[sdiy] SPV-355 -15V rail issue

Todd Sines sines_list at scale.la
Fri Jun 16 19:12:24 CEST 2023


I have an SPV-355 that was behaving adequately fine until recently. Unit will power on, (and LEDs illuminate correctly) if the -15V LM7915 is unplugged, when engaged, it shorts and blows both fuses. 

Wonder if anyone’s encountered this and if so, what did you do, or where did you look first?


Todd
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