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
IC1601
C0DBAKG00007
(DC-DC CONVERTER)
Vin
1
2
3
4
5
6
7
8
L1270 10u
Current
Sense
FET
Gate Drive
GND
Feed Back
PWON
Vref/SS
CC
12
13
14
15
16
17
18
19
20
21
22
2
1
IP1601
K5H3022A0013
L1400
10u
S/S
OSC
ON/OFF
CTL.
GND
Amp out
Vout
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
C1707
6V680
R1703
0
C1704
0.01
C1703
0.1
R1705
4700
C1702
0.1
R1704
10K
Q1700
B1DDCC000009
(REG.XSW+3.8V)
IC1701
C0DBAKG00005
(DC-DC CONVERTER)
1
2
3
4
5
6
C1705
120P
1
2
3
4
5
6
7
8
R1701
47M
R1702
33K
C1706
0.01
D
G
Q1270
B1DHED000008
(DR+12V OUT)
S
1
2
3
4
5
6
7
8
(POWER ON :ON)
QR1301
UNR221300L
R1410 150
R1404 1K
C1406
6V680
L1401
33u
R1401
100K
C1405
1000P
C1400
25V220
C1401
1
C1402
0.01
C1403
390P
C1404
4700P
A
C
B
Vin
:ON
Vout
Vadj.
GND
IC
1
2
3
4
5
IC1401
C0CBCYG00004
(REG.DR+5V)
D
G
Q1600
B1DHED000008
(REG.XSW+5.8V OUT)
S
1
2
3
4
5
6
7
8
R1402
820
P
C1601
25V220
C1602
0.1
C1603
0.1
R1602 51K
C1605
180P
C1604
0.1
R1601
15M
C1606
0.01
C1607
10V680
R1603
2400
R1605
2700
R1604
15K
L1601 15u
LB1600
J0JHC0000048
D1601
B0JCPD000021
QR1801
UNR221300L
(SWITCHING)
QR1800
UNR211300L
(SWITCHING)
QR1304
UNR221300L
(DR P ON :ON)
QR1302
UNR221300L
(DR P ON :ON)
QR1303
UNR221300L
(DR P ON :OFF)
R1800
470
D1800
MA2J11100L
R1801
100K
C1800
25V47
R1803
10K
R1802
4700
R1271
4700
C1274
0.1
R1270
4700
R1311
4700
D1401
B0JCPD000021
R1407
82
R1409
1800
R1405
4700
C1408
0.1
R1411
2000
C1407
10V220
C1272
16V1000
CC
Vref/SS
PWON
Feed Back
GND
Current
Sense
FET
Gate Drive
Vin
< X SW+12.4V >
< X SW+12.4V >
S
S
D
D
D
< X SW+12.4V >
< D+1.5V >
D
D
D
S
S
C1608
0.1
< X SW+5.8V >
< X SW+12.4V >
< X SW+12.4V >
< X SW+3.8V >
X SW 12.4V
C1273
16V120
H
H
H
H
H
H
H
DMR-ES20EG/EP/EE
Power Supply
Schematic Diagram
DMR-ES20EG/EP/EE
Power Supply
Schematic Diagram
DMR-ES20EG / DMR-ES20EP / DMR-ES20EE
45
Summary of Contents for DMR-ES20EG
Page 2: ...2 DMR ES20EG DMR ES20EP DMR ES20EE ...
Page 7: ...5 Each Button 7 DMR ES20EG DMR ES20EP DMR ES20EE ...
Page 12: ...Error Occurring Disc State 12 DMR ES20EG DMR ES20EP DMR ES20EE ...
Page 25: ...12 2 Checking and Repairing of Digital P C B 25 DMR ES20EG DMR ES20EP DMR ES20EE ...
Page 26: ...12 3 Checking and Repairing of Main P C B 26 DMR ES20EG DMR ES20EP DMR ES20EE ...
Page 27: ...12 4 Checking and Repairing of DVD RAM Drive 27 DMR ES20EG DMR ES20EP DMR ES20EE ...
Page 36: ...DMR ES20EG DMR ES20EP DMR ES20EE 36 ...
Page 42: ...DMR ES20EG DMR ES20EP DMR ES20EE 42 ...
Page 54: ...DMR ES20EG DMR ES20EP DMR ES20EE 54 ...
Page 63: ...20 Exploded Views 20 1 Casing Parts Mechanism Section 63 DMR ES20EG DMR ES20EP DMR ES20EE ...
Page 64: ...20 2 Packing Accessories Section 64 DMR ES20EG DMR ES20EP DMR ES20EE ...