Blue not working on Sony GDM500PS(21" Trinitron) monitor

By ltboy
Jan 30, 2005
  1. I've looked everywhere on this one and my best guess is that, since the blue will occasionally turn on for a few seconds, it's just a poor connection or bad wire to the blue electron gun. I've opened it up(It's pretty old so the warranty is long-gone anyhow) but really don't have a clue what I'm looking at.
    Anyhow, If anyone has experience with this sort of thing or, even better, the schematics for my monitor(The only place I was able to find them wants to me to register for some course before I can get them). Any help is appreciated.

    Edit: Oh, and it's not the cable.
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