Sega-Naomi

I purchased a dedicated sega World series 99 cab thinking it had a naomi setup. to my surprize in the metal cover box where I thought the naomi mother board was, there was a pcb board labeled #base 01AO769. Here is my problem everything powers up even the neck on the monitor but no picture.



1. where would I start to try to get this cab working?

2. Did sega even make a world series 99 pcb?

Inside the metal cage, does the board look like this?







Make sure you check the voltages on the power connectors to check its not a problem there fist of all. Also check that the cables and properly intalled.

yes it does what gives I thought world series 99 was sega naomi?

yes it does what gives I thought world series 99 was sega naomi?

That is a Sega Naomi motherboard, just incased in metal rather than the more common plastic.

so where does the game cart go? also what should the voltage be set at?

On the thre connectors facing upwards on the same side with the heatsinks.



I can't remember voltages, something lik 3.3 and 5.2

thanks I will give it a try.

shovelhed wrote:so where does the game cart go? also what should the voltage be set at?

Make sure to have 3.3 around 3.3, and the 5V around 5.11-5.15. Do not let it be higher than 5.2v.

Ok guys I set the voltagae correct still no picture, I exchanged mother board and new cart and still nothing. Also I am not hearing any sound no start up or puting a quarter in coin door for credit. I have checked every connection and still nothing.