Sony Cybershot DSC-T90 Service Manual page 34

3-4. POWER BLOCK DIAGRAM (2/2)
SY-226 BOARD (2/2)
A_3.1V
ST_UNREG
CAM_13V
CAM_-7.5V
BL_H
BL_L
VL_3V
D_1.85V
D_3.1V
M_5.0V
CAM_3.5V
D
POWER (1/2)
(PAGE 3-3)
A_3.1V
D_1.2V
DDR_1.8V
MS_VCC
05
DSC-T90_L2
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
SE401
IC403
2.8V REG
(2/9)
PITCH/YAW
IC_401_2.8V
SENSOR
Vdd Vout 1
4
CE
3
IC401
D_1.2V
LENS DRIVE,
D_3.1V
OPTICAL
IMAGE
M_5.0V
STABILIZATION
DRIVE
(2/9)
A
XDD_SYS_RST
E8 RESET_N
XIC_401_2_RST
POWER (1/2) E7 XDL
(PAGE 3-3)
XDD_SYS_RST
D_1.85V D_1.85V
D_3.1V D_3.1V
M_5.0V M_5.0V
CAM_3.5V CAM_3.5V
IC_401_2.8V
XIC_401_2_RST
AC13 GPIO_S_9
XDD_SYS_RST
AJ16 XRESET_SYS_IN
CAM_3.5V
D_1.85V
D_3.1V
R226
IC201
A_3.1V CPU,
CAMERA DSP,
L201
AV SIGNAL PROCESS,
LENS CONTROL,
D_1.2V
MODE CONTROL
DDR_1.8V
(3/9 - 5/9)
MS_VCC
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
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 SIO4_TXD W22
(PAGE 3-3)
XCS_IC_204
AC20 SIO1_SCS
D_1.85V
D_3.1V
XDD_SYS_RST
BL_H
BL_L
XDD_SYS_RST
ST_UNREG
D_1.85V D_1.85V
D_3.1V D_3.1V
M_5.0V M_5.0V M_5.0V
CAM_3.5V CAM_3.5V
VL_3V
IC_401_2.8V
D_3.1V
IC501
L501 AUDIO/VIDEO
AMP
(6/9)
D_1.85V
R712
D706
CAM_13V
(MS ACCESS)
CAM_-7.5V
R203 IC203
D_1.85V CLOCK
GENERATOR
(7/9)
FB201
CAM_3.5V
D_3.1V
XDD_SYS_RST XDD_SYS_RST
XZM_RST_LED XZM_RST_LED
D_3.1V
3-4E
LCD901
CN709
VDDL (1.8V)
22
L702
VDD (3.0V) 3.0 inch
23
COLOR
LCD
XRESET
3 UNIT
BL901
BACKLIGHT
BL_H
45
BL_L
44
ST-199 FLEXIBLE BOARD
CN701
D_3.1V
14
FLASH CONTROL,
CHARGE CONTROL
L001
ST_UNREG
AF_ANODE
AF ILLUMINATOR/
8
SELF-TIMER
BATTERY+
2
CN301
L301
CAM_13V
L302
CAM_-7.5V
FB304 FB303
IC301
CCD SIGNAL
1
PROCESS,
CE
TIMING GENERATOR
(1/9)
4 VDD VOUT 3
2.3V REG
IC303
(1/9)
J12 RSTB
CN401
Z_PI_K/E
Z_PI_A
R472
R473
F_PI_A
IC001
T001
FLASH
D003
UNIT
(FL61210)
D004
VL_3V
BT901
LITHIUM
BATTERY
CD-743 FLEXIBLE
BOARD
14
IC001
12M
CCD IMAGER
12
IC002
BUFFER
LENS BLOCK
ZOOM
30
RESET
29
SENSOR
FOCUS
21 RESET
SENSOR