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TV Picture problems

I have a older Panasonic TV, the screen sometimes has a bright line donw the bottom across the screen. And then the actual picture wobbles and ends up moving up the TV screen. So after a while the picture is a third of its normal size and its very annoying.

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Replace all caps in vertical area, if problem stays, try replacing pumpup diode and vertical. if still same problem check drives goin to the vert, and vcc goin to it.

Posted on Apr 09, 2008

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Horizontal line about 1 from bottom of picture


The t con board or LCD panel of the tv is faulty. Can confirm by replacing the t con board.
If you wish to get some details; check the site linked here. Pull up older posts.
http://electro-medical.blogspot.com/

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Split screen, kind of inverted w/white wavy lines


It is a calibration problem, let me see if I can find some schematics for your tv.

Jul 19, 2008 | Panasonic CT-32SL14 32" TV

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TV is older and has had a great picture through the years. It has now developed blue vertical lines all the way across the screen every 3/4".


Those are retrace lines from too bright a picture. If you can't get them to go away with the brightness control then a repair is necessary

Jun 22, 2015 | Sony KDS-R60XBR1 60" Projection HDTV

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Panasonic ctp2780sf no picture faint line going vertical across screen


There are two reasons for this fault. A fault smoothing capacitor at the video output voltage rail, or excess of screen voltage. These lines are called 'vertical retrace lines' technically. Check this link for more details. It has a post, which have information regarding this fault. Go to older posts there.

Dec 25, 2012 | Panasonic Televison & Video

1 Answer

I HAVE A SONY KV 32S40. I HAVE SOUND BUT SOMETIMES NO PICTURE AT ALL. IF I DO GET A PICTURE THEN THE WHOLE PICTURE IS MOVED UP HALF THE SCREEN CAUSING THE TOP OF THE PICTURE TO ACTUALLY BE UPSIDE DOWN....


If the set is more than 10 years old the ceiling point for most sets has been reached, and prices have come down making it more attractive to buy new. To put money in an older set will be gambling with the odds of breakdown in other parts of the tv.

Mar 05, 2011 | Sony KV-32S40 32" TV

1 Answer

Green line in middle of tv when switched on


Is there a picture with the green line going through the centre. If it`s just a green line with no picture, it sounds like the Frame (Vertical scan) Output IC has failed and possibly the safety feed resistor near the LOPTX. The reason why it`s a green line is to protect the tube from phosphor damage. The older TV`s would produce a VERY bright white line across the screen which could burn the phosphors withing the tube if left turned on in that condition. It`s not an expensive repair, but is it worth it with the price of Modern TV`s nowadays. If there is a picture with a green line, it may be due to phosphor damage, in which case, it`s a new CRT (tube). Ian

Jul 15, 2009 | Panasonic Televison & Video

1 Answer

Panasonic TV-The picture collapses to a bright line across the middle of the screen. When I tap on the rear of the TV it returns to a full picture.


It's problem of York wire problem please resold it If your problem is not solved check your PCB for dry sold and Check capasitors

Mar 12, 2009 | Panasonic Televison & Video

3 Answers

TV: bright line across black screen for several hours.


vertical output ic needs to be resoldered. careful leaving that bright line displayed on the screen as this will cause a permanent phosphor burn into the tube. this can not be corrected once burned unless you replace the tube. mch

Mar 08, 2009 | JVC Televison & Video

1 Answer

No picture or just one line across screen on hitachi ultravision rearproj.


Could be a loose connection on the printed circuit board in the Vertical deflection circuit.
You would have to have a qualified technician to repair this problem.
A intermittent connection in the circuit described can cause a horizonal line across the screen.
You have to be careful and not leave the TV on for a period of time with a bright line, as it can actually burn a line on the CRT screens, which is permanent.

Mar 24, 2008 | Televison & Video

1 Answer

Thin horizontal line across picture


I really dont understand the problem Could we see a picture of this please?

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