crackling from my source selector.

chainenoble · 29th April 2010, 12:49 PM

I have a nu-vista m3 integrated amp and when i jiggle the source selector I get a crackling sound and some times the left channel cuts out.Sometimes I get this crackling and have to wiggle the knob to get it to go away.I seam to only get it when theres music playing.If I stop the cd and wiggle the know I get nothing.Any ideals on how to fix this guys.

thanks
Glen

_-_-_Adam · 12:57 PM

That's arcing or harmonics caused by the sudden signal changes when the Contacts are making and breaking, popping inrush etc...
You need to replace the contacts or
clean them and cover them with *electrical* contact grease.

EDIT: I don't know what the device is your using I'm only commenting on what I've experienced that matches your symptoms, ie bad switch contacts.

avisschedijk · 8th May 2012, 08:06 PM

Hi Glen,

My Nuvista M3 seems to have the same trouble.... what did you do to fix the defect?

Thanks!

Alex

DF96 · 8th May 2012, 09:14 PM

Switch cleaner is the answer. Or possibly a bad solder joint somewhere near the switch.

29th April 2010, 12:49 PM	#1
chainenoble diyAudio Member Join Date: Nov 2004 Location: toronto	crackling from my source selector. I have a nu-vista m3 integrated amp and when i jiggle the source selector I get a crackling sound and some times the left channel cuts out.Sometimes I get this crackling and have to wiggle the knob to get it to go away.I seam to only get it when theres music playing.If I stop the cd and wiggle the know I get nothing.Any ideals on how to fix this guys. thanks Glen

29th April 2010, 12:54 PM	#2
_-_-_Adam diyAudio Member Join Date: Jan 2010	That's arcing or harmonics caused by the sudden signal changes when the Contacts are making and breaking, popping inrush etc... You need to replace the contacts or clean them and cover them with electrical contact grease. EDIT: I don't know what the device is your using I'm only commenting on what I've experienced that matches your symptoms, ie bad switch contacts. Last edited by _-_-_Adam; 29th April 2010 at 12:57 PM.

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8th May 2012, 08:06 PM	#3
avisschedijk diyAudio Member Join Date: May 2012 Location: Friesland	Hi Glen, My Nuvista M3 seems to have the same trouble.... what did you do to fix the defect? Thanks! Alex

8th May 2012, 09:14 PM	#4
DF96 diyAudio Member Join Date: May 2007	Switch cleaner is the answer. Or possibly a bad solder joint somewhere near the switch.

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