Rotary switch encoder problem

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mg73

Well-known member
Joined
Dec 9, 2005
Messages
163
Location
sweden
Bought an MPC with a broken encoder according the previous owner
bought a new one same problem then got an replacement from the seller, same problem.

So I suspect that the MPC is not register the encoder correct
I tried with a encoder with less detents and that worked
so I reckon that MPC is sensitive to how narrow the pulse width is from the encoder,
not sure i'm definitely not an switch encoder-pro.

Any idea where to start to look?
the 5v is good, and both legs on the encoder have it thru the 4k7 resistors

Attached schematic.
 

Attachments

  • MPC3000_SERVICE_MANUAL.pdf
    348.5 KB · Views: 8
Seller was full of shit sold me two bad ones :mad:
Borrowed a friends MPC same problem!
 
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