[sdiy] Soviet EM-14 combo organ chip ID help... 'command generator'?
Bob Weigel
sounddoctorin at imt.net
Mon Jan 31 11:15:17 CET 2011
On 1/30/2011 6:25 AM, ASSI wrote:
> [you'll need to look at this in UTF-8 due to the cyrillic]
>
> On Sunday 30 January 2011, Bob Weigel wrote:
>
>> K561TB1 it kinda looks like...
>>
> K561TW1 = К561ТВ1 = 4027A JK-FF
>
>
>> K561(upside down U..)H2 ..lol
>>
> K561LN1 = К561ЛН2 = 4096A inverter
>
>
>> KPEH2b where the 'b' looks kinda like a 6
>>
> KREN2b = КРЕН2б ...it's a voltage regulator, but I have no pinout.
>
> If you can make sense of the circuit with an LM723 pinout, chances are good
> that you can actually pop in a 723.
>
>
>> K1012(backward N)(upside down U)1 and K1012K3
>>
> K1012IP1 = К1012ИП1 = ?
> K1012K3 = К1012К3 = ?
>
> Can't help you with these, are you sure about the markings? Anything
> K(R)1012* seems to be all over the map, sometimes MOS MSI, sometimes linear
> IC. Like, the КР1012ГП1+КР1012ГП2 pair is actually a dual top octave
> generator, delivering twelve semitones each (you can use it as a TOG by
> skipping some outputs). The EM-14 should actually have КР1012ГП3=К145ИК15
> ("generator for high tones", supposed to be like EN805 or EN905, whatever
> those are) and КР1012ИК2=К145ГП1 (MM5824N - sounds about right for an organ)
> for it's generators according to some russian forum posts, so it appears
> that there may be some variability. Anyhow, a schematic for the EM-14 is
> nowhere to be found.
>
>
>> The latter is a divider with modulation I see. The other is called a
>> "Command Generator" it appears.....
>>
> Where'd you come up with that moniker?
>
>
> Achim.
>
http://www.xs4all.nl/~ganswijk/chipdir/soviet/chips.txt is the list that
had that information.
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