Quote:
Originally Posted by etype2
You have acquired a very rare and desirable piece of technology. The CRT is a beam index. It uses one electron beam and is indexed to each color phosphor stripe by a photo diode. Overly simplistic and I don’t want to get into it much, but Google ‘beam index’ CRT.
Member Jerome Halphen has one. Send him a private message.
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Several of us have an Indextron, of various sizes and qualities. I have one.
I tried making mine work, recapping it, but failed because I didn't feel like
putting it in water in an ultrasonic cleaner, so sent it to the expert, Andy Cuffe.
I don't know if all varieties of these sets have the same
electrolytic cap problem. It looks like yours may have the same CRT as
mine, but it could still have different circuitry.
These things don't produce the greatest pictures but they are really really interesting.