How to fix electric guitar AMPs that have Scratchy pots?

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If you have some scratchy sounds when you adjust your amps volume it may be time to clean them. Here I have a Roland DAC-50D amp that has this issue.

You can use electronic cleaner but as an electrical engineer I have often used isopropyl alcohol for pcb cleaning and it seems to work a treat.

#NewsonsElectronics

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If you have any questions just ask them below.

NewsonsElectronics
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Worked very well for me, thanks for the video.

alecaventura
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is this type of amp safe to work on? Do caps hold charge?

avalanchekiddo
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Sadly my amplifier pots don't look anything like that on the back, it's a square with some tiny holes and not this circle with the entrance where you can spray the contact cleaner...

bitcoindevote
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Isopropyl alcohol has water in it. I’d use something different.

brianohamill