[sdiy] Juno 106's 80017A structure

[Roman]

Hi, and welcome
I was searching info about 80017 a while ago and received great help from
the list, especially in private emails.
There's also this page:
http://monsite.wanadoo.fr/nikko909/page4.html
with replacement module but I'm affraid no schematic.

One BA662 controls resonance of IR3109, and second BA662 is completely
independent, and serves as VCA.

BTW IR3109 is rather easy to obtain, I've seen places where they wanted
about 5EUR for it. Or was it 15...

Roman

----- Original Message -----
From: "sergio koval" <kovalmoog at hotmail.com>
To: <synth-diy at dropmix.xs4all.nl>
Sent: Thursday, April 15, 2004 9:13 PM
Subject: [sdiy] Juno 106's 80017A structure


> Hi to all...
>
> My name is Sergio and I live in Barcelona (Spain).
> This is my first post to the list... and sorry about my
> poor english.
>
> Recently, I made an archeological work by opening
> an 80017A hibrid pack of an Juno 106, and inside it
> I found two BA662 and one IR3109 chips (in SMD
> format, of course).
>
> I know that the BA662 can be partially replaced
> with an CA3080... but I ignore if there are any
> replacement (even on discrete mounting) for
> the IR3109 filter chip.
>
> There are any info about it ?
>
> And, my next step will be to read the conecctions
> between those 3 chips... then, if you knows that
> somebody had made this diagram, please, tell me.
>
> Very thankful...
>
> Sergio
>
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