Block Diagram - Sony NW-E503 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 S702 S708
VOL – VOL + >
+2.3V
S705
REPEAT
SOUND
S707
GROUP
G
HOLD
S706
Nx
NW-E503/E505/E507
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
174 15 - 22 23 24 26 28 27 29
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
7 4 3 2
LCD
DRIVE
8
LCD901
LIQUID
CRYSTAL
DISPLAY X402
32.768KHZ
NOR FLASH / SRAM
IC450
DQ0 - 15 A1 - 20
29 - 36, 38 - 45 1 - 9, 16 - 25, 48
10 7 6 13 26 11 14 15
31 30 32 38 - 53 197 - 207, 2 - 10 187 186 185 184 183 182
D0 - 15 A1 - 20
PF4/BEEP
AOUTL
AOUTR
PQ8/PGWTR8
PQ3/PGMTR3
PQ2/PGMTR2
PQ1/PGMTR1
IC400
SYSTEM CONTROLLER
NAND FLASH INTERFACE
USB INTERFACE
A/D, D/A CONVERTER
SERIAL INTERFACE
PF3/T3
PG0/DACK0
PI0/DADT
PP0/RP
137 138 141 142 120 118 119 121
X400 X401
22.579MHz 16MHz
RTC
IC401
IC2001
LOW VOLTAGE
ANT
STEREO RADIO
9 1 10
R+2.8V
DATA 8
WRITE/READ 11
35
RFI1 CLOCK
9
BUSENABLE
13
37 RFI2
L-CH
22
VAFL
A
R-CH
17 XTAL2
VAFR 23
13 13
28 10
HP AMP
IC301
85 28
MUTETC
134 25 INA OUTA 2
133 24 INB OUTB 5
146 35 PWRSW
PQ5 151 39 STB TUINA 31
PQ4 150 38 DATA TUINB 26
37 CLK
149
148 34 MUTE
147 36 RESET
RESET
RST
106
Q506,507
4 OUT VDD 2 +2.8V
+2.8V REG
IC508
84
86
+2.3V REG.
+VIO
IC509
+2.3V 5 VOUT VIN 2
RESET DET
IC2002
1
+2.8V 5 VOUT
Q505
CHG
+2.8V REG.
CONTROL
IC506
+2.8V 5 VOUT VIN 2
3
EN
171
Q503,504
AN1 99
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 2
OUT VDD
NW-E503/E505/E507
J301
i
L-CH
A
R-CH
IC501(2/2)
POWER CONTROL
7 ISET2
2 STAT1
BT901
15 OUT BAT 5
RECHARGEABLE
16 OUT BATTERY
BAT 6
Li-ion Mn
17 OUT
1PC,4.0V
12 TS
• SIGNAL PATH
: PLAY BACK
: DIGITAL OUT
: DIGITAL IN
: TUNER
: AUDIO