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q401

  1. Krosya

    Pioneer SX-680 no tuner - help!

    Hi All, I got this nice little receiver in a trade and everything works fine, but the tuner. No AM or FM. I did some digging online and there was a thread or two here that points to something called Q401. I am not very savvy when it comes to these things internally, but if someone could point...
    • Krosya
    • Thread
    • pioneer q401 sx-680 tuner
    • Replies: 15
    • Forum: Solid State
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