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8-bit acorn hardware • Re: BBC Model B voltage sag and low impedance

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Yes, -5V is good, though I still have an issue with audio output; the 10 Ohm resistor from the -5V to the LM324 had gone bad and was up to 55K Ohm. Replaced, but still not fixed so next step is more diagnostics, which I can do now I have a logic probe :)

Statistics: Posted by Zakala — Thu Mar 21, 2024 4:35 pm



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