Did you swap the CRT by chance? H-K shorts developing in the tube itself can do this. During the cycle, tap on the electron gun and see if it changes.
Post #4 by techknight
| Source Forum | 68kMLA |
|---|---|
| Category | Hardware |
| Post Date | Sat, 27 Jun 2015 - 13:18 |
| Original URL | https://68kmla.org/bb/threads/what-would-cause-an-se-30-crt-to-gradually-fade-in-and-out.2247/ |
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