Troubleshooting Flow Charts - Sanyo DP19649 Service Manual
Remote control digital color television
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Also See for DP19649:
- Owner's manual (60 pages) ,
- Service manual (53 pages) ,
- Setup manual (2 pages)
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NO POWER
fuse open?
the voltage
to "5V_STBY" line
supplied?
the voltage to all lines
supplied?
Check 'Power Failure' Circuit.
Power Failure Line
CPU (IC800) 48pin
CPU (IC800) 23pin
TROUBLESHOOTING FLOW CHARTS
Is
Yes
No
Is
Yes
Is
Yes
(or the voltage to some lines is not supplied.)
After a few seconds, the set will be switched off.
Diod
D1670
D1620/D1621
D1641
D1684
Diod
D1682
Check: Power Unit
No
Check: Power Unit
All 0V
No:
(except '5V_STBY' line)
Check: arround
CPU (IC800), IC (IC803),
Crystal (X801), Power Unit
– 32 –
Detected Voltage
9V
D3.3V
5V
AUDIO_POW
Detected Voltage
LVDS_P OW
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