Dancing and flashing digits is NOT a typical ACT symptom. I've seen many 29C's with this problem. Most likely cause is a bad filter capacitor in the DC-DC converter inside the calculator.
Re: HP-29C: another faulty calculator through eBay...
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02-22-2006, 09:59 AM
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02-22-2006, 04:38 PM
Does anyone have any info about what Bram said below (harming the calc when using regular AA batteries)? ▼
02-23-2006, 04:01 AM
It may have been a message in this forum; I cannot remember quite right.
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02-23-2006, 04:51 AM
Bram, ▼
02-23-2006, 07:06 AM
since we are talking about series 2x calculators, here is a picture of the battery pack of my HP-21:
you can see the two alcaline batteries. They are linked on the rear by the existing springs in the HP-21 pack. I had to remove the plastic strip on the top of the pack to allow easy access to the batteries. **vp ▼
02-23-2006, 10:49 AM
Thank you, Vassilis. Clear picture. |