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Namco 246 won't post

Esom

Esom

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Jul 12, 2022
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I have a 246, rack C. It will not load a game fully. I've swapped DVD-ROMs, verified 5v at the IO and at the DVD-ROM power plug. The power LED is solid and there is a blinking LED near the data ribbon cable. It doesn't beep at all. The ROM spins up and acts line it will read, but eventually stops showing activity.

I've tried a few different monitors/settings and one odd behavior is the Dell monitor I tried to se d VGA signal directly to keeps trying to auto adjust. Not sure if that means the 246 is sending and stopping over and over or what.

Any tips?
 
Hi! :)

What type of power supply are you using ?
If it's an ATX PC power supply, it's garbage for this hardware.

You really need an arcade power supply like a Sega Naomi or Sega Lindbergh type, because they have an adjustable knob for the +5V rail.

Also ,What is the exact name of the game you are trying to launch ?
Are you using an original DVD ,CD or a burned backup copy ?
 
Using a Happ PowerPro, it appears to work with all my other 246 systems.

Trying to play Soul Calibur 3, original dongle, burned DVD.
 
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