Read Sony ICD-PX820 / ICD-PX820D / ICD-PX820M Service Manual online
ICD-PX820/PX820D/PX820M
ICD-PX820/PX820D/PX820M
11
11
3-1. BLOCK DIAGRAM
J1002
i
(SPEAKER)
SP101
+
-
+
-
+
-
N11
J10
P11
K10
K10
M12
P12
N12
H11
N12
H11
DIN/PCM_ADDT
DOUT/PCM_DADT
LRCK/P12/PCM_LRCK
BCK/PCM_BCK
DOUT/PCM_DADT
LRCK/P12/PCM_LRCK
BCK/PCM_BCK
C8 AN3/MICHP_AD
B8 AN1/KEY_AD0
AN1/KEY_AD1
A7
N9
L8 EXTINT1/P22/KEY_HOLD
EXTINT2/P23/KEY_WAKE
A10 DP
A9 DM
H4 EXTFIQ/P2F/VBUS_XDET
E14 XIN1
B14 XOUT1
12
11
13
14
10
11
13
14
10
9
17
7
SDTO
SDTI
J4
SDI1/P16/SP_PWR
18
20
20
P43/SI/RX/SPI0_MOSI
P44/SO/TX/SPI0_MISO
P45/SCK/SPI0_SCK
P42/INT1/PWC/SCPU_CS
P44/SO/TX/SPI0_MISO
P45/SCK/SPI0_SCK
P42/INT1/PWC/SCPU_CS
SP_PWR
J1
H5
SDO0/P09/SPI0_MOSI
SDI0/P0A/SPI0_MISO
SCK0/P08/SPI0_CLK
TIOCA1/P18/SCPU_CS
NRES/MCPU_XRST
NTRST/JTAG_NTRST
25
H3
17
M1
G5
E3
VDD_DDCOUT+3.3V
VDD_MCPU+1.1V
VDD_UNREG
VDD_RTC
VDD_CPU+3.1V
(+1.1V)
C13
VDET/RTC_VDET
K9
EXTINT4/P25/RTC_XINT
P8
EXTINT0/P21/BATTAD_EN
B13
RTCINT
22
23
X0
33
X1
19 /RST/SCPU_XRST
J5
A8
TXD1/P2A/ADA_PWR
ANO/BATT_AD
K1
SDO1/P15/GPIO_P15
G4
PHI/P11/BATT_XEN/UPG_RESULT
ADA_PWR
VDD_ANA+2.9V
VDD_MCPU1.1V
VDD NAND+3.1V
BATT_AD
VBUS_SPPWR
BATT_XEN
LRCK
BICK
CDTI/SDA
CCLK/SCL
MCKI
PDN
SDTO
SDTI
LRCK
BICK
I2C_SDA
I2C_SCL
MCKI
ADA_XRST
SDTI
LRCK
BICK
I2C_SDA
I2C_SCL
MCKI
ADA_XRST
I2C_SDA
SCL/P28/I2C_SCL
MCLK/P13/PCM_MCLK
ADA_XRST
SCL/P28/I2C_SCL
MCLK/P13/PCM_MCLK
ADA_XRST
MICHP_DPC_AD
31
32
32
30
29
29
LIN1/IN1-
1 MPWR
RIN1/IN1+
LIN2/IN2+
RIN2/IN2-
RIN2/IN2-
B4
RP
A0
–
19
D0
–15
N4
F1
E
M6
G1
G
G13
H5
DAT2
E12
J2
DAT3
G12
W6
CLK
F11
NRD
N7
A4
W
NWRENWRL/NWE
H13
H3
DAT0
F12
H4
DAT1
SDAT0/DATA0/SD_DATA0
SDAT1/DATA1/SD_DATA1
SDAT2/DATA2/SD_DATA2
SDAT3/DATA3/SD_DATA3
SDCLK/SCLK/SD_CLK
SDCMD/BS/SD_CLK
SDAT1/DATA1/SD_DATA1
SDAT2/DATA2/SD_DATA2
SDAT3/DATA3/SD_DATA3
SDCLK/SCLK/SD_CLK
SDCMD/BS/SD_CLK
NCS0
A0
–
19
D0
–
15
W5
CMD
KEY_AD0
KEY_AD1
KEY_AD1
KEY_AD0_WAKE
KEY_AD1_WAKE
KEY_HOLD
1 NSHUTDOWN
4 IN-
27
LOUT/
LOP
21
HPR
22
HPL
E1,D1,C1,A1,B1,D2,C2,
A2,B5,A5,C5,D5,B6,A6,
C6,D6,E6,B2,C3,D4
D7,B4,C5,A3,D6,B3,E7,D5,
C3,B1,D4,C1,D1,D2,E1,F5,
C3,B1,D4,C1,D1,D2,E1,F5,
F4,F2,G3,H2
E2,H2,E3,H3,H4,E4,H5,E5,
F2,G2,F3,G3,F4,G5,F5,G6,
F2,G2,F3,G3,F4,G5,F5,G6,
M10,L10,G10,M11,L11,N13,K11,P13,
P14,M13,K12,L13,L14,J12,K14,G11
COM0
–
COM3
SEG0
–
SEG33
I
SEG36
–
SEG41
P17/SEG35/LED_XRED
5
OUT+
6
VDD
VDD_UNREG
8
OUT-
19
P30/LED_XGRN
D6051 (RED)
D6052 (GREEN)
(OPERATION)
5
–
1,64
–
57,
55
–
35,32
–
27
9
–
6
1
–
4
5
–
44
LCD101
LCD CONTROL
IC5521
D3051
LIQUID
CRYSTAL
DISPLAY
PANEL
B14 XIN32K
C14 XOUT32K
VDD MCPU
+1.5V
REG
IC3670
VBUS+3.6V
REG.
IC3610
RTC INT SWITCH
Q6093
KEY MATRIX
S6002
–
6006,6011
S6012
–
6016
KEY WAKEUP SWITCH
Q6092
VDD BATT SWITCH
Q3022 (2/2)
SWITCH
Q3006
X4543
12MHz
X5521
4MHz
X4542
32.768kHz
2 VIN
Q3001 (1/2)
Q3001 (2/2)
D3001
+5.7V DETECT
IC3001
1
VOUT
2 VIN
+4.0V DETECT
IC3002
1
VOUT
Q3022
(1/2)
VOUT
RESET
IC3061
2
VDD
VOUT
RESET
IC3062
2
VDD
4
1
VDD_DDCOUT+3.3V
OUT
D3680
VOLTAGE DETECT
IC8021
2
VDD
4
VOUT
+1.4V DETECT
IC3021
4
VIN
3
VOUT
L3601
DRY BATTERY
SIZE “AAA”
IEC DESIGNATION
LR03
2PCS,3V
DC/DC CONVERTER
IC3600
3
BAT
2
LX
4
EN
10
FB
8
MODE
9
VDD
MCPU+1.1V
REG
IC3680
VDD
ANA+2.9V
REG
IC3640
VBUS POWER
SWITCH
Q3007,3008
VDD BAT
SWITCH
Q3025
RTC
BACK UP
REG.
IC3051
VDD
CPU+3.1V
REG
IC3620
VDD
NAND+3.1V
REG
IC3630
MIC101
(MICROPHONE)
J1001
S6021
HOLD
FLASH MEMORY
IC6000
SERIAL DATA CONTROL
IC6501
MIC/HP AMP, CODEC(ADC,DAC)
IC2001
SPEAKER AMP
IC1001
MEMORY CONTROL,SYSTEM CONTROL
IC4541
CN4541
(USB)
1
2
3
5
D+
VBUS
D
–
ON
R
OFF
(PLUG IN POWER)
m
VBUS
SWITCH
Q3002
Signal path
: REC
: PB
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