Preppie Posted October 8, 2021 Share Posted October 8, 2021 I recently picked up a couple of uk pal TI99/4a but when testing the power bricks one of them blew the houses RCA (the other was fine and powered the machines). I did some searching but all I found was ways to replace the internal DC psu. Is there no easy way to fix the external AC brick? I'm not knowledgable about electronics but I can solder and follow instructions. Quote Link to comment Share on other sites More sharing options...
Hans23 Posted October 8, 2021 Share Posted October 8, 2021 If the mains transformer is blown (i.e. shorted), it requires special skills and tools to fix (basically, you need to be DiodeGoneWild :D ). It will be pretty difficult to find a replacement transformer that fits into the case, so finding a replacement brick is or completely replacing both the mains converter and the internal PSU board with a modern solution would probably be easier. 3 Quote Link to comment Share on other sites More sharing options...
Preppie Posted October 8, 2021 Author Share Posted October 8, 2021 Thanks for confirming my suspicions. I'm sure I would have found an easy fix if there was one out there, but I wanted to double check. Quote Link to comment Share on other sites More sharing options...
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