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Picture works on t but there is no sound what is causing this? Tv is only 3 months old

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Check whether the audio is muted by accidental press at remote control button. Enter its sound menu, and check it. If muted, as you know there will be no audio output. If not muted, check the speaker/s. If found OK; check and replace the damaged component/s at its audio output section circuit board. If needy, 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. Surf the site with patience.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/

Posted on Apr 11, 2015

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Take it back to where you bought it. It's under warranty why bother.

Posted on Apr 11, 2015

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Tv is on with no picture or sound, only 4 months old!!


Hello
The power supply regulator board to your set has the fault. If you try to open the set, or try to repair it by yourself, the warranty will void. The set must have warranty as it is new. Why do you spend for it? Just contact the nearest authorised service center for Sceptre. the components in this set will be very hard to get from open electronic spare part market, and will costly too.

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Our tv is about 3 years old. We are a Time Warner cable customer. About 2 months ago we started to notice that the picture took a ong time to appear after turning on the set. The sound played for about...


I'm sure this is fairly easy to repair. It sounds likely to be a power supply problem, possibly due to bad capacitors. Your original symptoms of no picture were likely to be the backlight controller not having sufficient power to operate correctly. Ideally you should have it looked at and repaired then because leaving it to get worse may well have caused additional component failure. Get it checked by a reputable TV repair engineer.

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1 Answer

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Tv have a dead long board call the LCD inverter board.This long LCD inverter board,help to get a backlight to the LCD screen panel,to produced a picture.Tv only 3 months old,take ur warrenty repair,call the Dynex corp. for warrenty repair.

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If you can quickly get to menu before picture goes blank, then go picture / backlight / set backlight to minimum and it will work fine.

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1 Answer

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Unplug,replug the tv back about an hour later.Go into the tv menu,go to SOUND,go down to reset it to back to factory setting.The sound now should return,not,than ur tv the Tuner board have problems,call for warrenty serviced.

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The flashing may indicate a failed power supply. Or a bad backlight tube.

Only 3 months old? Any warranty?

Considering its age I would say a defective part or poor assembly is to blame.

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1 Answer

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I would just replace the TV, the parts are not going to be made to repair this. The set is just to old.

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Just because a machine has failed, there is no cause for you to call it a stupid TV. And as it is only 6 months old, why not take it to the Company service Centre? There must be warranty.

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