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I doubt you would forget a shorted regulator... that would likely blow every chip on the board, or perhaps if there are many chips, the quick rise in current would take down the power supply? I have repaired boards that were hit by lightning... I recall needing to change nearly every chip... with only a few original chips working, I changed those too, just in case there was any kind of hidden damage. In hind sight, I think those type of boards should be scrapped.
> Date: Mon, 23 Feb 2015 06:30:52 -0800 > From: gregor...@gmail.com > To: n8vem...@googlegroups.com > Subject: RE: [N8VEM-S100:6419] Discussion About Filter Capacitors > > I don't remember a shorted 7805, but I could have missed one through the years. > Majority had no voltage (+5V) output, failed open. > > -- > You received this message because you are subscribed to the Google Groups "N8VEM-S100" group. > To unsubscribe from this group and stop receiving emails from it, send an email to n8vem-s100+...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. |