Question about Samsung LN46B530 LCD TV

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Lightnings like lines on a half screen

I gotta a lightnigs like line on my samsung tv. Looks like magic wand effect in photoshop. Colored in purple and green, mostly seen on faces on tv and appers only on left side of the screen. Please help.

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  • Samsung Master
  • 73,738 Answers

Must be of a back-light problem. Contact any service technician. This is not a user repairable fault.

Posted on Jul 14, 2013

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

SOURCE: Purple and white distorted fuzzy lines running up and down and side to side on tv

I just had my lower Y-buffer board swapped out to fix a problem similar to yours. After an hour and a half of on-time, the lower half of the screen would flicker on and off with the same appearance you mentioned. Changing out this particular board fixed it for me. However, since it has gone from top to bottom on your set, it may be more of a main board problem for you (that controls both upper and lower halves). Beyond this, I don't know any more. I am considering getting a service manual to gain more knowledge about the various PCBs in the unit so I can fix any future problems myself.

Posted on Aug 27, 2007

Coldcut
  • 1554 Answers

SOURCE: Static lines one screen

as the top is ok and the bottom has this issue.
It looks like the circuit board has a bad connection to your screen.
it is not repairable by you and not an adjustment.
you need to have it repaired.
don't you miss the old wack on the side fix?

Posted on Feb 17, 2008

circuitworld
  • 335 Answers

SOURCE: green line down left side and geen snow

Horizontal or vertical bars on the screen could be from an ac line interference, adjacent magnetic field, bad input wire connections.....especially HDMI connector cables. A bad HDMI cable causes all kinds of unwanted picture interference. Check the conditon of all connection wires for proper fit and function. Keep in mind the method in which you connect your tv will result how the tv performs. As well this line problem could be a circuit issue too, requiring a technician to look at it.

Posted on Jan 04, 2009

  • 98 Answers

SOURCE: Vertical lines in LCD tv screen

Need to check the two things.

1st -- need to exchange T-con Board.
2nd -- need to exchange the cables between T-con & LCD panel or
between T-con & Main(LVDS cable)

Posted on Feb 06, 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

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My LCD TV has a vertical line on the right side of the screen. What causes that?


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Jan 26, 2016 | Televison & Video

1 Answer

My TV has been acting strange lately. When I turn it on, the screen looks purple and has these horizontal lines up and down the entire screen. They don't expand to both sides of the screen, though. WHen...


there seems to be a problem in the horizontal circuit...there is a control on the flyback transformer that is labeled "screen". (you'll have to take the back off) The flyback is the component that looks sort of round with the red high voltage lead coming out the top and connecting to the top of the picture tube.On the back of the flyback there will be 2 or 3 controls if 2 there will be 1 focus and 1 screen, if 3 there are 2 focus and 1 screen..using an insulated flat blade screwdriver, slowly turn the screen control counterclockwise to see if this will make the lines go away...if not then there is a horizontal cicuit fault and quit possibly a pincushion problem(hourglass effect)..these will need to be checked by a service shop

Jan 22, 2011 | Sylvania 6432TFY TV

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How do I get rid of purple and green wiggly lines? The black screen that appears when switching between channels was green a couple of weeks ago, that problem stopped after I unplugged the set for a while....


You have a bad LCD control board,It overheats and causes colored lines,screen to darken,or the color go floresent. Also check the power supply for bad caps.
when you have it apart.They usualy go bad on these tv's. It will cause the tv to take longer to come on.Or you have to hit the power button several times to get it on.

Oct 26, 2009 | Samsung LN-T4061F 40 in. LCD HDTV

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Samsung Plasma TV has horizontal lines of colored dots


I have the same problem, currently searching for a solution. Have you resolved your problem yet? Looking to repair myself, any tips or ideas that you have/expirenced would be greatly appreciated. Thanks, Todd

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2 Answers

Purple and white distorted fuzzy lines running up and down and side to side on tv


I just had my lower Y-buffer board swapped out to fix a problem similar to yours. After an hour and a half of on-time, the lower half of the screen would flicker on and off with the same appearance you mentioned. Changing out this particular board fixed it for me. However, since it has gone from top to bottom on your set, it may be more of a main board problem for you (that controls both upper and lower halves). Beyond this, I don't know any more. I am considering getting a service manual to gain more knowledge about the various PCBs in the unit so I can fix any future problems myself.

Aug 19, 2007 | Samsung HP-R4252 42 in. Plasma HDTV

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

Jun 15, 2006 | RCA Scenium HD65W20 65" Rear Projection...

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