Question about Mitsubishi WS-55857 55" Rear Projection Television

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Power but no picture or sound

Have had this tv for about 6 years now with no problems. Had work done on my house and didn't have tv on for about 6 months. Lots of dust from contractor so I covered tv with plastic to prevent dust getting in. Once turned tv back on, worked fine for about 2 wks. Then, all of a sudden, it turned on and immediately turned off. Was advised by a service tech to unplug it off for about 24 hours and then try it again. After 24 hrs, it turned back on (and it will turn off), but no picture or sound. I assume there are some capacitor or other issues and that I will need to have it serviced. My questions are: 1) what is are the likely parts that will need to be replaced and 2)could dust could have initiated this problem? Any suggestions would be appreciated.

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The problem is the circut board that leads into the tv from the power cord i had problem with that ,had tech come out and replaced the circut board the cost $350 , $200 for the labor i payed $54 for that tv and it was a steal cuz it was under the warranty

Posted on Mar 26, 2008

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I recently just experianced the exact same thing. I had a service tech come out and he told me that one of the tubes leaked. It destroyed one of the boards and he said that you can not get the tubes anymore. So I guess I just throw this awesome tv away.

Posted on Oct 13, 2006

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Is hard to tell if the set is going to need parts or not,maybe not,since you protected the set from dust is not likely the cause of the problem,after a while the units develop loose conections because of the heat dissipation some components have and the solder conections become loose.Be safe and seek assistance if you are not too familiar with tv service.

Posted on Sep 27, 2006

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