Toshiba D-VR40SF Service Manual page 53

Power Supply Block Diagram
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.
HOT CIRCUIT. BE CAREFUL.
BOARD POWER SUPPLY
F1001
L1003 D1001 - D1004
AC1001
T1.6A L 250V
LINE BRIDGE
RECTIFIER
FILTER
Q1003
Q1008
T0011
CL051A
1 AL+44V
2 20
3 AL+12V
5 FAN AL+12V 5
19 8 AL+5V
10 AL+16V
4 18
17
Q1001
16
15
14
7 13
CL052A
2 AL-30V
12 4 AL+3V
6 AL+4V
9 F1
8 11 8
IC1001
ERROR
Q1004
VOLTAGE DET
4 1
3 2
HOT COLD
CAUTION !
For continued protection against fire hazard,
replace only with the same type fuse.
BOARD BOARD MAIN
JUNCTION
CL051B CN051A CN1504
1
1 1
3 3 3
5 5
8 8 8
10 10 10
12 12
14 14
16 16
19 19
18 18
IC1505
+3.3V REG.
CL052B
2
4
6
9
F2 8
Q1519
Q1511,Q1514
FAN-CONT1
<TO PIN 11 OF IC501>
1-12-9
NOTE: BOARD MEANS PRINTED CIRCUIT BOARD.
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
Q1516,Q1517
SW+44V P-ON+44V
P-ON+15V
P-ON-H
<TO PIN 75 OF IC501>
AL+12V
Q1542
SW+5V P-ON-DECK+5V
Q1515
SW+9V P-ON+9V
AL+5V
Q1518
SW+5V P-ON+5V
Q1513
SW+5V TIMER+5V
P-DOWN-H
<TO PIN 32 OF IC501>
Q1512
Q1508,Q1509
SW+16V AL+16V/+12V
C-POW-SW
IC1504 <TO PIN 84 OF IC501>
+2.5V REG.
CN1501
24,25 P-ON+2.5V
4-6 EV+10.5V
19-21 AL+3V
Q1510 14-16 P-ON+3.3V
SW+5V 9-11 P-ON+5V
DVD P-ON+3.3V
DVD-P-ON+5V
EV+5V
-FL
SW+12V DVD P-ON+12V
F1
F2
PWR-SW
<TO PIN 41 OF IC501>
REG-CONT
<TO PIN 42 OF IC501>
Q1501 CN1503
1 FAN+12V
2 GND
Q1502
TO DVD
MAIN BOARD
(CN101)
FAN
E9BA1BLP