Block Diagram - Sony NW-E403 Service Manual

4-1. BLOCK DIAGRAM

IC501(1/2)
VBUS
REG USB
CN400
20 USB
USB
CONNECTOR
VBUS
1
DATA -
2
USB
DATA +
3
GND
5
+2.3V
S703 S708
S702
VOL – VOL + >
+2.3V
S705
REPEAT
SOUND
S707
GROUP
G
HOLD
S706
Nx
NW-E403/E405/E407
Q501,502
NAND FLASH RAM
IC1461
12
VCC
+2.8V
37 VCC
I/O1 - 8
29 - 32, 41 - 44 16 17 18 19 8 9
15 - 22
174 23 24 26 28 27
FAD0 - 7
LD 1
127 VDIOUS
126 VBUS
128
UDM
129 UDP
130 TRON
102 AN4
104 AN6/INT8
S701
.
103 AN5
105
AN7/INT9
S704
S709
DISP
SEARCH
87 PG1/DREQ0/INT5
81 PF0/EC0/INT3
83
PF2/EC2/INT4
38 45 177 176 191 185 182 76 74 75 73
Q801
LCD
DRIVE
LCD901
LIQUID
CRYSTAL
DISPLAY
32.768KHZ
NOR FLASH / SRAM
IC450
DQ0 - 15 A1 - 20
10 7 6 29 - 36, 38 - 45 1 - 9, 16 - 25, 48 13 26 11
29 31 30 32 38 - 53 197 - 207, 2 - 10 187 186 185
D0 - 15 A1 - 20
PQ8/PGWTR8
PQ3/PGMTR3
PQ2/PGMTR2
PQ1/PGMTR1
IC400
SYSTEM CONTROLLER
NAND FLASH INTERFACE
USB INTERFACE
A/D, D/A CONVERTER
SERIAL INTERFACE
137 138 141 142
X400 X401
22.579MHz 16MHz
7 4 3 2
RTC
IC401
8 9 10
R+2.8V
X402
13 13
14 15 28 10
184 183 182
HP AMP
IC301
PF4/BEEP 85 28 MUTETC
AOUTL 134 25 INA
OUTA 2
AOUTR 133 24 INB OUTB
5
146
35 PWRSW
PQ5 151 39 STB
PQ4 150 38 DATA
149 37 CLK
148 34 MUTE
147 36 RESET
RESET
RST 106
Q506,507
4 OUT VDD 2
+2.8V REG
IC508
PF3/T3 84
PG0/DACK0 86
+2.3V REG.
+VIO
IC509
+2.3V 5 VOUT VIN 2
+2.8V REG.
IC506
+2.8V 5 VOUT VIN 2
3 EN
PI0/DADT 171
Q503,504
AN1 99
PP0/RP 33
+1.2V REG.
IC505
+1.2V 5 VOUT VDD 1
3 EN
CORE SW
IC507
4 VOUT VDD 4
IC503
+2.8V REG
R+2.8V 4 OUT VDD 2
NW-E403/E405/E407
J301
i
+2.8V
IC501(2/2)
POWER CONTROL
7 ISET2
2 STAT1
BT901
15 OUT BAT 5
RECHARGEABLE
16 OUT
BATTERY
6
BAT
Li-ion Mn
17 OUT
1PC,4.0V
Q505
CHG 12 TS
CONTROL
• SIGNAL PATH
: PLAY BACK
: DIGITAL OUT
: DIGITAL IN
: AUDIO