Question about Toshiba 40L2200U 40 in. LCD TV

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Picture after running fine for about 30 minutes the screen goes black buy vol is fine

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Back-light inverter board fault. Contact any service technician. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy. Surf the site with patience.
http://electronicshelponline.blogspot.com/ Pull up older posts there.

Posted on Mar 27, 2014

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Posted on Jan 02, 2017

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Video display will stop after the TV is running for a few minutes. Audio is fine, video goes black. Model 1913-tdxb, June 2007


The tv Long LCD inverter board it is dead.This long LCD inverter provide a backlight for the tv LCD screen panel to have a picture.Tries websites like Shopjimmy.com,Ebay.com to buy a reburbish a long LCD inverter board for the replacement.

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Ur tv now power on only have picture few mins,than dead,have sound only?Yes,than the 1 or 2 the long board call the LCD inverter boards are dead.The LCD inverter long boards help the LCD screen to have a backlight to produced a picture.Tries websites like Shopjimmy.com,Ebay.com to buy 1 or 2 long LCD inverter boards for the replacement.

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Screen Goes Black


it sounds like your "lamp" is going out look for a hidden compartment.. or in your owners manual to see where its located its an easy fix and costs much less than a new tv

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Screen goes black after a few minutes, switching off and on and picture returns then goes black again


Hi,

I have problem with my monitor, it is automatically switching off and switching on for 2 to 3 minutes for every 15 minutes why ?

Please mail me the solution to craju1@yahoo.com





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