Power Block Diagram 1 - Sony DSC-S70 Service Manual

DSC-S70

3-8. POWER BLOCK DIAGRAM 1

MS-54 BOARD
(SEE PAGE 4-9, 10 )
CN001
ACV UNREG
1
BATT/XEXT
3
DC IN
2
Q002
CN002
+ 1
BT901
BATT SIG
BATTERY S 2
TERMINAL
– 3
CN003
D002
BATT SIG
2
(ACCESS LED)
BATT/XEXT
TO
1
SY-58 BOARD A4.9V
3
CN704
(SEE PAGE 3-15)
MS VCC
13
10 CN004
VCC
3
MEMORY STICK VCC
9
1
CN005
1
2
F005
7
8
R005
F004
9
F003
10
Q003
11
F002
12
D006
13
F001
14
IC001
DC CONTROL
(SEE PAGE4-43)
16 RT
17 CT
05
3-15
DD-141 BOARD
CN001
FAST CHARGE
1
INT CHARGE ON
2
SYS DD ON
ST UNREG
7
ST UNREG
8
BL UNREG
9
UNREG3
10
UNREG3
11
UNREG2
12
UNREG2
13
BATT UNREG
14
Q004
SWITCHING
L001
L006
SWITCHING
T001
L002 Q001
SWITCHING
4
1
18
OUTA 46
44
OUTB
SCPC 24
POW CONT 20
CTLB 21 Q003
SWITCHING
22
CTLCD
OUTC 40
SCPB 13
SCPA 8
Q002
SCPD 29 SWITCHING
L003
39
OUTD
Q005 – 008
REG
VREF 19
Q009, 013
B+
SWITCH
D003, 004 Q021, 024, 030
B–
RECT
SWITCH
Q034
D002
Q020, 023, 026, 029
B–
3
SWITCH
2
5
Q019, 027, 031, 033
6
B+
SWITCH
EMERGENCY
DETECT
8
Q010 Q020, 032, 025, 028
D001
B+
SWITCH
L004 L011
R072
SWITCHING
Q036
L012
L009
L005
Q014, 016
L014
B+
SWITCH
LCD DD ON
L008
Q806, 807
IC851
USB IF
A3.2V
(SEE PAGE 4-47)
VIDEO AMP
(SEE PAGE4-46)
3-16
CN852
FAST CHARGE
69
INIT CHARGE ON
71
SYS DD ON
70
LCD DD ON
68
ST UNREG 51
53
BU UNREG 63
65
BATT UNREG
64
41
D1.8VS
43
D1.8VP
42
44
PANEL –15.3V
62
CAM –7.5V
50
CAM 15V
52
TO
PANEL 13.2V
SY-58 BOARD
60
CN711
(SEE PAGE 3-17)
PANEL 6.5V
58
55
CAM P5V
57
SP 5V
59
61
A3.2V
37
39
PANEL 3.2V
54
CAM 3.2V 46
48
45
D3.2V
47
49
PANEL 4.9V
56
A4.9V
38
40
L801
IC802