Yep it was defender.wait. are you trying to run Defender? cause that only works with Defender boards. Stargate and later won't work. :x
Update though I now have a working set ready to go I still need to do the power mod for the ram though
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Yep it was defender.wait. are you trying to run Defender? cause that only works with Defender boards. Stargate and later won't work. :x
Defender and Stargate I believe much of the 2532s had the gold contact legs, these are highly prone to the skinny parts of the legs just breaking off. you can spin your wheels so much on stuff like that if you don't look closely. the last Stargate I fixed they sent it in to me and a majority of the roms had broken off legs. like 1 or 2 I'd be content with replacing legs, not that many. I wound up just donating the entire set of roms from one of my boards to get it running and be done with it. their old roms I guess I'll have to transplant into machine pin sockets someday.More on the other rom board that had const rug.
I was able to get it going replaced 4 sockets and 3 eproms. Now it is working which is great because I will use it to fix the other dead mcu![]()
with a switching power supply that's exactly what you would do. unless you have one of the AT box style ones, those have -12V. the +/-12V from the linear power supply is to simulate AC power to pass through the bridge rectifier on the sound board. the pinball games where they originated were apparently powered off an AC tap of the transformer. the sound boards are their own independent thing, they don't use +5V, that's generated off the voltage regulator after the bridge rectifier. some games have a grey +5V wire crimped onto the sound power plug but from what I know it doesn't go anywhere. I tried powering sound boards by themselves with my PowerPro and it really didn't appreciate it at all. lolI can see that for sure. I try to keep those roms in play as long as they will still work. The machine pin sockets are definitely good for repurposing those with busted legs
I am working on the sound board now.. Correct me if Im wrong but cant I just use -5dv and 12vdc to power the board ?