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#1
Posted to rec.audio.tech
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One stereo channel intermittent
Hello,
I have an old hifi connected to the Line Out of my computer. I've had the same problem with two different motherboards, and wonder if anyone else has had a similar experience and can help. After a few minutes, the left channel becomes very faint and distorted. Unplugging the stereo jack from the computer and plugging it back in is the only way to make it come back. Does the unplugging action do something to jolt the bad channel back to life? Is my hifi damaged? Thanks, Jack |
#2
Posted to rec.audio.tech
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One stereo channel intermittent
wrote in message oups.com... Hello, I have an old hifi connected to the Line Out of my computer. I've had the same problem with two different motherboards, and wonder if anyone else has had a similar experience and can help. After a few minutes, the left channel becomes very faint and distorted. Unplugging the stereo jack from the computer and plugging it back in is the only way to make it come back. Does the unplugging action do something to jolt the bad channel back to life? Is my hifi damaged? Thanks, Jack sometimes this is an oxidized switch contact... like maybe a dubbing switch or a pre out / line in switch. try spray cleaning the contacts with something like de-oxit and/or working the switches on and off. of course the problem could lie elsewhere, but try the cheap and easy fixes first. (also try reversing cables left to right to see if the problem moves or not. |
#3
Posted to rec.audio.tech
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One stereo channel intermittent
wrote in message
oups.com Hello, I have an old hifi connected to the Line Out of my computer. I've had the same problem with two different motherboards, and wonder if anyone else has had a similar experience and can help. After a few minutes, the left channel becomes very faint and distorted. Unplugging the stereo jack from the computer and plugging it back in is the only way to make it come back. Does the unplugging action do something to jolt the bad channel back to life? It can. Is my hifi damaged? Since the problem appeared with two different sources, it is probably due to either your wiring or the old hi fi. There's a problem where a connection or switch contact becomes covered with an insulating film of corrosion that plugging and unplugging temporarily "punches-through". The failed contact or connection may be different from the one that you are plugging and unplugging. |
#4
Posted to rec.audio.tech
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One stereo channel intermittent - SOLVED
TimPerry wrote: wrote in message oups.com... Hello, I have an old hifi connected to the Line Out of my computer. I've had the same problem with two different motherboards, and wonder if anyone else has had a similar experience and can help. After a few minutes, the left channel becomes very faint and distorted. Unplugging the stereo jack from the computer and plugging it back in is the only way to make it come back. Does the unplugging action do something to jolt the bad channel back to life? Is my hifi damaged? Thanks, Jack sometimes this is an oxidized switch contact... like maybe a dubbing switch or a pre out / line in switch. try spray cleaning the contacts with something like de-oxit and/or working the switches on and off. of course the problem could lie elsewhere, but try the cheap and easy fixes first. (also try reversing cables left to right to see if the problem moves or not. Thanks for the advice: I tried first with malt vinegar, but that didn't work. Then I tried with gin, and it has been going fine ever since. |
#5
Posted to rec.audio.tech
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One stereo channel intermittent - SOLVED
wrote in message ups.com... TimPerry wrote: wrote in message oups.com... Hello, I have an old hifi connected to the Line Out of my computer. I've had the same problem with two different motherboards, and wonder if anyone else has had a similar experience and can help. After a few minutes, the left channel becomes very faint and distorted. Unplugging the stereo jack from the computer and plugging it back in is the only way to make it come back. Does the unplugging action do something to jolt the bad channel back to life? Is my hifi damaged? Thanks, Jack sometimes this is an oxidized switch contact... like maybe a dubbing switch or a pre out / line in switch. try spray cleaning the contacts with something like de-oxit and/or working the switches on and off. of course the problem could lie elsewhere, but try the cheap and easy fixes first. (also try reversing cables left to right to see if the problem moves or not. Thanks for the advice: I tried first with malt vinegar, but that didn't work. Then I tried with gin, and it has been going fine ever since. i have used denatured alcohol for cleaning electronics and tape heads but if a potable beverage does the trick i guess we all will have to gin and bear it |
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