ooo i remember theres a component you can bridge to fix that
Ben's Official Way to Improve PSOne Backlight Mod
By Ben Heckendorn
Hey guys, this is Ben Heckendorn, you know, the runner of the site who occasionally pops up so you know I'm not dead. Anyway, while working on my next ALL-NEW portable system, I made a discovery regarding the PSOne screen!
Long ago I did a LED backlight mod to my screen and I know quite a few of you have adapted it. While it DOES work and lowers the power usage by a lot, it's not very bright.
WELL, NOW THAT HAS CHANGED!
Strictly by accident, while holding the PCB of the screen, I noticed by putting your fingers on certain places it changed the image. The horizontal position, the colors. If I licked my finger and touch the middle of the board, the whole image got way brighter (as you can see, I'm incredibly scientific) I narrowed it down to ONE surface-mount component. I placed the JPG on my website, use this link to find it: [acually, it's right here. -abbibi]