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jonschultz's latest activity
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J
jonschultz
replied to the thread
Mystic Color Classic Screen Distortion
.
I measure about 22.7V across CF10 on my system. Like a lot of components on the CC analog board, it's not very easy to probe from the...
Sep 28, 2026
J
jonschultz
replied to the thread
Mystic Color Classic Screen Distortion
.
It's the 220uF 35V electrolytic, just south of the two large, blue, rectangular film capacitors near the top center of the image. Also...
Sep 27, 2026
J
jonschultz
posted the thread
Color Classic VGA Output Progress
in
Compact Macs
.
I thought I would share some of my progress on getting VGA output on a Color Classic using my XC1186B reverse-engineered replacement...
Aug 22, 2026
J
jonschultz
replied to the thread
84V Mod on Color Classic - Thick light gray bars
.
This might simply be from the horizontal deflection (refresh) now running at 67Hz instead of 60Hz, and there just happens to me more...
Aug 17, 2026
J
jonschultz
replied to the thread
84V Mod on Color Classic - Thick light gray bars
.
Hi @surfer150, this is an easy fix. What you're seeing is that the G2 voltage (sort of like the black level control right at the tube)...
Aug 17, 2026
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