Sony ICD-PX312 / ICD-PX312D / ICD-PX312F / ICD-PX312 M / ICD-PX312M (serv.man2) Service Manual ▷ View online
ICD-PX312/PX312D/PX312F/PX312M
ICD-PX312/PX312D/PX312F/PX312M
13
13
FLASH MEMORY
IC204
106
34
35
35
2
36
1
CN801
(USB)
2
3
5
3
5
VBUS
D–
D+
GND
D–
D+
GND
36
37
37
81
99
55
11
10
M5
SDTO
20
SPP
19
SPN
BICK
LIN2
RIN2
RIN2
CMD
SDCMD0
M6
CLK
SDCLK0
A3
24
23
25
23
25
DAT0
SDAT00
A4
DAT1
SDAT01
A5
DAT2
SDAT02
B2
DAT3
SDAT03
USBDDP
USBDDM
7
EXTINT02/GPIO2D
CARD_XDET
16
SDAT11/DATA1/GPIO25
SDAT10/DATA0/GPIO24
SDAT12/DATA2/GPIO26
SDAT10/DATA0/GPIO24
SDAT12/DATA2/GPIO26
SDAT13/DATA3/GPIO27
SDCMD1/BS/GPIO23
SDCD1/GPIO20
SDCLK1/SCLK/GPIO22
15
18
18
19
20
20
14
1
2
2
4
12
I2C-SDA
I2C-SCL
AU_TU_XRST
32K_CKL
EXTMIC_XDET
BCK/GPIO19
LRCK/GPIO1A
DIN/GPIO1B
8
SDTI
DOUT/GPIO1C
RXD2/GPIO0C/EXTINT1C
SDA/GPIO08/EXTINT18
SCL/GPIO07/EXTINT17
SDI0/GPIO1E
PHI/GPIO06/EXTINT16
TIOCB0/GPIO02/
DMCK0/EXTINT12
LIN1/DMDAT
J301
PLUG IN
POWER
DIGITAL AUDIO CODEC,AMP
IC301
SYSTEM CONTROL
IC104 (1/2)
MIC101
(MIC)
MPWR2
1 MPWR1
32 LIN3
33
33
5
6
6
RIN3
LRCK 9
83
88
87
86
MCLK/GPIO18
MCKI 14
82
22
HPL
23
HPR
2
13
LOUT
12
ROUT
7
SDIO
6
SCLK
9
RCLK
CSN/SDA
4
4
RST
PDN
CCLK/SCL
FMI
PX312F
BROADCAST FM RADIO
TUNER FRONT END
IC601
J302
i
96
SP101
(SPEAKER)
m
HP_XDET
VBUS
SLJQDO PDWK
: MIC
: AUDIO (DIGITAL)
: AUDIO (ANALOG)
: FM
: USB
1
2
3
4
2
3
4
MS_BS
CN701
MS_VCC/DATA1
MS_SDIO/DATA0
MS_DATA2
MS_SDIO/DATA0
MS_DATA2
5
6
7
8
6
7
8
MS_INS
MS_DATA3
MS_SCLK
MS_DATA3
MS_SCLK
M2/PLFUR SD
MS_VCC
12
13
14
15
13
14
15
SD_DATA2
SD_DATA3
SD_CMD
SD_VDD
SD_DATA3
SD_CMD
SD_VDD
16
18
19
18
19
SD_CLK
SD_DATA0
SD_DATA1
SD_DATA0
SD_DATA1
Q701
VDD_REGMSSD
MS DETECT
IC701
79
26
28
29
28
29
POWER
SECTION
A
SECTION 3
DIAGRAMS
3-1. BLOCK DIAGRAM – MAIN Section –
(Page 14)
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)
ICD-PX312/PX312D/PX312F/PX312M
ICD-PX312/PX312D/PX312F/PX312M
15
15
For Schematic Diagrams.
Note:
• All capacitors are in
• All capacitors are in
μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in
Ω and 1/4 W or less unless otherwise
specifi ed.
• f : internal component.
• C : panel designation.
• C : panel designation.
• A : B+ Line.
• Power voltage is dc 3.0V and fed with regulated dc power
• Power voltage is dc 3.0V and fed with regulated dc power
supply from battery terminal.
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : REC
( ) : PLAY
( ) : PLAY
*
: Impossible to measure
• Voltages are taken with VOM (Input impedance 10 M
Ω).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
F
: AUDIO (ANALOG)
L : MIC
g : FM
J
g : FM
J
: AUDIO (DIGITAL)
c : USB
E
E
: M2/SD
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• Waveforms
– MAIN Board –
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
•
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
(G) B
(D) C
These are
omitted.
omitted.
E (S)
Q
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• Lead layouts
surface
CSP (Chip Size Package)
Lead layout of conventional IC
C
B
These are
omitted.
omitted.
E
Q
0.2 Vp-p
48 MHz
0.5 Vp-p
32.768 kHz
0.1 V/DIV, 0.1 ȝsec/DIV
0.2 V/DIV, 20 ȝsec/DIV
1
IC104
rh (XOUT1)
2
IC104
yk (XIN32K)
ICD-PX312/PX312D/PX312F/PX312M
ICD-PX312/PX312D/PX312F/PX312M
16
16
1
A
B
C
D
E
F
2
3
4
5
6
7
8
9
10
11
12
13
14
LCD101
LIQUID
CRYSTAL
DISPLAY
PANEL
MAIN BOARD (SIDE A)
1-883-445- (11)
11
R401
D941
D942
R403
D943
R404
D944
R210
R405
R21
1
R212
R407
R409
R601
R602
R603
R410
R604
R41
1
R412
R413
R414
R416
D962
D963
D964
D965
D966
C201
C202
C203
C207
C208
C401
IC961
IC962
CL101
CL102
CL103
CL104
CL105
C601
CL106
C602
CL107
C603
CL108
C604
CL109
C605
C606
CL301
R451
CL302
R452
CL303
R453
CL110
CL304
CL111
CL305
CL306
CL112
CL307
S402
S404
S406
S407
S408
S409
CN451
S410
S411
S412
CL901
CL903
CL904
CL905
CL906
CL907
CL908
CL909
CL910
Q101
C452
C453
C454
D601
Q701
IC204
Q902
Q903
Q904
Q905
IC601
CL961
CL962
CL964
CL965
CL966
FB303
R101
R103
R104
R105
R106
R301
R302
Q941
R111
Q942
Q943
Q944
Q945
R1
15
R116
R1
17
R1
19
R120
R121
R122
R702
Q961
R902
R328
R904
R329
R905
R906
R907
R908
C101
R332
C102
C103
R333
C104
R910
C105
R911
R912
C106
R913
R918
C301
C302
X101
X102
C1
14
C309
R921
R923
C118
C318
C702
C128
C705
CL401
CL402
C901
C327
C904
C905
C135
C136
R942
C137
R943
C907
R944
CL601
R945
C139
CL602
R946
R947
R948
R949
C913
C914
CL801
C146
C916
CL802
C147
C917
C148
C919
C149
JL901
JL902
C920
C921
C924
C925
R962
C927
R964
C928
R965
R968
R969
C930
D101
C932
D102
R972
R973
C941
IC101
IC102
IC103
L601
D901
C961
L602
C962
D902
C963
C965
IC701
IC901
IC905
IC906
IC908
IC909
IC910
IC911
R201
R202
R203
R204
R205
R206
R207
R208
R209
MIC101
(MIC)
SIZE “AAA”
IEC DESIGNATION
DRY BATTERY
LR03
2PCS,3V
SP101
(SPEAKER)
1
2 3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
3
4
6
1
2 3
4
1
3
4
5
1
3
4
5
1
3 4
6
1
2
3
4
1
3 4
6
1
10
1
4
5
8
1 2
3
4
1
5
9
13
C906
>
+
T-MARK
x
– .
B
ENTER
PLAY/STOP
REC/PAUSE
DISP/
MENU
SCENS
D101,102
(OPERETION)
Note: When IC204, IC601 and IC910 on the Main board are damaged, exchange
the new Main board for the Main board which IC damaged.
3-3. PRINTED WIRING BOARD – MAIN Section (1/2) –
•
: Uses unleaded solder.
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