HP-67 1805S02334 [RA and RB noisy, doesn't read but writes]
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11-21-2021, 07:51 PM
Post: #5
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RE: HP-67 1805S02334 [RA and RB noisy, doesn't read but writes]
It could be faulty CRC chips.
To be fair, they are getting on the high side of forty years old so will be more prone to failure as time marches on. Who knows, corrosion may have managed to get inside the chip, the calculator might have been dropped a few times or handled roughly over its life and caused micro fractures. cheers Tony |
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Messages In This Thread |
HP-67 1805S02334 [RA and RB noisy, doesn't read but writes] - albertofenini - 11-20-2021, 08:27 PM
RE: HP-67 1805S02334 [RA and RB noisy, doesn't read but writes] - teenix - 11-20-2021, 11:50 PM
RE: HP-67 1805S02334 [RA and RB noisy, doesn't read but writes] - albertofenini - 11-21-2021, 01:44 PM
RE: HP-67 1805S02334 [RA and RB noisy, doesn't read but writes] - albertofenini - 11-21-2021, 02:19 PM
RE: HP-67 1805S02334 [RA and RB noisy, doesn't read but writes] - teenix - 11-21-2021 07:51 PM
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