Block Diagrams; Power(Smps) Block Diagram - Philips DVP721VR Service Manual

BLOCK DIAGRAMS

1. POWER(SMPS) BLOCK DIAGRAM

NOISE FILTER
BLOCK
(C101,L102,
FUSE
(F101)
!
BR BL
(BK)(WH)
R101
BD101
+
SNUBBER
C103 BLOCK
(D101,C105
C106,R104)
6 7 8
DRIVE & S/W BLOCK
(IC101, D102, R105,
C104, C109 , C135)
5
C102)
1
!
!
Y-CAP
C110
!
Y-CAP
C111
T101
!
TRANS
< HSR OPTION>
RECTIFIER &
SMOOTING BLOCK
(D106,C117,R130)
RECTIFIER &
SMOOTING BLOCK
2 (D110,C123,C163,
R133,L122,C126)
3 RECTIFIER &
SMOOTING BLOCK
(D118,D112,C129,
C131,L124,L125)
RECTIFIER &
SMOOTING BLOCK
(D111,C127,L123,
C128)
RECTIFIER &
SMOOTING BLOCK
(D113,C132,R119)
FEED-BACK
PHOTO COUPLER
BLOCK
(IC102)
R112,R113,
C133,R114.
!
R115.R116
R117)
ERROR
AMP
(IC103)
3-20 3-21
< HSR OPTION>
CAP VCC
24V S/W BLOCK
13VA/24V
(Q153,R151,R152,
°‹ HSR'H'
D122,Q154,R110,
D116,R181,R182) D117
DRUM VCC
13VA
D115
12V REG BLOCK
12VT
(Q156,ZD103,C151,
R150,R153,C152)
5.3VA
5V S/W BLOCK
5.0V
(Q150,C155,D121,
R157,R158,R159,R160
PWR CTL'H'
Q162,R164,R172,C161)
3.3V
3.3V REG BLOCK
(IC152,C153,R156)
2.5V
D111
33VT S/W BLOCK
33VT
(Q161,R154,R155
Q173,R174,R177)
5VT S/W BLOCK
5.0VT
(Q163,C162,R173,
TIMER'H'
R176,R175,Q164)
8V REG BLOCK 8V
(D114,IC151,R170,
C154)
Combi PHILIPS
VPC8007P1K's