Question about JVC AV-48P575 48" Rear Projection HDTV-Ready Television

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4" line on the screen Sony HDTV

There is a 4" fine line: red right on the middle of the screen. I am thinking that maybe the kids hit it with remotes, I am not sure. It is not a scratch, it is in the screen. A suggestion will be very much appreciated!

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  • 164 Answers

It sounds like the " RED GUN" may be out of alignment.
I suggest unpluging TV while it is ON* and let it stay off for 15 or more minutes to drain off power. Replug it and see. then we can go from there.
Mastersage

Posted on Feb 18, 2009

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6ya6ya
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Screen issues


In the customer menu first look for convergence--if this is Akai it is made by Samsung.

in the convergence menu will be either a grid of lines or several crosses--examine and see if your red line is out of position there.

If it is it may just require with the remote adjustment in that menu.

Cleaning will not resolve a red line.

let me know what you find.

Mar 13, 2012 | Akai PT5598HD 55" Rear Projection...

1 Answer

Red & Green outlines but only on left/center portion of screen.


Its a convergence problem. You may want to check the site www.tvrepairkits.com. Every thing they said every description was right on. The best money I ever spent and the confidence you get from doing it yourself, Its a great feeling of achievement not to forget the live messenger support is instantaneous, friendly and informative if you need to fix your tv go to tvrepairkits.com I fixed a philips 60 inch tv in 45 minutes, The convergecne chips were bad thanks a million. You guys saved me 250.00 bucks. I'll be recommending you to everyone I know!

Aug 18, 2009 | Sony KP-46WT500 46" Rear Projection...

1 Answer

Color lines out of focus


Best Solution posted on Apr 12, 2008 Asker's Rating 3%20stars_w.png
dc2eb76.jpg MikeNJ1964
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Rating: 89%, 674 votes
You have a completely different problem. The screen voltage for the blue picture tube is slightly too high on your set. This will put fine lines in the background of the picture, called retrace lines. This is very common and easy to correct. Remove the front speaker cover and the access panel behind it. Look inside and you will see a black box with six controls, each control having a little white glue on it. This is the Focus/Screen block. Three controls are labeled Focus and three are labeled Screen. The screen control in the center is for green but I am not sure if the screen control on the left or right is for blue for your model. With the TV on, set it to VIDEO 1 but do not connect anything to the VIDEO 1 jacks. This will produce a pure dark picture, showing any faint lines in the background. Choose one of the screen controls and increase (turn clockwise) it slightly. If the blue lines do not get brighter it means you are turning the red screen control, so put it back where it was and choose the other screen control. When you find the blue screen control, decrease (turn counter-clockwise) it until just when the blue lines are gone. If you want you can check that the red and green screen controls are set to just below the point where their faint lines are visible. When done, replace the panels and your picture will be back to perfect.
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MikeNJ1964 was exactly right! I have a Sony KP-65WV600 that had horizontal green lines that showed when the picture was darker. I had to remove 3 screws on the right and left side of the tv holding in the speakers...carefully pop out the middle panel from the clips holding it in....remove 4 screws from the cardboard in the middle and remove the cardboard. I then saw the six screws. The adjustment screws were the three below. I turned the middle screw until the lines dissapeared. I tried the left screw and blue lines appeared which I then adjusted away.
THANKS a bunch. SAVED me money!!!

May 15, 2009 | Sony KP-65WV600 65" Rear Projection...

1 Answer

RCA HD52W59 Crooked Convergence


Convergence power supply needs to be rebuilt as its no longer available new. You can get the board rebuilt at the following link and its fully guaranteed.
http://servicemanuals.vstore.ca/

Mar 04, 2009 | RCA HD52W59 HDTV Projection Television

1 Answer

Red line runs from middle of screen to right bottom and bends in middle


look the only thing u can do is have someone put the parts in for u the parts alone is 40-$ 60.00 and maybe $ 150 in labor that is all u should have to pay. that is what i would charge a customer to repair there tv set and it can be service right there in your home.i hope this helps marty

Oct 13, 2008 | Panasonic PT-51HX41 51" Rear Projection...

2 Answers

Curved blue lines on screen.


You have a completely different problem. The screen voltage for the blue picture tube is slightly too high on your set. This will put fine lines in the background of the picture, called retrace lines. This is very common and easy to correct. Remove the front speaker cover and the access panel behind it. Look inside and you will see a black box with six controls, each control having a little white glue on it. This is the Focus/Screen block. Three controls are labeled Focus and three are labeled Screen. The screen control in the center is for green but I am not sure if the screen control on the left or right is for blue for your model. With the TV on, set it to VIDEO 1 but do not connect anything to the VIDEO 1 jacks. This will produce a pure dark picture, showing any faint lines in the background. Choose one of the screen controls and increase (turn clockwise) it slightly. If the blue lines do not get brighter it means you are turning the red screen control, so put it back where it was and choose the other screen control. When you find the blue screen control, decrease (turn counter-clockwise) it until just when the blue lines are gone. If you want you can check that the red and green screen controls are set to just below the point where their faint lines are visible. When done, replace the panels and your picture will be back to perfect.

Apr 11, 2008 | Sony KP-46WT510 46" Rear Projection HDTV

3 Answers

Sony kp-51w5510 rear projection tv convergence


Lateral red or blue movement is accomplished electronically
via convergence alignment circuitry controlled by STK type IC's
Replace them both for reliability, then adjustments will work..

Nov 26, 2007 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Zenith 50" R56W36


maybe on your remote press menu and find converence and use the keys to move the red first over the green then move the blue over the yellow ..by standing back and just using the remote....should end up with white lines. and dont hit that button again once set. a tech should do this quickly and charge you minium.

Aug 16, 2007 | Zenith R56W36 56" Rear Projection...

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