38E: dot in upper left corner of display
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01-16-2020, 05:47 AM
Post: #7
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RE: 38E: dot in upper left corner of display
(01-16-2020 03:22 AM)Dave Britten Wrote: I'm a bit suspicious of oxidation on the power switch, actually. The dot flickers very slightly when monkeying with the switch. I gave the PCB a quick scrub with alcohol on a swab, but it still looked fairly ugly. I may open it up again tomorrow and see if I can get it any cleaner. The actual switch contact may have crud build up as well. Possible, but unlikely, the contact tension might be less than normal. Easy to tweak if so. cheers Tony |
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