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tx-8500

  1. Super Noob

    Project: Onkyo TX-8500 (mkI)

    In my quest to NOT buy anymore 70s receivers / amplifiers.... I have relapsed again. My focus is limited = great value, typical larger WPC, not working. Have read a lot about the TX-8500 mkII Onkyo and wished to find one. A TX-8500 mkI popped up locally in non-working state = it must be fate...
    • Super Noob
    • Thread
    • onkyo onkyo tx-8500 onkyo tx8500 mki rebuild recap recap and restoration tx-8500 tx8500
    • Replies: 35
    • Forum: Solid State
  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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