SOLVED: philips 40pfl3705D/F7 no sound no video - Philips Television

philips 40pfl3705D/F7 no sound no video

No sound or video, but backlite is on

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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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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

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

Thanks for your help.

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

Here's the link in full

Philips Television