TU56 lamp replacement
hilpert at cs.ubc.ca
Sat Oct 24 21:03:33 CDT 2009
djg at pdp8.net wrote:
> > I also found this: http://www.pdp8.net/tu56/tu56.shtml
> > in which Dave G. describes a successful use of the CM2182 (14V,
> > 80ma) bulb in this application.
> I just replaced one of them again last week so I had taken a picture of
> the indicator disassembled.
> It is now up at
> If your TU56 -15V input is high you may run this bulb above its rated
> voltage shortening its life.
Some sizes of those bare-lead grain-of-wheat bulbs are or were used for
front-panel backlighting in digital car stereos, generally 12V of course.
Places that repair car-stereos may be an adeqaute source, Radio Shack sold some
sizes as of a few years ago.
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