Sony DSC-U20 - Page 19

DSC-U20
COVER
COVER
3. BLOCK DIAGRAMS
3. BLOCK DIAGRAMS
3-5 3-6
3-3. POWER BLOCK DIAGRAM (1/2)
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
+
–
DD-182 BOARD (1/2)
IC001
DC/DC CONTROL
(2/2)
IC004
(1/2)
BT901
BATTERY
TERMINAL
BATT UNREG/+
BATT GND/–
F001
F002
Q003, 005
Q008, 009
F003
F004
F005
56
36
10
7
6
VCC1
OUT1p
SCPIN
RT
CT1
37OUT1n
55VIN1–
L001
L018 L019
L008 L010
SWITCHING
Q013, 016
8 CT2
45
46
DATA
CLK
44 XCS
57 CONT
41
VCC2
39OUT5n
38OUT5p
42VCC3
20VCC5
43OUT5S
52VIN5–
L007
Q024
SWITCHING
Q020, 022
30
23OUT9
1SCP9
80IN9–
OUT4p
31OUT4n
53VIN4–
L002 L009
SWITCHING
Q015, 017
L003
D006, 007
D002
D008
D001
D009 D005
D004
SWITCHING
Q019
SWITCHING
SWITCH
Q007
Q014
SWITCH
Q011
Q001, 004, 018
ST UNREG
DD CON SENS
EVER 4.0V
ACV UNREG
BATT UNREG
D 1.5V
D 2.8V
A 2.8V
PANEL 2.8V
CAM 15V
PANEL 13.5V
M 5V
BUZZER 15V
CAM –7.5V
FL –VO
CAM DD ON
POWER (2/2)
(PAGE 3-7)
B
POWER (2/2)
(PAGE 3-7)
A
05
Q026, 027
Q025
50VIN6–
19VCC4
29OUT6n
28OUT6p
18OUT6s
L005
SWITCHING
Q021, 023
Vout 1Vin2
IC002
VOLTAGE DETECT
(1/2)
IC003
VCC
REG1
8
REG2
6
REG3
4
7
VEE
3
13.5V/15V/–7.5V REG
(1/2)
STB
1
(USB)
SYS DD ON
XCS DDCON
UNREG SCK
UNREG SO
USB UNREG SW
FAST CHARGE
EVER 3.0V
FP-532
FLEXIBLE
BOARD
(1/2)
TY-15 BOARD
(1/2)
CN901 (1/2)
USB 5V
VCC
US-4
FLEXIBLE
BOARD
CN050
1
CN907
2
3
49
48
CN001 (1/2)
USB 5V
3
4
3IN10–
22OUT10
4AMPIN
5AMPOUT
EMERGENCY
DETECT
Q012
EMERGENCY
DETECT
Q010
L014
L015
L013
L012
Q002, 006
DC/DC
CONVERTER
L016
L017