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f-2663

  1. john cronin

    AU-717 F-2663 power supply board

    Hi my electronic knowledge is behind most on this site so I will try and get straight to the point. Ive just recapped a 717. It works but has excessive hum on inputs like Aux / Tuner when unconnected . When you short the input or attach a CD Player the hum goes away 100% but something is not...
  2. C

    AU-717 Rebuild General Questions

    Slowly working through a AU-717 rebuild. As far as I know the amp died while in storage/last use due to glue corrosion. I know the history but I haven't heard it play in years. I've read a bunch of posts by @Leestereo @Super Noob and others. Thermal Paste Part 1: Should the thermal paste be...
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