Question about Sony Bravia Kdl-46ex720 Internet Tv Compatible Full Motion

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Sony bravia 46ex720 has a fat white vertical line down the middle of the screen.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

mistersony
  • 320 Answers

SOURCE: Sony Bravia KDL-40V2500

The panel or TCON board has failed, the solution is the same replace the panel. Not worth the cost, get a new TV

Posted on Oct 18, 2008

  • 20 Answers

SOURCE: I have a Sony Bravia KDL-46Z4100 46' I have a green vertical line

this is probly the lcd control module unfortunatley it comes with a new lcd panel
change these.

Posted on Mar 11, 2009

bob_computer
  • 3153 Answers

SOURCE: Airsoft gun hit Sony Bravia LCD screen, can this be repaired??

Yes but not cheaply

Posted on Aug 10, 2009

circuitworld
  • 335 Answers

SOURCE: A fine green vertical line displayed on the Sony Bravia 46.

Thats a pixel data problem, there's no data being sent to that row of pixels so they don't change color. This is a pixel address registry (PAR) issue and the PAR circuits need to be serviced its usually due to open or shorted SMT components on the PAR circuits. PAR also sends data, voltage, and control to each pixel, the green line you see are pixels that have voltage but because there's no data sent too them their all green because there's no control. If the pixels have voltage but no data or control they show up as green red, blue, yellow, or whit line vertically down the LCD panel. The vertical-horizontal section of PAR are controlled by 16 to 32 bit micro-controllers which may need replacing. If its under warranty take it back if not have your local repair center fix the tv for you...


Posted on Nov 09, 2009

  • 68 Answers

SOURCE: Permanent Vertical Line on my Sony Bravia 46 inch LCD TV

What you're describing is usually the result of an improperly seated connector. With the power disconnected, open the tv and locate any connectors between the LCD screen and the driver circuit board. Unplug them, and reconnect it assuring it's properly and firmly seated. Be careful when handling these cables as they tend to be quite fragile... take your time.

Posted on Nov 28, 2009

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1 Answer

Horizontal lines on screen of sony tv


Back - light problem. Damaged CCFL lamp/s. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced.

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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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That sounds like a defective LCD panel tab, Sony's and Samsungs are notorious for this problem. Does the problem go away when the set warms up or when you tap the screen?

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1 Answer

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Ok after over a year i figured out it was the tcon board. Good luck getting finding one. The first one i ordered from shopjimmy was faulty, didn't realize until after the warranty so i ate the cost of it (honestly i thought that it was good and there was another thing wrong with the tv) so i said wtf and bought one last week from ebay. Bam! it works great!!!

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1 Answer

My 52ince LCD Sony Bravia TV is started showing 2 vertical lines on each side, but they go away 20 minutes after starting TV. What is wrong?


The tv board call the T-CON decoders board have problems,that why colors vertical lines are showing up in the tv LCD screen panel.The T-CON decoders board,this board sit wright at middle bottom of the tv LCD screen panel.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish T-CON decoders board for the replacement.

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1 Answer

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Call for warenty repair,ur tuner board have problems.Or tries bring it back at were the store u buy it at.Return it exchange for another one.

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1 Answer

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I'm afraid, its problem of LCD Panel (screen).
LCD Panel replacement is only solution for this problem and will cost you 70% of TV price, please contact nearest Sony service center for LCD Panel replacement.

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1 Answer

Sony Bravia KDL-40V2500


The panel or TCON board has failed, the solution is the same replace the panel. Not worth the cost, get a new TV

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