Question about Sony FD Trinitron WEGA KV-34HS420 34" TV

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I have a green sopt in the middle of my screen, on a wega t v ...

I have a big green spot in the middle of the screen. My set is only two years old, I have already replaced the lamp, and six months later the spot showed up....

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Sounds like a possible Bad Light Engine hopefully you have a extended warranty otherwise look for a costly repair

Posted on Dec 03, 2008

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Tv blinks a black screen off and on, and also getting a green line at top and bottom at times any suggestions? 10 years old


I have same problem, over 10 years old, only started when turned on, but does it @ anytime now . any solutions ? and this thing does weigh a ton. never had a problem ever, great tv, great picture, etc., anytime a function is initiated screen blinks on off at will, stays on for the most part, no other problem, but can this be repaired or is it time to buy a new tv ?

Oct 17, 2012 | Sony FD Trinitron WEGA KV-32FS120 32" TV

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The picture has a green tint to it on all channels


The color signal consists of Red, Green and Blue. Those three colors, at various degrees, make all the other colors on your screen.

If you have a BRIGHT green screen it's best you don't operate your set.
If it's just tinted green then there is a problem on the CRT (Cathode Ray Tube) drive board. Do check your "tint" setting and see if someone misadjusted it. If that isn't it then you need to have your set on an electronics bench and get an estimate for repair.

Apr 17, 2010 | Sony FD Trinitron WEGA KV-27FS100 27" TV

1 Answer

Blue spots


Sounds like the optical engine is bad.It is a very common problem and for a while Sony covered the repair with a warranty extension.If you call customer support they may cover it.

Sep 29, 2009 | Sony Televison & Video

1 Answer

Two color variant spots in the middle of my Sony KV-34HS420 34 in


your tv needs to be degaused or demagnetised.it cant be a bad picture tube unless it was dropped.
you can call a local shop to degause it in your home.rather easy and inexpensive to fix.

Sep 24, 2009 | Sony FD Trinitron WEGA KV-34HS420 34" TV

1 Answer

Pink Screen


Most likely the green electron-gun in the CRT is failing.

Jerry G.

Jun 11, 2008 | Sony FD Trinitron WEGA KV-27FS100 27" TV

1 Answer

Top half of screen is dead


HEY WEGA-YOUR SET HAS A BAD VERTICAL OUT IC AND ANYTV GUY CAN REPAIR THAT FOR A REASONABLE (COMPARED TO REPLACEMENT OFSET) COST.JOE TV

Nov 20, 2007 | Sony FD Trinitron WEGA KV-34HS420 34" TV

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WEGA 36" : Screen is low contrast and green


Sorry to say, it sounds like a bad picture tube, But could be also the capacitor that filters the screen voltage on the crt drivers. In all my years though, your complaint has been the picture tube. Good Luck.

Jan 02, 2007 | Sony FD Trinitron WEGA KD-36FS130 36" TV

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