On Bob Roberts site, there is (or was, if the link is broken) a scan of a page that details how to add the missing parts to the monitor chassis to allow it to perform video inversion. Since the page was scanned and not run through an OCR process, the text is not searchable. As a service to the arcade collecting/repair community, I provide this HTML based, searchable version of the document.
(Note that I am not responsible for the use or misuse of this information, and I might have copied something incorrectly! No warranties expressed or implied, and the risk of use lies with YOU! YMMV.) (more…)