Question about Sanyo DP50747 50 in. Plasma TV

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I have a Sanyo Plasma TV.. On the left side when facing TV front.. Had a three inch blue line from top corner to bottom corner on same side.. TV won't turn on now.

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  • Sanyo Master
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Posted on Jan 02, 2017

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SOURCE: philips 42" plasma blue line down left side

the lines are most likely the panel which isnt cheap
the blue speckles are just a voltage adj. on the y sistain if you feel confident enough you could try this yourself(though expensive equipment is usually required i do without). what you would have to do is take off the back panel if you have a stand put it back on that. easier to work on. then plug it. BE CAREFUL not to touch anything inside!!! from the back you will see a board on the left side on that board will be a small board attached vertically it will have a gray screw attached(very small). with the tv on you adj. the screw until the blue goes away(a little does alot).

Posted on Jan 20, 2008

  • 1 Answer

SOURCE: HDTV 42 inch Plasma Sanyo model DP 42746

the picture is very dark

Posted on Jan 24, 2008

  • 1 Answer

SOURCE: LG flat panel plasma with red line

I had the same problem and fixed it by replacing the control board. It's a little nerve wracking, but required only simple hand tools. If you'd like to see detailed pictures of the repair check out my blog.

http://greenrenovation.wordpress.com/du-42px12xc-repair/

Posted on Feb 04, 2009

roety
  • 585 Answers

SOURCE: 42 inch samsung plasma tv black vertical lines

Hi, Depeending on the thickness of the lines matters. If the lines are Black and about 1-2 inches thick it may be a bad bottom buffer board or a bad panel (screen).
If the lines are thin 1/16 to 1/8 inch it is most likely a bad panel.
You can open up the set and depending on the model, see the thin board/boards running across the bottom with ribbon cables going to the panel. You may be able to attempt reseating the ribbon cables, but be careful as some retainer plugs break very easy.
If the lines are thick black and the reseating doesn't correct it you may be able to buy the coresponding buffer. Unfortunately some bottom buffers are actually part of the panel. If you are not comfortable taking it apart then call a professional but be aware labor charges start around $200 not counting parts, panels start at $600 up to over $1000
hope this helps
Thanks
Eric

Posted on Aug 19, 2009

  • 1 Answer

SOURCE: Issue with LG Plasma tv model # DU-42PX12X

Another "same probelm"

My set has encountered this magical 50/50 split screen and it seems to be quite a problem since I am not the only one researching this issue. LG was of no use because of course it is just out of warranty. Any solutions on fixing this or am I out of money in buying a new plasma?

Posted on Nov 10, 2009

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1 Answer

There is an approximately 3" line of blue light


IS it like the picture is being cut off? You may need to check the connections to your buffer boards and main logic boards.

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