After an hour of struggling with the shorts I decided to put back the original ROM. Lo and behold, the PS1 is alive again: boots properly, starts game CDs. (only one pad was torn during removing my custom PCB...) IMG_20230529_210716_HDR.jpg IMG_20230529_212438_HDR.jpg IMG_20230529_213148_HDR.jpg I f...

Thanks for the reply and sorry for not being too active lately. This is what I did yesterday: IMG_20230527_153521_HDR.jpg IMG_20230527_164209_HDR.jpg IMG_20230527_172530_HDR.jpg IMG_20230527_191818_HDR.jpg IMG_20230527_193812_HDR.jpg IMG_20230527_194115.jpg In the middle of the operation (before soc...

Okay, first, I somehow mixed things up and write BIOS ROM chip instead of BOOT ROM chip. I meant BOOT ROM chip in the original post. Secondly, I replaced the 220uF caps, no change on the half-booting PS1 Thirdly, I found a blown fuse in the blackscreen PS1 (it was on the 3.3V line), replaced, that P...

Hi, I got two faulty consoles recently, none of them boots properly (one shows a simple black screen, the other one shows the first boot screen, but with garbled sound/noise and doesn't proceed from there). I watched a ton of YT videos and read a few articles and I came to the conclusion that this s...