Home Technology CASIO FX-880P Deepest Computer Teardown

CASIO FX-880P Deepest Computer Teardown

I possess CASIO for the length of the 80’s exemplified peak keep, engineering and quality regulate (with what they’d at their disposal in the 80’s). FX-880P is the flagship calculator mannequin with a built in scientific library. Sadly, the one I even comprise does no longer work anymore, but that mustn’t ever forestall us from taking it apart.

Classic 80's flair - checkout the Neon tube aesthetic in the background.
Traditional 80’s flair – checkout the Neon tube glorious in the background.
Manual also in French. 429 pages.
Handbook additionally in French. 429 pages.
The FX-880P encased with a sliding cover.
The FX-880P encased with a sliding duvet.
Made in Japan.
Made in Japan.
This was one of the last models to use aluminium case - both front and back with a plastic core.
This develop into one in every of the last devices to make exercise of aluminium case – each front and encourage with a plastic core. 
Inside of the cover.
Inner of the disguise.
In all its glory. The FX-880P “Deepest Computer”.
Support duvet constituted of Aluminium sheet steel
Integrated screw posts
Battery changing directions
2x 90 diploma bends + corner bend
3x Batteries
Enlargement module slot
Plastic battery duvet, indicate the ejection pin marks
Battery compartment duvet (outer), all sheet steel
Soldering job, par for the route, 80’s electronics
Inner construction is nothing to jot down home about. Tape, glue, ribbon contacts, and so forth.
Here’s what I be pleased about frail electronics – they gave manual controls for all the pieces.
Wow, speaker. 
Rubber dome keyboard with carbon pads.
Attention-grabbing contact points. Particular share with warmth applied to fasten it.
LCD. This stuff are notoriously unfortunate, especially contacts.
Melted plastic to precise the nut. Potentially better than plastic threaded screws (self tapping).

I be pleased this calculator/laptop(?). The out of doors construction quality is de facto prime notch. Insides are barely rough, but that’s to be expected for 80’s manufacturing capabilities. They did no longer comprise access to in actual fact educated tapes (Nitto) and a full bunch of industries that cater to minute electronics manufacturing. Whereas you happen to ever originate an iPhone, there’s an amazing amount of programs engineering and DFM/DFA that has consequence in a enlighten in making parts that aid meeting.

What I be pleased about CASIO is that they’ve a consistent keep language and I originate no longer suggest actual the aesthetics. The vogue they invent their products, the most effective map they keep them usable and understandable to the user, the most effective map they train the advise of the system, the operability, and so forth. This keep language modified over time because the firm developed. The family of products that released in 1983 were hundreds of than 1993 in terms of keep.

If somone designed a calculator on the original time, they’d more than seemingly be constituted of ABS plastic, in a clamshell case. An ARM microcontroller that replaces in actual fact 70% of the chips, and it’d be no longer seemingly to repair. LCD might possibly possibly well be glued in, self tapping screws, and no further-mile attemps to amplify the quality. Infact, the reverse. Contemporary electronics actual feel be pleased everyone is trying and dawdle to the bottom, decrease costs the least bit costs!

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