Question about Hitachi 51F500 51" Rear Projection HDTV-Ready Television

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From about 4 inches down from the top of the tv and from the center to the left corner is red and green and the corners on the bottom of the tv are also arched but not as bad

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This is a vartical non linarity folt .
chech vartical stage capaciter 470umf/63v 4.7um/50v 1000/50v
0.47um/63v Replace and first svr.menu to set vartical linyarity adj.
set V- hight is sum down sum 1" or 2 " after the set vartical linyarity V-line. set up to down and check the pictur. if not then Replce capaciter.

Posted on Oct 04, 2009

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Posted on Jan 02, 2017

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Slinteriors
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SOURCE: projection RCA P52940

sounds like it is most likely the convergence power supply board, if it were just one color It would most likely be the convergence board itself

Posted on May 27, 2008

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My Toshiba TV was on like normal, then suddenly the green color seperated from the red and blue.. On the bottom left corner you can see the green is 4 inches up while the others stay at the bottom. So if...


Ur tv have a problems known as a convergence pictures problems,it is dead.Ur tv have any colors lines like R,B,G mis alignments,tv have any colors shadows pictures or have a 3D pictures look alike?Yes,than ur tv have a dead convergence board to causes the tv to have all of these pictures problems.The tv convergence board must have be repair like replacing 2 STK convergence ICS and some or all of it resistors too.To fixed the tv convergence board to solved the tv convergence pictures problems.The tvs shops will cost u like $300-350 for parts and labors.

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Jvc 52 inch tv. the picture on the upper left corner drops and is discolored


Hi if your tv is a Dlp or Lcd it will be a problem with the light engine.Basically there's 3 chips green,blue,red that create the image and colors.When they start to go bad or melt you will get color discoloration on corners on the center.You will need to replace the optical block ,you can find it on www.discount-merchant.com www.shopjimmy.com or ebay .Have a blessed day!

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Green corners of sony crt tv


thats kind of degaussing coil not function, try to replace that one and lest see what the re action of your tv. 

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Top left corner double picture red and green


you have a failed IC resistor usually you can physically see the bad one because it burns out leaving you to guess what the value was. Hitachi offers a convergence fix kit which has 2 IC's and all approiate resistors.

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Two green lines on bottom left corner


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Part disclored picture


as it has fallen on the floor

due to that its deflection coil position might  have  changed a little.

due to that its left corner has gone down.

 

deflection coil has convergence magnet on it so due to that there is change in color also.

 

please call tech to re position of deflection coil every thing will be fine as it was.

as per buying another it is up to you.

hope this will help.

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2 Answers

Convergence problem, lower left corner fixed green gun convergence bows upward


You have a componet out of tolerance in the green drive circuits, resistor or capacitor. If you have the service manual you should be able to take some raedings off the test points for the circuit and be able to track it down. I am enclosing a link where you can purchase the service manual for that set for 10.99. They will mail it to you unless you go back to the site and request that they email it to you by clicking on the contact us link. They also offer unlimited free support if you purchase your manual. I am one of their support techs. Hope this helps. Heres the link
http://servicemanuals.vstore.ca/

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