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Repair guides and support for televisions manufactured by Sony.

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KDL-55w809c white LED slowly goes on and off, no image.

Hello,

I have tried to check the capacitors on Inverter board(blue) they seem to be fine when tested on Fluke Multimeter, have resoldered them.

When I try to turn on TV white LED slowly comes on and then goes off and no image.

Tried factory reset green light comes on and then off.

Tried FW on USB to boot it from usb no joy still white LED comes on and then off…

Maybe I missed something?

Who can help me please :)

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Andrejs Dekunovs post some good pictures of all of your boards with your question. That way we can see what you see. Also, have you taken any kind of voltage measurements on your power board? Anywhere?

Use this guide Bilder zu einer vorhandenen Frage hinzufügen to add pictures to your question.

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Hi,

I don’t know the answer but here’s the service manual for the TV.

Perhaps try the SELF-DIAGNOSTIC SCREEN DISPLAY test shown on p.12 and see if it shows anything.

From p.33 onwards are all the Power troubleshooting flowcharts which may also help.

Hopefully a start.

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thank you … is quite difficult but trying to find few things on board generally haha

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Andrejs Dekunovs wird auf ewig dankbar sein.
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