Casio fx-5000F Scientific Calculators: parallel computing made simple

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Tear down

to inspect the inside and have a cleaning.
2 x CR2032 batteries for a total of 6Volt are required to power this unit.




Inner frame in place over the PCA.
Six self tap screws fix it in place.
Note the shielding/grounding spring at top center. Care is required to inset it in inner frame pass thru hole, while keeping the power switch in the correct position.
Power switch in its bed at the inner frame.




Inner frame latches, at the display side.





PCA installed over the keyboard membrane.
Note the shielding/grounding spring at the top center.
The PCA is free now to be lifted. Care is required to not damage the LCD display when removing it from its position.



Keyboard membrane and keyboard rubber keys side view.




Keyboard membrane over the rubber keyboard, PCA side view.
Rubber keyboard painted keys.