[sdiy] Roland Promars second oscillator schematics?

Senso senso at dds.nl
Sun Aug 14 02:08:15 CEST 2005


At 21:55 +0100 13-08-2005, Steve Lenham wrote:
>
>>  >Does anyone have the schematics for the Roland Promars (relatively
>>>rare monophonic version of the Jupiter-4)?
>>>
>>>I'm interested in the unique second oscillator board (not shared by the JP4)
>
>>But could that be the "VCO-9A" board (PCB 052-439A) ?  I've got a 
>>neat drawing of that here.  ;-)
>
>Yes, that's the one - it is mentioned in the JP-4 service manual but 
>no further details are given; the text says that it is really just 
>the VCO section of a JP-4 voice card, but I would like to see how 
>the CV and (de)tuning pots are wired up.


OK, I'm sure I'll have some time this weekend to up a scan. I'll send 
you the link as soon as it's there. ;-)

Senso

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