Troubleshooting Flow Charts - Sanyo DP42849 Service Manual
Remote control digital
color television
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Also See for DP42849:
- Owner's manual (67 pages) ,
- Service manual (46 pages) ,
- Basic operation manual (2 pages)
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NO POWER
Trouble Shooting Power US1K(42/46)
Check 'Power Failure' Circuit.
TROUBLESHOOTING FLOW CHARTS
Is
fuse open?
No
Is
the voltage
to "5V_STBY" 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 (IC800) 48pin
CPU (IC800) 23pin
Yes
Check: Power Unit
No
Check: Power Unit
All 0V
No:
(except '5V_STBY' line)
Check: arround
CPU (IC800), IC (IC803),
Crystal (X801), Power Unit
Diod
Detected Voltage
D1660
D1632/D1633
D1651
D1674
Diod
Detected Voltage
D1683
– 32 –
9V
D3.3V
5V
AUDIO_POW
LVDS_P OW
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