The Blog

Aiwa Mega-CD CSD-GM1 Unit-02 Volume Board Diagnosis

Nix McRetro // 7th August 2013 // Repairs, Sega, YouTube

Just when you get one thing working, you discover a secondary fault on another board. Here we have a look at why audio is leaking from one channel and why we are not able to adjust the volume on that same one channel (left). Continue reading

Aiwa Mega-CD CSD-GM1 Unit-02 Mic Amp Board Repairs

Nix McRetro // 6th August 2013 // Repairs, Sega, YouTube

Found that one of the Mic Amp Board (Board 02-09) does not amplify and sound. In this video, we look as to why that might be and work to resolve the problem as best we can. The Mic Amp Board (01-09) from the revision 1 unit has no issues and... Continue reading

x0xb0x 1.0 Adafruit Edition - Assembly Complete

Nix McRetro // 6th August 2013 // News, YouTube

The chap (SuperNick) working on this one has completed assembly, however, there is no sound. See if you can spot the time where the raving cats appear. Continue reading

Preparing and Burning an EPROM for the Aiwa Mega-CD CSD-GM1 Game Unit

Nix McRetro // 6th August 2013 // Programming, Repairs, Sega

In this video, I blank and burn an EPROM using a dump I took of the BIOS from the Sega Aiwa Mega-CD. We also get to test out if the trace repairs I did a while back actually work. Is the news good? Watch on to know for certain! Continue reading

Aiwa Sega Mega-CD CSD-GM1 Game Unit in Standalone Mode

Nix McRetro // 6th August 2013 // Hacks, Repairs, Sega

You don’t need no stinkin’ boombox to play Mega Drive games, just a hacked up 5V 1A+ power supply. In fact, you could probably do it with less than 1A! So you’ve got an Aiwa Mega-CD and you want to make sure your Game Unit attachment is working well? Good... Continue reading