Ok So I pulled the 4051 out and the output stoped. So its not the output
buffer. I changed the 4051 for another one and the problem is back. I
checked the orientation of all the diodes and transistors and they all look
good. Im stumped.
buffer. I changed the 4051 for another one and the problem is back. I
checked the orientation of all the diodes and transistors and they all look
good. Im stumped.
On 2/9/07, sasami@... <sasami@...> wrote:
>
> The caps were to stop the op-amps oscillating, should that have been the
> case. It apparently wasn't.
>
> Pull out the 4051 if it is in a socket. The output should drop to zero. if
> it doesn't, the problem is with the output buffer and the circuitry around
> that - such as the mix input being fed a high voltage or a short
> somewhere.
>
> If it does make a difference, the problem is either the 4051 itself, or an
> error around it.
>
> Ken
>
>
>
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