Question about Samsung LN52A750 52" HDTV LCD TV

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My screen has big colorful lines on it I cant see the picture but I can hear it

My screen is scramble with big fat lines cant see anything but I can hear it

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Posted on Jan 02, 2017

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Terry Corrow
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SOURCE: Samsung galaxy s4 looks like it was stepped on. Does not do anything but display a line of scrambled colors on top

get it repaired

Posted on May 04, 2015

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Sylvania hdtv model lc320sl1 will turn on but does not get picture.... sound works.... various colored lines and or scrambled picture appears at best


Let me start at the beginning---Likely a bad main board in your case but nothing is sure in this type of set.

Main board controls all information to the front screen and communicates to various boards---There really is almost never a simple "that part is bad solution" as any board, the power supply, the main, etc can cause issues.

It can even be a issue with the front screen unit--called a display panel.

You might consider doing some research on the set by Google of the model number with "parts" to get an idea what is available and what potential parts cost might be.

If a main board is bad it will average from one to two hundred just for the part----if issue is the panel you are done--part if even available is more than set cost when new.

Let me know if you have questions.

Jun 03, 2012 | Televison & Video

1 Answer

My LCD tv screen becomes scrambled on half of the screen with input from a different source and has reddish colors.


Likely another board is bad--GET IT IN FOR REPAIR UNDER WARRANTY BEFORE NO WARRANTY SITUATION

Apr 01, 2012 | Televison & Video

1 Answer

My sony wega kf-50we610 unlike every one else i have no problems with set turning on my problem is i cant watch anything do to the picture being distorted scrambled like i can see the menu options and...


It looks like the vidoe board but the fault can be also a distortion in the horizontal / vertical section. So check the PIN amp and related sections. What must be looked is of the HSTAT can be off set.
Deguass the set well to confirm if there is any possibility of a distortion of picture by a severe magnetic field.
Since there can many problems associated with a distorted picture but you can try and see these possibilites other than the Y amp processing. Hope my suggestions helps.

Aug 20, 2010 | Televison & Video

1 Answer

Screen is all different colors and lines


wrap it in 2 towels 4 ten minets n the pictur should come up worked with mine but the day later got red ring of death

Jun 10, 2010 | Microsoft Xbox 360 Console

3 Answers

54inch Hitachi TV has double figures and colors red, yellow-not normal. Set approximately seven -eight years old. Lost remote control and direction book in moving. Is the set worth getting fixed? Generally...


These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

Convergence problems are very common on all Projection TV sets including Sony2_bing.gif,Samsung, JVC, Philip Magnavox, Panasonic, Akai, Pioneer2_bing.gif, Hitachi, Zenith, and others. You can get a convergenece repair kit wiith instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms

  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted or warped
  • No Audio/Video - makes a chirping sound.
Problem #2

Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

  • Dull looking picture
  • White looking picture
  • Halos around objects
  • Red/Orange looking picture

You can see some more examples and find a fix here
bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Apr 11, 2010 | Hitachi 57F500 57" Rear Projection...

1 Answer

Picture colors scrambled


Ur convergence it dead,Know how to solders?Buy a convergence kit to repair.These websites have the kit.Tv repair World.com,Tv Repair Kits.

Dec 12, 2009 | Toshiba 57H82 57" Rear Projection...

1 Answer

Samsung Plasma Lines and Colors on Screen


yes it can fix. its only loose connections from LCD connectors. trust me. romsky79@yahoo.com

May 29, 2009 | Samsung HP-R4272 42 in. Plasma HDTV

1 Answer

Scrambled picture


Which caps on which boards as that sounds like a issue with the signal and FMT PCB. The v26 chassis like yours has problems with bad caps on the DM, Signal, FMT and the PWB and terminal

Jun 28, 2008 | Mitsubishi WD-52525 52" Rear Projection...

2 Answers

P42W46X Zenith Plasma - No Picture - Mostly Yellow on screen


Mine looks like too, but the line running across isn't on my set, picture looks like this, and the sound works fine. I took the tuner board all the way out and turned the set on and it did the same thing, then I unplugged the top wire on the board next to the tuner board and the screen went black. plugged it back in and the screen came back with the scrambled picture. Anyone know why? Bad mainboard maybe? the left of the tuner board?

Nov 25, 2007 | Zenith P42W46X 42 in. Plasma EDTV

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