Power Supply Block Diagram - Panasonic DMP-BDT220GA Service Manual

11.2. Power Supply Block Diagram

MAIN P.C.B.
VA1001,L1001 D1006, C1014
AC SOCKET
P1001
F1001
A
SURGE
SUPPRESSOR
RECTIFIER
AND SURGE
ABSOBER
N
IC1021
(SWITCHING IC)
IP1021
D1022
VCC 2 1 2
5
5
6
7
8
FB/OLF
4
T1001
POWER TRANSFORMER
1
12
2
11
10
4
9
5
8
D1112
BDT220PU/PX
L1103
D1110
6 7
D1111
L1105
BDT220GA/GC/GN/GW/GT
(BDT220GA/GC/GN/GT/GW)
Q1022
(FEED BACK)
4 1
3 2
IC1103
(ERROR VOLTAGE DET.)
K
A
R
HOT COLD
T1101
DISPLAY POWER
SWITCHING
8
Q1170 TRANSFOMER 9
1
6
D1173
3 5
4
QR1170
Q14301
(REG.PW_X_SW12.2V)
1 6
2 5
3 4
IC14301
(DC-DC CONVERTER)
7 EXT
CS 8
1 VIN
FB 5
50
D1176
F+
PW-15V
F-
PW-18V
VP
PW-21V
D1171
Q1171
FL_DCDC_ON_H P1102 P58001
9
PW_X_SW12.2V
P1102 P58001
12,13,14,15
PW_X_SW5.9V
P1102 P58001
16,17,18
L14302
Only for BDT220PU/PX
DMP-BDT220GA/GC/GN/GW/GT
DMP-BDT220PU/PX
POWER BLOCK DIAGRAM
FROM/TO
DIGITAL
P.C.B.