Philips DVP3350V - Page 36

3-19 3-20
BLOCK DIAGRAMS 1. POWER(SMPS) BLOCK DIAGRAM
BD101
T101
TRANS
+
BR BL
(BK)(WH)
C103
!
!
!
!
!
FUSE
RESISTOR
(FR101)
NOISE FILTER
BLOCK
(C101,L102,
C102)
PHOTO COUPLER
(IC102)
ERROR
AMP
(IC103)
SNUBBER
BLOCK
(D101,C105 C106,R104)
DRIVE & S/W BLOCK
(IC101, D102, R105,
C104, C108 , C109,
C107,ZD102)
Y-CAP
C111
Y-CAP
C110
FEED-BACK
BLOCK
(R141,R142,
C143,R143.
R144.R145
R146
)
RECTIFIER &
SMOOTING BLOCK
(D124,C124,C134,
R133,L124,C126)
RECTIFIER &
SMOOTING BLOCK
(D123,C127,C137,
L127)
RECTIFIER &
SMOOTING BLOCK
(D121,C126,R136)
RECTIFIER &
SMOOTING BLOCK
(D122,D125,C128,
L128,C138)
MOTOR VCC
14VA
REG12V
8V
3.8V
5.3VA
M5V/5VT
33V
12V REG BLOCK
(Q166,ZD151,C160,
R166,C159)
8V REG BLOCK
(D126,IC141,R167,
C165)
5VT S/W BLOCK
(Q163,C162,D127,
R156,R157)
33V S/W BLOCK
(Q161,R154,R155 Q173,R174,R177)
5V S/W BLOCK
(Q165,C164,R172,
R174)
PWR CTLíHí
5.0V
9V REG BLOCK
(Q164,ZD152,C161,
R168,C166)
REG9V
PWR CTL BLOCK
(Q162,C161,R164,
R163
)
NOTES) Warning NOTES) Parts that are shaded are critical NOTES) With respect to risk of fire or NOTES) electricial shock.