Power Block Diagram 1 - Sony Cybershot DSC-P9 Service Manual

DSC-P9
COVER
COVER

3-8. POWER BLOCK DIAGRAM 1

SY-77 BOARD (1/2)
JK-227 BOARD
JK-226 BOARD
J001
CN703
DC IN
17
ACV UNREG ACV UNREG1
ı
24
BATT/XEXT
BATT/XEXT Q017, 018
37
GND
BATT
1
UNREG1
BATT UNREG1
+
ı
8
BT901
BATT SIG
BATTERY BATT SIG
S 36
TERMINAL
9
BATT GND GND
–
ı
16
ST-70 BOARD
T001 CN351
Q360, 361
4
FLASH ST UNREG
ı
UNIT
8
VL 3V
1
BT001
LITHIUM
BATTERY
05
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
F004
F003
FAST CHARGE
INIT CHARGE
D007
Q015, 021
D008
CHARGE
D006 L016
CONTROL
F001
BATT/XEXT
BATT SIG
FR 5V
DD CON SENS
L351 D407
IC403
INITIAL RESET,
BACK UP VCC
(7/10)
IC404
FRONT CONTROLLER
(7/10)
66 DD CON SENS
68 ACV SENS
67 BATT SENS
FAST CHARGE
48 FAST CHARGE
INIT CHARGE
47 INIT CHARGE
BATT/EXT
8 BATT/XEXT
Q408
BATTERY
BATT SIG 43 BATT SI
CHARGE
42 BATT SO
DETECTOR
STB CHARGE
46 STB CHG
SYS DD ON
XCS DDCON
UNREG SO
UNREG SCK
3-15
3. BLOCK DIAGRAMS 3. BLOCK DIAGRAMS
D009
D001
IC002
(10/10)
L017 D010
DC/DC
CONVERTER
IC001
DC/DC CONTROL
(10/10)
Q002, 005
L019
41
VCC2
SWITCHING
OUT 1p 36
OUT 1n 37
VIN 1– 55
47 RST
OUT 4p 30
OUT 4n 31
48 LD ON
VIN 4– 53
EVER 3.0V
56 VCC1
L401 VCC3 42
VCC5 20
Q008, 010
L004
SWITCHING
OUT 5p 38
OUT 5n 39
OUT 5S 43
VIN 5– 52
Q009, 011
L002
SWITCHING
OUT 6p 28
OUT 6n 29
OUT 6S 18
VIN 6– 50
VCC4 19
OUT 9 23
IN 9– 80
SYS DD ON
76 57 CONT SCP 9 1
XCS DDCON
22 44 XCS
UNREG SO
20 45
DATA
UNREG SCK
21 46
CLK
22
OUT 10
AMP IN 4
AMP OUT 5
IN 10 − 3
EMERGENCY
SCPIN 10
DETECT
L005 L011
Q003, 006
L020 L006 L007
SWITCHING
L008
L009
L021
Q012
L012
Q013
L013
Q007
D002 D013
L001
SWITCHING
Q004
D004 D005
L010
SWITCHING
Q001
3-16
CN706
HI UNREG
CPC
10
(FOR CHECK)
CONTROL SWITCH BLOCK
CN704
PWR LED VCC
12 (POWER)
D 2.9V
3 D 2.9V
EVER 3.0V
D 1.5V
D 2.9V
A 2.9V
PANEL 2.9V
POWER 2
A 4.9V A
(PAGE 3-17)
IC003
(10/10)
CAM 3.2V
3.2V
REG
M 5V
L014
CAM 15V
BL VO–
Q019, 020
–7.5V CAM –7.5V
REG