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9th August 2004, 04:14 PM
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#1 |
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diyAudio Member
Join Date: Aug 2004
Location: Israel
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Dukane IB3250 ("two-fifty") high current consumption
Hello
I'm troubleshooting a Dukane 3250 with high DC current consumption in quiscent (no signal, no load) mode. What I see is 0.1 volt DC on the output to the output transformer (which causes the high consumption) . It seem that it's drifting the biasings. There are 2 adjustable trimmers. Anyone has Idea about that (I have a schematic of the M250) which is "almost near" but with only one trimmer, and no instructions. Thanks a lot! |
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