Discussion about the Korg PolySix synthesizer

VCF Cutoff: = a check  ic 15 / 45600  for klm 366 

 

Resonance :   and necessarily a 5558 no remember what ic

 

De : PolySix@yahoogroups.com [mailto:PolySix@yahoogroups.com] De la part de
7yash
Envoyé : samedi 10 novembre 2012 23:40
À : PolySix@yahoogroups.com
Objet : [PolySix] Re: Polysix restoration: LEDs, Sub-Osc LFO issues.

 

  

Yes, the LFO LED works. I have changed the 13600's for 13700's.

Wish I could at least start to get some control over Cutoff Frequency &
Resonance.

Current diagnosis:

VCF Cutoff: Not working
Resonance: Not Working
EG + Keyboard tracking: Not working

MG Frequency: Not working
Delay: Not working
Level: Not working

VGA ENV: 
Attack, Decay, Sustain, Release; Not working

PW/PWM: Not working
PWM Level: Not working

Yash

--- In  <mailto:PolySix%40yahoogroups.com> PolySix@yahoogroups.com,
"philippe.69" < <mailto:philippe.69@...> philippe.69@...> wrote:
>
> - LFO = if the LED still active and must be changed IC21 13600
> 
> 
> 
> De : PolySix@yahoogroups.com <mailto:PolySix%40yahoogroups.com>
[mailto:PolySix@yahoogroups.com <mailto:PolySix%40yahoogroups.com> ] De la
part de
> Malte Rogacki
> Envoyé : samedi 10 novembre 2012 21:57
> À : PolySix@yahoogroups.com <mailto:PolySix%40yahoogroups.com> 
> Objet : [PolySix] Re: Polysix restoration: LEDs, Sub-Osc LFO issues.
> 
> 
> 
> 
> 
> In my opinion this particular error is probably unrelated to the previous
> problems.
> 
> If you look at the schematic you'll notice that those parameters are not
> controlled via the D and P lines on CN06; instead the are multiplexed and
> passed via CN11.
> Could indeed be a 4051 or one of its lines acting up.
> 
> 
> 
> 
> 
> [Non-text portions of this message have been removed]
>





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