AOC E941SA, E941VA service manual No Backlight of panel

Service Manual AOCe941series

No Backlight of panel

Check voltage of F801-12V？

NG

OK

Check ON/OFFsignal

NG

Check main board

OK

Check flow chart for the

Inverter No Backlight

Open F801, voltage-12V

NG

Return check Power

OK

After Power off,check

C801/C802？Q824?

Check IC801 -12pin=12V pinRT waveform?

NG

OK

After Power off,check Q805/Q808/R804/C825

Check IC801-6pin RT waveform?

NG

OK

Check IC801-out9/10pin-?

OK

Check Q802 waveform?

OK

Check T801 out voltage?

OK

Check feedback circuit

Check aroud component

Replace IC801

NG

Check around component

NG

Replace device

NG	Check /Replace
	C801-C803

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