Hello,
The left channel on my Altec 9440a is reading -39V DC. I would appreciate a copy of the schematic or service manual for adjusting the DC offset and bias. I downloaded a manual, which does not provide this information....Thanks. Nite.
Send me your email address via PM, and I'll reply with the service manual attached. The procedure for both is on page 9.
Odds are however, that you'll have to do a repair before you adjust, as 39V is likely out of the adjustment range, and caused by a defective component. Still, the manual will help you get there.
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