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Kaypro Micrex Video Board Question

N7JCT

New Member
Joined
Aug 21, 2025
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I'm wondering if anyone here has a Kaypro with a Micrex video board in it who could take a photo of part of that board for me, or tell me the value of R101. Mine got a bit crispy, so I can't reliably read the color code on it and don't know that I want to trust it with an Ohmmeter at this point. Anything that would help me determine the correct value for a replacement would be appreciated.

Micrex_R101.png

Thank you in advance.

Thor
 
Last edited:
It appears the correct answer is 10 Ohms.

The crispy critter I had was measuring about 9 Ohms out of circuit. I was able to find another thread here that discussed a completely different monitor but I saw in that circuit a resistor in a similar role and it was listed as 10 Ohms.

So I replaced mine with a fresh 1/2 Watt 10 Ohm part and fired it up. Everything has run for a couple of hours now with no drama.
 
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