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Service Manual
No Backlight of panel
Check voltage of F801-12V？
OK
Check ON/OFFsignal
OK
Check IC801 -12pin=12V
pinRT waveform?
OK
Check IC801-6pin RT waveform?
OK
Check IC801-out9/10pin-?
OK
Check Q802
OK
Check T801 out voltage?
OK
Check feedback circuit
NG
NG
Check main board
NG
NG
?
waveform
NG
Check flow chart for the
Inverter No Backlight
Open F801, voltage-12V
OK
After Power off,check
C801/C802？Q824?
After Power off,check
Q805/Q808/R804/C825
Check aroud component
Replace IC801
NG
Check around component
NG
Replace device
Check /Replace
C801-C803
41
NG
Return check Power
AOCi2252VW
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