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Service Manual E2460Swd

No picture (LED orange)

White screen

Check connector

Replace Panel

White screen

Measure Q106-base

is low level?

Check Q104=5V

Or CN404 solder?

Check around

device

Check X401 waveform

Check U403/U402

Check flow chart

For the white screen

Replace X401

Check around

device

Updata soft

Replace U402/U403/U401

heck flow chart

for the no signal

No picture

Check signal wire

Check U103 Vout=3.3V;

U104-out=1.8V

Replace signal wire

check X401 waveform

replaceU103,U104,Q104,

&around device

replace X401

Check CN402-HS/VS

waveform

Check U402 out

Check Correspondent

component

Replace U401

Updata soft data

AOC e2460Swd Service Manual

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