[CQ-Contest] DVP Schematic?

[w9re@worldnet.att.net (Mike Wetzel)]

I'm having some just discovered ground loop problems with my DVP card wired
for Icom.  It seems like my 'mic' return is showing that it is tied to PTT
ground!  Having a problem troubleshooting with out a card schematic.

Thanks,

Mike W9RE


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