Power Block Diagram 2 - Sony DSC-S75 Service Manual

3-9. POWER BLOCK DIAGRAM 2

SY-68 BOARD
D403
EVER UNREG
JK-211 BOARD
D402
(SEE PAGE 4-34)
CN901 CN703
VL 3V
BT901
13 6
LITHIUM BATTERY
IC403
INITIAL RESET
BACK UP VCC
(SEE PAGE 4-24)
BATT UNREG
ACV UNREG
SYS DD ON
BATT/XEXT
FAST CHARGE
INIT CHARGE ON
BATT SIG
CAM 15V
CAM – 7.5V
CAM 3.2V
LCD DDON
IC253
AUDIO AMP
(SEE PAGE 4-26)
Q253
L255
TO
POWER BLOCK 1
A
(SEE PAGE 3-16)
D 3.2V
D 1.8V
A 3.2V
CAM P 5V
A 4.9V
ST UNREG
BL VO–
PANEL 13.2V
PANEL –15.3V
PANEL 6.5V
PANEL 4.9V
05
VRO
7 VIN 8
L401
BACKUP VCC
3 VBAT VOUT 6
CS 4 26 (BATT IN) XLANC ON 22
15 BATT IN
RESET 5 6 XRESET
IC402
FRONT CONTROL
(SEE PAGE 4-24)
93 BATT SENS
94 ACV SENS
31 SYS DD ON
14 BATT/XEXT
37 FAST CHARGE
36 INIT CHARGE
Q405
BATTERY
78 BATT SI
CHARGE
79 BATT SO
DETECTOR
D 1.8V
92 DD CON SENS
IC252
IC301
AUDIO DA/AD
CONVERTER
CAMERA
(SEE PAGE 4-25)
IC781
DSP
IC302
(SEE PAGE 4-14)
CLOCK GEN.
(SEE PAGE 4-30) 128M SDRAM
(SEE PAGE 4-15)
FB304
FB781
L254 L253
L302
L781 L308
L653
IC651
VIDEO AMP
(SEE PAGE 4-16)
3-17
IC401
Q401
LANC I/O
CAM 15V
(SEE PAGE 4-23)
CAM –7.5V
CAM 3.2V
D 3.2V
CAM P 5V
IC501
MC CAM,
SH DSP
(SEE PAGE 4-20)
CAM DD ON 18
MS POWER ON 16
D403
LCD POWER 17
VOUT ON 25
21 LCD DD ON
D402
Q305 – 309
BUFFER
(SEE PAGE 4-16)
L307
L502
D 3.2V
D 1.8V
A 3.2V
CAM P 5V
A 4.9V
ST UNREG
BL VO–
A 3.2V
L804
PANEL 13.2V
PANEL –15.3V
L805 L806
A 3.2V
PANEL 6.5V
L803
PANEL 4.9V
IC806 IC803 IC802
BACK LIGHT EVR LCD
DRIVE (D/A CONVERTER) DRIVE
(SEE PAGE 4-28) (SEE PAGE 4-27) (SEE PAGE 4-27) (SEE PAGE 4-28)
Q102 – 105
FB113
CAM 15V
CAM -7.5V
FB112
L101
CAM 3.2V
L505 L102 FB110 FB151
IC505 IC102 IC101
EVR S/H, AGC, TIMING
(D/A CONV.) A/D CONV. GENERATOR
(SEE PAGE 4-22) (SEE PAGE 4-11) (SEE PAGE 4-11) (SEE PAGE 4-11)
Q201
FB201
IC202 IC201 IC203, 204 IC205
ZOOM SHUTTER/ EX-OR D-FF
MOTOR DRIVE FOCUS (SEE PAGE 4-18) (SEE PAGE 4-18)
(SEE PAGE 4-17) DRIVE
(SEE PAGE 4-17)
IC504 IC506 IC507
CN403
16M 64M EEPROM
FLASH SDRAM (SEE PAGE 4-22)
(SEE PAGE 4-21) (SEE PAGE 4-22)
FB503 FB502
IC601
CN707
USB I/F
(SEE PAGE 4-29)
Q705, 706
FB601
D 3.2V
Q703, 704 CN706
A 4.9V
3
FLASH
UNIT
STUNREG
6
CN963
CN801
BL VO–
1 1
BL VO+
6 6
VGH
7 7
VGL
9 9
VREFH
8 8
VDD
D803
29 29
VSH
30 30
CK-103 BOARD
(SEE PAGE 4-32)
IC805 IC804
COM AMP, LCD TIMING
VCO GENERATOR
(SEE PAGE 4-28)
3-18 E
DSC-S75
L151
IC151
CCD
IMAGER
CN201
F SENS VCC FOCUS
14
SENSOR
Z SENS VCC ZOOM
8
SENSOR
IC206
SHUTTER
CONTROL
(SEE PAGE 4-18)
CONTROL
D 3.2V
SWITCH
4
BLOCK
(ZOOM)
CN752
CN751
CONTROL
D 3.2V
3
SWITCH
5 5
9
BLOCK
(MODE)
CN753
MS VCC
15 15 MS
SOCKET
CN754 D902
AF
1
CAM P 5V ILLUMINATOR
1 1 ı
3
DM-101 BOARD
(2/2)
(SEE PAGE 4-41)
CN961
D901
BL VO–
BACK LIGHT
1
BL VO+
6
CN962
VGH
7
VGL LCD901
9
VREFH
8 COLOR
LCD
VDD
29
MONITOR
VSH
30
PANEL UNIT