AOC E941SERIES User Manual download pdf (Page 43)

Service Manual AOCe941series

43

No Backlight of panel

Check flow chart for the

Inverter No Backlight

After Power off,check

C801/C802？Q824?

Check ON/OFFsignal

Check volta

g

e of F801-12V？

Open F801, voltage-12V

Return check Power

Check main board

After Power off,check

Q805/Q808/R804/C825

Check IC801-6pin RT waveform?

Check aroud component

Re

p

lace IC801

Check IC801-out9/10pin-?

Check Q802 waveform?

Check T801 out voltage?

Check feedback circuit

Check /Replace

C801-C803

Check around component

Replace device

OK

NG

OK

OK

OK

OK

OK

OK

OK

NG

NG

NG

NG

NG

NG

NG

Check IC801 -12pin=12V

pinRT waveform?

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 80 81

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