Sanyo DP47840 - Troubleshooting Flow Charts

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NO POWER
No
Ye s
Ye s
Ye s
No
(or the voltage to some lines is not supplied.)
After a few seconds, the set will be switched off.
Check 'Power Failure' Circuit.
No:
All 0V
(except '5V_STBY' line)
Is
the voltage to all lines
supplied?
Is
the voltage
to "5V_STBY" line
supplied?
Is
fuse open?
Check: arround
MAIN IC (IC5500),
Crystal (X5500), Power Unit
Check: Power Unit
Check: Power Unit
Diod Detected Voltage
D1641 9V
Power Failure Line
MAIN IC (IC5500) D9pin
D6700 5V
D1613 5V
D1668 AUDIO_POW
TROUBLESHOOTING FLOW CHARTS