Sony NW-E99 Service Manual ▷ View online
7
NW-E99
3-2. DISPLAY BOARD ASSY
3-3. MAIN BOARD ASSY
4
DISPLAY board assy
2
tapping screw (1.7)
3
cover section
1
lid (usb) (sub assy)
4
MAIN board assy
3
chassis (rear)
ornament assy
2
two claws
1
tapping screw (B1.7
×
7)
8
NW-E99
SECTION 4
DIAGRAMS
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. (p: pF) 50 WV or
less are not indicated except for electrolytics and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise specified.
•
%
: indicates tolerance.
•
C
: panel designation.
•
: B+ Line.
• Power voltage is dc 1.5 V and fed with regulated dc power supply
from battery terminal.
• Voltages and waveforms are dc with respect to ground under no-
signal (detuned) conditions.
no mark : PLAY
no mark : PLAY
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production toler-
ances.
ances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production toler-
ances.
ances.
• Circled numbers refer to waveforms.
• Signal path.
F
: PLAY
a
: DIGITAL OUT
k
: DIGITAL IN
Note on Printed Wiring Board
•
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
•
: Through hole.
Caution:
Pattern face side: Parts on the pattern face side seen from
(Side A)
Pattern face side: Parts on the pattern face side seen from
(Side A)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side B)
the parts face are indicated.
•
Waveform
1
IC700
8
(OSCOUT)
0.5 V/div, 10
µ
sec/div
1.1 Vp-p
31.25
µ
sec
9
9
NW-E99
NW-E99
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
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
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
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
OSCOUT
XRST
XCS
SCL
SDA
OSCIN
VDD
CE
SI
SO
SCLK
+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
FRB0
FCLE
FAD0 - 7
A1 - 19
D0 - 15
FRE
FWP
FWE
FALE
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
LIQUID
CRYSTAL
DISPLAY
CLOCK
OSC
IC700
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
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
160 173
10
13
1
20
11
15
18
16
VDD
LDR
CHV
PR4
PI2
OUT2
OUT1
OUTCM
ENA2
ENA1
+2.8V
L801
D801
EL ELEMENT
IC801
EL DRIVER
EL DRIVER
32
31
FCE1
FRB1
6
R/B1
10
CE1
10
10
NW-E99
NW-E99
4-2. PRINTED WIRING BOARD – DISPLAY BOARD (SIDE A) –
:Uses unleaded solder.
DISPLAY BOARD
(SIDE A)
1
2
(21)
21
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
R852
1
2
A
B
C
D
E
F
3
4
5
6
7
8
9
10
Ver. 1.1
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