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op-amps

  1. BijanK

    Popping sounds after replacing an op-amp in a YAMAHA AX-870

    I guess I need some help with this. I have a YAMAHA AX-870 on the bench whose right channel was significantly quieter than the left. I have traced the fault back to a defective right-channel op-amp on the volume control board (NJM2068SD). As the component is rare, a Chinese import was the only...
    • BijanK
    • Thread
    • amplifiers op-amps yamaha
    • Replies: 3
    • Forum: DIY
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