11 Block Diagram
11.1. Power Supply Block Diagram
H
H
H
H
TIMER +5V
UNREG +38V
8
IC7503-
D7506
TO
U/V
TUNER
D
B
A
C
E
F
H
G
ANA+3.3V
X SW+3.3V
X SW+3.8V
X SW+3V
IC7501- 16
(X SW+3.3V OUT)
Q1502
(REG.ANA+3.3V)
IC1521
VOUT
VIN
1
4
5
8
GND CONT
DI P ON
IC7501- 44
SECTION
TIMER
FROM
15
P1501
P1102
X SW+3.8V
12,13
P1501
P1102
X SW+3V
1,2,3
P1501
P1102
X SW+5.8V
9,10,11
P1501
P1102
X SW+12V
TRANSFORMER
POWER SWITCHING
DISPLAY HEATER
T7501
7
1
IP1501
2
1
IP7501
2
1
PS+11.6V
8
8
46
IC3001- ,IC4009- ,IC4012-
PWR SAVE :ON
IC7501- 79
SECTION
TIMER
FROM
( :ON)
QR7401
(REG.PS+11.6V)
IC7401
VOUT
VIN
3
5
:ON
2
1
GND
H
H
DR+12V
DR P ON
IC7501- 42
SECTION
TIMER
FROM
( :ON)
QR1501
FET
D
S
G
Q1509
(DR+12V OUT)
1
2
3
5
6
7
8
4
AC INLET
P1101
SURGE
SUPPRESSOR
AND
SURGE
ABSORBER
F1101
VA1110,L1120,L1121
D1140,C1143
RECTIFIER
T1150
POWER
SWITCHING
TRANSFORMER
12
P1
2
1
3
4
9
5
IC1150
(SWITCHING IC)
VCC
GND
Z/C
F/B
10
8
7
P2
V2
V1
7
VIN
S1B
S1A
S1C
S2
S3B
S3A
2
3
4
5
1
3
2
D1270
D1400
SWITCHING
QR1800,QR1801
1
2
7
6
Vin
PW
ON
FET
Gate
Drive
GND
IC1601
(DC/DC CONVERTER)
FET
D
S
G
2
4
5
6
7
1
3
8
Q1600
(REG.X SW+5.8V)
4
3
2
1
Q1200
(FEED BACK)
1
2
3
IC1200
(ERROR VOLTAGE DET.)
COLD
HOT
POWER P.C.B.
MAIN P.C.B.
DMR-EH67GN/GC/GCS
Power Supply Block Diagram (1/2)
8
Current
Sense
6
1
DMR-EH67GN / DMR-EH67GC / DMR-EH67GCS
45
Содержание DMR-EH67GN
Страница 5: ...2 2 Precaution of Laser Diode 5 DMR EH67GN DMR EH67GC DMR EH67GCS ...
Страница 7: ...3 Service Navigation 3 1 Service Information 3 2 Caution for DivX 7 DMR EH67GN DMR EH67GC DMR EH67GCS ...
Страница 8: ...4 Specifications 8 DMR EH67GN DMR EH67GC DMR EH67GCS ...
Страница 9: ...9 DMR EH67GN DMR EH67GC DMR EH67GCS ...
Страница 10: ...5 Location of Controls and Components 10 DMR EH67GN DMR EH67GC DMR EH67GCS ...
Страница 11: ...11 DMR EH67GN DMR EH67GC DMR EH67GCS ...
Страница 13: ...6 1 2 When the Forcible Disc Eject can not be done 13 DMR EH67GN DMR EH67GC DMR EH67GCS ...
Страница 29: ...9 2 P C B Positions 29 DMR EH67GN DMR EH67GC DMR EH67GCS ...
Страница 31: ...3 Confirm the Brinder spring is attached as following 9 5 HDD ATAPI P C B 31 DMR EH67GN DMR EH67GC DMR EH67GCS ...
Страница 38: ...10 1 2 Checking and Repairing of RAM Digital P C B Module 38 DMR EH67GN DMR EH67GC DMR EH67GCS ...
Страница 39: ...10 1 3 Checking and Repairing of Main P C B 39 DMR EH67GN DMR EH67GC DMR EH67GCS ...
Страница 40: ...10 1 4 Checking and Repairing of HDD 40 DMR EH67GN DMR EH67GC DMR EH67GCS ...
Страница 44: ...44 DMR EH67GN DMR EH67GC DMR EH67GCS ...
Страница 70: ...DMR EH67GN DMR EH67GC DMR EH67GCS 70 ...
Страница 89: ...15 1 2 Packing Accessories Section 89 DMR EH67GN DMR EH67GC DMR EH67GCS ...