The zero LED current proves that the supply is running flat out, so it is overloaded, the negative feedback is not operating. Just checking, the 2.5V at the BE, that is 2.5V with the base more...
Ji Jan, have sent you an email directly to see if we can arrange to get the diskette copied.
If not overcurrent on 125V, what circuit could draw excessive current only when the HOT is present? Looks like it could be anything. Not sure if relevant, but I hear a quiet fizzing sound that...
You won't physically damage an RLL drive by hooking it to an MFM controller or vice versa. Although now that you mention what model of drive this is, that raises another issue. The ST250R is a...
Can you ground the other wires non-intrusively? With the signal generator, the scope and the rest of the mat grounded the only wire on the board that should be emitting is the broken X wire. This is...
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The zero LED current proves that the supply is...
The zero LED current proves that the supply is running flat out, so it is overloaded, the negative feedback is not operating.
Hugo Holden Today, 01:42 PMJust checking, the 2.5V at the BE, that is 2.5V with the base more...