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HP-67 1805S02334 [RA and RB noisy, doesn't read but writes]
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HP-67 1805S02334 [RA and RB noisy, doesn't read but writes]
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HP-67 1805S02334 [RA and RB noisy, doesn't read but writes]
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11-20-2021, 11:50 PM
(This post was last modified: 11-20-2021 11:51 PM by teenix.)
Post: #2
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RE: HP-67 1805S02334 [RA and RB noisy, doesn't read but writes]
Maybe change the capacitors on the sense board. The 2 channels of read data have to pass through the ones connected to the CA and CB pins on the sense chip.
If the connections from the head to the sense board are the plug in type, check for corrosion on the wire ends. cheers Tony |
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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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