Thanks. I ended up ruling out the external power supply by trying another similarly rated one and the clock doing the same.
On Saturday, May 7, 2016 at 10:53:45 AM UTC-4, Mike Mitchell wrote: > > Judging by the photo MichaelB posted, the 12v wall brick plugs into a jack > near the rear center of the board. With the clock plugged in, measure the > voltage across the metal lead at the back of the jack (positive) and the > exposed part of the plug. You may have to withdraw the plug slightly to > give you room for your meter lead. > > > On Friday, May 6, 2016 at 1:15:17 PM UTC-4, Quincy wrote: >> >> Thanks. How do I check a wallbrick without a load? I assume it only >> puts out the voltage it says under the load it's designed for, and without >> a load the voltage would be way off. >> >> On Friday, May 6, 2016 at 8:02:10 AM UTC-4, Mike Mitchell wrote: >>> >>> Another component to check is the wall-brick power supply. I have a >>> clock with a 4-amp 5v supply, it worked fine for over a year then started >>> acting strangely. Under load the wall brick was only putting out 3.5v, no >>> load it was up at 5v. I replaced the wall brick and all is well. >>> http://transistorclock.com/cal/index.html >>> >>> >>> -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to neonixie-l+unsubscr...@googlegroups.com. To post to this group, send an email to neonixie-l@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/07d70279-c29c-4e3c-aea1-2446c2910c4f%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
