Sony DSC-TX20 Service Manual ▷ View online
DSC-TX20_L3
2-3E
Ref. No.
Part No.
Description
R431 1-240-688-91 METAL
CHIP
270
5%
1/20W
R432 1-240-688-91 METAL
CHIP
270
5%
1/20W
R433 1-240-714-91 METAL
CHIP
47K
5%
1/20W
R456 1-240-707-91 METAL
CHIP
10K
5%
1/20W
R457 1-240-707-91 METAL
CHIP
10K
5%
1/20W
R458 1-240-711-91 METAL
CHIP
22K
5%
1/20W
R459 1-240-711-91 METAL
CHIP
22K
5%
1/20W
R716 1-240-695-91 METAL
CHIP
1K
5%
1/20W
R757 1-240-687-91 METAL
CHIP
220
5%
1/20W
R771 1-240-683-91 METAL
CHIP
100
5%
1/20W
R772 1-240-687-91 METAL
CHIP
220
5%
1/20W
R773 1-218-957-11 METAL
CHIP
2.2K
5%
1/16W
R1018 1-240-714-91 METAL
CHIP
47K
5%
1/20W
< COMPOSITION CIRCUIT BLOCK >
RB251
1-234-377-21
RES, NETWORK 4.7K (1005X4)
< SENSOR >
* SE001
1-489-735-11
SENSOR, ANGULAR VELOCITY (PITCH/YAW)
* SE101 1-489-167-11 SENSOR MAGNETIC
<
THERMISTOR
>
TH051
1-805-194-21
THERMISTOR, NTC (SMD)
TH251
1-805-194-21
THERMISTOR, NTC (SMD)
< VIBRATOR >
X101
1-781-525-11
VIBRATOR, CRYSTAL (32.768kHz)
* X211
1-487-897-21
SILICON OSCILLATOR (72MHz)
SY-333
4-1
DSC-TX20_L3
4. BLOCK DIAGRAMS
4-1. OVERALL BLOCK DIAGRAM
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
( )
MULTI
CONNECTOR
XSYS_RESET
XSYS_RESET
CLOCK
GENERATOR
(4/8)
IC213
38
28 - 31
32 - 35
24 - 27
5 - 2
16, 1
11,10,14
12,7,8
37
21
20
20
18
XSHUT_SW
SY-333 BOARD
LENS
LENS BLOCK
IRIS
(METER)
IRIS
MOTOR
M
PITCH/YAW
SENSOR
(7/8)
SE001
M
PITCH
MOTOR
XAE_LOCK_SW
XSHUT_SW
XAE_LOCK_SW
M
M
M
IRIS_DIR_A/B, IRIS_BRK_A/B
ZM_DIR_A/B, ZM_BRK_A
XSYS_RESET
BACKUP_VDD
BACKUP_VDD
BACKUP_VDD
XIC_401_RST
FC_DIR_B,
FC_BRK_A
FC_BRK_A
FC_DIR_A/B, FC_BRK_A
IC_401_3_EXPOSE,
IC_401_3_P_LIMIT,
IC_401_IC_211_CLK,
IC_401_INT_REQ
YAW
MOTOR
FOCUS
MOTOR
ZOOM
MOTOR
S003
ZOOM RESET
SENSOR
FOCUS RESET
SENSOR
HALL
ELEMENT
LENS TEMP
SENSOR
HALL
ELEMENT
OPTICAL IMAGE
STABILIZER
XDIRECT_PB
KEY_AD0_A
KEY_AD_0
XPWR_ON
XDIRECT_PB
XPWR_ON
BACKUP_VDD,
XPWR_ON,
XDIRECT_PB
XPWR_ON,
XDIRECT_PB
S001, S002, S004-S006
08
XCHG_LED
XUSB_LED
XUSB_LED
D002
SENS_DATA_P0 - SENS_DATA_P9,
SENS_DATA_M0 - SENS_DATA_M9,
SENS_CLK_P/M
IMGR_RST
XHS, XVS
IC_211_SDI/SDO,
SCK, XCE
DOAP - DOJP,
DOAM - DOJM,
DCKP, DCKM
CN401
IRIS_A/XA/B/XB
PITCH_HALL+/-, PITCH_BIAS-
ZOOM_A/XA/B/XB
YAW+/-
YAW_HALL+/-, YAW_BIAS-
FC_SENS
XFC_RST_LED
PITCH+/-
LENS_TEMP
FC_BRK_A
FC_DIR_A
XZM_RST_LED
ZM_SENS_1ST
FOCUS_A/XA/B/XB
FOCUS_B/XB
ZM_SENS_1ST,
XZM_RST_LED,
FC_SENS,
XFC_RST_LED,
LENS_TEMP
FOCUS_
A/XA
A/XA
FOCUS MOTOR
DRIVE
(7/8)
IC403
OIS DRIVE,
IRIS/ZOOM/FOCUS
MOTOR DRIVE
(7/8)
IC401
CN001
(1/2)
CN705
(1/2)
(1/2)
CD-843 FLEXIBLE BOARD (1/2)
CN705
(2/2)
CD-843 FLEXIBLE
BOARD (2/2)
HC-017 FLEXIBLE
BOARD
CMOS
IMAGER
CP101
K1, L2
Y26, Y25
AC22
J7
H7
AC25
4
1
3
3
J3
OSC_CLK_OUT
72M_CLK_OUT
M1
IMGR_RST
SENS_HD/VD
SENS_SI/SO/SCK/XCS
AH2
E28
AF4
AF4
D1
F5
12M
13, 15
12, 11,
9, 8
39, 40,
42, 43
42, 43
16
7
46,44,42,38,40,26,34,28,30,32,45,
43,41,37,39,25,33,27,29,31,36,35
38, 36
35
44
25,23,21,19,17,13,11,9,7,5,26,
24,22,20,18,14,12,10,8,6,15,16
CPU, CAMERA DSP,
AV SIGNAL PROCESS,
LENS CONTROL,
MODE CONTROL,
HDMI PROCESS
(4/8 - 6/8)
IC211
X211
72MHz
IC_401_SI/SO/SCK, XCS_IC_401
ST-285 BOARD
D002
T001
XE_A
XE_K
FLASH/
CHARGE
CONTROL
IC001
Q003
FLASH
DRIVE
CN756
D752
TH251
CN004
FLASH
UNIT
RL-106
FLEXIBLE
BOARD
D008
+
SELF-TIMER,
SMILE SHUTTER,
AF ILLUMINATOR
ST_UNREG
C901
CHARGING
CAPACITOR
D702
(MS ACCESS)
8
4
6
5
7
STRB_CHG
XSTRB_FULL
STRB_CHG_CONT
STRB_ON
STRB_CHG
XSTRB_FULL
STRB_CHG_CNT
STRB_ON
XAF_LED
STRB_CHG
XSTRB_FULL
STRB_CHG_CONT
STRB_ON
XAF_LED
XMS_ACC_LED
XAF_LED
XAF_LED,
BACKUP_VDD
BACKUP_VDD
STRB_CHG,
XSTRB_FULL,
STRB_CHG_CNT,
STRB_ON
XSTRB_FULL,
STRB_CHG_CNT,
STRB_ON
11
6
23
13
10
25
KEY_AD0_B
26
24
27
27
16
8
7
9
XPWR_LED
XPOWER_LED
KEY_AD_0,
XAE_LOCK_SW,
XSHUT_SW,
XPOWER_LED,
XAE_LOCK_SW,
XSHUT_SW,
XPOWER_LED,
15
BT001
LITHIUM
BATTERY
CN753
CN751
BACKLIGHT
3.0 INCH
WIDE COLOR
LCD
TOUCH PANEL
LCD901
(LCD MODULE)
34 - 57
3, 4
4, 2
5
2
33
31
32
60
61
LCD_HS
LCD_VS
LCD_CLK_OUT
LCD_VS
LCD_CLK_OUT
5
I2C_SDA, I2C_SCK
1, 2
SP+/-
SP901
(SPEAKER)
SP+/-
CAP_TP_INT
I2C_SDA, I2C_SCK, CAP_TP_INT
XCS_LCD
BL_H
BL_L
AV_SI, AV_SO, AV_SCK
XCS_AUDIO
XCS_AUDIO
IC_211_I2S_SDI0/SDO,
IC_211_I2S_BCLK/WCLK,
IC_211_AUDIO_MCLK
AV_SI, AV_SO,
AV_SCK
AV_SCK
AV_SI,
AV_SO,
AV_SCK
LCD_HS
LCD_VS
LCD_CLK_OUT
XCS_LCD
XSYS_RESET
AV_SO, AV_SCK
CN701
CN704
D705
D706
12, 14
11, 13
19
7
21,23,1,
3,15,6
10,8,11,
16,17,7
14
CN702
16,20,24,
14,18,22
12, 10
4
5
8
1
5
8
1
16
10
21
LINEOUT_L
23
LINEOUT_R
XPWR_ON
XPWR_ON
6
BATT_UNREG
17
6
USB_ID
XAV_JACK_IN
USB_VBUS
USB_VBUS_DET
ST_UNREG,
REG_UNREG
REG_UNREG
COMPO_VIDEO
COMPO_VIDEO
XCS_DD
XRESET_REQ
CRADLE_UO/UI
2, 4
ACV_UNREG
MC_USB_DP, MC_USB_DM
USB_ID, XAV_JACK_IN, CRADLE_UO/UI
USB_DP, USB_DM
SD_DAT0 - SD_DAT3, SD_CLK/CMD
MSX_D0 - MSX_D3, MSX_CLK/BS
SD_DAT0 - SD_DAT3, SD_CLK/CMD
MSX_D0 - MSX_D3, MSX_CLK/BS
XEXT_IN
XMS_IN
XMS_IN, XEXT_IN
TE0_XSDCD
MSX_INS_HIZ_MPU
TE0_SDWP
TE0_SDWP
HDMI_DATA0P-DATA2P, HDMI_DATA0N - DATA2N
HDMI_CLOCKP/CLOCKN
HDMI_SDA
HDMI_SCL
HDMI_CEC
HDMI_SCL
HDMI_CEC
HDMI_CLOCKP/CLOCKN
HDMI_SDA
HDMI_SCL
HDMI_CEC
HPD
HPD
MIC_IN_L
MIC101
(MICROPHONE) (L)
CN001
8, 9, 5,
6, 2, 3
11, 12
16
15
14
19
15
14
19
TMDS_DATA0+/-
- TMDS_DATA2+/-
- TMDS_DATA2+/-
TMDS_CLOCK+/-
DDCSDA
DDCSCL
CEC
HPD
HPD
HDMI
BATT_SIG
BATT_GND
BT-066
FLEXIBLE
BOARD
BATT_UNREG
CN706
S
BT901
BATTERY
TERMINAL
BATT_SIG
BATT_SIG
BATT_UNREG
7 - 10
1 - 5
Q211
LEVEL SHIFT
Q212
LEVEL SHIFT
PROGRAMMABLE
BATTERY
CHARGER
(2/8)
IC051
VBUS OVER
CURRENT
DETECT
(2/8)
IC056
FRONT CONTROL,
AUDIO AMP
(3/8)
IC101
C3
MIC_IN_R
USB_SEL
MIC102
(MICROPHONE) (R)
X101
32.768kHz
E1
D1
USB SWITCH
(2/8)
IC052
DC/DC
CONVERTER
(1/8)
IC001
E5
: VIDEO SIGNAL
: VIDEO/AUDIO SIGNAL
: AUDIO SIGNAL
CN001
(2/2)
PITCH_AD
YAW_AD
BL_H/L
LCD_R_D0 - D7, LCD_G_D0 - D7, LCD_B_D0 - D7,
LCD_R_D0 - D7, LCD_G_D0 - D7, LCD_B_D0 - D7,
HDMI_DATA0P-DATA2P, HDMI_DATA0N - DATA2N
MICBIAS_L
MICBIAS_R
D251
I2C_SDA/SCK
USB_SEL
MEMORY
STICK
PRO DUO
SD
49, 50
DSC-TX20_L3
4-2E
4-2. POWER BLOCK DIAGRAM
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
FOCUS MOTOR
DRIVE (7/8)
CLOCK GENERATOR
(4/8)
SY-333 BOARD
ACV_UNREG
CN701
BATT_SIG
BATT_GND
BATT_SIG
BT-066
FLEXIBLE
BOARD
BATT_UNREG
BATT_UNREG
BATT_UNREG
CN706
USB_VBUS
XPWR_ON
XPWR_ON
EVER_VDD
BATT_A/B
ST_UNREG
REG_UNREG
S
BT901
BATTERY
TERMINAL
MULTI
CONNECTOR
6
7 - 10
1 - 5
6
2, 4
7
10
SYS_A/B
A3,B3
USB_A/B
A5,B5
A4,B4
PROGRAMMABLE BATTERY CHARGER
(2/8)
IC051
DC/DC CONVERTER
(1/8)
IC001
IN
OUT
VBUS OVER CURRENT
DETECT
(2/8)
IC056
F050
C1,C2
F053
F052
F001
PVCC3
A4
LX3 A5
IN3 B4
LDOEN D5
PVCC2
D1
PVCC6
F8
MINE6
E7
PVCC7
H5
VCC
E3
PVCC1
A3
PVCC4
E8
L001
L006
LX2 C1
IN2 D2
L003
Vdd
4
Vout
A_1.1V
DDR_1.8V
1
1.1V REG
(1/8)
IC003
USB SWITCH
(2/8)
IC052
Q002, Q003
CE
3
Vdd
4
Vout 1
CE
3
Vdd
4
Vout
DDR_1.2V
DD_1.2V
LX1 A2
IN1 B3
L002
D002
D_VID
VIN2
D3
XSYS_RESET
E5
RESET_N
D1
MS_PWR_ON
B6
AUX_PWR_ON
B5
XCTL
XSYS_RESET
XWAKE
DDR_1.2V
B2
VOUT2 C3
EVER_VDD
BACKUP_VDD
VO4 B7
LX8
H4
OVP8 F4
VL8 G5
PWM8 E6
IN4 C7
AUX_PSW A7
MS_PSW A8
DD_3.1V
1
1.2V REG
(1/8)
IC005
Q001
CE
3
1.2V SWITCH
1.8V SWITCH
A_1.8V
DD_1.8V
LX5
H1
PSWOUT5 F1
L005
VDD
4
VOUT
HDMI_5.0V
HDMI_5V_ON
1
5.0V REG
(1/8)
IC004
CPU, CAMERA DSP,
AV SIGNAL PROCESS,
LENS CONTROL,
MODE CONTROL,
HDMI PROCESS
(4/8 - 6/8)
IC211
CE
3
VDD
4
VOUT 3
2.8V REG
(7/8)
PITCH/YAW
SENSOR
(7/8)
SE001
PANEL
OPEN/CLOSE
DETECT
SE101
IC_401_2.8V
DD_3.1V
DD_1.2V
MT_5.0V
IC402
IC403
IC213
OIS DRIVE,
IRIS/ZOOM/FOCUS
MOTOR DRIVE
(7/8)
IC401
CE
1
MT_5.0V
MS_VCC
MS_VCC
BL_H
BL_L
CABC_PWM
EXT_VCC
EXT_VCC
EXT_VCC
D001
XINT_CHG
GPIO_SB_4
H23
USB_CUR_LIM
TPU5_OUT
AC9
XUSB_PWR_EN
BEEP_PWM_P
J22
USB_VBUS_IC_211
USB_VBUS
AE20
14
23
10
RL-106 FLEXIBLE
BOARD (1/2)
CN756
(1/2)
(1/2)
S002
ON/OFF
ON/OFF
XPWR_ON
BACKUP_VDD
DD_3.1V
BT001
LITHIUM
BATTERY
17
D002
(CHARGE)
USB_VBUS_DET
ST-285 BOARD
D002
T001
L001
CONTROL
FLASH/CHARGE
IC001
C901
CHARGING
CAPACITOR
CN756
(2/2)
CN004
FLASH UNIT
RL-106
FLEXIBLE
BOARD (2/2)
D008
+
SELF-TIMER,
SMILE SHUTTER,
AF ILLUMINATOR
CN001
CD-843 FLEXIBLE BOARD
CMOS IMAGER
CP101
CN705
CN753
L702
DD_3.1V
DD_1.8V
XSYS_RESET
D_LGC_1.2V
IO_1.8V
2.9V REG
CE
VDD Vout
A_2.9V
A_3.1V
LDO_CONT
IC001
5
1, 2
17, 18
21, 22
11, 12
DD_1.2V
LVDS_1.8V
A_3.1V
46
49, 50
33, 34
29, 30
9
3
ST_UNREG
D_3.1V_ST
M_5.0V
D_3.1V_ST
M_5.0V
18 - 21
12
5
1
4
3
ST_UNREG
DD_3.1V
MT_5.0V
CN704
19
12
12
CN401
9
13
39
19
39
19
Z_PI_A
F_PI_A
F_PI_A
BACKLIGHT
3.0 INCH
WIDE COLOR
LCD
TOUCH PANEL
LCD901
(LCD MODULE)
A_3.1V
CN702
2
HDMI_5.0V
HDMI_5V
60
10, 22
61
5
30
29
CN751
6
LENS
BLOCK
18
HDMI
DDR_1.8V
DD_1.8V
A_3.1V
DD_3.1V
A_1.8V
A_1.1V
A_1.1V
EXT_VCC
D_VID
FB351
XUSB_PWR_ON
EVER_VDD
XPWR_ON2
G3
XPWR_ON4
F4
XPWR_ON1
E3
UNREG E2
FRONT CONTROL,
AUDIO AMP
(3/8)
IC101
BACKUP_VDD
DD_1.8V
DD_3.1V
DD_3.1V
IC_401_2.8V
REG_UNREG
XPWR_OFF
D4
BACKUP_VDD D3
UNREG_MON
F2
XPWR_OFF
BATT_SENS
XSYS_RESET C3
XSYS_RESET
XWAKE F1
XWAKE
ACV_DET C2
ACV_DET
nIRQ E1
USB_VBUS_IC_211
TH051
THM E2
GPIO_SB_1
F25
ADC0_IN9
H15
GPIO_S_6 G23
MS_PWR_ON
FRC_RTG_IN1 AD4
SD_PWR_ON
FRC_RTG_OUT2 AD5
HDMI_5V_ON
LCD_CABC_PWM H8
CABC_PWM
XRESET AF4
XSYS_RESET
08
D702
(MS ACCESS)
HC-017
FLEXIBLE
BOARD
CN001
DD_3.1V
BL_H
BL_L
BL_L
XSYS_RESET
1.8V REG
(1/8)
IC006
USB_VBUS_DET
REG_GND
LDO_EN
USB_CUR_LIM
XUSB_PWR_EN
IBUS_DEF A1
nSTDB_EN_HW C4
Q052
USB CURRENT LIMIT SWITCH,
USB POWER ENABLE SWITCH
A1-A3,B1,B2
ADC0_IN0
A18
D251
BATT_SIG
IC_401_2.8V
D053
Q055
UNREG SWITCH
XINT_CHG
XUSB_PWR_ON
nENU_EN_HW B1
Q058
USB SWITCH
LDO_EN
VBAT
C1
BATT_UNREG
MEMORY
STICK
PRO DUO
SD
ACV_DET
DSC-TX20_L3
5-1E
5. FRAME SCHEMATIC DIAGRAMS
CN001
12
5
1
19
23
22
21
20
1
29
1
12
11
0
S001
S002
S003
S004
S005
S006
2
50
1
49
53
51
54
52
CP101
(Not supplied)
CN001
49
50
53
54
52
51
CN705
1
2
CN401
2
1
38
39
CN756
1
2
28
29
1
10
12
12
11
CN706
CN753
60
61
1
2
1
2
24
25
CN702
1
7
6
8
CN751
25
26
2
23
1
24
CN701
28
27
16
1
CN704
SY-333 BOARD (SIDE B)
BT-066 FLEXIBLE BOARD
SY-333 BOARD (SIDE A)
CD-843 FLEXIBLE BOARD
SP901
(SPEAKER)
MIC101
(MICROPHONE) (L)
MIC102
(MICROPHONE) (R)
SP-
SP+
LITHIUM
BATTERY
BT001
RL-106
FLEXIBLE
BOARD
FLEXIBLE
BOARD
(PLAYBACK)
(RELEASE)
(MOVIE)
W
T
(ZOO
M)
ON/OFF
HC-017 FLEXIBLE BOARD
HDMI
LCD901
(LCD MODULE)
3.0 INCH
WIDE COLOR
LCD
BACKLIGHT
TOUCH
PANEL
IC211
(Not supplied)
BT901
BATTERY
TERMINAL
CN004
( )
C901
CHARGING
CAPACITOR
FLASH UNIT
(FL61800)
ST-285 BOARD (SIDE A)
ST-285 BOARD (SIDE B)
1
12
13
14
( )
MULTI
CONNECTOR
SE001
(PITCH/YAW)
LENS BLOCK
+
Click on the first or last page to see other DSC-TX20 service manuals if exist.