5 Pot controllers were damaged. How can I get volume?

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5 Pot controllers were damaged. How can I get volume?

by Patti
(Stockdale,TX)

Unfortunately my Father had the bright idea of cleaning my pots using WD 40 and it appears they are toast. Since I pretty much just use it as a piano it's not a huge loss if I can get volume through another means.

Nothing seems to work. I tried assigning vol to knob a and nothing happened. I also bought a Quick Lock foot volume controller, but that doesn't work either.

Does anyone know if I have any other option? I hate to think my keyboard is now dead!

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5 Pot controllers were damaged. How can I get volume?

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Dec 21, 2009
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5 Pot Controllers
by: Alfred

Dear Patti: There may be other members of this Forum who know what you are talking about, but I find it difficult to offer any advice as the info provided is too scant. What Yamaha model do you own? It seems from your comments as though it has multiple volume controls. If so, would you know from opening the unit if there is a main volume lead split into 5 ? If you can identify that there is such a main lead, one POSSIBLE (?) solution is to connect the tails of that lead to a new Volume Pot and thence to the speaker(s).
Post a message in this Forum if this helps.

Jan 18, 2012
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Damaged Pots NEW
by: Alun in the TreeHouse

I live in the tropics and the problem of noisy pots is common here. They seem to dry up or get corrision on them especially if they have not been used for a while. I am talking about the analogue carbon trak pots or sliders.... not the digital switching pots.

I am reluctant to blame your Dad as I have used WD40 also but only if I can absorb any extra spray with a cotton bud or similar.

I do have to say that some carbon tracks appear to not like the spray and it could cause the carbon coating to bleed.

I talked with a professional keyboard technician and he advised me to just wipe the carbon with water and dry it. Seems to work fine too but I do not know how long it will be good for.

I am not sure what you mean by 5 pots but if the pots were sort of working prior to the cleaning exercise than you may have broken a connection to one of the pots.

A common problem with electonic equipment that has physical connections like pots, sliders, switches and sockets etc. is that it is the first place to look for a dry solder joint or broken connection. The constant use often leads to a physical failure.

Good luck

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