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Doepfer

Index last updated: 2026-04-29 00:15 UTC

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Re: A147 not working anymore

2008-08-12 by bellenger_a

> The modules with the directly soldered circuits are probably older ones

OK


> Only the upper of the two remaining integrated circuits (IC2/TL084) is
> required for basic operation. The lower circuit (IC3/TL064) is used only to
> generate the waveforms sine and sawtooth. It can be removed for testing
> (sine and saw will then not work). The TL084 (quad OpAmp) is used in many
> A-100 modules. Maybe you have a module at hand from which you can borrow the
> TL084

OK... I will try this...


any idea which module???


and also... I have to add that the module somehow still works... the outputs works... but 
when I send a cv in the cv in it seems to not change anything...


Thanks for quick answer as always Dieter,


Best regards,


A
lexandre

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