Read Sony ICD-PX312 / ICD-PX312D / ICD-PX312F / ICD-PX312 M / ICD-PX312M (serv.man2) Service Manual online
ICD-PX312/PX312D/PX312F/PX312M
ICD-PX312/PX312D/PX312F/PX312M
14
14
DRY BATTERY
SIZE"AAA"
(IEC DESIGNATION LR03)
VDD_SP
2PCS,3V
94
98
93
LCD101
LIQUID
CRYSTAL
DISPLAY
PANEL
D101,102
(OPERATION)
53
3
103
104
104
RESET
VDD_REGIO31
IC101
SDI1/GPIO0E/EXTINT1E
SDO1/GPIO0F/EXTINT1F
SDO1/GPIO0F/EXTINT1F
LCD_XCS
LCD_A0
SPIO_SCLK
VDD_REGANA29
VDD_REGIO31
VBUS_XDET
SYSTEM CONTROL
IC104 (2/2)
SCK0/GPIO1D
SDO0/SPIO1F
SDO0/SPIO1F
SPIO_MOSI
CPU_XRST
RXD1/GPIO05/EXTINT15
TXD1/GPIO04/EXTINT14
59 NTRST
61 NRES
73 BACKUPB
EXTFIQ/GPIO2A
TCLKA/GPIO00/MPMCADDR11/EXTINT10
TCLKB/GPIO01/MPMCADDR12/EXTINT11 54
AN2
13
SDWP1/INS/GPIO21
KEY MATRIX
S402-S414
KEY WAKEUP
SWITCH
Q401
KEY0_AD
AN0
KEY1_AD
KEY WAKUP
AN1
EXTINT00/GPIO2B
6
NR
S401
NOISE CUT
EXTINT01/GPIO2C
OFF
ON
72
RTCINT
71
SDWP0/GPIO28
VDET
VBUS
Q961
VDD_REGRTC
VDD_REGANA29
VDD_REGADA18
VDD_REGMSSD
VDD_REGCORE
VDD_REGIO31
DC/DC CONVERTER
IC902
BATTERY VOLTAGE
SWITCH
Q905
3
BAT
REGRTC+1.0V REG
IC904
REGANA+2.9V REG
IC906
VOUT
8
4
FB
EN
10
VDD_REGADA31
101
S941
(HOLD/POWER)
Q941
D942
Q942
Q943
PWR_ON
KEY_POFF_XDET
KEY_XHOLD
SD_PWR_CTL
AU_PWR_CTL
BATT_AD
POWER ON/OFF
HOLD ON
HOLD OFF
RESET
VDD_REGIOCORE
IC102
5
126
125
MAIN
SECTION
A
1
2
VBUS DETECT
IC962
VOUT
VDD
2
7
OVER VOLTAGE
PROTECT SWITCH
IC961
VIN
VOUT
4
VCONT
1
2
LOW BATTERY
VOLTAGE DETECT
IC901
VOUT
VIN
2
LX
POWER
SWITCH
Q944,945
D943
D944
D965
D901
VB2
D962
X102
48MHz
48
46
XIN1
XOUT1
X101
32.768kHz
68
70
XIN32K
SCK1/GPIO0D/EXTINT1D
XOUT32K
VDD_REGIO31
4
2
VOLTAGE DETECT
IC103
OUT
RTC_VDET
VIN
102
124
31
EXTINT04/GPIO2F
D941
HP_MUTE
9
SWITCH
Q903,904
+3.1V REG
IC903
POWER
CONTROL
IC911
BATTERY
DETECT
Q902
REGADA+1.8V REG
IC908
REGMSSD+3.1V REG
IC910
REGCORE+1.0V REG
IC905
REGIO31+3.1V REG
IC909
LED
CONTROL
Q101,102
3-2. BLOCK DIAGRAM – POWER/DISPLAY Section –
(Page 13)
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