Hello,
I am from Brazil, here we have a different color system. It is a PAL-M, something like a 60Hz PAL. Because this all psx that came here in the 90's were modified from NTSC to PAL-M.
This weekend I tried to remove this modification from my PSX model SCPH - 7501, but something got wrong. Could someone help me?
I will try to explain what have happened. I have opened my psx and found this mod there.
This circuit in the left is the new crystal to achieve the PAL-M, but the original one is placed there yet. So I read that if I want to return my video game to NTSC all that I need to do was remove these wires.
Here another pictures:
Well.., I removed the four wires but the image has turned horrible? Something like an RF signal with bad antenna.
My question is: has someone of the forum who already removed this type of modification? Are there any other point to be aware? I read that in the other side of the board there had to be a welding point too. But on my board there is not.
Could some one help me?
I think that the mod from NTSC to PAL-M is pretty like the one from NTSC to PAL. This is the reason that I came here
Best Regards.
How to undo a PAL-M to NTSC modification on SCPH - 7501
How to undo a PAL-M to NTSC modification on SCPH - 7501
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Shadow Verified
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There might be other mods done to the board somewhere (such as a trace cut or a pin has been lifted), so repairing it might be a bit tricky. It looks like they made their own colour frequency circuit (albeit, a horrible one) so look around the area where it was soldered for additional modifications. They might have disabled the original colour frequency line.
Development Console: SCPH-5502 with 8MB RAM, MM3 Modchip, PAL 60 Colour Modification (for NTSC), PSIO Switch Board, DB-9 breakout headers for both RGB and Serial output and an Xplorer with CAETLA 0.34.
PlayStation Development PC: Windows 98 SE, Pentium 3 at 400MHz, 128MB SDRAM, DTL-H2000, DTL-H2010, DTL-H201A, DTL-S2020 (with 4GB SCSI-2 HDD), 21" Sony G420, CD-R burner, 3.25" and 5.25" Floppy Diskette Drives, ZIP 100 Diskette Drive and an IBM Model M keyboard.
PlayStation Development PC: Windows 98 SE, Pentium 3 at 400MHz, 128MB SDRAM, DTL-H2000, DTL-H2010, DTL-H201A, DTL-S2020 (with 4GB SCSI-2 HDD), 21" Sony G420, CD-R burner, 3.25" and 5.25" Floppy Diskette Drives, ZIP 100 Diskette Drive and an IBM Model M keyboard.
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