Troubleshooting Flow Charts - Sanyo DP50747 Service Manual
Remote control plasma color television
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Also See for DP50747:
- Owner's manual (52 pages) ,
- Service manual (52 pages) ,
- Service manual (52 pages)
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NO POWER
the voltage to all lines
Check 'Power Failure' Circuit.
Power Failure Line
CPU (IC801) 32pin
TROUBLESHOOTING FLOW CHARTS
Is
fuse (F601)
open?
No
Is
the voltage
to "5V_STBY" line
supplied?
Yes
Is
supplied?
Yes
(or the voltage to some lines is not supplied.)
After a few seconds, the set will be switched off.
Q803-Q804
Yes
Check:
Varistor (VA601),Sub Power
& Filter Unit
No
Check: Power Unit
(PDP Module)
No:
All 0V
(except '5V_STBY' line)
Check: around
CPU (IC801), IC (IC802),
Crystal (X801), Power Unit
Diode
Detected Voltage
D1602/D1604
D1651
D1640
D1631
D1621
— 42 —
D3.3V
12V_AMP
A9V
A5V
TU33V
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