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Toshiba tp48d50 has vertical red wavy lines on

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These Toshiba TVs are well known for convergence problems. When you put the convergence test pattern on the screen, does it appear normal? If there are curves in the crosshair lines and colors flairing from them, you have just such a failure. The convergence output ICs will have to be replaced. You'll spend $300-$450 to have this fixed.

michtech


Posted on Feb 19, 2009

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About two months ago when we first turned on the TV there were wavy lines across the whole picture. When it warmed up they would go away. Now, the lines are there almost all the time and it's getting...


hi
You are experiencing a lack of vertical deflection or vertical collapse. Since it will come back the first thing I would suspect is “ring cracks” in the solder joint in the vertical circuit, mainly the vertical IC. These suspect solder joint can be re-soldered and the television set repaired.
I would suggest that you contact a local servicer. If you are repairing the set yourself, be careful, there is always a risk of shock when dealing with electronics.
OR
Check your equipment connections. Disconnect your equipment (VCR, DVD or set-top box) from the TV and reconnect, making sure each connection is in tight.
OR

chek this site,i blieve u will b helpfull
http://www.dshosu.com/how-to-fix-toshiba-rear-projection-hdtv-wavy-lines/

regards

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The following are supposed to be checked on the horizontal and vertical,
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1 Answer

Red vertical convergant line


You need to replace the two Convergence IC's and associated resistors. All the information you need is contained in this link

http://www.digitalhome.ca/forum/showthread.php?t=21847

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1 Answer

Red vertical convergant line


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http://servicemanuals.vstore.ca/

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Wavy lines


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