Hp-41C card reader - dead
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05-21-2022, 04:47 PM
Post: #91
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RE: Hp-41C card reader - dead
the 'tunnel' I insert the card into seems void of any sensors though. There is a clear LED under the tunnel and above it, soldered to the PCB, what I believe an optical sensor.
The motor by itself with a battery works. So it could be that the sockets where the motor cables are inserted could be oxidised? WD40 for electrical contacts could work? Thank you M |
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