About 3 months ago, my servotronic started to fail: intermittent shutoffs and then I was stuck with minimum assist until yesterday.
Reflowing the solder, as was expected, didn't do any good, so I decided to work on the circuit itself. Sure enough, after desoldering the two transistors, Emitter-Collector link in both of them either had a ~5MOhm resistance or even was positive on the diode test. In other words, both were BLOWN, BURNED, BUSTED!
I've managed to get the P/N from them and ordered replacements from digi-key.com. Soldered them in and VOILA!
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