timtom
Well-known member
I'm repairing/recapping a Studer 961 Mixing console. 7 out of 8 Channel are working fine. One Channel is distorting.
I think I narrowed down the source of the distortion.
When I follow the signal path the distortion shows up the output of IC 9. When I check the input pins 2/3 the signal is distortion free.
When I use the insert return the signal is clean as well.
I assume the fault is between IC 9 and and the insert return.
IC 9 also gets hot.
I switched IC 9 and 10 still distortion. I removed C55, then the output of IC 9 is clean.
Any Ideas?
I think I narrowed down the source of the distortion.
When I follow the signal path the distortion shows up the output of IC 9. When I check the input pins 2/3 the signal is distortion free.
When I use the insert return the signal is clean as well.
I assume the fault is between IC 9 and and the insert return.
IC 9 also gets hot.
I switched IC 9 and 10 still distortion. I removed C55, then the output of IC 9 is clean.
Any Ideas?
Attachments
Last edited: