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Static sound Hi, I own a Vestax PCV-180 mixer, and some of the pots are starting to develop a "crackle" when I rotate them. This occurs primarily with the EQ knobs (mostly the bass). Is there any way I can clean / replace the pots? I have looked in my owners manual, but can not find any service info for this (only cross fader replacement). Any help would be grand Ta, Matt

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Please bring an lubricant contact cleaner from radio shack near you and apply it in pots while you are moving it forward and back.

Posted on Aug 22, 2008

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There is a contact cleaner spray available at most stereo, tech stores, that may assist you with your dilemma. The pots or potentiometers are dusty. You could even just use air also to clean them out better. Just some advice hope it helps..

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It sounds like you may have a bad cable. The most common place for a small gauge cable (such as RCA, TPS, XLR, etc) with metal connectors to fail is in the stain relief which often fails to live up to its name. An easy way to check this is to grab the cable near the connector and wiggle it. If the sound crackles and changes volume levels suddenly then you may want to try a replacement cable. If the replacement doesn't help, you should use a contact cleaner such as "Blue Shower 2" that is approved for electronics use. Make sure your mixer is switched off and disconnected from its power source before using any cleaners to avoid any risk of electric shock. Apply the cleaner to all exposed output connectors on the mixer. Hope this cleans up your output prolems

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I have my pioneer djm 600 for about 5 years. I went to sell it the other day and turned it on. It worked perfectly except it was only playing through one speaker. I checked the speakers and they were fine....

You've got dirty pots mate! You need to clean all the dust and **** from inside the sliders and the circular trims. The plastic shaft ALPS pots in the DJM600 don't have a sealing bush so if you pull the knob off and spray some "no-residue contact cleaner" down the shaft you may get it to the bottom. DO NOT use WD40 as that leaves an oil and will clog the pots (as the oil will eventually mix with new dust and make a gloopy paste) This would then break the sweeper contact with the resistive surface.

Virtually all the ALPS pots on the 600 are stereo so as you have lost a channel some of your pots have lost connection already. Cleaning may help but if not you may need to strip down desolder the troublesome ones and replace (or if your feeling brave bend open the tabs and clean internally)

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apply some spray (lubricant contact cleaner)from radio shack-----to master gain volume and move it up and down many times.

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