Firstly, I will post my own - hand draw - old installation diagrams taken from my friends modified consoles when I was worked as mod-chip installer in a video games store.
SCPH-9002
**broken link removed**
**broken link removed**
**broken link removed**
SCPH-102
**broken link removed**
SCPH-102 First version
**broken link removed**
SCPH-102 Second version
**broken link removed**
This is a list of Models number and it's corresponding Boards number for each model:
PSone model SCPH 100 - 101 - 102 -Board PM41, PM41-2
Playstation model SCPH 1000, 1001, 1002 - Board PU7
Playstation model SCPH 1000, 1001, 1002 - Board PU8
Playstation model SCPH 5500, 5501, 5502, 5552 - Board PU18
Playstation model SCPH 7000, 7001, 7002, 7003 - Board PU20
Playstation model SCPH 7501, 7502 - Board PU22
Playstation model SCPH 9001, 9003 - Board PU23