How to repair the display
How to repair the display of a Casio FX-991ES Plus Calculator
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Scientific calculator by Casio. Widely used by students world-wide due to its great quality for the low price.
How to repair the display of a Casio FX-991ES Plus Calculator
Hi @angeltwayana ,
What is the problem with the display?
If it needs replacing unfortunately, I’ve been unable to find a replacement LCD screen. You may have better luck.
Given the cost of a new calculator it may be uneconomically viable to replace the screen even if you could find a replacement part.
If it’s just that a line may be missing in the display or certain sections of the display is not working, you could always try dis-assembling the calculator and inspect the display module connections to the systemboard in case it is a faulty connection that is causing the problem.
Always remove the power source or battery from electronic equipment before starting any repairs etc.
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itIf it’s just that a line may be missing in the display or certain sections of the display is not working,
von MD Mehedi Hasan
I just sent the CLASSPAD to the main CASIO repair facility, they quoted me all 3 main parts and wanted to charge me replacement cost to put the 3 parts together, I was expecting a software issue or an actual fix, I told them to send it back unrepaired and I will buy the big T.I. Your calculator is less than $30 where I live at the Mall, its popular here for students who have extra money to get this model, its the biggest offered here locally, if you cant find a used unit or the other model the other person suggested then just replace it. I doubt CASIO will send you the screen alone???
von Duane Donaldson
top line is missed in the display. is it software or hardware?
von ِAhmed Salah