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I HAVE A 15 INCH SHARP AQUOS TV IT IS ABOUT 2 1/2 YEARS OLD IT IS ONLY USED FOR ABOUT 2HRS PER DAY. TURNED ON THE TV TODAY A THERE IS A BIG GREY SPOT INBEDED IN THE UPPER CORNER WHERE THE POWER BUTTON IS. THE MODEL IS LC15SH6U ANY IDEAS
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How old is the TV? It could be a problem with the inverter or the LED/LCD panel. Try removing all cables from the screen for at least 15 minutes (including power) and then reconnect and power on the TV. Sometimes a dim spot can appear if the inverter isn't working correctly and dissipating any residual power can help.
Good day!!! That problem is cause of faulty capacitors on the power supply... just look at the actual image of it through visual check if the capacitors look like leak/bulged on top you need to replace it to end that problem... hope it helps... \thanks for using fixya..
Call Sharp for warrenty repair.This problem very common in Sharp tv.Picture will come on turn power on/off button few times will work.But still under Wareenty call to Sharp to replaced the main Tuner Signal board.
This is basically a message for no signal on the tv, make sure the tv itself is on the correct input for the type of cable used. The inputs are labled by numbers on the back of the tv. The input can be changed by the button on the side panel of the tv.
I had a similar problem and I believe the problem is with the high voltage circuit and ccfl transformers. If you know electronics you may be able to find the chips that provide the power input to the CCFL transformer (I had two transformers and 4 FET's). You will also need a micro soldering station and excellent soldering skills to replace the flat packs (SMT). Hope this helps.
When I first bought my Sharp Aquos 42 inch TV...I started having sound problems...turned the volume way up to 60 maximum and could hardly hear it.
Then after the TV was on for 4 or 5 hours, there would be crackling chirping popping noise. It seems after the TV heats up for awhile...there is MAJOR sound problems.
So I was advised to buy a Sony surround system and connect it to my TV...deactivate the TV volume and use ONLY the surround sound. I did that...but the surround audio cables are connected to the back of the TV and I get the exact SAME problem with chirping and crackling sounds after the TV heats up.
SHARP IS NOT BEING HONEST WITH CUSTOMERS.
There should definitely be a RECALL on the sound board.
Replacing it does nothing....the overheating of the TV just damages the new sound board and the TV has to be repaired again and again.
Please be aware that this a big problem on this unit. The insulator material used by sharp to between the IC's on the AV board both on top of the boards and underneath the the AV pcb is failing. This insulator is mounted to the IC and under the metal heat sinc. Remove the back and pull the AV Board out of the unit. Use zylene or alcohol and clean all of the grey insulator from between the pins on the ic and order the replacement insulators from Sharp. Most times this will correct the no sound problem. Sometimes this has also damaged the AV pcb and it will have to be replaced. The parts that should be replaced come in a kit with sharp part # PSPKIT663WHZZ. If the kit is not available the 2 parts needed are PSPAZA663WJKZ AND PRDARA216WJFW.
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