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2sa1919

  1. maxProview

    SA-3000 phono board issues

    Hello, recently I have bought a Pioneer SA 3000, the power amp work fine, but the Phono board is out. The Phono board uses 3 pairs of transistor 2Sa978; 2SC1919 2SA912. 2SA978 seem to be ok because the voltage at the base and emitter are in the specs. All others voltage are out of spec. I...
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