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I have a Samsung 46 " LCD that is 2.5 years old. We had 3 capacitors replaced about 2 months ago, tv clicked but wouldn't come on.Now we have a new problem. The picture will be dark for awhile and then it will look normal. Even when the picture is dark, you can watch the tv but it is very dark. The picture will change from good to dark off and on but the majority of the time, the picture is dark. Is this a backlight issue?

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  • Robbie Orth Oct 16, 2010

    Thank you for the input. I have also read about a cable that usually goes bad with the T-CON decoders board. Do you see that as a problem as well or not with the symptoms that I posted? I really appreciate your help. One TV repairman totally ripped us off and I am an electrician and want to try to fix this problem my self. I paid $300 for 3 capacitors to be replaced and he was only here for 25 minutes plus the guy works for Best Buy and had a pocket full of parts from work. Live and learn.

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No,this problems it the T-CON decoders board problems.This board sit right in the middle bottom of the LCD screen panel.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish T-CON decoders board for the replacement.

Posted on Oct 16, 2010

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  • Chi Chu Oct 16, 2010

    Tries wiggling and shakes the cable that is connect to the T-CON decoders board.If the problems happen in and out ,than is the cable connected to the boad.Not,than it the board itself.

  • Robbie Orth Oct 18, 2010

    The TV was dark for 4 hours and then it came back to normal for the last 2 hours of the evening. Early this morning, I turned it on hoping it would be ok for football. To my surprise, the tv has a great picture and I have been affraid to turn it off. Is this still a symptom of a bad / faulty T CON decoders board ? Do they eventually go totally out and it is a gradual decline? Looking to try to minimize my cost of repairs, been ripped off on this tv as stated previously.

  • Chi Chu Oct 18, 2010

    This T-CON decoder board have problems as i stated earlier.It will still work in and out.Evenually,it will be dead.Than,it will be dark for good.

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The Capacitors on the Main Power PCB are failing which is why it's taking 3 attempts for them to charge before the TV will switch on.

These could be replaced for a few $ if you know someone with the technical ability and equipment.

Failing this it would require a new PCB at around $120 + fitting.

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