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View topic - Complete PAL to NTSC mod SMS1

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  • Joined: 21 Aug 2019
  • Posts: 1
  • Location: Sweden
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Complete PAL to NTSC mod SMS1
Post Posted: Wed Aug 21, 2019 1:35 pm
Hi! I am googling to find a guide how
to make my 50/60hz modded SMS1 PAL into a ”complete” NTSC-console. I am only using RGB-scart, no composite. I have found some info and would like to summarize and see if you guys can confirm if these following steps are correct.

1. 50/60 Hz mod.
2. Install NTSC-oscillator
3. Lift leg 7 on video encoder and connect the leg to +5v.
4. Lift leg 6 on video encoder and connect to Z80 pin 6.


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