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

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I left my TV set on and their was a still picture on the screen for approx 4 hours...I now have a yellow circle in the middle of the screen when watching programs

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Burned phosper  in crt. replace crt.  

Posted on Dec 02, 2008

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Yellow spot in middle of screen


Hi there,
We have the same exact problem with the same TV. We've only replaced the bulb once about a year ago. Don't know if it had anything to do with the fact that we now have a large yellow circle in the middle of our screen, which is about 7" round.
We only noticed the yellow mark about 4 months ago.
Hopefully someone will have a solution for us that doesn't cost an arm and a leg. Paid $2100 for this set and are a little disappointed.

Nov 26, 2010 | Panasonic PT-50LC13 50" Rear Projection...

1 Answer

Yellow circle in the middle of the screen. It has


Not sure if this will help...

Projection TV sets have several common problems listed below.

Problem #1) Convergence

Symptoms:


  • Screen Looks 3D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - TV makes a chirping sound.
Problem #2 CRT Fluid has clouded over. Symtoms

  • Dull looking video
  • White looking video
  • Halos around objects
  • Red/Orange looking video

You can see some examples and find a fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Mar 06, 2010 | Toshiba 42H83 42" Rear Projection...

1 Answer

I left my tv on when I went to bed and the picture was fine. Then I woke up and turned it off. When I came home and turned it back on, the picture was blurry all around the tv except in the middle of the...


is the blurry all around the picture have different color like a smear of red, blue or yellow?
if it is i think the posistor of your tv is not working. it is the one who activate the degaussing coil around the picture tube the prevent color miss-landing upon opening your tv set.

Aug 11, 2009 | Samsung SlimFit TX-S3082WH 30" TV

1 Answer

Blue Dots at bottom of screen


i have 6 grey perfect circles on screen of sony 52 inch kdlw3000

Jul 08, 2009 | Sony Grand WEGA KDF-50WE655 50" Rear...

1 Answer

Colour breakdown


Thank you for your reply. I have since had my TV repaired by a local engineer. The TV needed a new part to restore the colour.
Helen Shaw

Jul 06, 2009 | Bush Televison & Video

1 Answer

Yellow hue circle in middle of screen. after leaving tv on all night


spherical or oval shaped light starting in the center of your picture is an indication of an led backlit tv.. probably a hitachi. solution, replace light engine..ps no garuntees not with led backlit sets.. was bad idea to begin with. when the leds start going they start at the center and branch out.

Apr 13, 2009 | Hitachi 50V715 50" Rear Projection...

2 Answers

Tv rainbow in screen


The picture tube has become magnetized, possibly by someone getting a magnet to close to it. You can de-magnetize it using a strong magnet (cow magnet or similar). Place the magnet as close the the screen as possible without touching it to the screen. Starting at the middle of the screen and slowly (not too slow, about one full circle per second should do) move the magnet in a circular motion. With each full circle move the magent twards the outside (making a larger circle) as well as moving it farther away from the screen. Using a magnet will not harm the screen, so play with it and you'll soon get the feel and will see what you need to do.
Tv's have a circuit built in to 'Degauss' (demagnetize) the screen each time you turn it on, but this will only work if the set is 'Cold'. If the set is left off for 2 hours (to cool doen) and does not demagnetize when you turn it on the circuit is faulty.

Jul 21, 2008 | RCA TruFlat 27F520T 27" TV

1 Answer

Pioneer DVR-520H DVD Recorder Picture is Yellow


If running component or RGB try replacement lead set. Otherwise is TV issue.

Oct 12, 2007 | Pioneer DVR-520H DVD Recorder

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