My speakers hum even when volume is set at lowest setting and static noise after it has been turned off, how do I fix it?
Audio Players & Recorders - Boston Acoustics - Duo-i Horizon Clock Radio
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Answers & Comments
Hogwash, memory cap has damaged micro. Unit turns off briefly, there are no relays by the way, and then it comes back on by itself in a no signal mode and what you hear is amplified white noise.
This isn't really a solution, but it does work. Mine does the same thing, and I found on another forum, some one suggested that once the power is off and it starts to hum. Smack the back left top (as your are facing it) and it will stop the buzzing. I was hesitant at first, but after many fruitless searches, I gave it a try. It does work, but you have to hit it fairly hard and it may take a couple tries to get it to stop. I still can't believe no one has found a solution to this, it seems to be a common problem. If someone is a tech person, please way in on this, I am willing to take this thing apart, I just don't know what to look for. It appears that they use relays to delay the time for powering on and off the amp, once the 2-3 second delay is over after powering off, the speakers buzz loudly with a static noise.
This isn't really a solution, but it does work. Mine does the same thing, and I found on another forum, some one suggested that once the power is off and it starts to hum. Smack the back left top (as your are facing it) and it will stop the buzzing. I was hesitant at first, but after many fruitless searches, I gave it a try. It does work, but you have to hit it fairly hard and it may take a couple tries to get it to stop. I still can't believe no one has found a solution to this, it seems to be a common problem. If someone is a tech person, please way in on this, I am willing to take this thing apart, I just don't know what to look for. It appears that they use relays to delay the time for powering on and off the amp, once the 2-3 second delay is over after powering off, the speakers buzz loudly with a static noise.