Hi all,
I have a HP-65 wich is in very good condition except the keys. Mainly at the center of the keyboard, around the "8" key, those keys are very low, I would say almost at the half height. They don't make good contact also. I've open the calculator already and cleaned the keyboard PCB using a wet contact cleaner spray and blowing it with an air spray too, which improved the electrical contact but the keys are still down. How could I solve this problem (if there is a solution...)?
Thanks in advance for any suggestion!
Luis
HP-65 low keys
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