Uploaded September 2021 | Updated September 2026, 2 weeks ago

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So, oh experts of the vintage computer CRTs....which faulty component(s) might be causing this?
Here is the schematic for this CRT: bit.ly/3ACXje4
The above hyperlink redirects you to PDF Page 351 on the AWS Hardware Manual volume 1.
I aggregate all other known/scanned manuals OCR'd for this system on my page at:
convergentaws.blogspot.com/p/manuals.html

Thanks to all who participate in this repair & restoration!