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My samsung lcd tv has red, yellow, and green vertical lines on the screen. What is happening to my tv?

Samsung lcd tv model # LN46B650T1FXZA THE TV HAS RED, YELLOW AND GREEN VERTICAL LINES ON THE TV SCREEN. SOMETIMES IF I CHANGE THE CHANNEL, I CAN STILL SEE THE PREVIOUS CHANNEL IN THE BACKGROUND. THE TV HAS STARTED MAKING A POPPING NOISE WHEN I TURN IT OFF. IF POSSIBLE, I WOULD LIKE TO FIND OUT WHAT PART IS GONE BAD ON MY TV BY THE SYMPTOMS I PROVIVED. THANK YOU!

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

techman
  • 3130 Answers

SOURCE: nec plasmasync 4200w 3 vertical lines one yellow two purple

Sorry to tell you, it is not a scratch, but a bad cable connection from the driver IC's, connecting up the plasma screen to the drive board, or the drive IC for that section of the screen is defective. It is not a repair a user can do as there are no user replaceable parts inside this set. Your going to have to call NEC or an experienced Plasma repair shop.

Posted on Oct 08, 2006

SOURCE: zenith 42" plasma p42w46x

I have the three zenith plasmas, I've fixed the two that were flickering. The one with the verticle lines, I sawpped the Z-SUS and the Y-SUS from the good TV to the bad and still had the white lines. I looked at the two boards hooked together with 3 aluminum covered ribbon cables that are in the lower center of the TV with all the video inputs, on the far left there is a right angle connector that has about 20 pins, the white cable comes out and goes under to a circuit board this looks like this cable supplies the video signal to the screen. I disconnected the cable and the screen went black, all the voltages going into the video board are normal, so there must be something fried on one of the two boards, there are a LOT of electrolytic caps on those boards. I will post when I figure out whats cooked, you may have the same problem too.

Posted on Dec 26, 2007

  • 213 Answers

SOURCE: Thin Yellow Vertical Line - Samsung LNT4665F LCD TV

it sound like the the part that you need to replace is assy pcb maine-amlcd p# bn94-01199e 306.20 core of 50.00 or the ip board P# bn44-00168a but be vear care whan you do this job the cable the some time to git offf the pcb mount. good luck this sould help you out.

Posted on Mar 30, 2008

jerryg50
  • 1667 Answers

SOURCE: plasma tv

If the set is under an extended warranty get it serviced.

On rare occasions it may be the Plasma screen itself that is defective. In more than 90% of the cases it is a circuit board that has to be changed.

This can be an addressing problem to the screen. The failure can be in the screen addressing circuits or probably in the processor circuits. After or during the signal conversion to the data buss, there are many areas of the set that can actually cause missing pixels, lines, or ailiasing in the image.

The service tech will swap out boards to find the fault. Once he finds the defective board, he will quote you for a new board.

Jerry G.


Posted on Apr 27, 2008

  • 23 Answers

SOURCE: plasma TV with vertical lines

EASY! ok the 4th video processing unit is malfunctioning, if it is a Piano affect like the keys on the piano, then that can be fixed under your 1year warrenty after your 1year warrenty it will cost $200, but i could be wrong, i never studied panasonic plasma casue they ****, next time get a samsung.

the worst contrast and video ajustments, thats a panasonic.

trust me i am the flat pannel guru!

Posted on May 02, 2009

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