Read Sony DSC-W550 Service Manual online
4-1
DSC-W550_L3
4. BLOCK DIAGRAMS
4-1. OVERALL BLOCK DIAGRAM
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
CN301
: VIDEO SIGNAL
: VIDEO/AUDIO SIGNAL
XSYS_RESET
IC201
LCD_HD/VD/CK
LCD_D0 - D7
LCD_SEL
BL_H
V_LINE_OUT
3.0 inch
COLOR
COLOR
LCD
LCD
BACKLIGHT
CN705
LCD901
(LCD MODULE)
43
3
2
2
44
2
AU_LINE_OUT
A/V OUT
CN703
CPU,
CAMERA DSP,
AV SIGNAL PROCESS,
LENS CONTROL,
MODE CONTROL
: AUDIO SIGNAL
ST-255 BOARD (1/2)
MA-473 FLEXIBLE
BOARD
(1/2)
SW-576 BOARD
ST_UNREG
Q001
FLASH
DRIVE
FLASH
CONTROL,
CHARGE
CONTROL
(1/2)
IC001
XE_A
STRB_300V
TRIGGER
XE_K
C901
CHARGING
CAPACITOR
(
)
D003
R003
T001
XSTRB_FULL
CN702 (1/2)
CN101
STRB_CHG
STRB_CHG_CONT
STRB_ON
STRB_ON
KEY_AD0
KEY_AD1
KEY_AD1
CPWR
BT901, BT902, BT903
REG_GND
BATT_UNREG
BATT_SIG
BATTERY
DETECTOR
(2/11)
IC102
XSTRB_FULL
STRB_CHG
X201
32.768kHz
CN001 (1/2)
14
17
17
STRB_CHG_CONT
STRB_ON
16
XAE_LOCK_SW
XSHUT_SW
XAE_LOCK_SW
XSHUT_SW
11
XPWR_LED
XPWR_LED
D051
(POWER)
POWER_ON
POWER_ON
13
CN002 (1/2)
S052
ON/OFF
S051
(SHUTTER)
(
)
MIC_SIG
MIC901
MICROPHONE
UNIT
SP901
(LOUDSPEAKER)
SP+, SP-
BT900
LITHIUM
RECHARGEABLE
BATTERY
S101-S108,
S110
S112
BATTERY
TERMINAL
BOARD
DIRECT_PB
S109
CN002 (2/2)
ST-255 BOARD
(2/2)
CN001 (2/2)
CN702 (2/2)
FPC-016
FLEXIBLE
BOARD
VDDRTC
MIC_P
SP+, SP-
FPC-020
FLEXIBLE
BOARD
CN701
(1/2)
XSTRB_FULL
XAE_LOCK_SW
XSHUT_SW
GSIU1_SI/SO/SCK
SP_SO/SCK
Q703
MUTE
1
5
4
4
2
2
3
3
5
KEY_AD0
KEY_AD1
KEY_AD1
KEY_AD1
KEY_AD0
XSTRB_RESET
4
3
BL_L
F2
A6
E10
A11
C1
D19
10
2
14
AUD_MUTE
USB_DP/DM/VBUS
FLASH
UNIT
(2/2)
XCS_LCD
28
D002
B2
XSYS_RESET
XCS_IC_102
XAV_JACK_IN
21,
23,
1,
3
MEMORY CARD
CN704
6
15
CMD
CLK
CLK
MSX_BS
MSX_CLK
XMS_IN
FTEST1
FTEST2
MSX_CLK
XMS_IN
FTEST1
FTEST2
7
17
14
26
24
14
26
24
MSX_BS
MSX_CLK
XMS_IN
FTEST1
FTEST2
CMD
CLK
VDDRTC
11
MA-473
FLEXIBLE
BOARD
(2/2)
SDRAM
(7/11)
IC281
DDR_DATA0-DATA15
DDR_LDQS/UDQS/XLDQS/XUDQS
DDR_ADRS0-ADRS12
NAND_IO0-NAND_IO7
DDR_CLK/XCLK/CLKEN/XCS/XRAS
DDR_XCAS/XWE/BA0/BA1/BA2/LDM/UDM
DDR_XCAS/XWE/BA0/BA1/BA2/LDM/UDM
NAND_XCE1/XRE/XWP/XWE/ALE/CLE/RYXBY
SLF_TMR_LED
D052
SELF TIMER
SMILE SHUTTER
AF ILLUMINATOR
5
SLF_TMR_LED
XPWR_LED
SLF_TMR_LED
FPC-016
FLEXIBLE
BOARD
(3/11, 4/11, 5/11)
B17,
C15,
D18
A10,B10
41,
42
CPWR 7
CPWR
6
CPWR
DIRECT_PB
CPWR
DIRECT_PB
3,
4
3,
4
VDDRTC
VDDRTC
9,
10
5,
7,
8
POWER_ON
30
-37
38-4
0
ST_UNREG
MIC_SIG
SP+, SP-
MIC_SIG
SP+, SP-
08
D701
D702
(MS ACCESS)
XACCESS_LED
MICEN
10,
8,
11,
16
DC/DC
CONVERTER
(1/11)
IC003
Q002
SWITCH
BL_EN2
LED SWITCH
Q701
GEN_SYS_CLK
C1
DATA0 - DATA3
MSX_D0 - MSX_D3
1-3
15
16
16
9,
10
11-1
4
18
-21
5-8
32
3
1
1
3
2
2
33
34
34
15
14
5-9,
11,
18-28
42,44
16,13
12,17
38,40
SY-284 BOARD
VSUB_CONT_PRE/POST
GEN_TG_CLK
GEAR_ON
GEN_TG_CLK
GEN_SYS_CLK
J7
N2
VIS
M1
D1
C4
HIS
CA_AD00 - CA_AD13
CCD
IMAGER
IC001
CD-774 FLEXIBLE
BOARD
POWER_SAVE
Q302
CCD SIGNAL
PROCESS,
TIMING
GENERATOR
(8/11)
IC301
CLOCK
GENERATOR
(2/11)
IC101
CCD_OUT
CCD_OUT
CCD_OUT
SUB_CONT
Q303
XPTG_RESET
XCS_FE, GSIU0_SO/SCK
X101
38MHz
MSHUT_EN, MSHUT_DIR
IRIS_M_DIR, IRIS_M_BRK
FC_DIR_A/B, FC_EN
CN401
IC401
IRIS MOTOR DRIVER,
FOCUS MOTOR DRIVER,
ZOOM MOTOR DRIVER,
SHUTTER MOTOR DRIVER,
(9/11)
ND_+/-
SHUTTER_+/-
LENS
LENS BLOCK (1/2)
IRIS
(METER)
IRIS
MOTOR
M
FOCUS_A/XA/B/XB
RANDOM_TRIG
M
M
FOCUS
RESET
SENSOR
Z_DC_DRIVE_+/-
IC302
HIGH SPEED
BUFFER
AMP
(8/11)
SUBCK
M
ZOOM
FG
F_Z_PI_C
Z_FG0_A
LED DRIVE
ZOOM
MOTOR
SHUTTER
MOTOR
FOCUS
MOTOR
F_Z_PI_A
D_3.2V
Q401
Z_FG0_C
XZM_FG_LED
XFC_RST_LED
ZM_DIR, ZM_BRK
F_Z_PI_C
Z_FG0_C
SWITCH
SWITCH
LENS BLOCK (2/2)
XLD_PS
VST
VHLD
V1A/V1B/V1C, V2, V3A/V3B/V3C,
V4, V5A/V5B/V5C, V6,
V7A/V7B/V7C, V8S1/V8S2
H1, H2
LV1, LV2
VOG1, VOG2
RG, LH1
SUB_CONT
SUBCK
VST
VHLD
V1A/V1B/V1C, V2, V3A/V3B/V3C,
V4, V5A/V5B/V5C, V6,
V7A/V7B/V7C, V8S1/V8S2
H1, H2
LV1, LV2
VOG1, VOG2
RG, LH1
TH221
STRB_CHG
STRB_CHG_CONT
STRB_ON
K7
H7
H7
F2
E2
A4
E2
A4
C3
10
2
9
12
14
17
16
17
16
11
13
5
7
9
12
15
15
+
4
3
2
1
+
S
–
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