Question about Akai PT5492S 54" Rear Projection Television

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Red Lines on Screen

Any help with what this might be. I uploaded a Photo of TV on my profile screen. Curved red lines across top of screen. And red ghosting at bottom of screen. Appreciate any help. Thanks Dave I have practically the same problem, however I have green lines too. The screen is more distorted and I am wondering on a $900 tv is it worth repairing? What is an estimated cost for repairing this problem?

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About half value of tv,

Posted on Sep 21, 2008

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Got the TV 4 free so lets start at that. Was a very poor picture so checked the guns saw the green/blue was very foggy and changed the CRT Fluid in Green and blue red obviously was fine. Now tv up and...


are the lines slightly curved and go from the botom to top across the screen. If so it sounds like retrace lines from the CRTs being turned up too far. You can add the pic by clicking the camera Icon next to where it says Insert below the text box.

Nov 03, 2011 | Philips 50P8341 50" Rear Projection...

1 Answer

Letters and numbers are 3d and curved picture


Hello

red, green, and blue lines curve across the top of tv is cause by defective convergence STK IC or you have open resistor at convergence section. if you have defective RGB Color vertical ramp probably you have defective STK IC..

Angel
Thanks...

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1 Answer

Red and blue streaks across the screen top and bottom


The Convergence Amp IC's are bad. You should call a good TV Tech for this repair.

Jul 11, 2009 | Mitsubishi WS-65809 65" Rear Projection...

1 Answer

Red and green wavy lines


If the distortion that you see can be described as somewhat of a 3-D picture, the problem is teh convergence circuit and this can be fixed easily. Also, if you can solder, you can fix this yourself. If you wish to do this, please update this and I'll provide you with some instructions.

Dan

Sep 12, 2008 | Akai PT5492S 54" Rear Projection...

1 Answer

Faint red lines in a curved arch like pattern


Is there a cheaper solution? $600 sounds like you just throw it away to me...

Aug 02, 2008 | Sony Grand WEGA KDF-42WE655 42" Rear...

1 Answer

Thin red horizontal lines across screen


replace the focus block or try to adjust the screen control on the focus block for red only. this will affect the white balance of the set so adjust it carefully. the focus block is located on the front inside the set. remove the speaker cover then the 4 screws on the front plate. the focus block is 3" x 2" black box with 6 adjustment posts three for focus and three for screen. adjust only the affected screen (R).

Mar 13, 2008 | Sony Grand WEGA KDP-57XBR2 57" Rear...

1 Answer

Red curved lines across screen


http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
http://www.digitalhome.ca/forum/showpost.php?p=564268&postcount=220

Dec 05, 2007 | Samsung HCM4215W 42" Rear Projection...

1 Answer

3 curved lines top & bottom/blurred picture


This indicates a convergence problem..convergence power supply probally.. however ive seen 2 other cuicits cause this ..

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3 Answers

Red Lines on Screen


Dave, HMMMM Dual pictures This is a problem that every projection TV runs into at least once or twice in its lifetime. Its the old convergence IC falure thingy. These IC's go bad and should be replace all at once. These are not consumer replaceable unless you have had training in the electronics or TV repair fields. Please call out a pro to assist you with this repair as A TV is not the place to experiment in because of the HI voltage and saftey issues. Good Luck

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