Block Diagrams - Sony NW-MS77DR Service Manual

5-1. BLOCK DIAGRAMS

VBUS DET
IC512
VOUT 1 126
VDD 4
VUSB
127
+5VDC
1 +5V
D-
DATA -
128
2
USB
DATA +
D+
CONNECTOR
3 129
GND
USB GND
4 130
AC DETECT
IC509
VCORE
4 VDD
1 VOUT
CN504
STAND
VIO
CONNECTOR
AC
DETECT 89
Q507, 516
XCHG_USB
72
LED_CHG
71
CHG/XDIS_CHG
174
BATT+
+BATT
BATT-
102
+2.3V
104
S705 S704 S703 S702
VOL - VOL + > .
+2.3V 103
105
+2.8V
83
S713
S714
MENU
SOUND/AVLS
S701
Bx
+2.8V 13
L801
D801
• Signal path.
20
F
: PLAYBACK
E : CHECK OUT
j : CHECK IN
NOR FLASH SRAM
IC451
DQ0 - 15 A0 - 17
29 - 36, 38 - 45 1 - 8, 17 - 25, 48 11 13 14 15 26 28
38 - 53 197 - 207, 2 - 8 185 187 184 183 186 182
D0 - 15 A1 - 18
VBUS
VDIOUS
UDM
UDP
TRON
PG3/INT7
SYSTEM CONTROL LER
PE3/RXD1
MEMORY STICK INTERFACE
PE2/TXD1
MAGIC GATE CORE
PI4
NAND FLASH INTERFACE
USB INTERFACE
A/D, D/A CONVERTER
SERIAL INTERFACE
AN4
AN6/INT8
AN5
AN7/INT9
PF2/INT4
160 173 176 60 57 58 76 101 74 75 73
IC801
EL DRIVE
10 11 7 6 4 3 2
VDD
1
LDR
CHV
18 15 16 8 9 10
LCD MODULE
D735
(LCD+LCD DRIVER)
EL PANEL X731
32kHz (RTC POWER)
FLASH RAM
NAND FLASH RAM
IC463
IC461
VCC
I/O1 - 8 7 9
29 - 37, 41 - 44 16 17 18 19 8 7 9
15 - 22 23 24 26 28 27 30 29 32 31
FAD0 - 7
PI3
AOUTL
AOUTR
PF3
MSBS
IC401
MSDIO
MSINS
MSSCLK
ANO
PI7
100 99 87 81 106 172 59
2.3V
LED
DRIVER
Q781
CLOCK
D781
OSC
(ACCESS)
IC731
TH742 TH746
S711 S715
RESET
(BATT) (AIR) HOLD RESET
Q513, 514
S712
GROUP
+2.8V
CORE DET
D735 4 VDD VOUT 1
+1.2V
+2.8V VDD VOUT
4 1
9 9
Q461
2.8V
XPWR NAND
174 HP AMP
IC301
134
2 IN1 OUT1 2
133 8 IN2 OUT2 9
XSTBY
84 7 STB
167
166
169
168
BATT SENS
98
+2.8V REG.
IC510
VOUT VIN
5 1
170 3
CE
+1.2V
Q501
Q511, 512
+2.8V 5 VIN 2
VOUT
3
CE
+2.8V REG.
+VIO
IC506
+2.3V
5 VOUT VIN 1
2
CE
+2.3V REG.
SWITCHING
IC505
Q502
XPWM
+1.4V
+1.2V 5 VOUT VDD 1
3
CE
+1.2V REG.
IC504
IC508
1 VDD 4
VOUT
I/O DET
CORE SW
IC511
IC513
NW-MS77DR
J301
(HEADPHONE)
MS_BS
MS_DIO
MS_INS
(MEMORY STICK)
MS_SCLK
VCC
BATTERY LEVEL DETECT
IC501
1 VOUT VDD 4
D501 L501
RECHAGEABLE
SWITCHING BATTERY
NI-MH
Q503
REG.
IC502
5
3 CE
2
VDD
L502
D502
SWITCHING
Q504
5
3 CE SWITCHING
REG.
2
VDD
IC503