I picked this 20m4u up for free a while ago and just got around to messing with it. Whats happening is the screen will turn on and change colors then cuts off. There is still power and you can hear a clicking sound from the tally light. Video below. Any ideas?
I’d hazard a guess at a flyback issue. The focus pot on it at the very least is set way too high.
Reviving this thread to talk about something specific that we’ve all seen.
Flat screen (and some curved) CRTs almost all have a slight to severe bowing upwards of the picture.
Anyone have experience in fixing this? Supposedly it’s due to a sagging of the yoke over time, and can be adjusted by opening up the TV and fixing the alignment of the yoke.