Block Diagram; Power Supply Block Diagram - Panasonic DMR-EZ27P Service Manual

11 Block Diagram

11.1. Power Supply Block Diagram

D1101
VA1101,L1101 C1107
AC SOCKET
P1101
F1101
SURGE RECTIFIER
3
SUPPRESSOR
AND
SURGE
4
ABSORBER
IC1150
(SWITCHING IC)
1 Z/C DRAIN 5
VCC F/B
4 3 2
D1150
T1101
POWER
1
TRANSFORMER
P1 N31
6 7
N11
8
P2 N63
4 9
B1 N61
3 10
B2 N64
2 11
N62
12
IC1200
(SHUNT REG.)
Q1200
2
1
PHOTO
4
COUPLER
2 1 3
HOT COLD
IP1280
2 1
IC1500
(REG.ANA+3.3V)
8 VIN
IC1540
(REG.DR+5V)
DR P ON H
ON H 2 IC7501- 71
1 VIN
VOUT 3
IC1550
(REG.D+5V)
1 VIN
(Audio Main Section)
IC4003
(REG.AU+9V)
AU+9V
5 VIN VOUT 4 IC4001-
ON H
1
(Timer Section)
T7501
IP7501 (POWER TRANS.)
1 2 1 7
X SW+12V
IC7504- 8
35
X SW+3.2V
DI P ON
VOUT 1
ON H
5
X SW+5.8V
(Audio Main Section)
IC4002
(REG.AU+5V)
4 VIN VOUT 5
ON H
3
IC1510
(REG.X SW+5.2V)
1 VIN
X SW+5.2V
VOUT 5
3 CONT
VOUT 5 IC4901- 2
CONT
3
30
DI P ON H
IC7501- 23
UNREG38V
DMR-EZ27P/PC
Power Supply Block Diagram
DMR-EZ27P / DMR-EZ27PC
X SW +4V
A
B
H
C
ANA+3.3V
D
E
AU+5V
F
G
D+5V
H
DR+5V
I
X SW+12V
J
K