Philips DVP3355V/F7, Service Manual, Page: 38 / 78

1-12-5
Power Supply Block Diagram
7 8
1 2
3 4
IC1001 ERROR VOLTAGE DET
T1001
Q055
Q052
Q056
MAIN CBA
HOT CIRCUIT. BE CAREFUL.
20 19 18 17 16 15 14 13 12 11
Q1006
Q1005
Q1101
Q1011
1
EV+1.2V
2
EV+1.2V
3
EV+3.3V
4
EV+3.3V
5
EV+3.3V
7
D
VD-P-ON+5V
8
EV+11V
9
EV+11V
6
D
VD-P-ON+3.3V
17
PWRCON
IC1004
+3.3V REG.
IC1002
+1.2V REG.
CN1001
Q1004
P-ON+5V DVD-P-ON+12V AL+18V EV+3.3V P-ON+9V AL-30V AL+12V TIMER+5V AL+5V DVD-P-ON+5V DVD-P-ON+3.3V
TO DVD MAIN CBA UNIT CN401
TO SERVO/SYSTEM CONTROL BLOCK DIAGRAM
P-ON-L
P-DOWN-H
Q063
Q064
P-ON-CONT
HO
T
COLD
2 4
IC1003 (SWITCHING CONTROL
)
Q1002
VDD
AC1001
F1002
1.6A 250V
LINE FILTER
L1001
A V
F
D1001 - D1004
BRIDGE RECTIFIER
SWITCHING CONTROL
5
2
6
1 3
AC CORD
SW+9V
SW+12V
SW+5V
SW+5V
SW+3.3V
SW+5V
CAUTION ! Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. If Main Fuse (F1002) is blown , check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply. Otherwise it may cause some components in the power supply circuit to fail.
NOTE: The voltage for parts in hot circuit is measured using hot GND as a common terminal.
"Ce symbole reprèsente un fusible à fusion rapide."
CAUTION ! For continued protection against fire hazard, replace only with the same type fuse. ATTENTION : Pour une protection continue les risqes d'Incele n'utiliser que des fusible de m
ê
me type.
Risk of fire
-replace fuse as marked.
"This symbol means fast operating fuse."
A V
F
E8E6EBLP