
11 Block Diagram
11.1. Power Supply Block Diagram
H
IC7501- 71
DR P ON
IC1200
2
IP1280
1
B
I
J
G
A
D
H
F
X SW+3.2V
P1
D1150
3
1
2
2
1
4
3
1
4
3
ON
VOUT
IC1540
(REG.DR+5V)
N31
7
6
N11
8
P2
N63
9
4
B1
N61
10
3
B2
N64
11
2
N62
12
TRANSFORMER
POWER
T1101
F/B
2
(SHUNT REG.)
VIN
2
3
1
COLD
HOT
Q1200
COUPLER
PHOTO
(SWITCHING IC)
IC1150
VCC
DRAIN
Z/C
5
4
1
RECTIFIER
C1107
D1101
VA1101,L1101
ABSORBER
SURGE
AND
SUPPRESSOR
SURGE
F1101
P1101
AC SOCKET
DMR-EZ17P
Power Supply Block Diagram
H
H
H
H
H
(Audio Main Section)
(Audio Main Section)
ON
(REG.ANA+3.3V)
ANA+3.3V
8
5
1
VIN
VOUT
IC1500
30
IC7501-
3 CONT
2
CONT
ON
ON
IC4001-
VOUT
VIN
5
1
4
(REG.AU+9V)
IC4003
1 VIN
IC1510
5
(REG.X SW+5.2V)
X SW+5.2V
VOUT
DI P ON
23
7
(POWER TRANS.)
T7501
1
2
IP7501
1
(REG.AU+5V)
IC4002
4
3
5
VIN
VOUT
IC4901-
(REG.D+5V)
IC1550
1
3
5
VIN
VOUT
(Timer Section)
X SW +4V
D+5V
K
UNREG38V
X SW+12V
X SW+12V
AU+9V
AU+5V
DR+5V
IC7504- 8
E
X SW+5.8V
H
DI P ON
C
DMR-EZ17P
33
Содержание DMR-EZ17P
Страница 5: ...2 2 Precaution of Laser Diode 5 DMR EZ17P ...
Страница 7: ...3 Service Navigation 3 1 Service Information 7 DMR EZ17P ...
Страница 8: ...4 Specifications 8 DMR EZ17P ...
Страница 9: ...5 Location of Controls and Components 9 DMR EZ17P ...
Страница 10: ...10 DMR EZ17P ...
Страница 29: ...10 1 2 Checking and Repairing of Main P C B 29 DMR EZ17P ...
Страница 32: ...32 DMR EZ17P ...
Страница 57: ...13 4 Front Jack P C B 1 A B C D 2 3 4 5 DMR EZ17P Front Jack P C B VEP73143A Front Jack P C B DMR EZ17P 57 ...
Страница 58: ...DMR EZ17P 58 ...
Страница 64: ...15 Parts and Exploded Views 15 1 Exploded Views 15 1 1 Casing Parts Mechanism Section 64 DMR EZ17P ...
Страница 65: ...15 1 2 Packing Accessories Section 65 DMR EZ17P ...