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Power Supply Block Diagram - Philips DVD740VR/051 Service Manual

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Power Supply Block Diagram

NOTE :
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
HOT CIRCUIT. BE CAREFUL.
F1001
L1003
D001 - D004
AC1001
T1.6AL/250V
LINE
BRIDGE
RECTIFIER
FILTER
Q1003
Q1008
HOT
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE T1.6AL/250V FUSE.
MAIN CBA
T001
2
20
19
4
18
17
Q1001
16
15
14
7
13
IC1041
+3.3V
REG.
12
8
11
IC1001
ERROR
VOLTAGE DET
4
1
3
2
IC1002
REG
(SHUNT REGULATOR)
1-10-9
CAUTION !
Fixed voltage (or Auto voltage selectable ) power supply circuit is used in this unit.
If Main Fuse (F001) 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.
CN002
CN051
CL051
1
1
1 AL+44V
2
2
2 AL+12V
6 P-DOWN
6
6
4 AL+5V(VCR) 4
4
JUNCTION
-B CBA
CN001
CN050
CL050A
1 AL+5V(DVD)
1
1
3 AL-30V
3
3
6
6
6
AL+15.5V(VCR)
7
7
7
AL+15.5V(DVD)
9 AL+9V
9
CL050B
11 AL+3.3V
11
9
13 F2
13
11
14
F1
14
13
14
JUNCTION
-A CBA
POWER SUPPLY CBA
Q053,
Q054
SW+44V
P-ON+44V
P-ON(H)
<TO PIN 67 OF IC6001>
AL+12V
AL+12V
Q055
SW+9V
AL+9V
AL+5V
TIMER+5V
Q056
SW+5V
P-ON+5V
Q057
P-DOWN-L
<TO PIN 86 OF IC6001>
Q051,
AL-30V
Q052
SW+15.5V
AL+15V/+12V
C-POW-SW
<TO PIN 66 OF IC6001>
IC1052
CN1001
+1.8V
REG.
Q1054
IC1053
SHUNT
REG.
Q1055
Q1057
Q1053
DVD P-ON+3.3V
Q1051,
DVD P-ON+5V
Q1052
SW+12V
DVD P-ON+12V
EV+5V
-FL
F2
F1
1-10-10
1 P-ON+1.8V
2 P-ON+1.8V
3 EV+2.5V
4 EV+2.5V
16 EV+3.3V
17 P-ON+3.3V
18 P-ON+3.3V
19 P-ON+3.3V
14 EV+9V
15 EV+9V
5 P-ON+5V
6 P-ON+5V
20 PWRCON
H9330BLP

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