When I connect an external VGA display with my A5, I got a blank display with "overrange" message and a humming noise on the P.A. System. Could it be the A5 external display card faulty?
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Jim

SD90,Korg I3, KMA Liverpool,TC Helicon Play Electric, Fender Sonoran Guitar, vArranger, Bose S1 Pros, Bose L1 Compact, Aiwa Exos-9