Question about Sony KP-57WS500 57" Rear Projection Television

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The TV shows light green ring line on the screen.

The TV shows light green ring lines screen during black backgrounds. Thanks in advance for your help. I have the same problem but instead of green lines I have red. Any help?

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  • 13,433 Answers

Im sending you a solution posted earlyer by DOCTOR VIDEO

red verticle lines are most likely a bad tube or convergence problem. You will not be able to fix this your self . I suspect a bad convergence ic cost for parts are around 45.00 servicer charge about 250 to fix. At least know when you call a servicer you will have
a good understanding of problem.good luck.

doctor video leadingedgeelectronics since 1987

Posted on Nov 08, 2008

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Plz. tell me about your tv model

Posted on Nov 08, 2008

  • rush2robby
    rush2robby Nov 08, 2008

    Remember that televisions have high voltage circuits, and other circuits that hold voltage even when unpluged. Repair should always be done by a professional. If you do decide to repair it yourself please do with caution.
     

    The convergence circuit is part of the deflection board (D board). You could replace this board to fix your problem if you wish.

    However sometimes replacing the D board is not enough, on some occasions there is a pico fuse or two that will open on the G board and if you replace the D board you will still have the same problem until you change this fuse. You will need to be able to use a multi meter and be able to solder in order to take care of this fuse. 

     

    If you have more questions or need any more information please let me know.

     

    Thank you,


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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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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

Very fine blue lines veiwable when the background has black in it


Hello,
You need to adjust (actually bit decrease) G2 volts (calls Screen volts) of Blue gun.
If you are familiar with big TV repair and have electronics knowledge then let me know to guide you further.
thank you.

Dec 13, 2008 | Sony KP-51WS500 51" Rear Projection...

2 Answers

The TV shows light green ring line on the screen.


Read the info from this website and you should be able to fix it.
Use at your own risk.

Aug 16, 2008 | Sony KP-57WS500 57" Rear Projection...

1 Answer

The TV shows light green ring line on the screen.


Take off the speaker grill and the particle board just behind it. You'll find a block with six knobs. The 3 bottom knobs can be adjusted ever so slightly to fix your problem. Do it very slowly. You wan to adjust the center knob for green. Turn it until the lines go away. But again, do it very slowly. You're adjusting the voltage to the green tube. Do it too fast and you can damage it.

Jun 22, 2008 | Sony KP-57WS500 57" Rear Projection...

1 Answer

Blank Screen - Panasonic PT-50LC13-K


Hey Ben, The TV is alerting you it is about time to change your light bulb, it will keep on doing this until the light bulb just dies.
Order your Bulb via On Line at any of the places, there are different prices, but average for the authentic one with the chasis included is @ 260.oo and only takes @ 5 days to get delivered. You can save up to 140.oo if you just order the pure light bulb, and go the extra mile changing it, I just explain someone how to about it, only takes you 30 mins. Good look, I hope I get help for my problem too.

Mar 16, 2008 | Panasonic PT-50LC13 50" Rear Projection...

1 Answer

Blue out of focus; casting blue "glow"


Try changing the coolant in the blue tube. Contaminated coolant will give a halo look to the affected tube and you will experience difficulty focusing that color.Phillips/magnavox's blue is the tube most often affected with the contaminated coolant issues.

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1 Answer

Green lines? Greenish tint to black colors on tv


ohh noooo call a good repair man...
tap on the green crt and check for liquid on the board

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1 Answer

Blue out of focus; casting blue "glow"


Be very carefull replacing the fluid as leaks will short stuff out and are messy.

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1 Answer

Vertical Green/Purple Lines on lower half of screen


I would contact RCA if the repair center dosent know how to troubleshoot this set. But I bet its an eeprom or ground issue. Contact RCA here at 580-634-0151 or At https://www.rca.com/secure/service/contactrca/1,,,00.html Good Luck

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