Read Sony DSC-W55 (serv.man2) Service Manual online
DSC-W55_L2
3-3E
3-3. POWER BLOCK DIAGRAM
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
08
SY-176 BOARD
SW-498 BOARD
(1/2)
(1/2)
MC-181 FLEXIBLE
BOARD
BOARD
RL-074 FLEXIBLE
BOARD (1/2)
BOARD (1/2)
ST-134 FLEXIBLE
BOARD
BOARD
ST-133 BOARD
VO1-1
D_3.2V
A_3.2V
LX2
PWR1-1
A1
UNREG1-2
K1
UNREG1-1
J1
F1
VO1-2 F2
VFB1 H2
BG4 G9
PSG4 G8
VFB4 F7
TG4 F10
C10
VFB2 D8
IC001
DC/DC CONVERTER
(6/6)
LDO2 A3
LX5-1 J9
LDO2IN B3
PWR2
D10
UNREG2-1
J6
UNREG2-2
K6
D_1.8V
D_1.8V
D_1.2V
CAM_12V
CAM_
-7.5V
PWR1-3
C2
PWR1-2
B1
LDO3 A2
LDO3IN B2
PWR56OUT2 K7
PWR56OUT1 J7
GT6 H6
VFB6 H7
VREF6 G6
CAM_2.9V
MS_PWR
G2
MS_PWR_IN G1
MS_VCC
XPWRON1
XPOWER_ON
XPOWER_ON
LX5-4 K10
LX5-3 K9
LX5-2 J10
UNREG
L002
L001
M_5V
F002
F001
Q001, Q002
F003
CN704
CN001
CN702
BH001
BATTERY
TERMINAL
CHARGE_V
CHARGE_V
CHARGE_V
BATT_SIG
REG_GND
BATT/XEXT
BATT/XEXT
ACV_UNREG
ACV_UNREG
BL_H
VO3 E9
LX3 E10
BL_L
VL3 F9
VFB5 H9
D005
D008
D002
L004
EVER_SRAM
XACV_IN
XACV_IN
D004
D003
D001
D003
SELF-TIMER/
AF ILLUMINATOR
CN001
MULTI
MULTI
CONNECTOR
Q004, Q005
SWITCHING
Q006
SWITCHING
Q003
Q102
BATTERY
CHARGE
DETECT
DC CONTROL
L006
B8 RTCBAT
H1
C7
LDO1
IC101_0_SI, IC101_0_SO,
XIC101_0_SCK
AA23
XPWR_OFF
VIDEO_VCC
D_1.8V
G26
W23
XCS_DD
A6
T25
V1
V25
AA26
AB25
MS_PWR_ON
MS_PWR_ON
D3
B7
K25
BATT_SENS
UNREGMON
CE
D4
IC101
IC102
CAMERA
DSP,
CPU,
CPU,
LENS
CONTROL,
MODE
CONTROL,
FRONT
CONTROL
(2/6)
(2/6)
AA5, AB5, Y5
A13, B13, D25, D26
C6, C5, B6
XPWROFF
SCLK
SI
SO
SI
SO
L007
ST_UNREG
ST_UNREG
L102
L601
L101
AUDIO AMP
(5/6)
VIDEO AMP
(5/6)
IC603
D002
(POWER)
D001
AE/AF LOCK/
SELF-TIMER
SELF-TIMER
D002
FLASH CHARGING/
RECORD
IC602
D_3.2V
D_3.2V
D_3.2V
A_3.2V
A_3.2V
AU_3.0V
AU_3.0V
D_1.2V
D_1.2V
D_3.2V
D_3.2V
A_3.2V
AU_3.0V
D_1.2V
MS_VCC
9
T001
FLASH
UNIT
L001
2.5 INCH
DIGITAL
LCD
MONITOR
LCD901
LCD UNIT
MEMORY
STICK
DUO PRO
CN703
CN705
(1/2)
(1/2)
CN003
(1/2)
(1/2)
FLASH CONTROL,
CHARGE CONTROL
IC001
CAM_12V
CAM_
-7.5V
CAM_2.9V
D_3.2V
D_3.2V
CAM_12V
CAM_
-7.5V
CN301
L303
L304
L305
L301
FB307
FB107
CCD IMAGER
IC002
BUFFER
IC001
CCD SIGNAL
PROCESS,
TIMING GENERATOR
(1/6)
IC301
FB308
FB301
FB309
CD-604 FLEXIBLE BOARD
CN401
Z_BOX1_PI_SENS_VCC
Z_BOX2_PI_SENS_VCC
Z_PI_SENS_VCC
F_PI_SENS_VCC
IC401
LENS DRIVE,
MOTOR DRIVER
(3/6)
256M SDRAM,
64M SUPER AND
(4/6)
IC202
BATTERY
AUTHENTICATE
(2/6)
IC103
2.9V REG
(5/6)
IC601
3
4
VOUT
VIN
LCD
BACKLIGHT
BL_H
CN901
BL_L
BL_H
BL_L
ST_5V
D_3.2V
D_3.2V
D_3.2V
D_3.2V
D601
3
4
L003
LENS BLOCK
FOCUS
RESET
SENSOR
ZOOM
RESET
SENSOR
+
S
-
23, 25
19
14
2
23 - 29
21
3
8
13
1 - 3
1 - 5
13
18
25
31,32
1
4
4
28
25
12
36
POWER
S002
AU_3.0V
M_5V
(LND704)
(LND703)
(LND702)
D_3.2V
L901
L902
(LND002)
(LND001)
M_5V
SW-498 BOARD
(2/2)
CN705
(2/2)
(2/2)
21
23
RL-074 FLEXIBLE
BOARD (2/2)
BOARD (2/2)
2
1
CN003(2/2)
BT001
LITHIUM
RECHARGEABLE
BATTERY
VL_3V
6
12
Ver. 1.2 2007.06
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