> Hi group,
>
> I haven't used my sub harmonic oscillator for some time but reinstalled it recently, albeit without success. First I
> thought I had an issue with the 5 V but that was not the problem. I just cannot get any sound out of the single or mix
> output, no matter what I feed into the input and which divider settings I use. If I crank the volume up I can barely hear
> some oscillation sound, also the effect of altering the divisions but always with one stable frequency dominating (again,
> no matter what the input frequency identification, or what the divider settings are).
>
> Any ideas or should I send the module in for inspection
>
> Best regards,
> Alex

Sorry for the troubles with the module. If the +5V are OK the module has to be repaired (but only the old version of the module with
16 pin bus connector required the +5V). For details please refer to the repair notes on the FAQ page of our website.
Maybe the processor is defective (but that's only a guess). But in this case the display and the buttons would not work anymore. If
the display and the buttons are still working it's another fault.

Best wishes
Dieter Doepfer