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Sharp tv lc42le620ut

Vertical lines on left side of screen.

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

SOURCE: green vertical line on the right side of screen

I bumped my screen by accident recently and now have a similar problem (multiple vertical and horizontal thin lines). I was told that the screen is now bad and probably cannot be repaired. The cost of replacement is more than the cost of a new set. Sorry, but that may not be the answer that you are looking for.

Posted on Dec 10, 2007

  • 7 Answers

SOURCE: Black line in my Sharp TV

yes 100% is ur lcd panel fail-- what u can do open the unit follow the lcd panel video cable,from the videoboard to the lcd panel input,,take ur time remove ,it shouln"t be to hard to removed,,after stand up the unit clear around it, the turn it on,if u see the line still there,that means ur lcd panel is finish it should be replace , if no line it could be ur cable faulty,,trust me i"m a service tech for 12years,& i still do ,thatks good luck

Posted on Jan 08, 2008

freetek
  • 5568 Answers

SOURCE: green vertical line on the right side of screen

Warranty still alive?
Hope so; the problem could be an expensive one.

The screen appearance is controlled by allowing light from a backlight through by turning pixels off and on.
This switching is done by a matrix that turns on vertical and horizontal pixels of the right shade at the right time to produce the image you see.
One of the control elements for the vertical that controls the transmission of green light from the backlight, has died (no longer switching off and on when told) and these are normally a part of the LCD screen assembly itself and not easily replaceable.

I would be talking to Sharp - this shouldn't happen in 6-7 months of use.

Posted on Jul 09, 2008

  • 1779 Answers

SOURCE: Sharp aquos has green and white vertical lines

You must contact a svc co. This is a upper or lower buffer board problem and possibly a control board. Nothing you have done wrong, it just happened.

Posted on Feb 28, 2009

  • 10 Answers

SOURCE: red vertical line down right side of the screen

hi

I think your TV have a trouble inside lcd panel
the controller board contains driver IC. Deffective driver IC can cause of line display.
572f3bf.jpg


Three reasons why one vertical line accross screen can happen in LCD;

1.The missing signal from the controller IC to
LCD driver.
2. LCD driver IC itself defective
3. Dry contact in the tape carrier package.

Use masking or electrical tape to mark it where the line was located. press it if the line back to normal but when release your hand came back i think it was intermittent. Open the LCD panel

18e0f59.jpg
Use robber
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Place the rubber on the top of TCP
7cf52e8.jpg
Gently close back the top casing

46c4989.jpg
Good luck...





Posted on Aug 21, 2009

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Sharp lc26sh20u 26"flat panel has vertical lines on left side,What coulb be problem?


This line would either indicate a horizontal problem cropping up or a power supply problem

I would suggest getting a service tech to look at it to determine where your problem is coming from but most likely it will be the power supply /deflection board that is the problem but I can't know for sure, it will have to be checked.

A lot of sets have had damages after a long hot summer a/c flipping off and on and current demand being peeked from the utilities storms or quick power loss off and on can cause problems like this to occur

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Recently I turned on my TV and I have vertical white area with some lines that are colored on the left side of the screen. The rest of the screen looks fine.


If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Line, faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.

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I have a Sharp aquos 60" lcd that has 1 vertical blue line on the left side off screen. what part would cause that ?


If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Line, faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.

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Sony KDL-52WL130 Dark and blurry on left side of screen . Also vertical lines on left side of screen


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I have a 37 in sharp lcd tv. it has a black line in the middle of the screen. looks like it burnt into the screeen. is this repairable?


Hello,

IF YOU HAVE A SOLID BLACK LINE RUNNING VERTICALLY THEN YOU HAVE A FAULTY MATRIX INVERTER. IF CENTRAL THE MAIN VERTICAL INVERTER NEEDS CHANGED. LEFT = LEFT VERTICAL INVERTER RIGHT=RIGHT.........

ANOTHER WAY TO GET THIS FAULT IS WORN OR DAMAGED RIBBON/PLASTIC GOING FROM THE SCREEN MATRIX TO THE INVERTER


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Tv repair


A vertical line means the line is up and down in the middle of the screen. That would indicate that the vertical IC and the surrounding components are working perfectly. A vertical line as described is the result of a lack of horizontal deflection (to move the beam from side to side) Since the high voltage is obviously OK, the problem is most likely a bad solder connection in the horizontal yoke circuit. Examine the bottom of the PC board in the area of the flyback transformer, and yoke connector (has four wires Red, Blue, Green, Yellow).and the pincousion coils, capacitors, etc in between. Flexing the board in that area may cause the problem to come and go. Resulting arcing should also be visible. BE CAREFUL, as hazardous voltages are present in the circuit!

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Sorry, you have a defective LCD panel. If your TV is still under warranty, contact Sharp to get the TV exchanged. Otherwise, LCD panels cost more than the TV is worth.

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I bought a Sharp LC37DW99U at the end of November 2007. There is a one year warranty. The image developed a cluster of vertical lines on the left side of the screen in early February 2008. Brandsmart sent...


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What i would do first is perform an alignment to see if that fixes the vertical lines. Your TV should have a feature for it to automatcially perform an alignment of the mirrors.

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