Doepfer

Hello Dieter,
   We were thinking that it might have been an engineering change or something. The A-190 that replaced my old one had those 2 chips.Maybe the new A-190 was from old stock. Either way I'm very happy. My system works and sounds great!
  Thanks again,
  Shane

Dieter Doepfer <hardware@doepfer.de> wrote:
  

> -----Ursprüngliche Nachricht-----
> Von: Doepfer_a100@yahoogroups.com
> [mailto:Doepfer_a100@yahoogroups.com]Im Auftrag von Shane
> Gesendet: Sonntag, 2. April 2006 03:53
> An: Doepfer_a100@yahoogroups.com
> Betreff: [Doepfer_a100] A-110 Standard VCO tuning ...Update
>
>
> Hello All,
>  Just wanted to update everyone on my VCO tuning issue. Turns out that
> it was the A-190 MCVS causing the problem. Here's the kicker
> though...There were 2 chips missing from the circuit board! Looks like
> one of them was a CMOS chip of some kind and the other we didn't know
> what it was.

That's normal ! Since about 6 months we use a programmable microcontroller
with integrated program memory (instead of a microcontroller with external
28 pin EPROM and 20 pin Latch). This is why two circuits are no longer
required on the board.

Best wishes
Dieter Doepfer


    
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