Panasonic DMR-BWT720EB - Power Supply Block Diagram

80
11.2. Power Supply Block Diagram
3
4
1
2
FB
SVIN
EXT UP
D
2
6
5
1G3
Q14301
(REG.X SW +5.9V)
49
8
11
MODE2
IC14301
(DC-DC CONVERTER)
4
IC12201
(ERROR VOLTAGE DET.)
32
DMR-BWT720EB
Power Supply Block Diagram
L
QR10101
(S P SAVE :OFF)
Q10101
(POWER CONT.)
D13201
(FEED BACK)
Q10102
1
23
4
(FEED BACK)
Q12201
1
23
4
D11304
D10101
D10102
(SWITCHING IC)
F/B
Z/C GND VCC
VIN
+
-
~
~
IC11301
7
9
314
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
98
6
53
1
IP7501
12
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
P58813P6703
111
P3002P58809
54
IC59501-
DIGITAL P.C.B.
AV IO P.C.B.
TO
IC3001
2,3,57,9,10
P3002P58809
CNT
16
P58813P6703
20,21,22,23
P58813P6703
9,10
P58813P6703
1
2
IP58801
2
IP58802
2
P7201P58802
TO
FRONT (R) FL
P.C.B.
+5V
12
P58813P6703
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
P7201P58802
6
P7201P58802
QR4001
(P.SUPPLY CONT.)
FROM
TIMER
BLOCK
SECTION
FROM
TIMER
BLOCK
SECTION
H
AU ON
1