Read Sony DSC-S750 Service Manual online
3-1
DSC-S750
3-1. OVERALL BLOCK DIAGRAM
3. BLOCK DIAGRAM
SUB
-7.5V
BL-
DGND
DGND
DGND
VSUB
DGND
+15V
H1A H2A
+2.5VD
+3.1VD
-7.5V
VHLD
+5VM
+5VM
+3.1VC
BL+
+3.3V
DGND
+15V
DGND
H1B H2B
RG
+3.1VD
ALE
CCD_OUT
+3.1VD
VIA,VIB ~V4,V2
+3.1VD
DGND
+3.3V
DGND
+3.1VC
CSUB
-7.5V
+15V
+3.1VD
+3.1VD
DGND
VD
RAMREF
RAMCAS
RAMCLK_EN
IN2B
IN1B
LINE_OUT
+3.1VD
RAMUDQS
SPKRP
FA22
RAMA[0..14]
RAMRAS
LENS_SDAT A
LCD_VD
+1.8VD
TG_ON
VSUB_Con2
RAMWE_N
SHUTTER_M1
PWR_CTRL
RE
WP
IN3B
HD
LCD_MCLK
VP
DGND
CE0
PW_LED
RAMCLK
VIDEO_OUT
FA21
RAMCS_N
LCD_D[0..7]
PWROFF_DET
SHUTTER_M0
LENS_EN
LENS_PS
PWR_ON
ZOOM_M0
IN2A
TG_EN
LCD_HD
SHUT2
IN3A
BAT_LEVE L
CARD_ON
D-
D+
PXCLK
ZOOM_PR
BL
VSUB_Con1
RAMD[0..15]
RAMLDM
CDS_ON
RAMCLK_N
FA23
USB_DET
CDS_EN
MD[0..7]
WE
CCD_ON
RAMUDM
AF_LED
BAT_LOA D
FA20
AFERST
RAMLDQS
FOCUS_PI
ALE
SW_WIDE
IN1A
MS_CLK
SCLK
LCD_EN
SHUT1
SPKRN
PWR_KEY
MS_INS#
LCD_SDAT A
SW_TELE
SW_KEY_ADC
SW_PLAYBAC K
BAUP_PW
SDAT A
+2.5VD
CCD[0..11]
A/V_DET
LENS_SCLK
LCD_SCLK
+3.3VS
ZOOM_PI
ZOOM_M1
CLE
R/B
MODE_KEY_ADC
FLASH_CHG_L
STROBE_CHG
STROBE_TRG
STROBE_TRG
VP_STROBE
DGND
FLASH_RDY
AF_LED
STA_LE D
LCD 2.5''
INCH
PANE L
INCH
PANE L
LCD_BACKLIGHT
MEMORY
STICK
STICK
J-08 LENS BLOCK
68
2+
SPEAKER
Strobe
module
module
DDR
DGND
+2.5VD
RAMD[0..15]
RAMA[0..14]
RAMLDM
RAMWE_N
RAMCAS
RAMRAS
RAMRAS
RAMCS_N
RAMLDQS
RAMUDQS
RAMUDM
RAMCLK_N
RAMCLK
RAMCLK_EN
RAMREF
CDS
+3.3V
CCD[0..11]
VD
CDS_EN
CDS_EN
HD
SCLK
SDAT A
AFERST
TG_EN
SDAT A
AFERST
TG_EN
PXCLK
VSUB_Con1
VSUB_Con2
VSUB_Con2
-7.5V
TG_ON
CDS_ON
CDS_ON
+15V
DGND
MEMORY
NAND
MD[0..7]
CLE
WE
WP
ALE
CE0
RE
WE
WP
ALE
CE0
RE
R/B
+3.1VD
DGND
SW
+3.1VD
DGND
SW_KEY_ADC
SW_WIDE
SW_TELE
SW_TELE
SW_PLAYBACK_ K
MODE_KEY_ADC
1
2
RED
POWER
CCD_ON
-7.5V
+3.3V
VP
+5VM
BL-
+15V
BL+
PWR_CTRL
+3.1VD
+2.5VD
+1.8VD
+1.8VD
CARD_ON
+3.1VC
+3.3VS
1
2
GREEN
GREEN
STROBE
FLASH_CHG_L
STROBE_CHG
STRBOE_TRG
STRBOE_TRG
VP_STROBE
DGND
FLASH_RDY
AF_LED
1
2
GREEN
DSP
DSP
VSUB_Con1
AFERST
VSUB_Con2
CCD[0..11]
PXCLK
SCLK
SDAT A
CDS_EN
VD
TG_EN
HD
RAMD[0..15]
RAMREF
RAMA[0..14]
RAMCLK_EN
RAMLDQS
RAMWE_N
RAMCS_N
RAMRAS
RAMCAS
RAMLDM
RAMUDM
LENS_EN
STROBE_CHG
SHUTTER_M0
SHUTTER_M1
SHUTTER_M1
LENS_SCLK
LENS_SDAT A
LENS_PS
T
E
D
_
B
S
U
-
D
+
D
PWR_CTRL
STROBE_TRG
PWR_ON
LCD_HD
LCD_VD
LCD_SDAT A
LCD_EN
LCD_SCLK
LCD_MCLK
T
U
O
_
E
NI
L
T
U
O
_
O
E
DI
V
FLASH_CHG_L
VP
DGND
+1.8VD
+3.1VD
+3.1VD
+2.5VD
+3.3VS
ZOOM_PI
FOCUS_PI
ZOOM_PR
STA_LE D
ZOOM_M0
ZOOM_M1
ZOOM_M1
BAT_LOA D
CE0
T
E
D
_
V
A
#
S
NI
_
S
M
PW_LED
SW_TELE
SW_WIDE
ALE
CLE
WP
R/B
MD[0..7]
RE
WE
1
2
A
F
2
2
A
F
0
2
A
F
3
2
A
F
K
L
C
_
S
M
SW_KEY_ADC
CDS_ON
TG_ON
CCD_ON
SW_PLAYBAC K
SHUT1
SHUT2
SHUT2
AF_LED
RAMUDQS
RAMCLK
RAMCLK_N
IN3A
IN3B
IN3B
IN2A
IN2B
IN2B
BKUP_PW
IN1A
IN1B
IN1B
SPKRN
SPKRP
LCD_D[0..7]
BAT_LEVE L
PWROFF_DET
CARD_ON
BL
PW_KEY
MODE_KEY_ADC
VP_STROBE
FLASH_RDY
AF_LED
TOP
PWR_KEY
SHUT1
SHUT2
SHUT2
PW_LED
+3.1VD
DGND
JACK
JACK
D+
D-
USB_DET
DGND
A/V_DET
VIDEO_OUT
LINE_OUT
+3.1VD
CCD
CSUB
-7.5V
+15V
4
1
3
2
1
2
MS
MS_INS#
FA2 0
FA2 1
FA2 1
MS_CLK
FA2 2
FA2 3
FA2 3
ALE
+3.1VC
DGND
LCD
+3.1VD
DGND
LCD_EN
LCD_MCLK
LCD_VD
LCD_HD
LCD_HD
LCD_SCLK
LCD_SDAT A
LCD_D[0..7]
BL
1
2
1
2
GREEN
GREEN
LENS
LENS
LENS_PS
SHUTTER_M1
SHUTTER_M0
ZOOM_M1
ZOOM_M0
LENS_EN
LENS_SCLK
LENS_SDAT A
LENS_SCLK
LENS_SDAT A
+5VM
+3.1VD
ZOOM_PI
FOCUS_PI
ZOOM_PR
DGND
IN3A
IN3B
IN3B
IN2A
IN2B
IN2B
IN1A
IN1B
IN1B
AF_LED
SPKRN
SPKRP
SELF-TIMER LED
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