Block Diagram - Sony NW-E50 Service Manual

4-1. BLOCK DIAGRAM

VBUS DET
IC506
CN400 VIN 2 126
VBUS
STAND
VOUT 5
CONNECTOR
VBUS
1 127 VDIOUS
+5VDC
2 +5V
USB
DATA - D-
128
3 UDM
CONNECTOR
DATA + D+
4 129 UDP
GND
USB GND
5 130
TRON
+2.3V 102
AN4
104
AN6/INT8
S703 S702 S701
VOLUME - VOLUME +
. /- /+ >
103
+2.3V AN5
105
AN7/INT9
+2.8V
83 PF2/INT4
S705 S704
REPEAT SOUND MENU
S707
Nx
IC801
EL DRIVER
+2.8V 13 VDD
L801
1
LDR
D801
20 CHV
NOR FLASH SRAM
IC450
DQ0 - 15 A1 - 19
29 - 36, 38 - 45 1 - 8, 16 - 25, 48 11 13 14 15 26 28 29 - 37, 41 - 44
38 - 53 197 - 207, 2 - 9 185 187 184 183 186 182
D0 - 15 A1 - 19
IC400
SYSTEM CONTROLLER
MEMORY STICK INTERFACE
MAGIC GATE CORE
NAND FLASH INTERFACE
USB INTERFACE
A/D, D/A CONVERTER
SERIAL INTERFACE
160 173 176 60 57 58 76 74 75 73
10 11 7 4 3 2
CLOCK
OSC
IC700
18 15 16 8 9 10
LIQUID
D703
CRYSTAL
+2.8V
DISPLAY
EL ELEMENT X700
32kHz
NAND FLASH RAM
Q460
IC461
VCC
I/O1 - 8
16 17 18 19 8 7 9
15 - 22 23 24 26 28 27 30 29
FAD0 - 7
PI3 174
134
AOUTL
AOUTR 133
84
PF3
Q506, 507
+2.8V
+2.3V
87 81 106 172 59
LED
DRIVER
+2.8V 1 VOUT VDD
Q701
I/O DET
IC510
D702
ACCESS
S706 S708
RESET
+1.2V
HOLD GROUP
.
Q502, 504
CORE DET
4 VOUT 1
+1.2V VDD
IC502
I/O DET
+2.8V 4 VDD VOUT 1
IC505
9 9
2.8V
HP AMP
IC301
3 2
IN1 OUT1
8 IN2 OUT2 9
XSTBY
7
STB
LEVEL BATTERY DETECT
IC500
1 VOUT VDD 4
+1.2V
Q503
5 VOUT VIN 2
3
CE
D504 L501
+2.8V REG.
+VIO
IC508
5 VIN 1
VOUT
SWITCHING
2 Q505
CE
+2.3V REG.
SWITCHING
IC509
REG.
4
IC507
5
Q501
3 CE
2
VIN
L500
+1.4V
D501
5 VOUT VDD 1
SWITCHING
3 CE
Q500
+1.2V REG.
IC504
5
3 CE
1 VOUT VDD 4 SWITCHING
2 REG.
VIN
CORE SW IC503
IC501
NW-E50/E70
J301
DRY
BATTER Y
SIZE "AAA"
(IEC DESIGNATION LR03)
1PC, 1.5V
• SIGNAL PATH
: PLAY BACK
: DIGITAL OUT
: DIGITAL IN