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baceman007

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About baceman007

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    Combat Commando
  1. Thanks for your reply guys. Very helpful. Taijigamer, I can get my hands on an O-Scope if need be. It's also on my Christmas list for my new electronics workbench! Yeah! Jeremy Popp, I took a much closer look at the board and although everything around the slot checks out ok, I found some goop and some black stuff around the SRAM (KM6264BL-10). Alcohol did not work, so I might try Brasso next unless you have any other suggestions. I am hoping the black parts are not breaks in the traces and can be cleaned up. Otherwise, I guess I'm soldering in some SRAM and trying to redo the traces in that area. Here is a pic. The damage I'm talking about is closest to the rest button.
  2. Hello everyone. I have a Sega Genesis Model 2 (more specifically an mk-1631). It was having problems loading known good games past the Sega Logo. These games load on two other Genesis systems that I have. So: 1. I tried to re-tension the slot. That didn't work, and the carts were still loose, so. 2. I soldered in a new cartridge slot, did a continuity test on all of the pins (it passed) so I tried again. Still, wouldn't pass the Sega screen. 3. I soldered in a new reset button at this point for good measure. The old one had a worn out rubber cap. That works correctly now. 4. So, I tested the capacitors, some were bad, so I re-capped the board. All new capacitors passed a capacitance test and the new connections passed a continuity test. So I tried again. Same issue. Won't pass the Sega screen on known good cartridges. My question is, what do I do now since, in theory, there isn't a problem with the cartridges, cartridge slot, or capacitors?
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