Block Diagram; Power Supply Block Diagram - Panasonic DMR-EH75VP Service Manual

12 Block Diagram

12.1. Power Supply Block Diagram

VA11101,L11101
L11102 D11101,C11108
AC SOCKET
P11101
F11101
SURGE RECTIFIER
3
SUPPRESSOR
AND
SURGE
2
ABSORBER
IC11201
(SWITCHING IC)
7
VCC
1 ZC
F/B GND
2 3
D11212 D11203
IC11301
(SWITCHING IC)
4
VCC
1 ZC
F/B GND
2 3
D11306 D11304
T11101
SW TRANSFORMER
P1
1 1
4 11
P2
3
B1
4 9
B2
5
D11210
Q11101
(FEED BACK)
4 1
DRAIN 9
3 2
T11301
SW TRANSFORMER
20
D11305
19
18
P1
4 17
16
P2
DRAIN 5 6 15
14
B1
8 13
B2
9 12
Q11301
(FEED BACK)
4 1
3 2
HOT COLD
IC11502
(ERROR VOLTAGE DET.)
K A R
1 3 2
Q11502
POWER ON/OFF
CONTROL SWITCH
IP11702
2
IP11703
2
IC11701
(ERROR VOLTAGE DET.)
K A R
1 3 2
59
X SW+12.5V
MECHA+12.5V
TO
P31903 P6003
MAIN P.C.B.
15,16
IC2501-
FROM
DR P SAVE L
P31903 P6003
MAIN P.C.B.
5
IC7501-
QR11501
( :ON)
H
TO
F- P31905 P6001
MAIN P.C.B.
1
DP7501-
IC11720
(REG.)
TO
F+ P31905 P6001
1 8 V IN V OUT 1 MAIN P.C.B.
2
DP7501-
ON H
5
TO
-29V
P31905 P6001
1 MAIN P.C.B.
4
DP7501
X SW+6V
D+12V
P37101 P59001 TO
64,66,68,70,72,74 DIGITAL P.C.B.
D+12V
UNREG+36V P31902 P6004 TO
10 MAIN P.C.B.
DMR-EH75VP
Power Supply Block Diagram
DMR-EH75VP
A
B
1
67
1
45
C
D