PSU Brand: NMB Partno.: J09PA-01204060D Transistor Q20 (BUX86P) was broken, it was getting hot as I look at the board. There was glue arround Q20 & R201 that came very very hard. My guess is that because of the glue the pins of Q20 have been pulled out of the solder joints and caused even […]
I designed a membrane to attach a replacement joystick cable to a Vectrex controller. Easy to attach and hold the replacement cable inplace. Download model from thingiverse See my other designs..
CD32 came in for recap and problem with video output. Video output was very bad. Problem was U36 (HC4066), output voltages on pin 2,4 & 8 were around ~200mV. I guess electrolyte has entered the IC housing through the pins and damaged the IC from inside, replace it and the video output was excellent again. […]