Quote:
Originally Posted by Marty C
I recall reading these units a very susceptible to dust getting in the controls. Especially the pots/knobs. Especially if it sat unused for a while.
Clean, compressed air did the trick that most people mentioned. You might also try contact cleaner. Hopefully Fishman can help you with that.
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Linda; Along with this information, I forgot to mention another "quick fix":
If the unit has not been used in some time, often there can be some corrosion build-up inside that jack. The quick fix is to plug in/take out a cable, 10 or 20 times (with the volume or power off!), and then try that socket again.
If you have any contact cleaner (like De-Oxit), spray a bit in the hole of the socket (again, power OFF on the unit) and plug in/unplug 10 times or so, quickly... wipe everything down and try that jack again.
This can work for "scratchy" sounds, as well...
This may be the quickest, easiest solution to your problem. Have you spoken to your sister to find out if "anything" happened while she used it? That will also give you a clue as to how to proceed...
Best of luck, and please, let us know the outcome!