Andy King was a guest on the Cathode Ray Podcast this week. Andy repairs and modifies CRT displays in the Bay area of California. He also runs a website called the CRT Database. The site contains helpful documentation on many CRTs. There are manuals, repair guides and even RGB modification guides for many consumer CRTs. https://crtdatabase.com/
Andy is available for repairs and services through his CRT Database website.
The Cathode Ray Podcast is a show hosted by Louis Zezeran from Zez Retro and Steve Nutter from Retro Tech. The show highlights the CRT display and many of the people involved in preserving the technology.
Playlist of the Cathode Ray Podcast: https://www.youtube.com/watch?v=zZ-IysYMAGQ&list=PL_Hm88_bscLRTxeMuV-ul2LLe1VAQ_wIY