Question about Samsung LN52A850 52 in. LCD HDTV

1 Answer

Green and purple scrolling lines

I have an LG22LC2D-UB that was purchased installed in January 2008.  Yesterday, we installed a ground in that circuit and the scrolling purple and green lines started today.  We watched a movie on On Demand after watching some other shows which is when the lines started.  We are in the process of switching the tv and cable over to an outlet that was not grounded as I type but I don't think it will work.  I have the Best Buy service plan, should I bring the tv in or at least have the geek squad come inspect the tv? samsung 52" lcd tv but i have green and purple scrolling lines only when the cable is on. when theres a dvd its perfect. i dont know wheather to get a cable tech or a tv tech?

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  • Samsung Master
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If you wish to get some details; visit the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.

Posted on Mar 27, 2017

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

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Posted on Jan 02, 2017

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lukster
  • 217 Answers

SOURCE: red and green scrolling bars on my tv

probably the cable box, scrolling bars are a clasic sign of this

Posted on Jul 20, 2008

  • 21 Answers

SOURCE: Pink and green lines while watching a movie

if this is only happening on your dvd player, then change the type of cable used to link the tv with the dvd player, if that does not fix it then try another dvd player to make sure it's not the player itself

Posted on Dec 28, 2008

jmgldsmth
  • 2005 Answers

SOURCE: 52" Samsung that the top half of screen goes black.

the HDTV has a heat-related problem check your fans. Do they remove heat? the vertical chips paint the screen from top to middle and, middle to bottom so; your top to middle vertical chip is overheating as is your video chip; that is why you have "glitter" in the back ground. get rid of the heat or, bye,bye TV.

Posted on May 20, 2009

  • 267 Answers

SOURCE: Green purple and blue bars rolling through screen

It is probably the main total assy needs to be replaced.

Posted on Jun 26, 2009

xCAUSALITYx
  • 210 Answers

SOURCE: vertical black lines in samsung lcd tv

Hi,

Hardware related, needs an engineer as not a simple fix.

Thanks

Posted on Sep 05, 2009

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I Hope this helps!

Sony has extended the Warranty for people experiencing picture anomalies due to LCD Panel failure through October 31, 2012.

See here:
http://esupport.sony.com/US/perl/news-item.pl?news_id=378&template_id=1

IF YOU FOUND MY SOLUTION HELPFUL PLEASE VOTE 4 THUMBS UP.
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yellow - back-up, 12 volts all the time, even with key off

black - ground

orange - illumination

blue - power antenna or remote turn on for external amplifier

grey - Solid grey is postive front right speaker, grey w/black stripe negative front right speaker

white - solid white is positive front left speaker, white w/ black stripe is negative front left speaker

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You may also have a wire for "mute" which mutes the speakers when you have a phone call or other accessory connected to it. I can not remember off the top of my head what color it is, but most times it is brown. If you have an extra wire I have not listed, that will most likely be the one. Most people never use this wire.

I hope this helps, and if so a FixYa! rating would be appropriate and very much appreciated, after all, it is the only reward we get for helping people like yourself for free.

I would be happy to offer more help if you need it, just reply to the post and I will get back to you as soon as I am able.

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1 Answer

Purple and green scrolling lines


This may be a mechanical or electronic problem that is dealing with the sync of the colour wheel. There is basicly no colour lock. This may be the replacement of the associated circuit board, or the motor assembly or the colour wheel.

The link below is describing about how DLP technology works. They are relating to a front projection type. With the rear screen type, the basic technology is very much the same for decoding the pictures from the TV signal.

http://www.hometheaterhifi.com/volume_9_1/plus-piano-projector-3-2002.html


Jerry G.

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Green line


sharp is very aware of the panel and main video processor problems.They should give you no problems on the repair.It sounds most likely you have a main video processor problem.

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You have a ground loop problem. Buy an adapter that lifts the round ground prong and poof, clean picture.
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1 Answer

GREEN AND PURPLE LINES ACROSS THE SCREEN


This is a symptom of the circuit failing.
it will soon be much worse.
You need a tech.
you can verify it is the tv circuit.
remove cable or input another signal such as dvd
bring up the TV' menu. does it have the lines.

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