Well, I noticed today that when the machine was left on for a while during testing, say 20 minutes plus, the screen would brighten.
In fact, on a couple of occasions, it actually got back to normal brightness, or very close, actually usable.

So I measured the 3 variables, that could alter the brightness on the DAC and of the 3 it was the FS ADJUST, pin 42 which varied.
According to your sheet, this should be approx 1.236 volts but it was starting for me at 75mV and over time would rise to 250mV.

So I THINK the resistor which drives this may have issues.
To test this, I used a heat gun to warm it whilst on, and it visibly brightened as I warmed it.

So I ordered a direct replacement for it, at 562ohm, though I had to get a 2mm long one, as 3mm ones seem to be very-rare these days.
To go along with it, I also ordered a large 1k potentiometer, and a couple of surface mount ones as options.

If the 562ohm replacement does not work, is a little too dim still say, I may try the potentiometer instead and adjust it to see if there is a different sweet spot.

I also ordered some 100nF and 10nF ceramic capacitors, just in case the COMP capacitors have issues as well, though I don't think they do.
This should all be here Friday, so hopefully I can test this all on Friday/Weekend.

Excellent! Can’t wait to see how this works…

Will any YouTubers be getting one to demonstrate and review? I know Chris Edwards mentioned he was to receive one, but nothing transpired.

Why revive this thread again.
Not going down this rabbit hole again.

The following articles have been added to the website of the Amiga magazine Obligement (http://obligement.free.fr) during the last two months:

- News for March/April 2024.
- Old articles from Generation 4 13 to 15: File: Lovecraft, Review of Chessmaster 2100, Review of 89 La Révolution Française, Review of Rick Dangerous, Review of Black Magic, Interview with Doug Glen, Interview with Jean Baudlot, Interview with Gary Gygax, File: Lucasfilm, cinema and video games, Review of 3D Pool, Review of Wind Surf Willy, etc.
- Interview with Camilla Boeman (AmigaOS 68k developer).
- Interview with Frédéric Autechaud (former editor of ANews).
- Review of AmiFox 0.3 to 0.6.
- Review of Simple Transfer.
- Review of Amiga Boot Selector 0.4.
- Review of IBrowse 3.0a.
- The best of Byte from October to December 1986.
- File: The Amiga in TV and movies (update).
- File: Utilities included in MorphOS.
- File: A history of software piracy in Italy (1983-1993).
- DIY: Restoring an Amiga 2500UX.
- Tutorial: Quick start guide for new A1222 users (update).
- Tutorial: Configuration of RoadShow 1.14/1.15 for a Freebox Revolution.
- Point of view: Rave development (part 7).
- Programming: Animating an image in C and SDL2 on MorphOS.
- Special quiz about Dave Haynie.

Rendez-vous on http://obligement.free.fr for this nice reading.
Our X page: https://twitter.com/obligement
Feel free to contribute. Please contact David "Daff" Brunet for more info.

OS 4.1

Truly,
Robert Bernardo
Fresno Commodore User Group - http://www.dickestel.com/fcug.htm
Southern California Commodore & Amiga Network - http://www.portcommodore.com/sccan
June 22-23 Pacific Commodore Expo NW 2024 - http://www.portcommodore.com/pacommex