Installation of the REI Colormod Module
for a PU8 PlayStation Console
(Model SCPH-3000, SCPH-5000, late SCPH-100x)
Making the connections between the Colormod Module and the PSX PC board
Wire 5 -> Data (mod)
Connected just above an 8-pin 2903 chip on the underside of the board about
4cm below and 5cm to the left of the corner of the board closest to the
external power cable socket.
Wire 7 -> Gate (mod)
Just below that same chip
Wire 1 -> Vdd (mod)
Wire 3 -> Ground (mod, color)
Wire 9 -> Freq (color)
Locate the CXA1645 video generator chip. It is located on the top side of the
mainboard just above and slightly to the left of the "PU-8" marking
in the solder mask. Pin #1 of this chip will have a small dot inset into
the plastic of the chip (in the upper right if viewing your mainboard from
the orientation it would be in when installed in the case - the following image
shows the chip inverted 180 degrees from that position)
(this picture representative only and may not match your mainboard exactly)
- Step 1
- Connect wire #1 to pin #12 of the CXA1645.
- Step 2
- Connect wire #3 to pin #1 of the CXA1645.
- Step 3
- Lift pin #6 of the CXA1645 off the PC board or cut the trace coming
from that pin. Connect pin #6 to wire #9.
- Step 4
- Lift pin #7 of the CXA1645 off the PC board or cut the trace coming from
- For an NTSC console connect pin #7 to pin #12.
- For a PAL console connect pin #7 to pin #1.
Mount the Colormod board on the top plate of the PS by use of a ~5mm spacer.
Then reverse the disassembly instructions, remembering to connect the wiring
harness to the module before replacing the outer cover on the PS unit.