Read Sony DSC-T20 / DSC-T20HDPR / DSC-T25 (serv.man2) Service Manual online
DSC-T20/T25_L2
3-4E
CN704
SY-170 BOARD (2/2)
Q706
IC203
CAMERA DSP,
LENS
CONTROL,
MODE
CONTROL,
FRONT
CONTROL,
(3/8, 4/8)
L203
FB217
L204
A_3.0V
A_3.0V
AVCC_3.0V
DDR_VDD
XHD_EN
D_3.0V
D_3.0V
BATT_SIG
VL_3V
D_1.8V
D_1.8V
D_1.8V
D_1.2V
DDR_1.8V
D_1.2V
08
DDR_1.8V
CAM_3.5V
CAM_3.5V
AU_AVCC
9
MEMORY
STICK
DUO
TXRX
IC201
DSC
CONTROL
(3/8)
E4
VDD
AVREF
AVREF
D_3.0V
D_3.0V
D_3.0V
D2, B4, A5, E1
D101
VCH
VIN
VRO
TI_5.0V
TI_5.0V
EVER_3.0V
BACKUP
POWER
REG
(2/8)
IC103
XAV_JACK_IN
XACV_IN
A1
A2
A4
AE10
VRP
XAV_JACK_IN
G9
GPE_06
XACV_IN
K8
GPE_05
MS_PWR_ON
MS_PWR_ON
T7
GPE_15
GPE_04
GPE_03
GPS_11
V7
VBUS
AA5
Q201
Q202, Q203, Q204
Y/PB/PR
MUTE
L201
VBUS
USB_ID
Y5
MAX_5.0V
MAX_5.0V
D_3.0V
D_1.8V
D_1.8V
A_3.0V
CAM_3.5V
2.8V REG
(7/8)
IC501
B2
VOUT
VIN
B1
VCONT
A2
1.5V REG
(7/8)
IC502
B2
VOUT
VIN
B1
IC503
OPTICAL
IMAGE
STABILIZATION
DRIVE
(7/8)
SE501
SE502
IC506
PITCH/YAW
SENSOR AMP
(7/8)
YAW
SENSOR
PITCH
SENSOR
D_3.0V
D_3.0V
CAM_3.5V
TI_5.0V
TI_5.0V
XDD_SYS_RST
XDD_SYS_RST
CAM_3.5V
EVER_3.0V
EVER_3.0V
3.5V REG
(5/8)
IC307
CCD SIGNAL
PROCESS,
TIMING
GENERATOR
(5/8)
IC304
A2
VOUT
STBY
A2 STBY
B1
VIN
B2
D_3.0V
HVDD1, HVDD2
2.3V REG
(5/8)
IC308
B2
VOUT
VIN
B1
Q304
3.5V
DISCHAGE
D_3.0V
D_1.8V
D_3.0V
1.8V REG
(5/8)
IC306
6
VOUT
VIN
4
CAM_12V
CAM_12V_1
CAM_12V_1
13.0V REG
(5/8)
IC303
1
Vout
Vcont
4
Vin
5
FB302
CAM_-7.5V
CAM_12V
CAM_-7.5V
CAM_-7.5V
FB301
D_1.8V
CLIVDD
FB305
DVDD
FB306
A_3.0V
D_3.0V
MAX_5.0V
L602
IC602
AUDIO/VIDEO
AMP
(8/8)
(8/8)
D_3.0V
IC401
LENS DRIVER
(6/8)
D_3.0V
CN401
ZM_SENS_VCC
29
FC_SENS_VCC
ZM_SENS_GND
XZM_RST_LED
30
FC_SENS_GND
XFC_RST_LED
33
32
FOCUS
SENSOR
ZOOM
SENSOR
LENS BLOCK
M8
J8
A
POWER (1/2)
(PAGE 3-3)
B
POWER (1/2)
(PAGE 3-3)
RSTB
RGVDD
E11
L3
1 Vcont
A2 Vcont
L5
A10
DRVDD
FB303
A2
FB216
FB215
3-4. POWER BLOCK DIAGRAM (2/2)
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
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