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Repair guides and support for your Toshiba TV.

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Why is the screen on my Toshiba 32S3653 so dark?

Hi

My TV was working fine today then I came back and the screen was really dull. Could only just see it.

I've loaded some photos

Thanks for any assistance.

Darren

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Hi,

Unfortunately not.

The picture is faint in the background, sometimes getting brighter but never bright.

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Adding images to an existing question to post some pictures with your question. From what it reads like, this is a backlight issue. Most likely a bad power board but there is also a possibility of a bad main board or bad backlight strips. Let us see what it shows and eventually you will have to remove the back cover and take a look at the boards. Post some images of those as well.

Update (11/13/2018)

Since it is a Toshiba, service manuals are hard to come by. Toshiba is paranoid about their manuals and does not want anybody to fix their stuff. I attached the schematic for the PSU. Measure the 24V and 12V rails and see if those voltages are present.

17IPS62-r2.1

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Thanks, they were in media manager and I assumed available. Thumbs up

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Check in setting brightness, make reset all setting, when still dark, looks like LED invertor defekt...

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I will check that tonight. That doesn’t look too expensive.

Cheers

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