Sakhr AX170 (Sanyo MPC-2) audio modification

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By wbahnassi

Rookie (28)

wbahnassi's picture

11-09-2019, 14:14

Grauw wrote:

Yes indeed!

Dammit! I'll do the mod asap. Thanks! Big smile

By wbahnassi

Rookie (28)

wbahnassi's picture

15-10-2019, 04:51

I finally managed to get some time to do the mod. Thanks a lot Omega, it works perfectly!
I've recorded a short video showing the difference while I was in the process. I started with 1.5k resistance, but found that in general it left SCC a bit overtaken by PSG still. After a bit of trial I think 1k ohm hit the spot, so I soldered that in.
Interestingly, I noticed your AX170 has additional circuitry near J213 that mine doesn't have. I guess that's the RGB output stuff? Mine doesn't have this.

Anyways, thanks a lot for the great find. Now my MSX sounds right with SCC games :)

By Omega

Master (213)

Omega's picture

16-10-2019, 17:52

Good stuff!
I'm happy that I have at least helped one other AX170 Smile
Not sure about the RGB circuitry but quite possible.

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