Question about Mitsubishi WS-55511 55" Rear Projection Television

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Help my ws-55511 can anyone help me with this.

Ok i have replaced the caps on the dm board and tested taht the caps are not bad. Can anyone else help me with this. i have the syomptom of it turning on and then 3-5 secs later shutting off. Please help me with this less then 4 yr old tv.

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Changing caps on DM board is good prevent maintenance,

 but does not represent the solution...DM caps symptom is

 Continuos blinking light.

 

 See    " problem 351"    On 10/20   WS 55908  comments.

  Let me know....T.

Posted on Oct 20, 2007

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Posted on Jan 02, 2017

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Thank you,

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http://www.electron-age-technologies-llc

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http://www.auctioncreations.com/wd62525a.JPG

The DM board is the one with the digital connectors on the back panel. If you already have it appart, you may as well check the caps on all of the boards. The caps that go bad are typically Jamicon brand caps in 1000 uF and 330 uF values. There are also a couple of 3300 uF caps in the PS that cause problems.

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1 Answer

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The DM board is the one with the digital connectors on the back panel. If you already have it appart, you may as well check the caps on all of the boards. The caps that go bad are typically Jamicon brand caps in 1000 uF and 330 uF values. There are also a couple of 3300 uF caps in the PS that cause problems.

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Mitsubishi sets are notorious for leaking caps. These are the black caps labeled "Nichicon" and sometimes "Rubycon". They are easy to spot because the negative leg has what appears to be dark acid leaking down, the board has a circle of discoloring around the cap and sometimes the copper trace on the other side of the PC board is all black and contaminated. If you know what you are doing, you can remove all of these caps, clean up the board and replace with quality caps, and this usually solves the problem.

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