tillenterprises Posted October 12, 2011 Share Posted October 12, 2011 Hi folks, A couple months ago my Colecovision started acting weird. Player one is stuck in moving left mode and I believe a fire button is also constantly acting as if pressed on player one. No, it's not the controller, as I've unplugged the controller entirely and it still does it. I've also tried other controllers, and there's no change. So, I thought it must be a problem with the PCB. I also removed the PCB and checked the soldering on the player one joystick port to see if there was a short or a bad solder joint somewhere, but all seems fine. Could something have zapped the board and caused this? BTW, player 2 joystick port is working fine. Can anybody suggest something else for me to check? if I can't fix this myself, would somebody be able to fix this for me if I send it to you for a reasonable price? I also have another non-working CV I could perhaps trade you in exchange for fixing this one if you're interested... Please respond to joe@tillenterprises.com as I don't always check the forums. Thanks!!! Quote Link to comment Share on other sites More sharing options...
Pixelboy Posted October 12, 2011 Share Posted October 12, 2011 Sounds like another customer for you, Yurkie. 2 Quote Link to comment Share on other sites More sharing options...
+5-11under Posted October 12, 2011 Share Posted October 12, 2011 For the DIY route, check this link... | | V Quote Link to comment Share on other sites More sharing options...
+Yurkie Posted October 12, 2011 Share Posted October 12, 2011 Sounds like the octal buffer IC (controller chip). $20 repair. I will replace the original IC with a socket and install a new IC. By all means feel free to DIY, if you have strong soldering skills. It is pretty easy to mess up traces, plated thru holes and pads on the PCB. 1 Quote Link to comment Share on other sites More sharing options...
oldjd Posted October 13, 2011 Share Posted October 13, 2011 Octal buffer?Sounds kinky Quote Link to comment Share on other sites More sharing options...
Madaracs Posted October 13, 2011 Share Posted October 13, 2011 Believe him when he says you need -strong- soldering skills too. You'll want to have the right tools to remove the solder from the IC or you'll do what I did... and burn the board beyond repair trying to use braid. It's really worth it to have Yurkie do the repair. Then you don't have to spend $20 in soldering materials--or worse yet buy a new board. 1 Quote Link to comment Share on other sites More sharing options...
raskar42 Posted October 13, 2011 Share Posted October 13, 2011 Octal buffer?Sounds kinky buffer? i hardly know her. 1 Quote Link to comment Share on other sites More sharing options...
tillenterprises Posted October 31, 2011 Author Share Posted October 31, 2011 Thanks for your advice, everybody, but is there anybody else other than Yurkie who fixes and/or mods Colecovisions that you could recommend?. I would like to do the DIY, but I am so busy with business right now that I don't have time. If there is nobody else, where can I get this controller IC chip, and I guess I'll just do it myself. Thanks! Quote Link to comment Share on other sites More sharing options...
bennybingo Posted October 31, 2011 Share Posted October 31, 2011 Yurkie has refurbed two of my CV consoles (one for me and one for a friend). He does top notch work and turns things around incredibly fast. IMHO, Yurkie is the only way to go. Additionally, if you want an upgrade, he can trick your console out with the pause button, A/V mod, BIOS skip and ball knob controllers. His work is highly recommended. Quote Link to comment Share on other sites More sharing options...
tillenterprises Posted October 31, 2011 Author Share Posted October 31, 2011 Thanks Benny, but Yurkie is a no-go with me (long story). I'll probably just get the IC chip for the controller and fix it myself. I've repaired a ton of arcade games, so this shouldn't be a problem- just a matter of trying to find the time to do.it. Quote Link to comment Share on other sites More sharing options...
SlowCoder Posted October 31, 2011 Share Posted October 31, 2011 Maybe you could pick up a dead CV on ebay, and part it out. Quote Link to comment Share on other sites More sharing options...
simbalion Posted December 25, 2011 Share Posted December 25, 2011 Actually, I just got a Colecovision for Christmas and everything is working fine but the second controller. Even with the controller unplugged, the second player is stuck on constant 'fire'. I've got another Colecovision with noisy AV, but both controllers work perfectly with it. Quote Link to comment Share on other sites More sharing options...
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