Question about Mitsubishi WS-55813 55" Rear Projection HDTV

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Mits. 55" Model 55511

T.V. will not stay on. I had it on for 4 hrs, though I did have to push Reset button. Now it will either not turn on, or will onl do so for a few seconds; usually about 5-10 seconds. Could this be th power supply? When we 1st got it, 2nd hand it did not work...but the price was right, $75.00; so I am trying to figure out what could be the problem and find out how much it could cost to repair.

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You probably have a bad convergence output IC causing your set to shutdown. My gues is $250 to $350. to fix. This is not a do it yourself job. Good luck

















Posted on Jun 10, 2008

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Get you a little solder and a cheap soldering iron and try soldering the vertical output ic which is mounted on a heatsink on the circuit board. Be careful when disconnecting plug connectors and I suggest marking them as you disconnect them. Also resolder the convergence i.c.s which are mounted on the largest heatsink on the board. Vert. i.c. has about 9 - 11 pins and convergence have about 25 ea. Start by carefully undoing all wire ties, remove the few screws that hold in the board then slide it back towards you to access bottom(solder side). For the most part, any component that is mounted to a heatsink gets hot and cools down when set is off causing cold solder joints. So any part mounted to a heatsink is suspect. This repairs a high percentage of sets like yours. Good luck, Russmann.

Posted on Jun 10, 2008

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2 Answers

Won't turn on after reset ws-55511 hdtv


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I posted an update at your original question

http://www.fixya.com/support/t1018613-tv_will_not_stay

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