Philips MX5100VR Service Manual page 36

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Power Supply ( For VCR/DVD ) 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 D1001 - D1004
AC1001
T1.6A L 250V
LINE BRIDGE
RECTIFIER
FILTER
HOT
AMP UNIT
Q1008
CN1008
1 AC IN POWER SUPPLY (For VCR/DVD)CBA
POWER
TRANS. 3 AC IN
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE T1.6A L 250V FUSE.
T001
2 20
19
4 18
17
Q1001
16
15
Q1003 IC1051
+1.5V
14
IC1052
+3.3V
7 13
REG.
12
8 11
IC1001
ERROR
VOLTAGE DET
4 1
3 2
Q1009
(SHUNT
REGULATOR)
REG
RL1001
Q1002
1-11-11
10/31/2012
CL001 CN001A CN001B
1 TUNER POWER 1 1
2 AL+44V 2 2
4 AL+12V 4 4
6 AL+5V(P-DOWN) 6 6
7 AL+5V 7 7
9 AL+20.5V 9 9
11
13
15
19
18
17
20
REG.
CL002 CL002A
1 AL-30V 1
3 AL+1.5V 3
5 AL+3.3V 5
9 F1 9
8 F2 8
7 P-OFF-H 7
10 PWSW 10
JUNCTION-C
CBA
COLD
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CAUTION !
Fixed voltage (or Auto voltage selectable ) power supply circuit is used in this unit.
If Main Fuse (F1001) 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.
Q053,Q054
SW+44V
CN050
1
2
4
6
7
Q055
9
SW+9V
11
13
15
Q056
19
SW+5V
18
Q058
17
SW+5V
20
Q057
Q059
SW+20.5V
Q051,
Q052
Q1058 Q1055
SW+5V
Q1052
SW+3.3V
Q1057
SW+12V
Q1056
Q1053,
Q1054
Q1059
Q060
MAIN CBA
1-11-12
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TUNER POWER
<FROM PIN 62 OF IC501>
P-ON+44V
P-ON+15V
P-ON-H
<FROM PIN 67 OF IC501>
AL+12V
AL+12V
AL+9V
AL+5V
P-ON+5V
TIMER+5V
P-DOWN-L
<TO PIN 86 OF IC501>
EV+3.3V
AL+20.5V/+12V
C-POW-SW
<FROM PIN 66 OF IC501>
TO DVD SYSTEM
PWRCON
CONTROL/SERVO BLOCK
<DVD SECTION>
PWSW
<FROM PIN 19 OF IC2002>
AL-30V CN1051
1 EV+1.5V
2 EV+1.5V
3 EV+1.5V
4 EV+3.3V
5 EV+3.3V
13 DVD-P-ON+5V
14 EV+9V
15 EV+9V
17 DVD-P-ON+3.3V
FIP+5V
EV+5V
DVD P-ON+5V
DVD P-ON+3.3V
DVD P-ON+12V
-FL
F1
F2
P-OFF-H
<TO PIN 73 OF IC501>
FIL-ON/OFF
<FROM PIN 24 OF IC501>
LOAD-CONT
<FROM PIN 11 OF IC501>
E9015BLP