80
11.2. Power Supply Block Diagram
3
4
1
2
FB
S
VIN
EXT UP
D
2
6
5
1
G
3
Q14301
(REG.X SW +5.9V)
4
9
8
11
MODE
2
IC14301
(DC-DC CONVERTER)
4
IC12201
(ERROR VOLTAGE DET.)
3
2
DMR-BWT720EB
Power Supply Block Diagram
L
QR10101
(S P SAVE :OFF)
Q10101
(POWER CONT.)
D13201
(FEED BACK)
Q10102
1
2
3
4
(FEED BACK)
Q12201
1
2
3
4
D11304
D10101
D10102
(SWITCHING IC)
F/B
Z/C
GND VCC
VIN
+
-
~
~
IC11301
7
9
3
1
4
5
2
N
A
RECTIFIER
D11101,C11105
HOT
COLD
6
5
3
P2
B1
B2
1
P1
NS12-2
NS12-1
12
11
10
8
9
7
POWER
TRANSFORMER
T11301
L11101,L11102
VA11101,
F11101
ABSORBER
SURGE
AND
SUPPRESSOR
SURGE
P11101
AC SOCKET
D11305
D11303
60
IC59501-
L
SP SAVE
FROM
TIMER
BLOCK
SECTION
4
9
8
6
5
3
1
IP7501
1
2
D7506
D7502
D7503
D7504
F+
F-
VP
Q7502
H
QR7501
(FL DCDC ON :ON)
H
FL DCDC ON
H
FL DCDC ON
L
Q7501
T7501
DISPLAY POWER
SWITCHING
TRANSFOMER
( :ON)
41
IC59501-
FROM
TIMER
BLOCK
SECTION
L
QR58801
( :ON)
Q58801
(FL DRIVE)
40
IC59501-
L
FILA ON
FROM
TIMER
BLOCK
SECTION
Q4001
( :ON)
14
P58813
P6703
1
11
P3002
P58809
54
IC59501-
DIGITAL P.C.B.
AV IO P.C.B.
TO
IC3001
2,3,5
7,9,10
P3002
P58809
CNT
16
P58813
P6703
20,21,22,23
P58813
P6703
9,10
P58813
P6703
1
2
IP58801
2
IP58802
2
P7201
P58802
TO
FRONT (R) FL
P.C.B.
+5V
12
P58813
P6703
TO
JK4901
5
3
1
IC4901
(REG. OPT +5V)
VIN
VOUT
L
CNT
TO
IC3001
5
3
1
IC3004
(REG. PS +5V)
VIN
VOUT
26
IC3001
EXTCTL1
L
P SAVE
39
IC59501-
CNT
TO
IC3001
5
3
1
IC3005
(REG. AVIO +5V)
VIN
VOUT
8
P7201
P58802
6
P7201
P58802
QR4001
(P.SUPPLY CONT.)
FROM
TIMER
BLOCK
SECTION
FROM
TIMER
BLOCK
SECTION
H
AU ON
1
Summary of Contents for DMR-BWT720EB
Page 2: ...2 ...
Page 3: ...3 ...
Page 7: ...7 2 2 Precaution of Laser Diode ...
Page 29: ...29 5 Location of Controls and Components ...
Page 30: ...30 ...
Page 71: ...71 9 2 6 Grease ...
Page 72: ...72 9 2 7 How to Clean the Lens of Optical Pick UP Follow the 9 2 1 Upper Base Ass y ...
Page 75: ...75 10 1 2 Checking and Repairing of AV IO P C B ...
Page 76: ...76 10 1 3 Checking and Repairing of Digital P C B ...
Page 88: ...Model No DMR BWT720EB Schematic Diagram Note ...
Page 89: ...Model No DMR BWT720EB Parts List Note ...
Page 90: ...Model No DMR BWT720EB Abbreviation ...
Page 91: ...Model No DMR BWT720EB Power P Main P C B ...
Page 92: ...Model No DMR BWT720EB M Net M Main P C B ...
Page 93: ...Model No DMR BWT720EB AV IO AV IO P C B ...
Page 94: ...Model No DMR BWT720EB Front L Front L P C B ...
Page 95: ...Model No DMR BWT720EB Front R FL Front R FL P C B ...
Page 96: ...Model No DMR BWT720EB Rear USB Rear USB P C B ...
Page 97: ...Model No DMR BWT720EB T2 Tuner T2 Tuner P C B ...
Page 98: ...Model No DMR BWT720EB Digital Net DN Digital P C B ...
Page 99: ...Model No DMR BWT720EB Digital Power DP Digital P C B ...
Page 100: ...Model No DMR BWT720EB Peaks Pro 3 PK Digital P C B ...
Page 101: ...Model No DMR BWT720EB Pro3 Exbus EX Digital P C B ...
Page 102: ...Model No DMR BWT720EB Pro3 Peri RE Digital P C B ...
Page 103: ...Model No DMR BWT720EB DDR3 CH0 16 D0 Digital P C B ...
Page 104: ...Model No DMR BWT720EB DDR3 CH1 16 D1 Digital P C B ...
Page 105: ...Model No DMR BWT720EB HDMI 1 H1 Digital P C B ...
Page 106: ...Model No DMR BWT720EB HDMI 2 H2 Digital P C B ...
Page 107: ...Model No DMR BWT720EB Ether USB EU Digital P C B ...
Page 108: ...Model No DMR BWT720EB Video IO VI Digital P C B ...
Page 109: ...Model No DMR BWT720EB DV1394 DV Digital P C B ...
Page 110: ...Model No DMR BWT720EB Audio IO AU Digital P C B ...
Page 111: ...Model No DMR BWT720EB Timer TM Digital P C B ...
Page 112: ...Model No DMR BWT720EB Main P C B Component Side ...
Page 113: ...Model No DMR BWT720EB Main P C B Foil Side ...
Page 114: ...Model No DMR BWT720EB AV IO P C B Component Side ...
Page 115: ...Model No DMR BWT720EB AV IO P C B Foil Side ...
Page 116: ...Model No DMR BWT720EB Front L P C B Component Side ...
Page 117: ...Model No DMR BWT720EB Front L P C B Foil Side ...
Page 118: ...Model No DMR BWT720EB Front R FL P C B Component Side ...
Page 119: ...Model No DMR BWT720EB Front R FL P C B Foil Side ...
Page 120: ...Model No DMR BWT720EB Rear USB P C B Component Side ...
Page 121: ...Model No DMR BWT720EB Rear USB P C B Foil Side ...
Page 122: ...Model No DMR BWT720EB T2 Tuner P C B Component Side ...
Page 123: ...Model No DMR BWT720EB T2 Tuner P C B Foil Side ...
Page 124: ...Model No DMR BWT720EB Digital P C B Component Side ...
Page 125: ...Model No DMR BWT720EB Digital P C B Foil Side ...
Page 151: ...Model No DMR BWT720EB Frame and Casing Section 1 ...
Page 152: ...Model No DMR BWT720EB Frame and Casing Section 2 ...
Page 153: ...Model No DMR BWT720EB Mechanism Section ...
Page 154: ...Model No DMR BWT720EB Packing Parts and Accessories Section ...