Mitsubishi WS-55513 55 in. Rear Projection HDTV Television
Problem for Mitsubishi WS-55513 55 in. Rear Projection HDTV Television

Mitsubishi ws-55513 HELP!!!




By g l e n on Nov 22, 2008

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picture and sound shuts off in 5-30 seconds. The power stays on. When you turn it off and back on it does the same thing will work for about 5-30 secounds then shuts the picture and sound off and the screen goes black some days it will word for a half hour orr so then shut down. tried the reset and poking around inside for a lose connection also unpluging for 6 hours nothings working. It also makes a humming nose when the picture goes out?

Clarification Request

Posted by Dnor350 on Oct 23, 2009

Ron, what and which power transformer?

Same Problem

Nov 29, 2008

-   Anyone know how I could change it out myself? -   Guest

Solution #1

posted on Nov 24, 2008
Somewhat Helpful)

Ronnieh49

Rank: Wiz 
Rating: 82%, 1574 votes
it sounds like your power transformer may be bad. something you will have to have a shop repair
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Solution #2

posted on Nov 25, 2009
Not Rated)

Dnor350

Rank: Master 
Rating: 0%, 0 votes
Same thing happened to me.On the signal board there is 4 surface mount transistors. There is oneright by the input board (BA09), i would check the corresponding capsand diodes close to it also. I would replace all of the 4 transistors.If this SMT starts to go you will see wavy lines in your picture thanit will go away in 3 min or so and get worse over time until no pictureis seen. When it totally fails you will have no inputs what soever butyou will have an OSD screen and when you choose DTV you will get ascrolling picture.
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