Philips MX5100VR/00 Service Manual page 36

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
Q1003
HOT
AMP UNIT
Q1008
CN1008
1 AC IN
POWER SUPPLY (For VCR/DVD)CBA
POWER
TRANS.
3 AC IN
1-11-11
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
IC1051
+1.5V
14
REG.
IC1052
+3.3V
7 13
REG.
12
8 11
IC1001
ERROR
VOLTAGE DET
4 1
3 2
COLD
Q1009
(SHUNT
REGULATOR)
REG
RL1001
Q1002
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.
CL001 CN001A CN001B CN050
1 TUNER POWER 1
1 1
2 AL+44V 2 2 2
4
4 AL+12V 4 4
6 AL+5V(P-DOWN) 6
6 6
7 AL+5V 7 7 7
9 AL+20.5V 9 9 9
11 11
13 13
15 15
19 19
18 18
17 17
20 20
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
Q1057
Q1056
Q053,Q054 <FROM PIN 62 OF IC501>
SW+44V
<FROM PIN 67 OF IC501>
Q055
SW+9V
Q056
SW+5V
Q058
SW+5V
Q057
Q059 <TO PIN 86 OF IC501>
SW+20.5V
<FROM PIN 66 OF IC501>
Q051,
Q052
<FROM PIN 19 OF IC2002>
Q1058 Q1055
SW+5V
Q1052
SW+3.3V
SW+12V
Q1053,
Q1054
<TO PIN 73 OF IC501>
Q1059
<FROM PIN 24 OF IC501>
Q060
<FROM PIN 11 OF IC501>
MAIN CBA
1-11-12
TUNER POWER
P-ON+44V
P-ON+15V
P-ON-H
AL+12V
AL+12V
AL+9V
AL+5V
P-ON+5V
TIMER+5V
P-DOWN-L
EV+3.3V
AL+20.5V/+12V
C-POW-SW
TO DVD SYSTEM
PWRCON
CONTROL/SERVO BLOCK
<DVD SECTION>
PWSW
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
FIL-ON/OFF
LOAD-CONT
E9015BLP