Oh yeah, turns out I did a huge mistake (which is both inexcusable, and also understandable due to not owning a 40-pin GBA).
It turns out, you DO need the extra pot between AGND -- COM -- VSHA, because the motherboard inverts the polarity of the...
You did help, so thanks. I doubt that without you I would find that AGS 40 pin method for AGS-101 LCDs works for those as well (aside fronlight LED power supply)
And it works so I'm happy with it
Actually I have some pressure left, but only if I squeeze AGB really hard, otherwise it's okay.
As for grinding: it requires a lot of it. As for main LCD frame I have nearly 1mm left of plastic (I don't have precision tools or skills, It's quite...