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#1669390 - 07/05/20 08:36 PM VS-840 disassembly and repair
DCore Offline
Planeteer


Registered: 03/02/20
Posts: 65
Loc: Washington State
I have several VS-840 recorders and they are of varying degrees of health. I bought the latest ones as instructional projects/ how to disassemble and diagnose/repair them. One of them failed the internal diagnostic for the faders. I researched the faders and found I could no longer order them. I discovered a way to disassemble, clean and rebuild the faders. I also found parts donor sliders on Ebay. I bought the donor pots and disassembled, removed the sliding portion and installed it into the 840's cleaned sliding pot case. The pots all work and pass the diagnostic test. I also replaced a dodgy tactile switch that now works. I found the sliders for $1.50 ea because the entire pot was not available. The tactile switches are less than $1 ea. I am now trying to locate the cue pots part number...I will post all the parts information plus links to informative websites about how to rebuild pots.
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#1669392 - 07/05/20 08:52 PM Re: VS-840 disassembly and repair [Re: DCore]
DCore Offline
Planeteer


Registered: 03/02/20
Posts: 65
Loc: Washington State
Original VS-840 sliding pot part number EWA POAC 10B54 50KB

Donor pot P/N EWA Q12 C10 B14

Imgur link VS-840 https://imgur.com/gallery/XdcXwSU

https://www.youtube.com/watch?v=V4LIFUzgpjs

https://www.keithrobertmurray.com/articles/potentiometer-cleaning-showdown.html

https://www.keithrobertmurray.com/articles/odyssey-double-rebuild.html

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