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3. No Raster
output of Q1 or
plugged in pin5
of CN2(power
Is the output of
inverter correct?
Replace a LCD panal.
No Raster
Yes
Check the
pin 15 of U4.
high
Is 12V
board)?
Yes
Yes
low
Trouble in pin 15
of
-com.
Check the output
No
of D811 12V line
(power board).
No
Replace the inverter.
19
TROUBLESHOOTING HINTS
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