Sharp aquos tv turns on but no picture or sound

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Sharp Aquos LED TV - black/white screen (no picture) but sound

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Dec 17, 1 0 0. Still no picture at all. When this first started, I was able to get the Sharp logo after unplugging and reconnecting the set.

TV Power Light Comes On – But No Picture Or Sound

Now nothing seems to work. The TV is only 2 and one half years old and my extended warranty ended 6 mos ago. Please HELP!!! May 29, 2, 1 22, 1, It is generally just buy a board. There are used boards on e-bay from sets where the screen cracked. Take good pictures of all the markings on the boards in your set. Also watch a video on youtube to disconnect the flat ribbon cables without damaging anything.

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Previous Next Sort by votes. Rommick Estimable. Nov 10, 1 0 4, 0. No input indication, channel numbers, startup logo image, etc. TV remains on until around 5 minutes or so and turns off, which I believe it is supposed to do when left on with no input. Any ideas?

What Are Some Common Problems With a Sharp Aquos TV?

Jul 7, 0 20, Most likely somethings gone inside, probably be the power supply board not properly powering up the TV. Thats if it is the power supply board, it could be something else like the inverter. The repairer would investigate. One thing you can try that might indicate power supply board is remove the AC power and hold the TV power button in for 10seconds to drain the power.

Leave for a minute with AC still disconnected then connect the power and turn it on. You may get a picture for a few seconds or very dimmed - shining a torch at screen might help to see better.

You must log in or register to reply here. Replaced video board. Worth replacing power too? But the power is getting on and off. Now TV won't power down and computer no longer has any display. Question Has Power and Audio, but image is very faded. Post thread.Menu Menu. Search Everywhere Threads This forum This thread. Search titles only. Search Advanced search…. Everywhere Threads This forum This thread. Search Advanced….

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sharp aquos tv turns on but no picture or sound

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LCD Easy Fix (sound but no picture)

For a better experience, please enable JavaScript in your browser before proceeding. Previous Next Sort by votes. Jul 25, 1 0 10 0. But power and sound works fine. I opened my TV and disconnected and reconnected the ribbon cable, and now it shows white screen with some black lines. Visually every part under the hood looks good to me. If I get to know which part has the problem then I can replace and save my TV. Your help will be appreciated.

Please have look at this video to see how it runs right now. Please click here for the Picture. Aug 11, 0 It is possible that T-con is damaged.Made by Vizio.

The TV picture has gone out but sound still works. Screen is NOT cracked. The screen is black. TV powers on. The LED light comes on briefly. Screen sometimes flickers. The screen flickers in a dark room for a split moment. This is before the sound will come on. I removed the back panel cover and checked the boards.

I am not sure what to look for to see if a board or a part on a board is damaged. The sound works.

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Is there a way to check and see if one of the boards is causing this issue? If I do find the problem, is there somewhere to buy a new board for my TV at a decent price? Try a few simple things first to try and fix your TV before replacing parts… 1 — Unplug TV overnight.

If the 3 quick fix checks above do not resolve your issue, try this: Press the TV menu button. If no menu appears the problem could be a bad tcon display board or backlight inverter board. Turn off the room light and check TV for backlight glow.

If it has a glow then the problem can be a loose tcon connection or bad tcon board. Check connections. Turn the lights off and make the room dark. Shine a flashlight onto the screen at different angles. If you can see some of the picture then the back-light has gone out.

You can buy one online for a relatively low price. Usually the board will have a few bad capacitors on it. You could attempt to repair it yourself if you can identify which capacitor has gone bad. A capacitor kit for a TV board is ultra cheap. You are best off buying the backlight inverter board and installing it yourself. If you can still hear the TV sound then it may be the power supply board. Replacing the power supply is the last resort as if the sound is working but there is no picture, this is most likely not the issue but on SOME TVs this fixes the problem.

Main Board Bad? You may have a bad main board. There are videos below to help you to determine if you have a bad main board and how to test certain components on any type of circuit board in your TV. Main Boards for TVs. If you have a Vizio TV, Vizio has a year replacement warranty.

sharp aquos tv turns on but no picture or sound

If your TV is under a year old contact Vizio or the maker of the TV to see if it is covered by warranty. These links will help you to contact the manufacturer to file a warranty claim. Please leave a comment below to assist others in solving what may be wrong with their TV as well.

Your email address will not be published. Save my name, email, and website in this browser for the next time I comment.I have an Samsung TV and the screen is black. The TV picture flashes for a second or two and then the screen goes completely black. It is just a black screen with nothing else. I do hear sound even though the TV screen is black. I am unable to watch TV as the black screen is constant. Does this mean the screen or main panel is bad? What are some things I can check myself before I call for repair or warranty service?

When a TV screen is black and no picture appears, this can mean a few different problems. Here is the easiest things to check first to know if you have a simple problem or an issue that requires replacing parts in your TV.

sharp aquos tv turns on but no picture or sound

NOTE: Sometimes inputs are labelled incorrectly and this can cause confusion. Black TV Screen Solution 3: Try using different or new cables for the component you are currently using. Find out if your screen is faulty or cracked and research to see if a new screen replacement is worth buying vs getting a new TV. Check the ribbon connections of all boards inside the TV to be sure everything is connected and secure. There may be a few LEDs that are not working behind the panel.

Your email address will not be published. Save my name, email, and website in this browser for the next time I comment. Notify me of follow-up comments by email. Notify me of new posts by email. Leave this field empty. This site uses Akismet to reduce spam. Learn how your comment data is processed. I wonder what part it might need?

I was watching it a few hours before, and when I turned it back on the sound came on but the Tv screen is black. Please Advise. My TV is on but only a black screen shows. If i press the remote a red light blinks.

If i press menu nothing happens. How do i know which board needs to be replaced? Working on a seiki se50uy04, when powered on it will boot past the blue seiki screen with no issue at all. If you already have media playing it will even show a few seconds of that media before the screen blacks out.Menu Menu. Search Everywhere Threads This forum This thread. Search titles only.

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Jun 13, 2 0 0. Had tv on early this morning,opened the menu to see the model number and then I turned tv off without closing the menu. Now tv won't get a picture,Power light blinks 8 times red,Then turns to a solid blue. I beginning to think it could be a firmware issue. But I am not sure. Need help bad,This tv I was using as a monitor for my desktop computer.

Here is a little more info, This morning I did a the flashlight test and I can see menu No backlight though. And it does have sound. Parts are not interchangeable,except maybe LED strips.All fields are required. By clicking subscribe you are agreeing to receiving email communication from Sharp Electronics regarding Sharp consumer products.

sharp aquos tv turns on but no picture or sound

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How To Reset Sharp Aquos TV

The brightness level on my television increases and decreases constantly. Why does this happen?

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Active contrast will automatically adjust the image contrast according to the brightness level in the scene that is displayed. If your source is connected via HDMI, it will let you output audio from the digital output, but it will down-sample the audio and output 2-channel stereo.

Why am I getting a black square in the center of my television screen? Occasionally, the movie or video content will become jumpy or flicker. Are there any settings in the menu that can be adjusted?

Select a desired level to remove jerkiness from film content. What should I do? Make sure you have selected the correct Input Mode on the television.

Check the AC power to ensure connectivity. Once you have ensured the TV is turned On and the Menu guide displays on the screen, check for the correct output connection on the external source to ensure the cables are seated properly or properly inserted for the correct input connection on the television. This should produce sound from your television.

I am receiving another language or sometimes no sound at all on some channels. What can I adjust on my Sharp TV? For more information, please refer to your operations manual.

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