11
Block
Diagr
am
11.1.
Power
Supply
Block
Diagram
ON:
5
V OUT
1
8
IC1400
(REG.)
V IN
32
90
19
7
7
DP7501-
TO MAIN P.C.B.
1
DP7501-
TO MAIN P.C.B.
71
IC7501-
FROM MAIN P.C.B.
F+
F-
-VPP
T1130
SW TRANSFORMER
T1110
SW TRANSFORMER
P31904
P6002
2
DIGITAL P.C.B.
TO
DIGITAL P.C.B.
TO
P37101
P56001
47,49,51
P31904
P6002
1
MAIN P.C.B.
TO
P31903
P6003
14,15
P31902
P3902
2
MAIN P.C.B.
TO
DIGITAL P.C.B.
TO
P31903
P6003
19
P37101
P56001
72
P37101
P56001
33
P37101
P56001
37
P37101
P56001
25
P31903
P6003
6
IC7501-
TO MAIN P.C.B.
23
8
IC7501-
TO MAIN P.C.B.
TO
DIGITAL P.C.B.
TO
MAIN P.C.B.
IC37001-
P31904
P6002
4
X SW +5.8V
D +3.3V
P OFF DL
JC P ON
TO
MAIN P.C.B.
TO
FRONT(R) P.C.B.
P31903
P6003
10,11
X SW +5.8V
TO
DIGITAL P.C.B.
P37101
P56001
29
X SW +5.8V
X SW +3.2V
P31906
PP27501
9
2
IP1400
1
2
IP1410
1
2
IP39001
1
2
IP1001
1
2
A
IC1350
(ERROR VOLTAGE DET.)
1
K
R
3
(ERROR VOLTAGE DET.)
VCC
4
D1130
GND
3
D1132
D1133
IC1130
F/B
DRAIN
5
2
Z/C
(SWITCHING IC)
1
3
R
K
1
1
2
4
IC1370
3
(FEED BACK)
Q1130
A
2
D1113
D1112
D1110
B1
20
19
18
17
16
15
14
13
12
9
8
B2
6
P2
4
P1
B2
B1
P2
P1
11
9
10
8
5
4
3
1
DMR-EZ47VP/EZ475VP
Power Supply Block Diagram
1
2
4
3
(FEED BACK)
Q1110
( :ON)
QR1350
Q1350
POWER ON/OFF
CONTROL
H
VCC
4
2
1
4
3
GND
3
HOT
COLD
IC1110
F/B
DRAIN
5
2
Z/C
RECTIFIER
D1101,C1107
L1102
VA1101,L1101
F1101
ABSORBER
SURGE
AND
SUPPRESSOR
SURGE
(SWITCHING IC)
1
P1101
AC SOCKET
H
H
L
DI P ON
L
H
H
H
L
CONT
1
V OUT
4
2
IC1200
(REG. DR+12V)
V IN
DVD DRIVE
TO
QR7801
( : ON)
H
Q7802
(JC P : ON)
MECHA +12.5V
DR +12V
JC +5V
D +5V
D +5V
AU +5V
P31903
TO MAIN P.C.B.
IC-2501-
FROM MAIN P.C.B.
IC-7501-
P6003
17
P31903
P6003
3
UNREG +38V
JC P ON
ANA +3.3V
X SW +4V
P1201
1,2
DR +5V
DR P ON
P1201
4
ON:
V OUT
V IN
H
ON:
H
CONT
3
V OUT
5
1
IC7801
TU7801
U/V TUNER
(B5V)
(ANALOG/DIGITAL)
V IN
11
+30V
1
B5V
17
VIF +5V
9
TUNER +5V
IC7301-
4
REC +5V
ON:
3
V OUT
5
1
IC31001
(REG. JC +5V)
V IN
H
ON:
CONT
3
V OUT
5
1
IC31004
(REG. D +5V)
V IN
3
V OUT
5
4
IC45001
(REG. AU +5V)
V IN
5
V OUT
1
8
IC31002
(REG. ANA +3.3V)
V IN
4
2
1
IC1430
(REG. D +3.3V)
3
4
S
D
D
G
D
D
2
5
1
6
Q1001
(REG. D +2.3V)
7
1
V
IN
CS
EXT
FB
5
8
IC1001
(DC-DC CONVERTER)
QR31002
(DI POWER :ON)
H
QR31001
( :ON)
P37101
P56001
41,43
T +1.5V
P37101
P56001
59,61,63
D +2.3V
P37101
P56001
67
X SW +12V
P37101
P56001
55
X SW +12V
P31903
P6003
18
P37101
P56001
21
P31904
P6002
18
P37101
P56001
19
DMR-
EZ47VP
/
DMR-
EZ475V
P
53
Summary of Contents for DMR--EZ475VP
Page 6: ...2 2 Precaution of Laser Diode 6 DMR EZ47VP DMR EZ475VP ...
Page 8: ...3 Service Navigation 3 1 Service Information 3 2 Caution for DivX 8 DMR EZ47VP DMR EZ475VP ...
Page 9: ...4 Specifications 9 DMR EZ47VP DMR EZ475VP ...
Page 10: ...5 Location of Controls and Components 5 1 Each Buttons 10 DMR EZ47VP DMR EZ475VP ...
Page 11: ...11 DMR EZ47VP DMR EZ475VP ...
Page 34: ...9 2 P C B Positions 34 DMR EZ47VP DMR EZ475VP ...
Page 44: ...10 1 2 Checking and Repairing of Main P C B 44 DMR EZ47VP DMR EZ475VP ...
Page 45: ...10 1 3 Checking and Repairing of Digital P C B 45 DMR EZ47VP DMR EZ475VP ...
Page 46: ...10 1 4 Checking and Repairing of DVD 46 DMR EZ47VP DMR EZ475VP ...
Page 48: ...48 DMR EZ47VP DMR EZ475VP ...
Page 49: ...49 DMR EZ47VP DMR EZ475VP ...
Page 52: ...52 DMR EZ47VP DMR EZ475VP ...
Page 60: ...DMR EZ47VP DMR EZ475VP 60 ...
Page 84: ...DMR EZ47VP DMR EZ475VP 84 ...
Page 111: ...15 1 2 Casing Parts Mechanism Section 2 111 DMR EZ47VP DMR EZ475VP ...
Page 112: ...15 1 3 VHS Mechanism Section 112 DMR EZ47VP DMR EZ475VP ...
Page 113: ...15 1 4 Packing Accessories Section 113 DMR EZ47VP DMR EZ475VP ...