awr-154

  1. R

    Pioneer SX-1980, AWR-154/155 power supply re-design

    Hello Ak'er, I have a SX-1980 monster in for a re-build, it was working for a while when I received it. The owner wants it re-capped, new or re-built PS etc. The PS had repairs done to it already, what else the +80V reg blew, but the owner was wanting a new PS pcb installed because we can see...
  2. Cheddar Bob

    Help with SX-1980 New AWR-154 Board pleeeeze

    Hi AK folks. Long time lurker, first time caller! I'm normally a vintage tube audio guy but couldn't resist a 30 buck SX-1980 at a garage sale maybe 15 years ago. It has the typical toasty power supply board with much of the foil hacked up by a PO. Back then, I couldn't find a used board to...
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