Power Supply Block Diagram - Panasonic DMP-BDT300GA Service Manual

11.2. Power Supply Block Diagram

POWER P.C.B.
VA1001,
D1006, C1014
L1001, L1002
AC SOCKET
P1001
F1001
A
SURGE
SUPPRESSOR
RECTIFIER
AND SURGE
ABSOBER
N
IC1021
(SWITCHING IC)
VIN 7
2 F/B 9
5
Z/C GND VCC
1 3 4
D1027
D1026 D1029
D1031
Q10101
(POWER CONT.)
D1032
T1001
POWER TRANSFORMER
1 12
2 11
3
10
9 D1110
1 2 3
6 8
5 7
Q1022
(FEED BACK)
4 1
3 2
4
3 2
IC1102
(ERROR VOLTAGE DET.)
Q1023
(FEED BACK)
4 1
3 2
QR1101
HOT COLD
D1176
T1101
DISPLAY POWER
SWITCHING
Q1170 TRANSFOMER 9 8
1
6
D1173
3 5
4
QR1170
Q1131
(REG.PW_X_SW5.9V)
5
S D
4 FET 6
IC1130
G
(DC-DC CONVERTER) 1
EXT-Up 3
15
2
16 VIN
1 EN LX 13
FB 6
12 V5
RS+ 7
9 OSC
RS- 8
QR1131
FROM
JC_P_ON_H
P54001 P4001
DIGITAL
18
P.C.B.
PW_X_SW12.2V
P1102 P58001 P54001 P4001
19,20,21,22 22,23
AV_OUT P.C.B.
42
F+ P1103 P7001
10
F- P1103 P7001
TO FL P.C.B.
12
VP P1103 P7001
9
D1171
Q1171
FL_DCDC_ON_H P1102 P58001
11
PW_X_SW12.2V P1102 P58001
19,20,21,22
PW_X_SW5.9V
P1102 P58001
12,13,14
FROM/TO
DIGITAL
P.C.B.
SP_SAVE_L P1102 P58001
23
QR4001,
QR4002
CONTROL
Q4001
REG. PW_ADUIO+9V P4001 P54001 TO DIGITAL
ADUIO+9V 20,21 P.C.B.
DMP-BDT300GA/GC/GN/PU
POWER BLOCK DIAGRAM