Donkey Kong - Bad Vertical Adj Pot

oktobernv

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Donor 2011
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I have a bad POT on my Donkey Kong main board

It's the "vertical position" adjustment POT at location "VR2"

The board says 50k / 30k

I found this on Bob Roberts site http://homearcade.org/BBBB/ninpots.jpg


I'm not sure if I need the 30k pot or the 50k pot for the Vertical Adjustment at VR2??

Any advice?

Thanks as always

Rob
 
I checked the current pot

it's old and if there were any markings on it....they are long gone :(

Any know which is the correct pot for the Vertical adjustment?

50k or the 30k?

Thanks
 
The board is labeled saying it can take either. I would install 50Ks as you can go from 0-50K resistance, the 30K would obviously max out at 30K. You will get more adjustment capability with a 50K, it will just be more sensitive to adjustment.
 
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