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sa-7700 pioneer

  1. J

    Help with SA-7700 protection circuit

    Hi, I just joined this forum in hopes of getting some help with my Pioneer SA-7700 amplifier. The amp protection relay suddenly stopped closing on start-up. I've read up on the protection circuit and everything I can find on this forum. The PA3004 pin readouts are as follows: 1: 12.4v; 3...
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