crt adjustments

  1. A

    Help with CRT image on Macintosh Classic I

    Hello Tinker Different! I finally got my very own compact mac, a dream of mine. It works very well now after a recap, both logic and analog board. The CRT image has a slight dip at the top and middle, almost like Mr. Macintosh here is scowling at me (this also warps straight lines down towards...
  2. T

    Phillips Discoverer RGB circuit board replacement

    Attempting to replicate https://tinkerdifferent.com/threads/phillips-discoverer-14s11b-overhaul.3479/ I'm unsure where on the board to solder the wires from the TV and can't find the manuals unforch. Im also colourblind so its difficult to distinguish the wires purpose
  3. W

    [Resolved]Macintosh Plus cold start brightness too high problem

    Hi everyone, thanks for this forum. I have a Macintosh Plus, the analog board (international version, works in 120V mode) is broken, I repaired it, and now I can see the floppy disk symbol when I boot it. The current problem is that the screen brightness is too high when cold start, and returns...
  4. JDW

    Color Classic CRT Adjustments [VIDEO]

    I recently acquired a Color Classic and was itching to do a video on it. I plan to do a series of videos based on my experiences with it, but the first video I just finished today centers on CRT adjustments. That's because, well, the display wasn't adjusted! As of the time of this...