FET Audio | Hi-End Audio & Electronics DIY Electronics & Repair

July 17, 2026

Pioneer SA-506 repair and service

Filed under: Other Amplifiers,Uncategorized — Spencer @ 12:26 am

Problem: 

  1. Cracking sound.
  2. Case rusty.

Actions: 

  1. Recap all small size capacitors.
  2. Clean all switches and VRs.
  3. Touch up hot spot solder joints.
  4. Add speaker protection relay.
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