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I believe there's 62 tubes in my RCA TM-21 color monitor....I finally plugged in the color killer relays and after readjusting the horizontal frequency it was suddenly working with a stable horizontal for the first time.
The relay contact pinout is wrong(color in monochrome position of function switch and monochrome in color positions) so at some point I'll have to fix that but it works well enough now that I plan to heat the basement with it periodically.
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