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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
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