> Hi
> I'm having some strange trouble here. I did remove the jumpers on
> back of the A-190,2 before I installed it on the main board, but
> it won't work. Both of them, a-190 and 190-2, flashes red
> constantly on the gate signal and is not responding to pitch or
> anything....
> Can anyone help me here
> Thanks
> Simon

When you remove the jumpers the CV is not wired internally via the bus and
you have to connect the CV via the sockets at the front panels. To allow
internal CV/Gate connections via the bus you may install the jumpers for
A-190-2 or A-190-1 (not for both !).

Best wishes
Dieter Doepfer