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
37
OUT1n
55
VIN1–
L001
L018
L019
L008
L010
SWITCHING
Q013, 016
8 CT2
45
46
DATA
CLK
44 XCS
57 CONT
41
VCC2
39
OUT5n
38
OUT5p
42
VCC3
20
VCC5
43
OUT5S
52
VIN5–
L007
Q024
SWITCHING
Q020, 022
30
23
OUT9
1
SCP9
80
IN9–
OUT4p
31
OUT4n
53
VIN4–
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
50
VIN6–
19
VCC4
29
OUT6n
28
OUT6p
18
OUT6s
L005
SWITCHING
Q021, 023
Vout
1
Vin
2
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
3
IN10–
22
OUT10
4
AMPIN
5
AMPOUT
EMERGENCY
DETECT
Q012
EMERGENCY
DETECT
Q010
L014
L015
L013
L012
Q002, 006
DC/DC
CONVERTER
L016
L017
