Question about Samsung LNT4669 TV

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Lnt-4665 flickering and part of bottom screen rolling to top

The TV is flickering with lines on the screen and the bottom of the picture rolls to the top. This only happens when certain things are in the screen with lines or menus. Happens on all sources and can reproduce.

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  • erichouse8 Jan 18, 2013

    I have the TV connected to verizon fios but it happenswhen the DVD player is connected and my hone theater pc. I will try the hard reset but i have noticed that the fkickering and screen roll will happen even when the tv first turns on.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 308 Answers

SOURCE: Flickering picture and color lines

You didn't mention what equipment you have hooked into the set, Cable Box, Satellite, DVD., etc. So I would try using a different component or different cables to make sure it is not an intermittent connection either in some of the cables or an external signal source. Otherwise a warranty call may be justified.

Posted on Mar 12, 2007

  • 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

  • 5 Answers

SOURCE: 4665 samsung has sound but no picture

Try a hard restart, which simply means unplugging the power cord of the TV, and replugging it after 4 hours have passed. This technique reprograms the electronics, to a certain extent.

Posted on Jul 28, 2009

budmrtn
  • 11361 Answers

SOURCE: SamSung TV Model LN-T4066F Model Code

Look for bad caps in the power supply first.
http://s807.photobucket.com/albums/yy352/budm/SAMSUNG/Samsung%20LN-T4066F/

Posted on Jun 03, 2011

gopakumarg43
  • 74106 Answers

SOURCE: Samsung LCD TV LA40S81.... Turn on

Hello
It is due to the power regulator section of your TV. If DC voltage come to T'con board and other circuit board won't have enogh regulated and smoothed current this type of fault will occur. Open your Tv and check for any bulged capacitors on the mains power regulator board. If there, repalce it with same type and capacity. I hereby attaches a picture, of an other set's power supply board with bulged capacitors to give you an idea about how a damaged and bulged capacitor will look like. Check this, If you want anymore assistance from me, feel free to get me by Fixya.

gopakumarg43_41.jpg Note the top of the red arrow marked capacitors. They are damaged. A ggod one will look like one you can see on the top right with flat top surface.

Posted on Sep 04, 2011

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