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+--- Thread: HP-48SX ON Key (/thread-15163.html)
HP-48SX ON Key - Juan_ - 06-08-2020 11:52 PM
Hello,
The ON key in my HP-48SX stopped working. I cannot turn the calculator on.
I understand this is an age-related problem.
Is this a way to repair this? Does repair involve opening the calculator?
Thanks in advance.
Juan
RE: HP-48SX ON Key - BillBee - 06-09-2020 11:15 AM
If pushing gently under the display causes the "on" button to work it is probably the foam strip under the ribbon connector. From what I have read a common issue for many models. If you are lucky you can just use the "pressure method" to turn it off/on (until it stops all together).
A friend had this issue with his 48s and while daunting it can be done. IIRC there are a few people who can repair it here if it is the foam strip.
There are a bunch of threads here on it too - taking it apart and reassembly. The 48g is the same procedure so check those threads too.
-B