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My toshiba 40xv551d lcd tv wont turn on and there no power going to it but the fuse is fine

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Posted on Jan 02, 2017

dsacco86
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SOURCE: poloroid lcd model tlx-04011c wont turn on,,red

Most likely the TV has a power supply related problem. It can still have a problem without blowing the fuse. The most common thing to go out is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board.
But, I can't say it's 100% the problem because I can't actually look at the tv over the internet.
If by chance the TV is still under warranty, go that route.
If not under warranty and If you have some electronic experience, if you can find and purchase a Service Manual over the internet; It will help you diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you red light blinking codes, circuit diagrams, test points, and part# lists. Usually, cost under $20. And most cases the new part cost less than $15.

I hope I shed some light on the subject for you.

Posted on Jul 05, 2009

aymantn
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Posted on Mar 17, 2010

freetek
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SOURCE: my toshiba 40xv551d lcd tv

You might try pulling the AC plug overnight in case it is simply a 'lockup' of an IC. If it still will not turn on, it is likely that the main power supply has failed and must be repaired or replaced.

Posted on Mar 07, 2011

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1 Answer

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1 Answer

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To start, the module with the blown fuse will have to be replaced. The rest of the boards will have to be verified to know which other ones may have been the cause of the failure.

You will have to give the set out for factory service to have it working again.

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3 Answers

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