Question about Sony Grand WEGA KDF-42WE655 42" Rear Projection HDTV

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Blue streak across bottom of screen - Sony Grand WEGA KDF-42WE655 42" Rear Projection HDTV

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Bad optical block. check ebay if you are doing a self repair. There is a rebuild service listed

Posted on Feb 01, 2010

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Posted on Jan 02, 2017

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Blue dots and streaks


Blue streaks might have been just your video connection and problem with signaling. But, blue dots is faulty light engine, aka "optical block". The engine in this could be a defective LCD array. Very expensive, a optical block is about $850. Hope it's still under warranty. You could get a rebuilt one, possibly. Need service adjustment too. Bad problem that Sony has with these kinds of sets.


Oct 05, 2009 | Sony Grand WEGA KDF-60XS955 60" Rear...

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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

I have a panasonic big screen rear projection that i bought second hand and ablue streak appeared across the tv with a bow at the bottom like the blue tinge has bowed


sounds like the convergence ICs. Please post your model number and I will assist you with the issue. Please reply to this same post when replying.

Aug 08, 2008 | Televison & Video

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Blue streak appears across the tv


i have the same thing with mine same brand and all the problems. i was stupied and opened it and under the the circle retrackable scope is another piece u can unscrew but dont. there is liqiud in there and it will spell all over the best thing is to take it in and spent 40.00 to look at it and 160.00 for a new tube yes a tube runs about 70.00 to 160.oo for one tube. good luck

Aug 06, 2008 | Panasonic PT-47WX53 47" Rear Projection...

1 Answer

Philips rear projection tv prob


You need to replace the conversion ICs. Both of them.

Mar 09, 2008 | Televison & Video

1 Answer

Blue streaks across picture


Can you describe in a little more detail what the symptoms are? Are the streaks thin lines or are they large thick swashes of Blue? Is yur video still visible? Sounds like it may be the blue convergence amps or the resistor tied into the amps. is there anyway you can post a picture of your screen distortion?

Jan 26, 2008 | Pioneer SD-533HD5 53" Rear Projection HDTV

1 Answer

Blue Streak


I had the same problem w/ the same TV about 6 months ago. You need a new optical engine. Hopefully you are still under warranty. Once that was replaced, the tv looks great.

Dec 26, 2007 | Hitachi 50V500 50 in. HD-Ready LCD...

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Blue haze around image, yellow streak


the tv color circuit is off frequency change the color ic take a look on the crystal that gives the 4.8.mhz burst could be that it needs to be replace dont rule out the video IF change the two ICs you mention.good luck.from the look of your tv screen that is my conclusion.good luck.email me at nicodhem@yahoo.com

Apr 04, 2007 | Samsung HC-P4241W 42" Rear Projection...

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