PANASONIC PV-DC3000 BLOCK DIAGRAM bl2 pow

DC
IN

+3.3V

J2501

BATTERY

D2510

Q2501

BACK-UP

P2501

2

P2501

25

C2512

P2501

22,23,24

18 - 21

18-21
P2501
14 - 17

FROM SYSTEM CONTROL
BLOCK DIAGRAM

MAIN C.B.A.JACK C.B.A.

P2002

24

P2002

1

P2002

2,3,4

P2002
5,6,7,8
P2002

9 - 12

TP1008

TP1007

(FROM IC2001(19))
CAMERA POWER ON(H)

(FROM IC2001(18))
LCD POWER ON(H)

D1001

+3.3V

F1001
32V/3A

Q1013

Q1014

IC1001

21

23

22

14

13

15

16

(PWM CONTROL)

ON/OFF
CONTROL

TRIANGLE
WAVE
OSCILLATOR

SHORT CIRCUIT
PROTECTOR

PWM
CONTROL

PWM
CONTROL

PWM
CONTROL

PWM
CONTROL

DRIVE

ERROR AMP

DRIVE

ERROR AMP

DRIVE

ERROR AMP

DRIVE

ERROR AMP

VCC
VCC
VCC

BACKUP VOLT AGE

Q1004

Q1005

TP1004

TP1010

TP1002

TP1011

UNREG
SW UNREG

FROM SYSTEM
CONTROL
BLOCK DIAGRAM

+3.3V(D)

+2.2V(D)

+3.6V

+3.0V(A)

-7.5V

+15 V

+13.3V

+12V

+5.0V(A)

Q1002

+2.2V
REGULATOR

+3V
REGULATOR

Q1015

(FROM POWER SW)
POWER ON & SHUTTER
TRIGGER PULSE

(FROM P2001(65))
POWER OFF(H)

TP1005

TP1006

Q1012

TP1001

TP1012

D1012

Q1003

20
37
47

17

Q1007

+3.3V
CONTROL

36

29

31

Q1009

+3.6V
CONTROL

41

26

27

Q1008

CCD POWER
CONTROL

46

11

10

3

7

5

Q1006

LCD POWER
CONTROL

Q1001

T1001

SWITCHING
TRANSFORMER

5 1

T1002

4

SWITCHING
TRANSFORMER

5

IC1004

8 5

34

2

3

2

1

PWM
CONTROL

D1004

D1002

D1005

RECTIFIER

D1006

RECTIFIER

D1007

RECTIFIER

D1008

RECTIFIER

3
26

C1040, 1049

SMOOTHING

C1038, 1050

SMOOTHING

C1045

SMOOTHING

C1042, 1051

SMOOTHING

Q1010

NOT USED

TP1003

IC1002

3 2

IC1003

6 4

Q1011

OVER CURR.
PROTECT