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More Investigation of the Malfunctioning Time Base RESET Lamp in my HP-1421A.
I remember looking at that 1821A on eevblog and it took me a while to realize that the push-button and lamp were both in the same component.? I thought that was rather nice but then if you can't repair/replace it, then maybe not. I pulled the front panel and replaced the neon with the new one and it works great now.? So happy over a little lamp working but I take my fun wherever I can get it. Thanks, Barry - N4BUQ The same problem I mentioned with my 1821A then, in the "how to test an NE75" thread a while back, at least you have access to the neon in 1421A. |
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