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pioneer sx-580

  1. jpreza

    Pioneer SX-580 HELP

    Good evening everyone, Just finished recapping a Pioneer SX-580. Still need to replace the dreaded D712 transistor on the power amp, the two main 6800uF caps, plus a 6.8uF cap on the main board. Just ordered the parts from digikey and they should be showing up at the end of the week. In the...
  2. dlucy

    Can a bias adjust be added to SX-580 at the 2SA798 pair?

    I've read more than a few threads here about SX-580's (and SX-680's, too, I think) where someone asks "where is the bias adjust" and several chime in "there is none, that's what you get in a BOTL". Looking at the schematic, isn't it possible to add a bias adjustment to the two dual-transistor...
    • dlucy
    • Thread
    • pioneer pioneer sx-580 sx sx-580
    • Replies: 13
    • Forum: Pioneer Audio
  3. dlucy

    Recap, restore, restomod a SX-580

    I've started prep work for returning a SX-580 to another 30 years of service. I've got some snippets from other threads to use as the basis for the BOM, but I'll update those here with what I find in this unit and what others have mentioned or corrected along the way.
    • dlucy
    • Thread
    • pioneer pioneer sx-580 recap restoration sx sx-580
    • Replies: 3
    • Forum: Pioneer Audio
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