Acoustic Research D400MK II schematic? - Click HERE for Original Thread
janneman
Hi all,
My friend just gave me this AR D400MK II class A (I think) power amp. To repair, of course. THEN he wants it back. Sigh.
Anybody has a schematic or knows where I could get one?
Jan Didden
janneman
...anyone...?
janneman
... bump...
janneman
Forget it - fixed it.
Broken CCS transistor. A 50 Vce transistor on a 70V supply line. I think a transient killed it, as *in operation* the Vce would be just 38VDC. Tricky design...
Jan Didden
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