12
13
14
15
16
17
18
19
20
21
22
C
R1402
820
L1402 15u
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
X SW 5.8V
X SW 5.8V
X SW 12.4V
GND
GND
GND
GND
GND
POWER ON
D1.5V
D1.5V
X SW 3.8V
DR P ON
DR12V
DR12V
DRGND
DRGND
DR5V
DR5V
TO P1501
MAIN P.C.B.
(MAIN NET SECTION)
P1102
S
D
LB1400
J0JHC0000048
C1407
25V220
D1401
B0JCPD000021
D
G
D
D
L1400 10u
C1413
6V680
C1421
0.1
R1407
2700
C1410
0.022
C1409
0.1
R1409
4700
C1408
0.1
R1411
12K
C1273
16V120
Q1400
B1DHDD000022
(REG.DR+5V)
IC1401
C0DBAKG00005
(DC-DC CONVERTER)
1
2
3
4
5
6
C1411
180P
1
2
3
4
5
6
7
8
R1406
33M
R1405
51K
L1601 15u
2
1
IP1601
K5H3022A0013
S
D
LB1600
J0JHC0000048
C1601
25V220
D1601
B0JCPD000021
D
G
D
D
C1607
10V680
C1608
0.1
R1603
2400
C1604
0.1
C1603
0.1
R1605
2700
C1602
0.1
R1604
15K
Q1600
B1DHDD000022
(REG.XSW+5.8V OUT)
IC1601
C0DBAKG00007
(DC-DC CONVERTER)
1
2
3
4
5
6
C1605
180P
1
2
3
4
5
6
7
8
R1601
15M
R1602
51K
2
C1606
0.01
HDD PFAIL
2
1
IP1401
K5H3022A0013
3
4
DR GND
DR GND
DR5V
TO HDD
P1103
DR12V
L1270
10u
GND
ON/OFF
CTL.
Vout
Amp out
OSC
S/S
Amp(-)
IC1400
C0DAAJG00007
(DC-DC CONVERTER)
Vin
1
2
3
4
5
6
7
8
D1400
B0JCPE000015
L1701 22u
S
D
LB1700
J0JHC0000048
C1701
25V220
D1701
B0JCPE000015
D
G
D
D
CC
Vref/SS
PWON
Feed
Back
GND
Current
Sence
C1707
6V680
R1703
0
FET
Gate
Drive
C1704
0.01
C1703
0.1
R1705
4700
C1702
0.1
R1704
10K
Q1700
B1DDCC000009
(REG.XSW+3.8V)
IC1701
C0DBAKG00005
(DC-DC CONVERTER)
Vin
1
2
3
4
5
6
C1705
120P
1
2
3
4
5
6
7
8
R1701
47M
R1702
33K
C1412
0.01
R1518 10K
C1706
0.01
D
G
Q1270
B1DHED000008
(DR+12V OUT)
S
1
2
3
4
5
6
7
8
L1503
10u
C1513
10V470
1
4
VOUT
5
VCC
Vref
+
3
2
-
(DR P ON :ON)
(POWER ON/OFF
CTL.SW)
QR1303
UNR221300L
QR1302
UNR221300L
(SWITCHING)
QR1801
UNR221300L
QR1301
UNR221300L
(POWER ON :ON)
R1311
4700
(HDD PFAIL OUT)
IC1501
C0EBJ0000143
(SWITCHING)
R1800
470
QR1800
UNR211300L
D1800
MA2J11100L
R1801
100K
R1802
4700
C1800
25V47
R1803
10K
QR1304
UNR221300L
C1274
0.1
(DR P ON :ON)
R1270
4700
R1271
4700
R1410 150
R1404 1K
C1514
0.01
C1406
6V680
C1402
0.01
L1401
33u
R1401
100K
C1401
1
C1405
1000P
C1400
25V220
C1403
390P
C1404
4700P
A
B
C1272
16V1000
DMR-EH50GN
Power Supply
Schematic Diagram
DMR-EH50GN
Power Supply
Schematic Diagram
P
P
Vin
FET
Gate
Drive
Current
Sence
GND
Feed
Back
PWON
Vref/SS
CC
Vin
Vref/SS
CC
PWON
Feed
Back
FET
Gate
Drive
Current
Sence
GND
X SW 12.4V
H
H
H
H
L
H
L
51
Содержание DMR-EH50GN
Страница 1: ...ORDER NO DSD0503043C3 DVD Video Recorder DMR EH50GN Vol 1 Colour S Silver Type ...
Страница 7: ...3 Precaution of Laser Diode ...
Страница 9: ...5 Each Button ...
Страница 12: ......
Страница 30: ......
Страница 33: ...12 3 Checking and Repairing of Main P C B ...
Страница 34: ...12 4 Checking and Repairing of DVD RAM Drive ...
Страница 35: ...12 5 Checking and Repairing of HDD ...
Страница 36: ......
Страница 43: ...Ref No MODE E C B REC 3 8 1 2 3 1 PLAY 3 8 1 2 3 1 STOP 3 8 1 2 3 1 Q7802 ...
Страница 58: ...1 A B C 2 3 4 DMR EH50GN Main P C B VEP79107K 1 4 Section Location Map REAR 1 4 2 4 3 4 4 4 FRONT ...
Страница 59: ...5 6 7 8 DMR EH50GN Main P C B VEP79107K 2 4 Section 1 4 2 4 3 4 4 4 Location Map FRONT REAR ...
Страница 60: ...D E F DMR EH50GN Main P C B VEP79107K 3 4 Section 1 4 2 4 3 4 4 4 Location Map FRONT REAR ...
Страница 61: ...DMR EH50GN Main P C B VEP79107K 4 4 Section 1 4 2 4 3 4 4 4 Location Map FRONT REAR ...
Страница 63: ...1 A B C D 2 3 4 5 Tuner Pack P C B DMR EH50GN Tuner Pack P C B VEP07A77C ...
Страница 64: ...1 A B C D F 2 3 4 5 LED P C B Front L P C B DMR EH50GN LED P C B VEP70116B Front L P C B VEP70115A ...
Страница 65: ...1 A B C D 2 3 4 5 Nicam Decoder P C B DMR EH50GN Nicam Decoder P C B VEP07A51A ...
Страница 94: ......
Страница 95: ......
Страница 110: ......
Страница 111: ......