That's the filter envelope chip. I had one go a while back, go to panel, set your resonance and filter so the envelope has max effect and play with the filter ADR settings. On mine the filter was always closed no matter the ADR was set to.
Cheers,
TOM
--- In yamahacs80@yahoogroups.com, "mborish_2000" <mborish_2000@...> wrote:
>
> I think that mine is bad on CHII Voice 8. It ramps up, sustains at full blast until I let go of the Key, then ramps down.... I think. It's really hard to tell.
>
> If I remember correctly, I am getting 4V DC at at TP1 - I can check again later today.
>
> Trig is functioning normally and voice I is functioning normally.
>