Question about Mitsubishi VS-4544 45" TV

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Have sound but no picture

I have a Mitsubishi VS-4544 45" TV, love it when it's working. About once a month or two, the tv's picture goes out while you're watching it, but has sound. Last two times left tv off for a day and picture came on. I have a bad habit of leaving tv on 24/7, I know that something gets hot in there. Was told to soder video power supply. Not sure if this is the problem? I'm looking for service manual and/or schematics, or better yet "HOW TO" fix this problem. Can someone PLEASSSSSE help me?

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Dont no what to do

Posted on Jan 18, 2011

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Solder alot of connections on power supply board and in deflection/ High voltage section on deflection board.

Posted on Jul 07, 2007

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1 Answer

TV works fine for a while, then the picture disappears.


I would just replace the TV, the parts are not going to be made to repair this. The set is just to old.

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If you occasionally have a picture then you stand a good chance of repairing this tv. There are bad grounds on the deflection board. Start with the board that has the flyback. I do not know the year of your tv. Sometimes the same model may have an option improvement than one couple of months earlier. The first suspected problem would be the vertical IC. In some cases this ic is located on the convergence board and in others the flyback board. It has seven pins and is the TDA version. Located on a large heatsink. Resolder this and any other grounds on both board. Some will tell you the P I P board is bad. This is a free standing board that can be removed and replaced. But please do the earlier option first.

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MITSUBISHI VS-4543


PVAT!!Look for bad connects--start w/easy first. Power supply,then vertical IC pins,then regulators.Take your time,be thorough.

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2 Answers

Picture goes out after a few hours.


coul'be overheat solder the cause of a loose connection , and or convergence ic 's almost ready to fail . the cost to repair will be around 250.00 to fix replacing the ic's depending of the tech. or 350.00 at repair shop if you may have more question , let me know Im here to help you. thanks

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