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2sd424

  1. Goesto11

    SAE 2400L help needed for rebuild

    So I am working on fixing a couple things, SAE 2400L and them a Marantz 4300. Both were push to the limits since my uncle was the one that owned them! I am starting with the SAE 2400L and going to go thru the unit and I am starting with the main output driver board, the unit calls for 2SD424's...
  2. D

    Onkyo TX-8500, NADA - 405

    This venerable old receiver recently started going into protection mode. The obvious damage was to R41 ( 5W 0.47Ohm cement by Micron 77). After reading the post by Jon_Logan, goat67 and str8tlk http://audiokarma.org/forums/index.php?threads/onkyo-tx-8500-trouble.223285/page-5 I determined that...
    • DanWentworth
    • Thread
    • 2sb554 2sd424 collector emitter resistors mj21193\94 nada-405 onkyo output drivers repair tx-8500
    • Replies: 7
    • Forum: Solid State
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