HP-65 - 1605A02841 - Weird display behavior
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02-11-2020, 11:23 PM
(This post was last modified: 02-11-2020 11:25 PM by teenix.)
Post: #6
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RE: HP-65 - 1605A02841 - Weird display behavior
(02-11-2020 10:04 PM)albertofenini Wrote: Hi Tony, hi everyone Good to see you found the card reader problem. Making a replacement for the sense chip has been playing on my mind but I think it would be a challenging task although possible. Here is an excerpt from my Classic display notes showing the 5 wave forms and the RCD pulse while 0.00 is on the display. These waveforms will repeat every 280uS with a flat signal in between because of the other blank digits. cheers Tony |
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