TempterOfFate Posted October 14, 2021 Share Posted October 14, 2021 Hello, I'm looking for someplace that will repair my Jaguar's Cartridge port. I have the socket itself, but I'm looking for someone to do the actual repair. I don't want to turn anyone off, but only if you're confident you should do the repair. Please let me know if anyone knows anything about this. Thank you. Quote Link to comment Share on other sites More sharing options...
JagChris Posted October 15, 2021 Share Posted October 15, 2021 There are videos online if this being done. You can probably take it to any local electronics place and see if they will do it. Quote Link to comment Share on other sites More sharing options...
TempterOfFate Posted October 15, 2021 Author Share Posted October 15, 2021 1 hour ago, JagChris said: There are videos online if this being done. You can probably take it to any local electronics place and see if they will do it. Thanks. I've been looking around and think I found someone to do it. I'm not too keen on taking a soldering iron to a jag since my history with high pin count replacements is not too great. 1 Quote Link to comment Share on other sites More sharing options...
Zerosquare Posted October 16, 2021 Share Posted October 16, 2021 Here's a thread with tips for replacing the connector: Quote Link to comment Share on other sites More sharing options...
+af0l Posted October 16, 2021 Share Posted October 16, 2021 I did it on two Jags so far. Both are doing fine. Where are you located? Quote Link to comment Share on other sites More sharing options...
TempterOfFate Posted October 16, 2021 Author Share Posted October 16, 2021 3 hours ago, af0l said: I did it on two Jags so far. Both are doing fine. Where are you located? I was able to find someone to repair it for me, honestly I'm usually confident enough to do these repairs myself but I don't want to mess up my Jag since I already overpaid for it. 1 Quote Link to comment Share on other sites More sharing options...
+af0l Posted October 16, 2021 Share Posted October 16, 2021 Desoldering gun and some patience. I hope your guy gets it done. 2 Quote Link to comment Share on other sites More sharing options...
doctorclu Posted March 12, 2022 Share Posted March 12, 2022 Hey I'll just add this on here, got a Jaguar where the output might be wearing out. Or power? Power light comes on, but no display or sound, just black. If there is anyone that does repairs on Jaguars would like to make your acquaintance.. Quote Link to comment Share on other sites More sharing options...
Wilco Posted March 12, 2022 Share Posted March 12, 2022 My jag had some video problems, I cleaned the video connector on the back like I’d clean a cart and it worked fine again. I don’t know how common a dirty video port is, but it probably won’t hurt to try and clean it. 1 Quote Link to comment Share on other sites More sharing options...
+cubanismo Posted March 12, 2022 Share Posted March 12, 2022 5 hours ago, doctorclu said: Hey I'll just add this on here, got a Jaguar where the output might be wearing out. Or power? Power light comes on, but no display or sound, just black. Generally in my experience this means something larger is wrong and the BIOS boot code isn't running properly so the system crashes before display or sound come up. Quote Link to comment Share on other sites More sharing options...
+Stephen Moss Posted March 14, 2022 Share Posted March 14, 2022 On 3/12/2022 at 12:51 PM, doctorclu said: Hey I'll just add this on here, got a Jaguar where the output might be wearing out. Or power? Power light comes on, but no display or sound, just black. I am looking at a Jag with the same problem black screen, no audio, not boot screen. Power & clocks check out. Some testing with Skunkboard and loading to RAM the program I was using ran so my initial thought was that it was an problem accessing the cartridge space as software loaded to RAM was working. However, my initial test program was quite small, I tried other progressively larger files which worked up to a certain size, and then back the the Back screen. Same thing happened when trying the same programs from RAM. So now I am thinking it may be a RAM problem, although I cannot be certain I get time to write a RAM test program that is small enough run. I am hoping that if it is a RAM problem the test program will help to identify if that is the problem and if so where precisely where the problem lies. Quote Link to comment Share on other sites More sharing options...
Zerosquare Posted March 14, 2022 Share Posted March 14, 2022 Have you tried flashing and running the diagnostic cartridge image? It includes a RAM test. Quote Link to comment Share on other sites More sharing options...
doctorclu Posted March 14, 2022 Share Posted March 14, 2022 2 hours ago, Zerosquare said: Have you tried flashing and running the diagnostic cartridge image? It includes a RAM test. Where can I find the rom image? Quote Link to comment Share on other sites More sharing options...
Zerosquare Posted March 14, 2022 Share Posted March 14, 2022 https://atariage.com/forums/topic/296623-jaguar-audiovideo-test-software/?do=findComment&comment=4360342 Quote Link to comment Share on other sites More sharing options...
+Stephen Moss Posted March 15, 2022 Share Posted March 15, 2022 20 hours ago, Zerosquare said: Have you tried flashing and running the diagnostic cartridge image? It includes a RAM test. It is bigger than the largest file I get to run on the defective Jaguar so I do not think it would work. Additionally, I tried running the diagnostic cart on my Jag a couple of years ago and it did not appear to do anything and am sure I waited longer than the 6 seconds for it to start, I will try it again when I have time. There was a post on here recently that indicated it would only work without PC end connected unless it was set to automatic mode, so maybe that was the problem. A copy of the EEPROM with that setting was provided but how would the cartridge image file read the EEPROM file when using the SkunkBoard? Quote Link to comment Share on other sites More sharing options...
+cubanismo Posted March 15, 2022 Share Posted March 15, 2022 You'll need a Skunkboard with an EEPROM on it, meaning Rev. 4 or higher, or mod a lower-revision board to include an EEPROM yourself, as described briefly here: It's a pretty easy mod. All you need is some wire and the regular 93C46 serial EEPROM chip. That said, does the diag cart work on a 16-bit cartridge and with the Skunk BIOS's boot? Some things don't. Quote Link to comment Share on other sites More sharing options...
Zerosquare Posted March 15, 2022 Share Posted March 15, 2022 I don't believe the test cartridge requires an EEPROM (what would be the point, anyways?). If you don't get anything on the screen, you can try the serial port, the cartridge supports it too: Quote Link to comment Share on other sites More sharing options...
+cubanismo Posted March 15, 2022 Share Posted March 15, 2022 It doesn't require an EEPROM from my understanding, but it defaults to requiring input over the serial connection if you don't have it set to auto-run some test in the EEPROM from my understanding, so yes you need one or the other. 1 Quote Link to comment Share on other sites More sharing options...
+cubanismo Posted March 17, 2022 Share Posted March 17, 2022 FWIW, I tried the diagnostic cart on a Skunkboard with the auto-run EEPROM image, and it seems to run. I can't see the output as I don't have a serial adapter yet, but various test-sequence-looking images go by on the display. 1 Quote Link to comment Share on other sites More sharing options...
+Mitch Posted March 17, 2022 Share Posted March 17, 2022 It is nice to hear that it works. Which serial adapter are you thinking about building? The RJ12 to 9pin adapter to plug into a Jaglink? Mitch Quote Link to comment Share on other sites More sharing options...
+cubanismo Posted March 17, 2022 Share Posted March 17, 2022 2 minutes ago, Mitch said: It is nice to hear that it works. Which serial adapter are you thinking about building? The RJ12 to 9pin adapter to plug into a Jaglink? Mitch Yes. I have a USB->DB9 serial adapter laying around here somewhere to plug it into, the Jaglink, a lot of RJ11 cable from the 90's, and a DB9 header. Just need to stop being lazy and solder it all together. Quote Link to comment Share on other sites More sharing options...
+Mitch Posted March 17, 2022 Share Posted March 17, 2022 This is what I used: https://www.amazon.com/dp/B0016RO1I8 Mitch 1 Quote Link to comment Share on other sites More sharing options...
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