Block Diagrams; Power(Smps) Block Diagram - Philips DVDR3320V/01 Service Manual

BLOCK DIAGRAMS

1. POWER(SMPS) BLOCK DIAGRAM

BD101
!
NOISE FILTER
BLOCK
(C101,L102,
L101, C102)
!
FUSE
(F101)
BR BL
(BK)(WH)
!
T101
TH01
+
SNUBBER
BLOCK
C103
(D101,C105
C106,R103)
5 6 7 8
DRIVE & S/W BLOCK
(IC101, D102, R105,
C108,C112)
3
SNUBBER
BLOCK
(D103,C115,C116
,R112,R115)
6 7 8
5 DRIVE & S/W BLOCK
!
(IC104, D104, R113,
C117,C114)
Y-CAP
C110
1
3
Y-CAP
!
C111
RECTIFIER &
SMOOTING BLOCK
(D128,C133,R130)
RECTIFIER &
SMOOTING BLOCK
(D127,C131,L125,C132)
RECTIFIER &
SMOOTING BLOCK
HSR S/W Block
(D126,C136,L122,C130)
(Q120,ZD153,C135,
RECTIFIER &
R144,R145,D155,C157)
SMOOTING BLOCK
(D129,C128,R147)
12V REG & S/W Block
(Q126,R150,ZD152,
RECTIFIER &
C156,C153)
SMOOTING BLOCK
(D130,C137,R146)
2
33V S/W Block
RECTIFIER &
(Q123,R143,R134)
SMOOTING BLOCK
(D121,C122,L121,C124)
!
(Q124,R140,R135,R136
FEED-BACK
PHOTO COUPLER
BLOCK
(IC102)
R121,R122,
C121,R123.
ERROR AMP
R124.R125
(IC103)
T102
! R126)
RECTIFIER &
SMOOTING BLOCK
(D125,C139,L127,C140)
RECTIFIER &
SMOOTING BLOCK
(D124,C129)
RECTIFIER &
2
SMOOTING BLOCK
(D123,C126,L124,C127)
RECTIFIER &
SMOOTING BLOCK
(D122,C123,L123,C125)
3.3V REG & S/W Block
!
FEED-BACK
PHOTO COUPLER
BLOCK
(IC105)
R131,R132,
C141,R133.
ERROR AMP
R161.R162
(IC106)
R163)
3-21 3-22
TO VCR
(P101)
5.3VA
5.0V
Cap Vcc
REG 12V
33V
12VA( DRUM)
PWR CTL 'H'
HSR 'H'
DVD PWR CTL
FD(-)
5.0V S/W Block FD( +)
-28VA
D134,C134)
HSR CTL Block
TO FAN
(Q121,Q122,R141)
(P103)
PWR CTL Block
8.7V
(Q125,R137,R138)
TO VDR
(P102)
12V REG & S/W Block
-12V
(IC157,R156,C155)
12V
1.8V
5.0V REG & S/W Block
(IC151,R151,C151) 2.5V
3.3V
5.0V
1.8V REG & S/W Block
(IC160,R159,C152)
TO LOADER
(P103)
(IC154,R154,C154)
12V
5.0V
VCR+DVD REC SCART+RCA