Gradius
Addicted to Fun and Learning
The tps65130 inside also makes things worse.
I will remove the switcher and supply by lt3045 +-9v.
I suspect that one is driving the OLED too. I haven't looked at it yet.
However, it will be a little more work, as TPS has 24-pin, and LT just 12 pins, and of course they aren't pin compatible.