Problem with Korean Mega Drive Model 1

[ooXxXoo]

A cartridge connector problem perhaps, a cold solder point, a trace not doing proper contact somewhere ...Do continuity checks between cart connector to ASIC, I/O, processor,Z80 etc...

[Jimmy Yakapucci]

Any particular reason why the Master Base Converter would work, but not Mega Drive games?

JY

[ooXxXoo]

Master System games don't use all of the cart pins like the Genesis/MD games do..Once at a band camp, I had a Jap MD2 system that played SMS just fine but not MD/Genesis games, a trace to the cart connector was broken due to corrosion (an address), repaired, and voila! back to life...

[Jimmy Yakapucci]

I figured that it was something like that. Time for me to grab a magnifying glass and get looking.

JY

[socram8888]

Have you tried to re-align the pins on the slot?

Just a quick note: I use a universal transformer for my Segas and they work well. What type of transformer were you using?

[Jimmy Yakapucci]

Well, it is getting weirder. My friend let me borrow the one cart that he got to work in it. It is a Korean 30 in 1 with what looks to me NES/SMS style games. Not sure why that works but a real Genesis cart doesn't. More detective work to come.

JY