I don't know, if it works, when you connect Pin 6 with 5V without soldering out the IC.

I was glad when I had removed the regulator without damaging the board

So, i have the same Screen as on the picture above. I think the chip om the right lower corner over the condensator must be the voltage regulator (picture from first post). I could read JWBV 795D. After some tries , this display works like all other Displays now with the following Modification: http...