC500
Q503
+1.2V
Q506, 507
Q501
J301
HP AMP
IC301
+2.3V REG.
IC509
D501
• SIGNAL PATH
: PLAY BACK
: DIGITAL OUT
: DIGITAL IN
: DIGITAL IN
L500
L501
D504
SWITCHING
Q500
SWITCHING
Q505
SWITCHING
REG.
IC507
SWITCHING
REG.
IC503
I/O DET
IC505
RESET
Q502, 504
LED
DRIVER
Q701
D702
ACCESS
103
105
AN5
AN7/INT9
S705
REPEAT SOUND
S704
MENU
+2.3V
NAND FLASH RAM
IC460
29 - 32, 41 - 44
16 17 18 19 8
7
9
VCC
CE
R/B
CLE
I/O1 - 8
RE
WP
WE
ALE
DRY
BATTER Y
BATTER Y
SIZE "AAA"
(IEC DESIGNATION LR03)
1PC, 1.5V
(IEC DESIGNATION LR03)
1PC, 1.5V
Nx
>
.
/-
/+
MEMORY STICK INTERFACE
MAGIC GATE CORE
NAND FLASH INTERFACE
USB INTERFACE
A/D, D/A CONVERTER
SERIAL INTERFACE
LEVEL BATTERY DETECT
E90/E95
NW-E55/E75/E90/E95
10
10
4-2. PRINTED WIRING BOARD – DISPLAY BOARD (SIDE A) –
:Uses unleaded solder.
IC460
DISPLAY BOARD
(SIDE A)
1
2
23
39
40
24
CN402
(11)
11
L I Q U I D
C R Y S TA L
D I S P L AY
A
MAIN
BOARD
CN401
(Page 14)
1-862-329-
1
20
E90/E95
E90/E95
E55/E75
C460
24
1
48
25
C853
R460
1
2
A
B
C
D
E
F
3
4
5
6
7
8
9
10
NW-E55/E75/E90/E95
11
11
Q701
R807
R706
D702
R713
TP804
TP806
R805
R802
R801
R804
R803
C801
C802
D801
L801
TP410
TP401
R710
TP706
SL700
C700
S705
TP701
R704
S704
TP805
TP850
R701
R700
TP851
C702
S701
S708
TP705
TP803
TP802
TP801
TP853
TP852
ACCESS
MENU
>
.
/-
/+
REPEAT SOUND
GROUP
DISPLAY BOARD
(SIDE B)
IC 801
EL
ELEMENT
(11)
11
1-862-329-
E
BATTERY
(BACK-UP)
(SECONDARY)
1
2
A
B
C
D
E
F
3
4
5
6
7
8
9
10
11
4-3. PRINTED WIRING BOARD – DISPLAY BOARD (SIDE B) –
:Uses unleaded solder.
NW-E55/E75/E90/E95
12
12
4-4. SCHEMATIC DIAGRAM – DISPLAY BOARD –
*
*
2 5
2 6
2 7
2 8
2 9
3 0
3 1
3 2
3 3
3 4
3 5
3 6
3 7
3 8
3 9
4 0
V D D _ N A N D
FA D 0
X F R E
FA D 1
X F W E
FA D 2
X F C E 1
FA D 3
F R B 1
FA D 4
F C L E
FA D 5
FA L E
FA D 6
X F W P
FA D 7
FA D 0
X F R E
FA D 1
X F W E
FA D 2
X F C E 1
FA D 3
F R B 1
FA D 4
F C L E
FA D 5
FA L E
FA D 6
X F W P
X F R E
X F W E
X F C E 1
F R B 1
F C L E
FA L E
FA L E
X F W P
FA D 7
FA D 4
FA D 5
FA D 6
FA D 7
FA D 0
FA D 1
FA D 2
FA D 3
460
IC801
D702
R713
R708
R706
SL700
R710
TP706
D703
TP806
TP853
TP401
TP850
TP851
TP701
TP705
S701
R700
R701
S704
R704
C702
C802
D801
L801
R801
R805
R802
R803
R804
C801
TP804
TP852
TP410
S708
S705
C522
TP805
Q701
CN402
C700
SM8145AB-G-EL
SML-512DWT86
100
R460
100k
47k
100k
BATTERY
(BACK-UP)
(SECONDARY)
1k
VDD_RTC
RB520S-30TE61
IC460
TH58NVG153ATGI5DBR
CN850
20P
VDD
LCDDA
EL1
LCDRST
LCDCS
ADK2
GROUP
47k
22k
22k
100p
4700p
1SS376TE-17
100k
150k
33k
47k
33k
0.01
C460
0.1
VDD_EL
LCDCK
EL2
1
GND
2SC5658T2L
R850 100k
R851
100k
C850
C851
C852
C853
R852
0.47
0.47
0.1
0.1
150k
E55/E75:24P
E90/E75:40P
12
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