So I come to own several Texas instruments TI-30XB calculators that all have broken screens, I have been trying to find replacement screens but cannot find any. Does anyone know where i could source some replacements?
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First, I would recommend checking the ribbon flex to the LCD. It could be the problem, and the LCD is actually fine.
If you do need to replace the LCD, there is a replacement guide here. Be aware that soldering is required. Also, I would recommend desoldering the ribbon flex, not just ripping it off as is suggested in the replacement guide.
I believe the TI-30XB uses a 16x4 line dot-matrix display, but I can’t find it anywhere. Calculators are notoriously hard to find parts for - replacement parts for the TI-30XB may not be available at all. You may need to find a ‘donor’ calculator to supply the screen. I would start by looking for some old TI-30XB’s or XS’s on eBay and using them for parts.
You could contact the guys at CalculatorSource - if anyone can help to source parts; they can. Their contact details are here.
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