Read Sony NW-MS77DR Service Manual online
NW-MS77DR
9
9
5-1. BLOCK DIAGRAMS
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VBUS DET
IC512
AC DETECT
IC509
NOR FLASH SRAM
IC451
NAND FLASH RAM
IC461
FLASH RAM
IC463
CN504
STAND
CONNECTOR
USB
CONNECTOR
VOUT
VDD
1
1
2
3
4
4
126
38 - 53
185
197 - 207, 2 - 8
187 184 183 186 182
23 24 26 28 27
30 29
32 31
7
9
15 - 22
29 - 37, 41 - 44
29 - 36, 38 - 45
11
1 - 8, 17 - 25, 48
13 14 15 26 28
16 17 18 19 8
7
9
128
129
130
130
89
4
1
72
71
174
102
104
83
160 173
10
13
1
20
11
15
18
16
176 60 57 58
76 101 74 75 73
7 6 4 3 2
8
9
10
100
99
87
81
106
4
1
5
3
3
3
5
2
3
5
2
1
1
5
2
2
1
5
3
3
2
5
3
3
1
1
4
4
4
1
172
59
170
168
169
166
167
84
133
134
174
7
8
2
9
2
127
+5VDC
DATA -
DATA +
GND
DATA -
DATA +
GND
VBUS
VDIOUS
UDM
UDP
TRON
VDD
VOUT
VUSB
D-
+5V
+BATT
D+
USB GND
VCORE
VIO
PG3/INT7
AC
DETECT
Q507, 516
PI4
PE2/TXD1
PE3/RXD1
XCHG_USB
LED_CHG
CHG/XDIS_CHG
BATT+
BATT-
AN4
AN6/INT8
S705
VOL -
S704
VOL +
S703
S702
S701
PF2/INT4
VDD
LDR
CHV
VDD
VDD
VOUT
VOUT
VOUT
VOUT
CE
VDD
VDD
CE
VDD
EXT
CE
VDD
EXT
VOUT
CE
VIN
VOUT
CE
VIN
VOUT
CE
VIN
IN1
2.8V
Q461
OUT1
IN2
STB
OUT2
VOUT
VDD
VCC
MS_SCLK
MS_INS
MS_DIO
MS_BS
PR4
PI2
OUT2
OUT1
OUTCM
OSCOUT
XRST
XCS
SCL
SDA
OSCIN
VDD
ENA2
ENA1
CE
/INTR
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
PI7
98
ANO
MSSCLK
MSINS
MSDIO
MSBS
PF3
AOUTR
AOUTL
PI3
VCC
XPWR NAND
XSTBY
FCE1
FRB1
FCE0
FRB0
FCLE
FAD0 - 7
A1 - 18
D0 - 15
FRE
FWP
FWE
FALE
CSI
WE
RE
CS0
LB
UB
CE
R/B
CE
R/B
CLE
I/O1 - 8
A0 - 17
DQ0 - 15
RE
WP
WE
ALE
BES
WE
OE
BEF
LBS
UBS
EL PANEL
LCD MODULE
(LCD+LCD DRIVER)
CLOCK
OSC
IC731
IC801
EL DRIVE
SYSTEM CONTROL LER
IC401
MEMORY STICK INTERFACE
MAGIC GATE CORE
NAND FLASH INTERFACE
USB INTERFACE
A/D, D/A CONVERTER
SERIAL INTERFACE
D735
D735
(RTC POWER)
X731
32kHz
TH742
(BATT)
TH746
(AIR)
S711
HOLD
S715
RESET
S712
GROUP
CORE DET
IC508
+1.2V REG.
IC504
CORE SW
IC513
+2.8V REG.
IC506
+VIO
+1.4V
+1.2V
+2.8V
+2.3V
+1.2V
+2.8V
2.3V
+2.8V
+2.8V REG.
IC510
BATTERY LEVEL DETECT
IC501
BATT SENS
Q501
+1.2V
Q511, 512
Q502
XPWM
(MEMORY STICK)
J301
(HEADPHONE)
HP AMP
IC301
+2.3V REG.
IC505
D502
L502
L501
D501
SWITCHING
Q504
SWITCHING
Q503
SWITCHING
REG.
IC502
SWITCHING
REG.
IC503
I/O DET
IC511
RESET
Q513, 514
LED
DRIVER
Q781
D781
(ACCESS)
103
105
AN5
AN7/INT9
S714
SOUND/AVLS
S713
MENU
+2.3V
RECHAGEABLE
BATTERY
NI-MH
Bx
• Signal path.
F
: PLAYBACK
E
: CHECK OUT
j
: CHECK IN
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