[cctalk] Re: Identifying a Failed Diode in a Rainbow H7842 Power Supply

2022-11-21 Thread Mattis Lind via cctalk
Hello Rob! > > Given that before the transistor blew up there had clearly been another > failure somewhere else, I tried to find the original failure. There were no > obviously damaged parts, so I just probed around near the transistor for > any > parts that were open circuit or short circuit. I

[cctalk] Re: Identifying a Failed Diode in a Rainbow H7842 Power Supply

2022-11-21 Thread Antonio Carlini via cctalk
On 20/11/2022 21:03, Rob Jarratt wrote: Thanks Antonio, The location of the diode is arrowed on this picture: https://rjarratt.files.wordpress.com/2022/11/img_20221120_205802-arrowed.jpg You can also see the heatsink where the transistor used to be. This is mine: