coachbrj Posted May 28, 2020 Share Posted May 28, 2020 He's had my 5200 for quite some time! Quote Link to comment Share on other sites More sharing options...
0078265317 Posted May 29, 2020 Share Posted May 29, 2020 12 hours ago, coachbrj said: He's had my 5200 for quite some time! Repairing it? Quote Link to comment Share on other sites More sharing options...
coachbrj Posted June 14, 2020 Author Share Posted June 14, 2020 Yes. I'd love to get it back. Quote Link to comment Share on other sites More sharing options...
+-^CrossBow^- Posted June 14, 2020 Share Posted June 14, 2020 17 minutes ago, coachbrj said: Yes. I'd love to get it back. What was wrong with it, if I may ask? Quote Link to comment Share on other sites More sharing options...
0078265317 Posted June 14, 2020 Share Posted June 14, 2020 7 hours ago, -^CrossBow^- said: What was wrong with it, if I may ask? Mine was being fixed too. Power but no video. Quote Link to comment Share on other sites More sharing options...
BIGHMW Posted June 15, 2020 Share Posted June 15, 2020 Now that I got my Atarimax SD multicart back I'd love for him to fix my CX53 Trak-Ball, it doesn't work, there are multiple things wrong with it, and I would love to be able to play Missile Command, Centipede and Millipede the "proper" way again. Quote Link to comment Share on other sites More sharing options...
+DrVenkman Posted June 15, 2020 Share Posted June 15, 2020 7 hours ago, BIGHMW said: Now that I got my Atarimax SD multicart back I'd love for him to fix my CX53 Trak-Ball, it doesn't work, there are multiple things wrong with it, and I would love to be able to play Missile Command, Centipede and Millipede the "proper" way again. The Trak-Ball isn’t that complicated inside. There are few pieces of “unobtainium” inside (I believe the opto-encoders aren’t produced anymore), but most of the things that go wrong are logic chips which are still readily available. There’s a pretty good schematic and TB troubleshooting guide in the 5200 Field Service Manual, if I recall correctly. I used that, plus advice from Dan Kramer on Facebook to fix mine a few years ago. Quote Link to comment Share on other sites More sharing options...
coachbrj Posted August 2, 2020 Author Share Posted August 2, 2020 On 6/14/2020 at 10:28 AM, -^CrossBow^- said: What was wrong with it, if I may ask? Green screen upon turning it on. Quote Link to comment Share on other sites More sharing options...
+DrVenkman Posted August 2, 2020 Share Posted August 2, 2020 1 hour ago, coachbrj said: Green screen upon turning it on. Probably a bad SALLY, bad BIOS chip or bad DRAM chip, in that order. At least that’s what I’d be looking into with it. Quote Link to comment Share on other sites More sharing options...
+-^CrossBow^- Posted August 2, 2020 Share Posted August 2, 2020 34 minutes ago, DrVenkman said: Probably a bad SALLY, bad BIOS chip or bad DRAM chip, in that order. At least that’s what I’d be looking into with it. It is interesting you mention those in that order because I had always been lead to believe in reading about the 5200 in the past, that the video ram was always problematic and highly prone to failure. But I've only had to replace the ram chips in two different 5200s. But I've had to replace semi faulty 4-port BIOS rev.1 chips about 3 times and I think the 2-port BIOS maybe twice? I've only had to replace the CPU on one 5200 so far. But those two 5200s that did have faulty RAM, didn't just have one bad chip. I had to replace 2 of them in one, and like 4 of them in another? So I assume they have a tendency to go out in pairs? Quote Link to comment Share on other sites More sharing options...
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