Picture clear, then "grainy" can hit TV and will clear up
Just started doing this; is this something that can be repaired or is it time for a new TV? Picture will be clear, then change to a "grainy" picture--but we can hit the side or top of the tv and it will go back to clear--sometimes for 5-6 hours, sometimes less.
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a dull picture is usualy caused by the z-sustain board but i have known the y-sustain give the same symptom sorry cant be any more help these boards can run quite expensive try getting used ones from ebay i would go for the z-sus first
You have a couple of options.
1. Turn down the sharpness on your TV. Too much is overkill, anyway.
2. Whilst watching any movie, hit the triangle button for the movie settings & options. Turn up the noise reduction to +3, also the "mosquito" noise to +3.
These should give you a less grainy picture. Enjoy!
This is a classic example of a bad connection that sufficiently changes a circuit characteristic to cause a problem. If you can solder, you can fix this yourself. Look for any connections on the board that appear grainy or have rings and resolder them. That should resolve the problem. Note: there are potentially dangerous high voltages present inside the set even when unplugged. So be careful.
Well see if it happens again, it may have been a one time thing. but try reconnecting the AV cables to the tv or change the picture settings on the wii setup options. But this is important, is the picture grainy, or is there vertical black lines? if its black lines, i have the same problem and the only way to fix it is to send it to nintendo and theyll give u a new console. its due to overheating and the graphics card gets fried
I have a two and a half month old Sharp, LC-19SK24U-W. It was fantastic with fantasic, clear, beautifully colored picture until two weeks ago. All of a sudden, the picture starting getting darker and darker. Nothing had been adjusted from day one when I set up contrast, etc. This comes and goes but most of the time is an issue. I can make it a bit lighter but then it is so fuzzy and grainy it is a very poor picture. Also, while this began, one time the television turned itself off and then back on without a power surger or anything.
First thing you should try is unplug the set for several hours. If you have the same problem, then you are going to have a system control issue and or a standby power supply issue. These problem, unless you know how these circuits work in a TV set, will need to be looked at by a trained tech. Good Luck
Symptoms are not related,what you hear is the high voltage turning on and that is normal if it only does it for less than a second,the grainy picture might be intermitant,dont turn it off,when the picture is grainy tap the side of the set to see if it racts and if it does you know you have a loose conection.This could be outside because of a loose ground on tha cable or inside in the tuner.