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Repair guides and support for your Sanyo TV.

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Why did half my screen go dark?

why did half of my sanyo tv screen go dark? right half of screen went dark like a shadow over it. I can still see picture and everything else works.

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Hi.

What is the model number of your TV?

Which half are you talking about, top, bottom, left , right?

Try posting some images so that we can see what you can see.

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Top and sides of screen. Make of TV is philips

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The left side of my screen was dark this morning, now the right side is dark and the left is ok.

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Rod Skelly a complete loss of drive data for all RGB information to the right side of the screen. This is sometimes caused by the flat cable connecting the T-con board to the LCD panel coming loose as well as a bad T-con board. For anything more about that it will help if you do as @jayeff suggest. We'll need your exact model number and it will help if we can see what you see. Use the link provided by @jayeff

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my left side screen is dark the model number is DP39D14

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my tv is the same model. How was the problem resolved?

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If this is an older LCD type TV, then it is possible that the backlight on that half has failed. Some of the older TV supplied light from each side. Please post the exact model number of the TV so we can confirm that this is the case or suggest other possibilities. Given the way most T-con boards work, I would not expect this type of symptom from a T-con failure.

Dan

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I have a Sanyo Dp55D44 and my right side of my screen is dim. I checked the ribbons and swapped them around and still same thing. Possible T-Con issue?????

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Hi. The leds are controlled by a separate driver board on this Sanyo model. The board controls the voltage to the leds and is supplied by the power board. Very often its not the backlights themselves but the driver board on this model. Replace with same part and should be good to go. Of course the right way to check is with a led power supply or tester. Check each channel on the leds. There two sets on the left side of driver board bottom and one set on the right side. The first 2 sets should run about 70 volts each while the one on the right should run about 140 volts.

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Rod Skelly さん、ありがとうございました!
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