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Question electronics

cloudff7

Why do some electronic devices that were working stop working if they remain unpowered for long periods? Is there an explanation for this and is it possible to avoid it?

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  • Some things I encountered with old electronics are:

    1) Oxidation on a flex cable within a DVD player

    2) Broken belts on cassette players

    3) Leadfree solder joints turning dull and brittle after 8 years

    4) A turntable belt becoming sticky like a fruit roll up over time

    5) Switches that make poor and inconsistent contact

  • in reply to dang74

     All those are common. You could also add bad caps (capacitor plague), tin whiskers and yellow glue of death.

  • in reply to anniel747

    all electronics many fragile in storage

  • in reply to cloudff7

     Why would electronics be fragile in storage?

  • in reply to anniel747

    Agreed with bad caps.  I have a C64 with a bad synch pulse and no sound.... I have not opened it up yet.... but bad electrolytic capacitors are my number one suspect all the same.... you will have to elaborate on the 'yellow glue of death' though.

  • in reply to dang74

     Also known as Sony glue disease or yellow glue disease. Over time glue turns conductive and creates shorts and fires. Common problem from the 70's right to this day.

    https://sound-au.com/articles/yellow-glue.htm

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