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Turn the TV on and a minute after the picture comes on the picture scrunches up to the top of the screen and colors are distorted. It the goes black. I turn the TV off and on and the picture is sometimes restored only to scrunch up again and then go black. This is becoming consistent and you are unable to watch the TV.

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Try to tap your tv slightly at the side if it go back to normal operation you have a weak solder commonly in the main board try to resolder parts that is slightly hung.

Posted on Oct 15, 2010

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What is wrong with my Sanyo TV?


T'Con board fault. Check and replace it. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
Faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD screen are similar, irrespective of its brand and screen size.

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Lines going through it and is very distorted


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1 Answer

After about 30-60 minutes TV starts to hum and picture gets distorted, could this be the color wheel...???


Sounds like a sync problem due to color wheel speed. clean and lubricate color wheel motor with tiny amount of Z-Max lubricant (liquid Buckey balls, available at Wal-Mart), on each bearing. make sure wheel is free-wheeling and turns easily. Should cure problem. If the color wheel is in good shape, there is a power supply problem, which may be due to dried out electrolytic capacitors or a regulator that's failing. Troubleshooting or controller board replacement may be needed. Regards.

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Color distortion in an Akai ( Cheaper model Rear Projection tv) I


Ur convergence is dead.Try Tv repair World.com.
Buy a whole convergence board replaced it.

Jan 01, 2010 | Akai PT4799HD Rear Projection Television

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first check the power supply board for puffy capacitors. then change the t-con board on lcd panel

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1 Answer

Picture & Color Distorted


Convergance IC replace.
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2 Answers

No Picture


Did you have color problems in past? Most of these sets have convergence problems. Amps goes out. But you should have seen some type of distortion from color, red,blue, green. If no color problems then maybe vertical ouput out or horizontal output bad.

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1 Answer

Sony KV-35S42 35" TV


Check first for bad solder on the vertical IC, Im not sure for your set as I do not have the service manual, but it may be location IC301. If after resoldering it does not fix it you may have to replace it and you should replace the electrolytic capacitors in the vertical section. Hope this helps. Don

Jul 31, 2007 | Sony KV-35S42 35" TV

1 Answer

Picture problem


Usually that symptom is caused by cracked solder joints on the vertical output IC. As the IC starts heating up, the picture starts breaking up at the top with several "dancing" dark lines appearing, the top scrunches down and then when the vertical quits altogether, the screen goes completely black. A good slap on the side of the TV might make it happen faster or clear it up temporarily. If you have experience working on PC boards then you can resolder the pins of the vertical output IC but if you have never soldered parts on PC boards then allow a qualified tech to handle it for you.

Nov 20, 2006 | Sony KV-35S42 35" TV

1 Answer

Green screen with almost horizontal zigzag lines


Is good that you hit it and it reacts,very likely you have loose conections in different places but for the distorted picture you need to check the horizontal driver transformer and flyback after that is corrected you need to check the complete chassis for loose conections.Take your time.Good luck.

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