[sdiy] Jupiter-6 Osc Sync?

[David Bulog]

JP6 is more like a Rev 3 MKS-80 then a Rev 4 MKS-80 BTW
On 10/02/2010, at 11:26 PM, cheater cheater wrote:

> I seem to remember there was something weird with the MKS80 sync...
> maybe it was actually RM, or something like that.
>
> Wish I could help you further
>
> D.
>
> On Wed, Feb 10, 2010 at 08:29, Doug Terrebonne <dougt55 at yahoo.com>  
> wrote:
>> Hi, I've got a JP-6 here where on 1 voice VCO1<-VCO2 sync does not  
>> work. Sync in the other direction on that voice does work. Can  
>> anyone explain how the JP-6 does osc sync? It does not use the sync  
>> onboard the CEM3340 (the pins are tied to ground) and all the  
>> service manual says is "sync is accomplished by external  
>> connections"... The service manual is here -
>>
>> http://manuals.fdiskc.com/flat/Roland%20Jupiter-6%20Service%20Manual.pdf
>>
>> The voice board schem is on page 16.
>>
>> Thanks for any help,
>> Doug
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>
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