Question about Mitsubishi WS-55513 55" Rear Projection HDTV

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Mitsubishi 55" tv problem

About every 30 minutes screen turne blue and audio & video are lost. turn tv off and then on i get everything back again for about another 30 minutes.
at one time i had the blinking green light and i replaced the capacitors with
4 - 25vdc caps from Radio Shack. these were in the dm. Could this fix be the flux of my problem?

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Re: mitsubishi 55" tv problem

When it shuts down, try pushing the input and menu buttons together on the tv and hold them for 5 seconds , and see if it blinks a 2 digit code . If it does let me know the sequence of the blinks. If not then its not going into protective shutdown, so its probaly one of the low voltage regulators. Let me know what you discover with the input and menu buttons.

Posted on Jan 11, 2008

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My Mitsubishi 55" will black out after so many minutes

the problem is in the optical block..the driver heats up and shuts to protect itself from total damage..that's why it turns fine after a reset and shuts afterward..this problem will continue until the drive complete gives up..cooling system might not working properly or the drive has an internal short circuit and need to be replaced..a professional service is suggested..

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Have you fixed this problem yet?. I seem to have the same issue.

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S.O.S anyone out there

Projection TV sets have several common problems listed below.

Problem #1) Convergence


  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - makes a chirping sound.
Example Photo:
Problem #2 CRT Fluid has clouded over.


  • Dull Video, Washed out
  • White/Bright looking video
  • Halos around objects
  • Red/Orange looking
Example Photo:

You can see more examples and find a fix here...


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You will need to look in the small signal board section of your service manual.

Aug 10, 2008 | Mitsubishi WS-55857 55" Rear Projection...

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Tv shuts off sporadically, and now won't recieve any video signal

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May 07, 2008 | Mitsubishi WS-55513 55" Rear Projection...

1 Answer

Black horizontal lines appear after tv is on for 30 minutes


I had the same problem with our VS-55705 Mitsubishi. It seemed to me that this was a problem of heat.

I unplugged the TV and then took the cover off of the back of the it. I then used canned air to blow off the collection of dust from the components. Then I vacuumed as close to everything as I could without touching any of the components. I then used glass cleaner to clean up the surface of the three bulbs.

I plugged in the TV and it has worked perfect ever since. I haven't put the rear cover back on it yet. That could have been all that I needed to do to fix it. I'm too busy enjoying a nice picture to try putting it back on. Cleaning the bulbs really helped the quality of the picture.

Good Luck!

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