Summit Audio MPC-100A

ilfungo · Feb 22, 2018

Hi
I need a little help.
I'm searching Summit Audio MPC-100A schematics.
I've a strange problem:
The VU meter work well for output but sometimes do not work in GR mode .
the problem is really casually and it's not connected in any way with the unit temperature...
THANKS!!!

buildafriend · Feb 22, 2018

Have you tried tracing back from the VU meter and looking at what's associated with it? Does it come from any switching circuits that look blown or falling out? Are there calibrations you could check or perform? Is the unit actually compressing?

pucho812 · Feb 22, 2018

Can you zero the meter in gain reduction mode? Can you confirm the unit is compressing?

ilfungo · Feb 22, 2018

Yes the unit work great and the problem is sporadic...
It's only gr meter problem...
thanks

ilfungo · Feb 23, 2018

mjrippe · Feb 23, 2018

Contact Summit, sign an NDA, they send you schematics.

ilfungo · Feb 24, 2018

Thanks I will try!

Summit Audio MPC-100A

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