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Hi Chip,
Awesome!
For sure, the scanning of keyboard and front panel is a piece of cake.
But when it comes to assigning tones to voices there are different approaches.
And the icing on the cake must have been the arpeggiator.
Some guys have written, the POLYSIX arpeggiator is better than others.
Other places, some hickups are mentioned.
So did you make a side-side comparison of yours with the original Arpeggiator.
Or did you not go as far as that?
As for my clone works: I am now through 60% of the KLM-368 Chorus board.
Beautiful design, quite dense. But certainly worth the one or other hack.
But once cloned could easily find it's way into other analogue synths!
When I've got the 100% clone ready, I will start with a derivative replacing
the 3 obsolete 30$ bucket-brigade chips with more recent variants.
I few quirks in the docs with a short in the schematic, or part names missing.
But while overlaying the my PCB layout over the scan from the service manual,
I was so far able to correct all that stuff!
Attached are 2 screenshots working on KLM-368 schematic and layout.
For the voice board KLM-366, I seem to be not the only one who would still appreciate
a good quality scan of the board traces, if someone would have some?
Cheers,
Haitar
