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+--- Thread: Repairing HP-41CY TURBO from W&W (/thread-10932.html)
Repairing HP-41CY TURBO from W&W - cellfun - 06-17-2018 06:03 PM
Hello all,
Finally, I got the HP-41CY TURBO
... Unfortunately, it doesn't work... 
After putting new batteries I see a "MEMORY LOST"-message only. Nothing happens while pressing the buttons.
Any ideas what can be the cause?
Some additional questions:
- what kind of batterie is used for the W&W-Board - a 3V or 5V?
- I found another micro-switch on the W&W-Board - but what for?
Any help or a hint is highly appreciated.
Kind regards,
cellfun
RE: Repairing HP-41CY TURBO from W&W - Massimo Gnerucci - 06-17-2018 07:33 PM
(06-17-2018 06:03 PM)cellfun Wrote: Hello all,
Finally, I got the HP-41CY TURBO
After putting new batteries I see a "MEMORY LOST"-message only. Nothing happens while pressing the buttons.
Any ideas what can be the cause?
Some additional questions:
- what kind of batterie is used for the W&W-Board - a 3V or 5V?
- I found another micro-switch on the W&W-Board - but what for?
Any help or a hint is highly appreciated.
Kind regards,
cellfun
You may find some pointers here, here and here.
HTH
RE: Repairing HP-41CY TURBO from W&W - CY-CL - 06-18-2018 03:31 PM
CY - Part 1
CY - Part 2
Sorry, all written in German.
RE: Repairing HP-41CY TURBO from W&W - CY-CL - 06-18-2018 03:35 PM
You can ask Raymond... he offers a full restoring service for the HP-41CY
Raymond's Profile