Color Correction Procedures for the Pre-modified PU-20/PU-22 Mainboard
(Model SCPH-700x, SCPH-750x)
Correcting the color signal
- Step 1
- Desolder and remove the RFI shielding from the top of the mainboard.
- Step 2
- Cut the trace that runs from pin 157 of IC203 just above pin 157.
- Step 3
- Locate a pad further up that same trace and solder a wire from that pad
to either the groundplane for PAL (SCPH-7002/7502) consoles or Vdd for NTSC
- Step 4
- Resolder the RFI shielding in place.
Reverse the disassembly instructions and test operations before replacing
the bottom cover screws.