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Power Supply Block Diagram
NOTE : CAUTION CAUTION !
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, Fixed voltage (or Auto voltage selectable ) power supply circuit is used in this unit.
The voltage for parts in hot circuit is measured using
If Main Fuse (F1001) is blown, check to see that all components in the power supply
hot GND as a common terminal. REPLACE ONLY WITH THE SAME TYPE T1.6AL/250V FUSE.
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.
Q053,Q054
SW+44V P-ON+44V
T001 P-ON+15V
F1001 L1003 D1001 - D1004
AC1001
T1.6AL/250V CL001 CL001 CN003 CN050 P-ON-H
LINE BRIDGE 2 20 1 AL+44V 1 1 1
FILTER RECTIFIER 3 AL+12V 3 3 3 AL+12V
5 AL+5V 5 5 5
19 6 AL+5V 6 6 6 AL+12V
Q055
8 AL+20.5V 8 8 8
SW+9V AL+9V
10 10
4 18 12 12
14 14 AL+5V
Q056
18 18
SW+5V P-ON+5V
17 17 17
Q058
16 16
Q1001 SW+5V TIMER+5V
16
Q057 Q059
15
Q1003 IC1051
P-DOWN-L
14 +1.5V Q051,Q052
REG.
SW+20.5V AL+20.5V/+12V
C-POW-SW
7 13 +3.3V
REG.
CL002 CL002
IC1052
1 AL-30V 1 AL-30V
12 3 AL+1.5V 3 CN1051
5 AL+3.3V 5 1 EV+1.5V
9 F1 9 2 EV+1.5V
8 11 8 F2 8 3 EV+1.5V
7 P-OFF-H 7 4 EV+3.3V
Q1055 5 EV+3.3V
SW+5V 13 P-ON+5V
IC1001 JUNCTION
ERROR 14 EV+9V
CBA
VOLTAGE DET Q1052 15 EV+9V
SW+3.3V 17 P-ON+3.3V
4 1 19 PWRCON
Q1008
EV+5V
3 2 DVD P-ON+5V
DVD P-ON+3.3V
HOT SW+12V
Q1053,
Q1054
DVD P-ON+12V
-FL
F1
F2
Q1009
(VOLTAGE DETECTION) P-OFF-H
POWER SUPPLY CBA
COLD MAIN CBA
1-9-9 1-9-10 H9504BLP