Discussion about the Korg PolySix synthesizer

I'm happy now because i finally could fix my POLYSIX, the problem was 
the quartz, both quartz were failing, so i want to say thanks to 
Johannes, Greg Montalbano and Old Crow for the Support !!! They did a 
great job !


Greetings and happy holidays,

oxygeno1313


--- In PolySix@yahoogroups.com, "oxygeno1313" <oxygeno1313@y...> 
wrote:
> 
> 
> Hi everybody,
> 
> i'm new here in the group,, and i got a problem with a P6. The 
first 
> thing, is the KLM-367 board, was a victim of the battery leackage, 
> but someone made the repair before i bought the P6. I discover that 
> the control pots have some latency and tjhere's no clean sweep on 
the 
> pots, sounds like steps and latency. i checkd every trace that goes 
> to the CPU 8048 and all the traces are fine, i used a DVM to check 
> them. Also i replaced the bus drivers 74LS08 and everythings is 
fine, 
> i cannot find the fail. 
> 
> The 2nd problem is the key assigner, something is wrong ! When i 
play 
> the keyboard exhist some latency after i play a note, the ARP are 
not 
> rhythmic, there's like .... 1-22222-3-4-5555-6 it should be 1-2-3-4-
5-
> 6, some notes hang some milliseconds but not always is the same 
VCO. 
> I exchanged the 8049 and replaced some IC's related to the CPU, but 
> the problem persist. I check too many times the connectors and 
> traces, but nothing out of normal. 
> 
> 
> I was searching and reading almost all the messages from this 
forum, 
> but seems that this is thhe first case of this problem. 
> 
> 
> Hope someone can help to find the problem.
> 
> Regards,
> 
> oxygeno
> 
> P.D. Sorry for my bad english ! Cheers