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zener diodes

  1. A

    Known Issues in 70s/80s components

    Hi, Working on a SX-3500. Are there any known common issues with components? For example: Are transistors proven to become leaky/noisy? Do diodes/zeners drift? In an RT tape deck the transistors become noisy requiring testing or replacement. Thanks.
    • ampman
    • Thread
    • components diode leaky transistor zener diodes
    • Replies: 0
    • Forum: Pioneer Audio
  2. dustmaker

    Audio Research SP-5

    Technical question i’m working on an Audio Research SP-5 and I want to replace one of the zener diodes. The manual parts list shows 15V 500MW 1%. First question. I am assuming that means 500mW because all of the resisters in the area are 1/4 watt. It can’t possibly be MW. Printed on the...
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