Sony DSC-H20 Service Manual page 23

Ver. 1.1 2009.04
3-4. POWER BLOCK DIAGRAM (2/2)
SY-224 BOARD (2/2)
ST_UNREG
CAM_13V
CAM_-7.5V
BL_H
BL_L
A_3.2V
IC403
2.8V REG
(2/9)
A_3.2V
4 VDD
CE
D_1.25V
D_3.2V
M_5.0V
E
POWER (1/2)
(PAGE 3-3)
M_5.0V
D_3.2V
D_1.85V
D_1.85V
CAM_2.3V CAM_2.3V
CAM_3.5V CAM_3.5V
R504
4 VDD
CE
IC502
CAM_3.5V
D_3.2V
A_3.2V
D_1.25V
D_1.85V
DDR_1.85V DDR_1.85V
MS_VCC MS_VCC
05
DSC-H20_L2
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
IC402
PITCH/YAW
SENSOR AMP
(2/9)
SE401
VOUT 3 PITCH/YAW
SENSOR
1
IC401
LENS DRIVE,
D_1.25V
OPTICAL
D_3.2V
IMAGE
STABILIZATION
M_5.0V
DRIVE
(2/9)
A
XDD_SYS_RST
E8 RESET_N
XIC_401_RST
POWER (1/2)
E7 XDL
(PAGE 3-3)
XDD_SYS_RST XDD_SYS_RST
M_5.0V
D_3.2V
D_1.85V
CAM_2.3V
CAM_3.5V
PANEL_VDD PANEL_VDD
R519 AU_AVCC
VOUT 3
1
XIC_401_RST
AC13 GPIO_S__9
XDD_SYS_RST
AJ16 XRESET_SYS_IN
2.8V REG
(6/9) PANEL_VDD
AU_AVCC IC201
CPU,
CAMERA DSP,
R226 AV SIGNAL PROCESS,
LENS CONTROL,
MODE CONTROL
L201 (3/9 - 5/9)
VBUS_DISCHG AC7
BB_SI
AB23 SIO2_RXD
BB_SO
AC23 SIO2_TXD
XBB_SCK
AB22 SIO2_SCK
B
XCS_DD
W23 SIO4_SCS
XRESET_REQ
AH16 XRESET_REQ
POWER (1/2)
XPWR_OFF
(PAGE 3-3) AB15 GPIO_S__12
MS_PWR_ON
AB12 GPIO_S__6
BATT_SENS
AF16 ADC_IN6
SIO4_TXD W22
XACV_IN
W15 CLK_EXTIN_2
C
IC_204_SI
AB20 SIO1_RXD
IC_204_SO
AB21 SIO1_TXD
POWER (1/2)
XIC_204_SCK
AC21 SIO1_SCK
(PAGE 3-3)
XCS_IC_204
AC20 SIO1_SCS
GPIO_S__15 Y11
L701
PANEL_VDD
XDD_SYS_RST
XDD_SYS_RST
M_5.0V M_5.0V
D_3.2V D_3.2V
D_1.85V D_1.85V
CAM_2.3V CAM_2.3V
CAM_3.5V CAM_3.5V
PANEL_VDD
AU_AVCC
D_3.2V
IC501
AUDIO/VIDEO
L501
AMP
(6/9)
D_1.85V
R203 IC203
D_1.85V CLOCK
GENERATOR
(7/9)
FB201
STRB_UNREG_ON
D_1.85V
CAM_2.3V
CAM_3.5V
D_3.2V
XDD_SYS_RST XDD_SYS_RST
XZM_RST_LED XZM_RST_LED
D_3.2V
XZM_FG_LED XZM_FG_LED
3-4E
LCD901
CN705
LCD MODULE
VDD, VPRE
3.0 INCH
COLOR
LCD
RESB UNIT
6
BACKLIGHT
BL_H LED+
23
BL_L LED-
24
ST-215 BOARD
FP-1073
FLEXIBLE
CN701
BOARD CN003
D_3.2V
16 21
Q701, Q702
ST_UNREG ST_UNREG
B+ SWITCH
AF_5V
1 1
R101
D_3.2V
16 21
D
XPWR_ON
18 23
POWER (1/2)
(PAGE 3-3)
CD-757 FLEXIBLE
BOARD
CN301
L301
CAM_13V CAM_13V
12
L302
CAM_-7.5V VL (CAM_-7.5V)
38
STRB_UNREG_ON
FB304 FB303
FB302
IC301
CCD SIGNAL
PROCESS,
TIMING GENERATOR
FB301
(1/9)
RSTB
J12
CN402
XZM_RST_LED
Z_Senser_Vcc
16
Q401
Z_FG (1)_VCC, Z_FG (2)_VCC
F_Senser_Vcc
28
IC001
FLASH CONTROL,
CHARGE CONTROL FL-192 FLEXIBLE BOARD
T001 CN002
D003
L002
XE_H
FLASH
UNIT
D003
AF_5V SELF-TIMER/
19
SMILE SHUTTER/
AF ILLUMINATOR
D101
(POWER)
S102
ON/OFF
IC001
12M
CCD IMAGER
IC002
BUFFER
LENS BLOCK
ZOOM
RESET
SENSOR
ZOOM
FG
FOCUS
RESET
SENSOR