Need help - colour mod a PS1 - SCPH-1002

KeRbDoG

After 30min of searching, I'm giving up

Anyone know a guide how to 'colour fix' a PAL PS1 (SCPH-1002) to display NTSC games in colour on a PAL TV?

I remember doing this mod before to an early PS1 'back in the day' but from what I remembered it was just a trace cut and jumper wire mod.

Any help would be great, going mad at the mo - starting to doubt myself

Myrddin

KeRbDoG wrote: »

After 30min of searching, I'm giving up

Anyone know a guide how to 'colour fix' a PAL PS1 (SCPH-1002) to display NTSC games in colour on a PAL TV?

I remember doing this mod before to an early PS1 'back in the day' but from what I remembered it was just a trace cut and jumper wire mod.

Any help would be great, going mad at the mo - starting to doubt myself

Yeah I remember this alright, seems to differ according to model though?

For PSX Models SCPH5502 and SCPH1002 a crystal needs to be installed in order
to play NTSC games in colour on a PAL TV. This Conversion will not Convert the
NTSC 60Hz to PAL 50Hz. So if flickering occurs adjust V-HOLD on older TV's.

http://www.angelfire.com/sk3/modzone/id_ntsctopal.htm



http://www.assemblergames.com/forums/showthread.php?37319-PlayStation-1-PSone-Colour-Correction-Modification

KeRbDoG

Umm, now to try and find a QXO-1100 5V 4.433M Crystal Oscillator - seems you can't get them anymore

Myrddin

KeRbDoG wrote: »

Umm, now to try and find a QXO-1100 5V 4.433M Crystal Oscillator - seems you can't get them anymore

Surely be easier to get another PS1, one that the wire mod works on?

KeRbDoG

EnterNow wrote: »

Surely be easier to get another PS1, one that the wire mod works on?

True, but that wouldn't be a challenge Will keep looking for the oscillator

Myrddin

KeRbDoG wrote: »

True, but that wouldn't be a challenge Will keep looking for the oscillator

Thats the spirit...you should post here more often!

KeRbDoG

Had another look inside the SCART connector of the PSX-RGB->SCART cable I had, while the RGB cabling is there pin 16 doesn't have anything on it and from SCART Standards that needs to be 1~3V+ to tell the screen to accept an RGB signal. Ummm. Anyone else have a RGB->SCART cable for any other system which they can check if pin 16 on the SCART end is wired and being supplied power?

Myrddin

Just checked mine there, it has pin 16 connected to pin 8 via a 15 Ohm resister {I think - it has a brownish purple, then green then black colour code}

KeRbDoG

EnterNow wrote: »

Just checked mine there, it has pin 16 connected to pin 8 via a 15 Ohm resister {I think - it has a brownish purple, then green then black colour code}

I know very little in terms of voltage reduction with resistors - I will check more cables to see what value they are using

Myrddin

KeRbDoG wrote: »

I know very little in terms of voltage reduction with resistors - I will check more cables to see what value they are using

There's definitely a feed to that pin anyway, & its a decent RGB cable from consolegoods

KeRbDoG

EnterNow wrote: »

There's definitely a feed to that pin anyway, & its a decent RGB cable from consolegoods

Fixed - turned out that the pin 16 (used to signal that your using a RGB source) wasn't connected at all! Good old cheapo eBay cable.
I used the +5v that was already connected from the PS1 to pin 8 on the SCART connector (one which makes the TV switch to that SCART input) and connected it to pin 16 with a 220ohm I had and BAM! All sorted Crisp'n'clear RGB and colour for NTSC games!
Cheers for the info