• The move to the new server is done. There are some software and database maintenance updates in process. This has us passing the hat around to help out. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html

relay board

  1. B

    New Member - Long term CR2020 Owner - 'Relay' Board

    Folks New member here - and now need to work on the Capacitor Board and Relay Board on my CR2020 Intend to use the excellent advice from Flakzilla and others on this forum and the excellent repository of information here: https://github.com/flakzilla/cr2020-relay-board/blob/main/README.md I...
    • brianor
    • Thread
    • relay board yamaha cr 2020
    • Replies: 8
    • Forum: Yamaha
  2. M

    STA-2300 power supply issue

    The issue started when the eq amp developed a loud hum. Then, I noticed that with no input and volume maxed, there was a similar, but faint hum in the aux input. In testing the power supply board I found AC ripple on the B+ and speaker protect/relay supply outputs( pins 8,[9: not shown],10). The...
    • Matt_ME
    • Thread
    • eq amp hum power supply board relay board speaker protect board sta-2300
    • Replies: 2
    • Forum: Solid State
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