DistantStar001 Posted July 27, 2019 Share Posted July 27, 2019 I just got a Radio Shack Color Computer 2 (16k). The machine is in practically new condition, as the warranty sticker is unbroken. When I plugged it in, it booted to basic without a problem, but also makes a buzzing sound even when the computer is turned off. I've never owned a CoCo before, so I have to ask, is this normal? Quote Link to comment Share on other sites More sharing options...
+arcadeshopper Posted July 27, 2019 Share Posted July 27, 2019 I just got a Radio Shack Color Computer 2 (16k). The machine is in practically new condition, as the warranty sticker is unbroken. When I plugged it in, it booted to basic without a problem, but also makes a buzzing sound even when the computer is turned off. I've never owned a CoCo before, so I have to ask, is this normal?Likely it's the power transformer is delaminating. It's harmless. You can take it out of the case and remedy it by googling the instructions.GregSent from my LM-G820 using Tapatalk Quote Link to comment Share on other sites More sharing options...
DistantStar001 Posted July 27, 2019 Author Share Posted July 27, 2019 Is it also normal/harmless for it to get warm when powered off? Quote Link to comment Share on other sites More sharing options...
+arcadeshopper Posted July 27, 2019 Share Posted July 27, 2019 Is it also normal/harmless for it to get warm when powered off?Maybe. But I don't leave any old electronics powered when not using them.. Sent from my LM-G820 using Tapatalk Quote Link to comment Share on other sites More sharing options...
Nebulon Posted August 1, 2019 Share Posted August 1, 2019 I would say the warming while off is definitely not normal. They really shouldn't buzz either. At the very least, perhaps consider having a power bar dedicated to it and use that to switch the machine off when not in use. 1 Quote Link to comment Share on other sites More sharing options...
+arcadeshopper Posted August 1, 2019 Share Posted August 1, 2019 You should take it apart and determine which part is getting warmSent from my LM-G820 using Tapatalk Quote Link to comment Share on other sites More sharing options...
DistantStar001 Posted August 17, 2019 Author Share Posted August 17, 2019 On 8/1/2019 at 10:02 AM, arcadeshopper said: You should take it apart and determine which part is getting warm Sent from my LM-G820 using Tapatalk The heat and buzzing appears to be localized at the transformer itself. I've been trying not to leave it plugged in when not in use, but in my last test, within about 5 minutes the heat begins to build up when off, and less than 15 seconds when on. Quote Link to comment Share on other sites More sharing options...
+arcadeshopper Posted August 17, 2019 Share Posted August 17, 2019 The heat and buzzing appears to be localized at the transformer itself. I've been trying not to leave it plugged in when not in use, but in my last test, within about 5 minutes the heat begins to build up when off, and less than 15 seconds when on. Sounds like a bad transformer. Maybe can find a replacementSent from my LM-G820 using Tapatalk Quote Link to comment Share on other sites More sharing options...
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