Sony ICD-AX412 / ICD-AX412F Service Manual ▷ View online
ICD-AX412/AX412F
ICD-AX412/AX412F
21
21
10
2
4
5
7
6
8
3
9
1
E
A
C
B
F
D
G
6
MAIN
16
(3/7)
MAIN
BOARD
BOARD
(7/7)
MAIN
BOARD
(1/7)
14
5
MAIN
BOARD
(3/7)
(1/7)
15
BOARD
MAIN
BOARD
(7/7)
17
MAIN
IC B/D
IC B/D
0
3.1
0
0
3
0
0
3
0.1
0
0
3
3
AX412F
TOTAL CURRENT
PLAY:40mA
REC:50mA
STOP:18mA
FF:60mA
FR:60mA
IC501
IC601
MAIN BOARD (4/7)
S
C501
0.1u
C502
0.47u
JL501
JL503
VDD_CHG
VDD_BATT
VDD_REGIO31
CHG_EN_CLK
C503
0.1u
TH501
TEMP_AD
C508
0.1u
L501
4.7uH
C506
0.047u
CHG_AMP_AD
R502
10k
R506
220
R505
75k
0.5%
R503
1M
R507
0.47
R504
100k
0.5%
JL502
BATTM
CHG_AMP_SEL
CHG_EN
R510
0
IC501
AK7903-L
BATTERY CHARGE CONTROL
1
2
3
4
5678
10 11 12
13
14
15
16
9
D501
DA2J10100L
D502
DA2J10100L
R512
1k
C505
1u
C509
1u
C510
1u
C511
1u
R513
0
R514
470
C604
220p
32K_CLK
TU_OUT_R
C601
10u
L602
270nH
VDD_REGADA31
I2C_SDA
C605
0.1u
I2C_SCL
TU_OUT_L
L601
2.2uH
AU_TU_XRST
VDD_REGANA29
C606
0.1u
C603
0.001u
C602
0.001u
IC601
SI4708-B-GMR
BROADCAST FM RADIO
TUNER FRONT END
1
N
C
2
FMI
3
RFGND
4
RST
5
SEN
6
SCLK
7
SDIO
8
VIO
10
VD
11
GND
12
ROUT
13
LOUT
14
VA
15
GPO
16
NC
9
RCLK
TU_ANT
JL601
R604
0
R603
0
R601
2200
D601
JDP2S02AFS,L3SOF(T
R602
0
CL603
CL602
JL604
DGND
ISET
GND
SW
VIN
RT
COMP
FB
SENS
CONT
EN2
VDD
OPOUT
NIN
PIN1
PIN2
EN1
BATT+
BATT-
BATTM
SIZE
AAA
IEC DESIGNATION
DRY BATTERY
LR03
2PCS,3V
( )
3-8. SCHEMATIC DIAGRAM – MAIN Section (4/7) –
• See page 26 for IC Block Diagrams.
Note: When IC601 on the Main board are damaged, exchange the
new Main board for the Main board which IC damaged.
(Page 24)
(Page 18)
(Page 20)
(Page 20)
(Page 18)
(Page 24)
ICD-AX412/AX412F
ICD-AX412/AX412F
22
22
10
2
4
5
7
6
8
3
9
1
E
A
C
B
D
9
MAIN
BOARD
(1/7)
(7/7)
10
BOARD
MAIN
IC B/D
3.1
3.1
IC701
MAIN BOARD (5/7)
C701
0.1u
C702
0.1u
CN701
19P
1
MS_BS
2
MS_VCC/DATA1
3
MS_SDIO/DATA0
4
MS_DATA2
5
MS_INS
6
MS_DATA3
7
MS_SCLK
8
MS_VCC
9
MS_VSS
10
Reserved
11
Reserved
12
SD_DATA2
13
SD_DATA3
14
SD_CMD
15
SD_VDD
16
SD_CLK
17
SD_VSS
18
SD_DATA0
19
SD_DATA1
C704
1u
R707
220
R712
47k
R704
220
R710
47k
R705
220
R708
220
R703
220
R711
47k
R706
220
R713
47k
R701
47k
R709
47k
SD1_DATA3
SD1_CMD
SD1_DATA1
SD1_CKO
SD1_DATA2
SD1_DATA0
VDD_REGMSSD
CARD_XDET
R716
1M
VDD_REGIO31
CARD_SDXMS
R717
470k
DGND
R702 470
IC701
TC7SH08FU
SD/MS SELECT CONTROL
1
INB
2
INA
3
GND
4
OUTY
5
VCC
C705
0.1u
Q701
RW1A025ZPT2R
SWITCH
R714
0
JL908
CN701
M2/micro SD
(20)
(21)
1
2
5
6
4
3
3-9. SCHEMATIC DIAGRAM – MAIN Section (5/7) –
• See page 26 for IC Block Diagrams.
(Page 18)
(Page 24)
ICD-AX412/AX412F
ICD-AX412/AX412F
23
23
3-10. SCHEMATIC DIAGRAM – MAIN Section (6/7) –
2
4
5
7
6
8
3
9
1
E
A
C
B
F
D
13
MAIN
BOARD
(1/7)
MAIN
BOARD
(1/7)
11
MAIN
BOARD
(1/7)
24
MAIN
BOARD
(1/7)
12
3.1
MAIN BOARD (6/7)
C405
0.001u
C403
0.1u
C404
0.1u
C402
0.1u
C401
0.1u
VDD_REGIO31
KEY_XDPC
KEY0_AD
KEY1_AD
KEY_WAKE
JL401
R410
1k
R403
470k
R404
1k
R401
10k
R408
1k
R402
10k
R421
10k
R419
22k
S403
S405
S407
S411
S409
S414
S416
R407
1k
R409
1k
R411
2200
R413
2200
R415
4700
R417
10k
S406
S404
S410
S412
S408
S413
S415
R418
10k
R412
2200
R420
22k
R416
4700
R414
2200
S401
R406
1k
R405
470k
KEY_XNR
LCD_A0
CPU_XRST
SPI0_SCLK
LCD_XCS
DGND
SPI0_MOSI
CN451
10P
1
VG
2
XVO
3
V0
4
VSS
5
AVDD
6
SDA
7
SCLK
8
A0
9
RSTB
10
CSB
C453
1u
C452
0.1u
C454
1u
Q401
DRA3114Y0L
KEY WAKE UP SWITCH
S402
JL402
VOL
ERASE
FOLDER
T-MARK
DISP MENU
-
+
A-B
ENTER
REC/PAUSE
+
DPC(SPEED CTRL)
NOISE CUT
OFF
ON
ON
OFF
SPEED -
SPEED +
LIQUID
DISPLAY
LCD101
CRYSTAL
PANEL
1
2
3
1
2
3
(Page 18)
(Page 18)
(Page 18)
(Page 18)
ICD-AX412/AX412F
ICD-AX412/AX412F
24
24
3-11. SCHEMATIC DIAGRAM – MAIN Section (7/7) –
Note: When IC908 on the Main board are damaged, exchange the
new Main board for the Main board which IC damaged.
10
2
4
5
12
11
7
6
8
3
9
1
13
E
I
A
C
H
B
F
D
G
J
14
15
16
MAIN
BOARD
(4/7)
19
(1/7)
MAIN
BOARD
BOARD
22
(1/7)
MAIN
BOARD
(1/7)
25
MAIN
7
MAIN
BOARD
(3/7)
(4/7)
17
BOARD
MAIN
(1/7)
BOARD
21
MAIN
(1/7)
MAIN
20
BOARD
18
MAIN BOARD
(1/7)
BOARD
(5/7)
10
MAIN
BOARD
(1/7)
23
MAIN
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
3.3
0
3
3
2.8
3.3
3.1
3.3
3.3
2.9
3.1
3.3
3.3
1.8
2.8
3.3
2.8
1
3.1
3.3
2.7
2.7
2.7
1
3.1
3.3
0
0
3
3
2.8
2.8
0
3
0
0
0
0
0
2.7
2.7
0
0
1.5
0
2.8
0
0
2.7
0
3
3.1
1.5
0
0
0
3.1
3.1
2.8
3.1
0
0
0
0
3
MAIN BOARD (7/7)
IC902
IC942
IC941
IC903
IC907
IC904
IC905
IC910
IC908
IC901
IC911
IC963
IC961
IC962
KEY_XHOLD
KEY_POFF_XDET
PWR_ON
RTC_XINT
VBUS_XDET
AU_PWR_CTL
SD_PWR_CTL
KEY_XHOLD
BATT_AD
RTC_XINT
VBUS_XDET
KEY_POFF_XDET
BATTM_AD
BATT_AD
BATTM_AD
HP_MUTE
ZLOAD_CTL
HP_MUTE
SD_PWR_CTL
VB2
ZLOAD_CTL
PWR_ON
AU_PWR_CTL
LDO_EN
C908
0.1u
C965
0.1u
Q941
LSK3541FS8T2L
HOLD CONTROL
Q942
DRC3144E0L
POWER OFF DETECT
D902
RR264M-400
Q945
RZM002P02T2L
POWER SWITCH
VDD_VBUS
VDD_REGIO31
VDD_REGANA29
VDD_REGMSSD
VDD_REGCORE
VDD_REGADA31
VDD_SP
DGND
PWR_ON
RTC_XINT
AU_PWR_CTL
SD_PWR_CTL
BATT_AD
KEY_XHOLD
KEY_POFF_XDET
VBUS_XDET
Q944
RUM002N02T2L
POWER SWITCH
Q962
LSK3541FS8T2L
SWITCH
C941
0.1u
IC961
BD6041GUL
A2
IN1
A3
IN2
B2
IN3
B3
IN4
A1
OUT1
B1
OUT2
C3
GND
C1
OK
C2
EN
C964
0.1u
C962
0.1u
C922
1u
C921
1u
MM3273BURE
IC941
1
CE
2
GND
VOUT
3
VDD
4
C935
100u
6.3V
D964
RR264M-400
C919
1u
IC907
RP114N311D-TR-FE
1 VCC
2 GND
3 CE
2 GND
3 CE
4
NC
5
VOUT
C926
47u
6.3V
C930
1u
C929
1u
VDD_CHG
VDD_REGRTC
VDD_BATT
JL905
JL961
JL904
JL903
JL906
JL902
JL901
R942
1M
R941
1k
R944
470k
R943
1M
R909
10k
R965
470k
R919
330k
0.5%
R929
100
R925
470k
R920
68k
0.5%
R964
470k
R923
470k
R945
10k
BATTM
C909
220u
10V
BATTM_AD
C916
10p
L901 4.7uH
R916
470k
R901
10k
R904
100k
0.5%
R902
100k
0.5%
R905
100k
Q901
LSK3541FS8T2L
PST8216UL
IC901
DETECT
1
VOUT
2
VIN
NC
3
VSS
4
R918
100k
0.5%
CHG_EN
R906
10k
Q903
LSK3541FS8T2L
R907
100k
C904
0.1u
Q902
RUM002N02T2L
C906
0.1u
R911
47k
R910
15k
Q906
LSK3541FS8T2L
SWITCH
Q905
RZM002P02T2L
SWITCH
C911
0.1u
R914
470k
R946
1M
R948
1M
R947
1M
C968
0.1u
C967
0.1u
IC962
TK77335AM4
1
NC
2
Vin
3
GND
4
Vcont
5
Np
6
NC
7
Vout
8
NC
IC902
XC9129S001DR
DDC1 +3.3V REG
1
PGND
2
Lx
3
BAT
4
EN
5
NC
6
NC
7
AGND
8
FB
9
MODE
10
VOUT
11
GND
MM3404A18URE
IC910
1
CE
2
GND
VOUT
3
VDD
4
C936
1u
C937
1u
VDD_REGADA18
JL909
C903
0.1u
D904
DB2S31100K8
R903
1M
D903
DA2J10100L
D961
DA2J10100L
D901
RB160M-30TR
D962
RB160M-30TR
D941
DA2J10100L
D943
DA2J10100L
D944
DA2J10100L
D942
DA2J10100L
C910
1u
PST8431UL
IC911
CHARGE CONTROL
1 GND
2 VDD
2 VDD
CD
3
OUT
4
C907
0.1u
R930
6.8
R931
470k
Q943
DRA3114Y0L
RTC SWITCH
MM3404A10URE
IC904
1
CE
2
GND
VOUT
3
VDD
4
MM3404A29URE
IC905
1
CE
2
GND
VOUT
3
VDD
4
MM3271AURE
IC903
1
CE
2
GND
VOUT
3
VDD
4
Q801
RW1A025ZPT2R
VDD VBUS SWITCH
Q907
RW1A025ZPT2R
SWITCH
HP_MUTE
ZLOAD_CTL
C961
0.47u
S941
(HOLD POWER)
1
2
4
5
3
6
7
C939
1u
C925
1u
C932
10u
IC908
S-1137A31-I6T2G
1
VOUT
2
VSS
3
SSC
4
CE
VSS
5
VIN
6
C918
0.01u
C938
22u
16V
R949
1k
R966
1k
PST8137UL
IC963
SWITCH
1
VOUT
2
VDD
NC
3
GND
4
R908
0
C927
0.1u
C920
0.1u
JL907
C940
47u
6.3V
R917
0
Q908
LSK3541FS8T2L
BATTERY DETECT
IC942
PST8117UL
1
OUT
2
VDD
NC
3
GND
4
C942
0.1u
JL941
C969
10u
R969
47k
R968
47k
C972
0.001u
R970
0
C913
22u
16V
C912
10u
16V
Q963
LSK3541FS8T2L
SWITCH
DGND
VDD_REGANA29
VDD_REGANA29
VDD_REGADA31
DGND
DGND
POW ON/OFF
HOLD ON
HOLD OFF
Q901,902
BATTERY SWITCH
ZLOAD CONTROL
+3.1V REG
REGRTC +1.0V REG
REGIO31 +3.1V REG
REGCORE +1.0V REG
REGANA +2.9V REG
REGADA +1.8V REG
REGMSSD +3.1V REG
VDD VBUS REG
+4.0V REG
3
4
6
1
5
2
3
1
2
5
6
4
CHARGE SWITCH
S
S
S
S
S
S
S
S
S
S
S
(Page 18)
(Page 18)
(Page 21)
(Page 20)
(Page 22)
(Page 18)
(Page 18)
(Page 18)
(Page 18)
(Page 18)
(Page 21)
• Refer to page 25 for IC Block Diagram.
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