H
H
H
H
H
H
H
H
H
L
L
H
H
H
93
155
123
105
95
D+1.5V
67
46
4
IC37001- / / / / / /
P9001
P7402
76
IC7301- 28
RESET +5.2V
35
6
UNREG +38V
Except(EG)
CONT
5
1
IC7505-
108
DMR-ES20EG/EP/EE
Power Supply Block Diagram
DMR-ES20EG/EP/EE
Power Supply Block Diagram
GND
VCONT
2
D7506
X SW+12.4V
X SW+5.8V
POWER ON
D+1.5V
X SW+3.8V
MAIN P.C.B.
E
D
C
B
A
JC REG.+5V
PS+5V
GND
5V
AU+5V
ANA+5V
DIGITAL P.C.B.
7
IC4406- (VDD)
DAC+3.3V
8
11
IC4404- ,IC4405- ,IC4406-
AU+5V
SYS PFAIL
D+3.3V
ANA+3.3V
X SW+3.3V
IC7501- 15
(ANA+3.3V)
IC3201,IC3202,IC3206,IC37001
ANA+3.3V
X RESET OUT
D+2.5V
IC3201,IC6006,IC6007(D+2.5V)
(D+3.3V)
IC37001,IC37002,IC37005
IC4008,IC6001,IC6003,IC6011,IC6701,
IC3201,IC3206,IC3207,IC3208,IC4007,
D+3.3V
P9001
P7402
38,42
IC6005
VOUT
(RESET)
VDD
4
5
GND
VB
5
2
IC6008
VOUT
(REG.D+2.5V)
VIN
1
3
P9001
P7402
68,70,72,74
81
IC7501-
(INV.SW.)
QR7506
:ON
IC7506
OUT
(RESET)
VDD
1
2
GND
5
VIN
1
GND
3
2
6
:ON
VOUT
IC4409
(REG.DAC+3.3V)
P9001
P7402
17
ANA+5V
26
18
6
IC3206- / / /
P9001
P7402
48,52
D+1.2V
234
208
IC3201-
3
IC9001
VOUT
(REG.D+1.2V)
VIN
1
8
P9001
P7402
82,84,86,88
(REG.X SW+3.3V)
IC1505
VOUT
VIN
1
3
8
GND
5 CONT
(REG.D+3.3V)
IC1504
VOUT
VIN
3
5
1
GND
(REG.ANA+3.3V)
IC1502
VOUT
VIN
1
3
5
8
GND CONT
JC P ON
IC7501- 50
SECTION
TIMER
FROM
(REG.AU+5V)
IC4011
VOUT
VIN
5
2
:ON
3
4
GND
DI P ON
IC7501- 51
SECTION
TIMER
FROM
CONT
(REG.ANA+5V)
IC1501
VOUT
VIN
1
3
5
8
GND
6
3
IC7301- / /
PK7301
IC7302
1
3
VDD
OUT
(RESET)
26
IC7301-
NICAM DECODER P.C.B.
PK7701
7
TUNER P.C.B.
U/V TUNER
TU7801
5V(VIF)
BTL+30V
5V(TUNER)
B
17
16
7
1
K7810
GND
5
(REG.+5V)
IC1510
VOUT
VIN
3
5
:ON
2
1
GND
3
10
17
PS7801
PS7801
PS7801
PP7401
PP7401
PP7401
94
84
42
IC3001- / /
(REG.5V)
IC7402
VOUT
:ON
6
2
3
GND
1 VIN
IC7501- 11
18
8
IC7503- ,IC7504- /
8
112
106
69
34
IC7501- / / / /
80
IC7501-
RESET
P FAIL
IC7502
OUT
(RESET)
VDD
4
5
(RESET)
IC7505
OUT
VDD
1
2
D7509
4
1
3
2
X SW+5.2V
CONT
5
(REG.X SW+5.2V)
IC1511
VOUT
VIN
1
3
8
GND
40
25
8
6
IC3001- / / /
TRANSFORMER
POWER SWITCHING
DISPLAY HEATER
T7501
7
1
IP7501
2
1
PS+11.6V
8
8
46
IC3001- ,IC4009- ,IC4012-
PWR SAVE :ON
IC7501- 78
SECTION
TIMER
FROM
( :ON)
QR7401
(REG.PS+5V)
IC7403
VOUT
VIN
1
5
3
8
CONT
(REG.PS+11.6V)
IC7401
VOUT
VIN
3
5
:ON
2
1
GND
DMR-ES20EG / DMR-ES20EP / DMR-ES20EE
38
Содержание DMR-ES20EG
Страница 2: ...2 DMR ES20EG DMR ES20EP DMR ES20EE ...
Страница 7: ...5 Each Button 7 DMR ES20EG DMR ES20EP DMR ES20EE ...
Страница 12: ...Error Occurring Disc State 12 DMR ES20EG DMR ES20EP DMR ES20EE ...
Страница 25: ...12 2 Checking and Repairing of Digital P C B 25 DMR ES20EG DMR ES20EP DMR ES20EE ...
Страница 26: ...12 3 Checking and Repairing of Main P C B 26 DMR ES20EG DMR ES20EP DMR ES20EE ...
Страница 27: ...12 4 Checking and Repairing of DVD RAM Drive 27 DMR ES20EG DMR ES20EP DMR ES20EE ...
Страница 36: ...DMR ES20EG DMR ES20EP DMR ES20EE 36 ...
Страница 42: ...DMR ES20EG DMR ES20EP DMR ES20EE 42 ...
Страница 54: ...DMR ES20EG DMR ES20EP DMR ES20EE 54 ...
Страница 63: ...20 Exploded Views 20 1 Casing Parts Mechanism Section 63 DMR ES20EG DMR ES20EP DMR ES20EE ...
Страница 64: ...20 2 Packing Accessories Section 64 DMR ES20EG DMR ES20EP DMR ES20EE ...