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I have a Sharp Television LC-43UB30U 4K Ultra that has problems. Can anyone help me determine exactly what component inside the television is bad based on the details of the symptoms?

It has vertical bands on the picture that contain fast moving colorful horizontal lines. It appears as a snowy picture. Sometimes the picture flashes between tinted light and dark colors. Sometimes it has flickering horizontal lines that come and go intermittently. Every once in a while, this problem clears up but then comes back right away. It happens on every input and also causes distortion of the menus also.

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  • Sharp Master
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Hi try turning the eco mode and also the light sensor off,thanks

shaun

Posted on Feb 13, 2017

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6ya6ya
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Posted on Jan 02, 2017

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It means exactly what it says, the signal coming to your television is weak. It is usually bad connections in cable, incorrect aerial positioning in over air or satellite signals.

Remove any input plugs, and check that the wires aren't oxidized, that they are shiny and clean.

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Amazon.com, Inc.Buy Panasonic TX-48CX400B 4K UHD 48 Inch TV (2015 Model) at Amazon UK. ...PRO GOLD RED HDMI v2.0/1.4a HDMI Cable 3D 2160p PS4 SKY HD 4K Ultra HD ...This tv offers excellent picture quality through HD sources and Netflix HD and ... TVand PC are both connected to my network switch with Ethernet cables).

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LC-C6554U HDTV AGUOS 2 GREEN LIGHT FLASHING, NO PICTURE NO SOUND


Did you ever find a solution to your problem? I have the same set doing the same exact thing.

Thanks

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1 Answer

Sharp Acquos power indicator flashing and won't turn back on


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1 Answer

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this is not i a job you should do your self as it could do more damage than good this would be a job for a tv repair person.
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as an extension cord could definitely cause this problem too.

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1 Answer

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1 Answer

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2 Answers

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I have a Sharp LC40LE511E. There is some sort of fault and I don't know what it is? Blinking LED lights, no picture. So, when plugged in, the power LED is red as it should be on standby. Press on button either on the TV or on the remote, and it flashes green as if it is about to come on, then it flashes back to red, and then blinks between green and red until unplugged. I have shined lights up close, but the pixels seem completely off so I don't think it's the backlights. It could be the backlights if the TV somehow knows and is preventing them from turning on, but it just doesn't feel like that's the problem. All the capacitors are fine, and in fact, all the boards and components look in quite good condition. As it is flashing green and red, I figured it could be a reset issue. The previous owner had no remote so perhaps they kept over pressing certain buttons on the TV it's self, causing some sort of crash. So, I have tried the old unplug, volume down and channel up, plug in, turn on etc. Nothing happened. Not sure if that was the right way round for this model but it seems to be the standard reset for all of them. Yes there are slightly different variations, but that is the only one I have tried, both with the onboard buttons, and the new remote buttons. The remote is legit and seems to work perfectly fine. Tried asking the justanswer.com people, and never got a direct response re: the actual fault code that blinking red then green, means. If anyone could at least tell me that, I could be on my way to figuring out what is actually wrong with it, or how to reset it. As the pixels seem to be completely off, it may be a power board failure, but then, why would it be teasing me with flashing green? I am perplexed. Any ideas would be much appreciated thanks. It's 109 pound for a new one, so it's really not worth getting anyone to take a look.

Sep 17, 2019 | Sharp Televison & Video

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