Elektor Formant Modular

--- In ElektorFormant@yahoogroups.com, "the19thbear" <the19thbear@...>
wrote:
>
> hi. i have a formant that i'm slowly bringing back to life. i have 2
> oscillators and they are working now ( though one of them is quite
> unstable) I have got a bad case of bleed to the output from all the
> waveforms even though they are switched off. so if i switch off all
> the waveforms and connect a headphone to the osc out, i can still hear
> the waveforms ( a lot lower though) could this have anything to do
> with the power supply? it doesnt have a ground plug... ( not using the
> original elektor psu) or maybe something else is wrong.. any
suggestions?
> thanks!
>

Have you replaced all the ageing electrolytics, especially the power
supply decoupling ones?

Mike