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philips 40pfl3705D/F7 no sound no video

No sound or video, but backlite is on

답변되었습니다! 답변 보기 저도 같은 문제를 겪고 있습니다

좋은 질문 입니까?

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댓글 2개

Hi @mjackerman ,

Does this occur on all input types?

Do the menu screens work?

Yes, occurs on all inputs.

Menu screen does not work.

I removed the back cover and checked power supply voltages and all appear to be normal.

Backlite does come on.

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답변 1개

선택된 답변

Hi @mjackerman ,

It’s looking like a mainboard problem.

Here’s a link to the service manual (I think).

It has troubleshooting flowcharts, which may be of some help

해당 답변은 도움이 되었습니까?

점수 3

댓글 2개:

The link does not work, is there another link to try?

Thanks for your help.

Hi @mjackerman ,

I have no trouble with the link using Chrome, Firefox or Edge broswers

Here's the link in full

https://www.manualslib.com/manual/102435...

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