Saturn Region Mod Switch problem...

Started by retroborg, October 22, 2014, 03:40:34 AM

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retroborg

So, I tried this region mod method:
http://www.mmmonkey.co.uk/sega-saturn-country-mod-3/

But it did not work!
I'm pretty sure I followed everything by the book as described in the link, but the console refuses to switch between the 3 regions, some times it will switch rendomly.

I could not find a motorolla Hex invertor, but only an equevelant SN74LS04N of a different brand.
So is the hex inverter actually needed and can anybody verify that this modding method actually work?! Before I mess up my Saturn?!

Thanks in advance

unshe

Hi,
I did this mod a long time ago, and it is still working.

Assuming that you did everything without errors, there are 2 things that can make troubles.

First, add a 100nF ceramic between VCC and GND of the IC, so pin 7 and pin 14.
Second, connect all the not used inputs of the IC to  GND or VCC, just to not leave it unconnected. Check the datasheet to see which pins are the input.