Question about Texas Instruments TI-68 Calculator
Calculation ok but some vertical rows of dots matrix not displayed. It is very hard to read...
You can try opening up the calculator (an exercise in itself, need to pry it open - use a plastic prying implement if you don't want to damage the edges) and you will see the display attached to the main board with a film ribbon. Believe it or not, this is GLUED to the board. You can sometimes bring these back to life by applying heat to the join from a hair dryer. This will soften the glue and remake the connection. This worked for me once, but it was delaying the inevitable and mine is now both broken and lost :(
Posted on May 09, 2008
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