Troubleshooting Flow Charts - Sanyo DP42746 Service Manual
Remote control plasma color television
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Also See for DP42746:
- Quick and easy setup (2 pages) ,
- Connection manual (3 pages) ,
- Owner's manual (59 pages)
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NO POWER
Check 'Power Failure' Circuit.
TROUBLESHOOTING FLOW CHARTS
Is
fuse (F601)
open?
No
Is
the voltage
to "5V_ST" line
supplied?
Yes
Is
the voltage to all lines
supplied?
Yes
(or the voltage to some lines is not supplied.)
After a few seconds, the set will be switched off.
Power Failure Line
CPU (IC801) 32pin
Q803-Q804
Yes
Check:
Varistor (VA611),Power Unit
No
Check: Power Unit
No:
All 0V
(except '5V_ST' line)
Check: around
CPU (IC801), IC (IC802,IC1803),
Crystal (X801), Transistor (Q801),
Power Unit
Diode
Detected Voltage
D1605
D1606/D1607
D1603
D1602
D1601
D1604
— 29 —
D5V
D3.3V
12V_AMP
A9V
A5V
TU33V
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Troubleshooting
