High audio static on all but one channel of my RCA TV
I was watching TV yesterday when the channel I was watching suddenly had so much audio static I couldn't hear the program. I switched to other channels. They were all fine. I turned the TV off and came back later to find that all channel now have the high audio static except one--TBS. I hooked another TV to the cable jack to ensure it's not the cables. Other TV works fine. Any idea what causes this?
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Re: High audio static on all but one channel of my RCA TV
Had this problem for a while only just found the cause, its either your tuner flipped out which means you just neded to retune the tv and it should be fixed if not that there was this setting i found still not sure what it is or means but you could select these letters i think there was S, BG and some other ones but i changed it to the top one which was BG and it fixed the static sound with the clear picture problem just stuff around with the channel settings and see if you have that setting hope that helped
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Jan 7, 2010 - 26 posts - 15 authors
Hi, I have a Samsung LN40A550 LCD TV which I have had for just over a year. ... I was watching TV yesterday and all of a sudden the picture went all. ... started makinga very high pitched buzzing sound with no picuture coming on. We did have a bunch of green vertical lines, but now just a black screen.
The static you are getting on your TV is because the TV is not on the correct channel or input setting. With the 311 receiver, there is either a coax or an RCA cable (yellow, white, red) going from the receiver to the TV. If you have a coax cable, the TV should be on channel 3 or 4 (usually channel 3). With the RCA cable, the TV should be on an input setting. You'll need to go through your input settings until you find the picture. Of course your DISH receiver needs to be powered on. I hope this helps.
Can you hear any audio? Look behind the TV, you should see some light emitted from a grill back there. If you hear audio and it appears you can change channels and what not, you lost at the very least your back light, which can be replaced , or worse the power supply to the back light which will cost you a bit more than the already expensive backlight.
try changing the channel you outputing to. go to your tv1 location hit the menu button and choose number 6 system setup then number 1 instalation then number 5 modulator setup then change tv2's channel to like 65 then select done go to your tv2 put on 65 and see if this helps issue
Your problem is somewhere between the tuner and video detector circuit.
The signal entering your TV carries: video,red color,and blue color as well as sychronizing pulses for color and horizontal and vertical deflection ( actually vertical sync. is derived from horizontal sync.) along with burst pulses to synchronize the color. After all these, the sound is an fm signal entwined with a pilot signal for stereo audio. WHAT a mess!
After the audio passes through all this, it is detected and sent to the audio processor.
If any frequency has drifted away from it's value then you loose the sound.
SO... your problem could be in any of the tuned circuits or in the audio processor IC (chip). Any component changing value could creat this problem. Most likely the audio processor IC. You'd need to have the set checked out by a tech to find your problem.