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HP48G Hardware Troubleshooting Questions/Tips
10-12-2019, 01:24 AM
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mfleming Offline
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RE: HP48G Hardware Troubleshooting Questions/Tips
A crude approach I applied recently is to swap cpu boards with a known good 48s|g calculator. You can also find schematics here at hpcalc.org:

https://www.hpcalc.org/details/3543

Those may provide help finding a clock signal, address line, etc. to see if the cpu is functioning.
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RE: HP48G Hardware Troubleshooting Questions/Tips - mfleming - 10-12-2019 01:24 AM



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