Read Sony DSC-W550 Service Manual online
DSC-W550_L3
4-2E
4-2. POWER BLOCK DIAGRAM
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
BATTERY
DETECTOR
(2/11)
IC102
DC/DC CONVERTER
IC003
SY-284 BOARD
Q007
-6.5V DISCHARGE
F002
E4
VBAT
21
36
36
9
ST_UNREG
HX3
HS78H
F001
HX4
42
UPIC8
43
STB7
L006
19,20
17,18
MA-473
FLEXIBLE
BOARD
08
Q002
MS_PWR_ON
BL_EN2
BL_EN1
BL_EN1
D_3.2V
RGVDD
RGVDD
IC201
CAM_VL
D_1.0V
D_1.8V
D_3.2V
FC23
FC32
H18
DV CNTL7
NAND_XWP
CAM_DD_EN
A17
SFCMD_BS
N13
DVCNTL0
A19
DVCNTL2
B18
DVCNTL5
F13
DVCNTL3
C18
FTEST3
H15
CAM_M7P5_IN_CNT
IC301
CPU,
CAMERA DSP,
AV SIGNAL PROCESS,
LENS CONTROL,
MODE CONTROL
(3/11, 4/11, 5/11)
CAM_VH
CCD SIGNAL
PROCESS,
TIMING GENERATOR
(8/11)
CN001
ST_UNREG
RGVDD
ST-255 BOARD
D003
T001
L001
FLASH CONTROL,
CHARGE CONTROL
(1/2)
IC001
D_3.2V
+
C901
CHARGING
CAPACITOR
(
)
18
ST_UNREG
CN702
D_3.2V
18
CN002
CAM12_IN_CNT
D003
40
LX7
35
HS7L
L003
32
INV7
33
INV8I
(FLASH UNIT)
CLOCK
GENERATOR
(2/11)
IC101
X101
38MHz
D_3.2V
CAM_VH
CAM_VL
CAM_13V
CAM_-7.5V
CN301
CCD IMAGER
IC001
CD-774
FLEXIBLE
BOARD
36
34
L301
L302
VOLTAGE DET.
(1/11)
IC002
VOUT 2
VIN
3
FPC-016
FLEXIBLE
BOARD
6
M_5.0V
M_5.0V
VCCOUT
6
BATT_SIG
REG_GND
S
+
BATT_UNREG
BT901, BT902, BT903
BATTERY
TERMINAL
BOARD
13
LX1
Q005
M5V SWITCH
DDC5PSW_EN
HX2
INV1
5.0V
M_5.0V
28
HX1
22
5
Q004
SWITCH
PWREN
NAND_XWP
VOUT 3
CE
1
VDD
4
D052
D051
(POWER)
OUT6
Q001
SWITCHING
41
CAM_VL
NON6
VREF6 30
31
L001
D001
CAM_M7P5_IN_CNT
STB6 44
LX2
6
D_3.2V
CAM_DD_EN
VOUT
CE 4
VDD
5,
6
1,
2
L004
Q006
FTEST SWITCH
FTEST3
FTEST_VCC
STB13 12
Q003
MS SWITCH
MS_PWR_ON
MS_VCC
INV2 25
LX3
14
L007
D_1.8V
10
STB2
23
INV3
11
STB4
LX4
8
L005
D_1.0V
24
INV4
CAM_VH
D002
38
LX8
37
HS8L
L002
34
INV8
BL_H
BL_L
BL_EN2
CAM12_IN_CNT
BL_EN1
3.0V REG.
(1/11)
IC001
VOUT 1
CE
3
VDD
4
D004
D005
XRESET
PDETECT
VBAT
BL_L
BL_H
3.0 inch
COLOR LCD
LCD
BACKLIGHT
CN705
LCD901
(LCD MODULE)
25,
27
3
2
2
44
D_3.2V
XSYS_RESET
D_1.8V
IRIS MOTOR DRIVER,
FOCUS MOTOR DRIVER,
ZOOM MOTOR DRIVER,
SHUTTER MOTOR DRIVER
(9/11)
IC401
M_5.0V
D_3.2V
D_3.2V
SDRAM
(7/11)
IC281
D_3.2V
D_1.8V
B2
XSYS_RESET
D_3.2V
XRESET
3.3V REG.
(8/11)
IC304
HVDD
HVDD
XRESET
PDETECT
PDETECT
XRESET
C2
VBAT_MSURE
A2
VBAT
H7
VBAT
XSYS_RESET
D_3.2V
CAM_VL
CAM_VH
M_5.0V
D_3.2V
D_3.2V
D_1.8V
D_1.0V
DVCTL6
C17
DDC5PSW_EN
XLGPIO1 D19
XSYS_RESET
XSYS_RESET
(1/11)
UNREG
UNREG
UNREG
SELF TIMER,
SMILE SHUTTER,
AF ILLUMINATOR
HIGH SPEED
BUFFER AMP.
(8/11)
IC302
CAM_VH
SWITCH
CN704
19
12
FTEST_VCC
MS_VCC
MS_VCC
MEMORY CARD
23
-25
23
-25
1-3
TXRX
D_3.2V
PWREN
HVDD
PWERN B
B2
PWERN
10
VDDRTC
10
VDDRTC
11
BT900
LITHIUM
RECHARGEABLE
BATTERY
VDDRTC
HVDD
VDDRTC
ZOOM
FG
LENS
BLOCK
FOCUS
RESET
SENSOR
F_Z_PI_A
Z_FG0_A
CN401
15
3
Q401
LED
SWITCH
XZM_FG_LED
XFC_RST_LED
XLGPIO7 G13
FC28 J17
D702
(MS ACCESS)
CAM_VL
L702
3.0V REG.
(8/11)
IC303
–
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