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Graphical glitches with 4-port


2 replies to this topic

#1 bikeguychicago OFFLINE  

bikeguychicago

    Stargunner

  • 1,298 posts
  • Location:West Dundee, IL

Posted Tue Jan 30, 2018 10:25 PM

I have a 4-port 5200 that recently started experiencing graphical glitches with certain games. Moon Patrol and Space Invaders, for instance, start normally but become corrupted as the game progresses. Pitfall appeared as a jumbled mess and can't even be started. The 4-port is one that has been modified to accept the VCS adapter. 

 

I also have a 2-port 5200 and tried both Moon Patrol and Space Invaders on there and both work fine. Pitfall, as expected, doesn't work. 

 

My phone is dead at the moment so I can't share images of what's occurring but I will update as soon as I can. If anyone has any ideas of what I can check in the meantime, please let me know.

 

Thanks!



#2 zylon OFFLINE  

zylon

    Quadrunner

  • 6,523 posts
  • 5200 OE HSC Mod
  • Location:Kennesaw, GA

Posted Wed Jan 31, 2018 2:13 PM

Sounds like a couple RAM IC's failing. Pitfall not working is expected after such a mod is done.



#3 Lynxpro OFFLINE  

Lynxpro

    River Patroller

  • 3,515 posts
  • Location:Sacramento, CA

Posted Sat Feb 3, 2018 10:03 AM

I'm just amazed an Activision cart works. None of my Activision 5200 carts work even after extensive cleaning. Yet all of my Atari and Parker Bros carts work like champs.






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