HK 825 Preamp Repair Manual Needed
Does anybody have a repair manual for a Harmon/Kardon HK 825 preamp? Mine no longer gets through its selftest when I turn it on. Purchased in 1984-ish, original owner, I'd like to get it back into working condition and cooperating with my HK 870 power amp again.
Thanks in advance,
P.S. Just to pre-empt the obvious question: used with a set of "Magnat All Ribbon Four" and a set of "Legacy Convergence" speakers.