Question about Sharp Aquos LC-46D62U 46 in. LCD HDTV

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Red Blinking Power Light Sharp Aquos

When I tun the power on my TV the red power light blinks 4 times and tv does not turn on. Any ideas?

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  • tvarey Jul 23, 2008

    i also have this same problem on my sharp Aquos 37 inch LC-37x20e, if you hold the power button down it blinks green then goes back to red after bout ten seconds, had an engineer out and he couldn't even fix it, says he's never seen this before and suggest's i get sharp to change my TV, but they said this could take up to ten working days. What a joke!! and sharp are supposed to be reliable, i think not.

  • lydanosoriof Nov 26, 2008

    I have the same problem. Did you solve it?

  • Anonymous Mar 14, 2014

    Power red lights blinks tv won't turn on

  • Anonymous Mar 23, 2014

    tv red light blinks 14 times but still won't turn on

  • Anonymous Mar 29, 2014

    It won't turn on only the blue power light stays on

  • Garland R Peabody II
    Garland R Peabody II Sep 03, 2014

    NO LIGHT .

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What do three blinks of the power light mean on my Sharp Aquos LC-C5262U? I cannot power up my display.

Posted on Sep 07, 2008

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These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electronicshelponline.blogspot.com/

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These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience. If blinks continue without any pause, the main board is faulty.

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Normally one red blinking power indicator means your television needs a main board and or a power supply. The television would need to be evaluated and if you need a power supply only perhaps the service provider can rebuild it for less than $200. If the television needs a main board perhaps Sharp will work with you if you have an estimate. If you really have an aquos television 46 inches or greater you can get assistance at 877-332-7867

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Right now your TV is in " Protection Mode " because of a failed part inside. The blinking red light is a error trouble code. Only someone with the actual Service Manual for the TV will know what the code means. Most likely the TV has a power supply related problem. It's possible that it maybe a bad capacitor or transformer on the power supply board. The most common board to go bad is the Backlight Inverter Board. It what supplies power to the screen. But, I can't say it's 100% the problem because I can't actually look at the tv over the internet. I can only make guesses with the symptoms.

You have a few choices:

1. You can try leaving the TV unplugged for 30 - 45 minutes so the TV can discharge and reset itself.
2. If by chance the TV is still under warranty, go that route.

3. 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.

4. Pay a TV shop to do the repairs. It maybe costly, but get an estimate of how much they will charge. That way you can decide if it worth repairing or replacing the whole TV.


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

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If the blinking light seems to be blinking in a pattern, then it is an error code. The end result in any case, is the main power supply is not functioning properly, or the backlight power supply has a problem.

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