Question about Mitsubishi VS-50605 50" Rear Projection Television

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Horizontal lines jump on screen Mitsubishi Medallion HDTV 1080i

It might be just a coincedence, but...After using the DVD player we have horizontal lines jumping across the screen of our TV. We turned off the DVD and even disconnected it while watching TV but it did not solve the problem. The lines go fast sometimes and slow at other times but dont go away. It reminds me of the older TV's that you could make an adjustment by just turning a knob and slowing down the horizontal roll until the picture stabilized.

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3 Suggested Answers

Slinteriors
  • 8617 Answers

SOURCE: Rolling horizontal lines on 62" Mitsubishi

That problem is caused by failed Capacitors on the signal and FMT power boards. which is a very common problem for mitsubishi TVs. There are repair kits available for the V26 dlp which contain the capacitors and instructions on how to do the repair. Heres a link check under the repair kits category.
http://servicemanuals.vstore.ca/

Posted on Mar 29, 2009

MNfisherman
  • 11896 Answers

SOURCE: Mitsubishi TV had horizontal lines across the screen and rolls up

Answer
ONE: Yes, the speaker mounted close/near to the set can be a cause of mischief; please move it further away and see if that helps clear up the problem. But, you must keep it away for several days before you will know for sure because it takes some time to degauss all the internal parts that may have become corrupted by the magnets in the speaker.

TWO: Yes, any set can be repaired the question is cost and wisdom. Old sets are sometimes not worthy of the repair simply because of the likelyhood that another failure will follow soon after. A big screen always invokes a repair charge of $200 and up. After a few of these you will wish you had put all the money into a new set!

THREE: The lines are most likely a problem in the vertical blanking circuits of the set. These are horizontal retrace lines that are supposed to be blanked out during vertical retrace of the raster. Think of it as a paintbrush that scans across the screen painting thin lines and when you get to the bottom of the screen it goes quickly back to the top, but during that time the horizontal, which is many times faster, has made several sweeps; so it must be blanked out during the retrace. The repair involves finding the guilty parts and replacing them. Usually this repair runs over the $200 somewhat.

FOUR: Prior to calling in a service tech try a hard reset to see if that will recover any of the circuit degradations. Merely unplug the power cord and leave unplugged for 4 hours or more. It may help. Or, it may not help; but worth a try since is won't cost you anything.

If the set is over 5 or 6 years of age it probably is not a condidate for any expensive repair. On the other hand, it is a Toshiba - and they make a fine set.

Hope this helps. Let me know if you have further thoughts.

Posted on May 09, 2009

  • 242 Answers

SOURCE: Rolling horizontal lines. Changing picture shape like fish eye lens view.

the magnifing unit is going

Posted on Dec 23, 2009

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