S3. Block Diagram; S3.1. Power Supply Block Diagram - Panasonic DMP-BD45EB Service Manual

S3. Block Diagram

S3.1. Power Supply Block Diagram

P1001
D1006,C1014
VA1001,L1001
(AC SOCKET)
T1001
(POWER TRANSFORMER)
F1001
A
SURGE
SUPPRESSOR
RECTIFIER
AND
SURGE
1
N
ABSORBER
2
3
IC1021
(SWITCHING IC)
7
VIN
5
9
D1027
3 GND
5
6
VCC 4
F/B Z/C
2 1
Q1022
D1026
(FEED BACK)
4
3
D1031
Q1023
(FEED BACK)
Q10101
D1032
4
3
HOT
IC1130
(DC-DC CONVERTER)
16 VIN
12
11
D1110
V5
12
10
1 2 3 1 EN
9
8
7
1
2
IC1102
(SHUNT REGULATOR)
REF
1 NC 4
A C
2 3
1
2
QR1101
COLD
Q1131
(REGULATOR +5.9V)
D
1
S
4
D
P ch
2
MOS
D
5
FET
G
EXT-Up 3
15 D
6
VB 14
LX 13
RS+ 7
RS-
8
FB 6
OSC 9 QR1131
T1101
(FL POWER
TRANSFORMER)
Q1170
1
QR1170
2
3
Q1171
8
D1176
9
D1173
5
S-3
PW X SW5.9V
P1102 P58001
12-14
SP SAVE L
P1102 P58001
23
To DIGITAL P.C.B.
PW X SW12.2V
P1102 P58001
19-22
FL DCDC ON H
P1102 P58001
10
F-
P1103 P7001
1
F+
P1103 P7001 To FL P.C.B.
3
VP
P1103 P7001
4
DMP-BD45/BD65 POWER SUPPLY CIRCUIT BLOCK DIAGRAM