소개
In the event, the keyboard keys are not working properly and you will need to replace them individually. This guide will be showing you how to fix it.
필요한 것
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Use plastic spudger to separate backplate from the front-plate. Place the flat end of the spudger in the seam between the front and back, near one end of the calculator. Then slide the spudger towards the calculator's center. The two sides will pop free from each other as you go through it with the spudger.
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Using the pointed end of the nylon spudger, carefully pry an edge of the battery, and lift the battery from its socket.
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Using the plastic spudger, carefully pry the battery terminals from the front plate. If the plastic spudger is too weak for prying out the terminals, use the small metal spudger.By Carefully bending and/or prying the little teeth on the terminals upwards you can easily remove them.
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Starting from one corner of the keyboard mat, slowly peel the mat from the front plate and individual keys.
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Select which key you need to remove, then using the Angled ESD Tweezers pick up the key, and pull it free from the face plate.
I would think that the usual problem would be the conductive rubber keypad or the PCB contacts. Cleaning these with a cotton bud dipped in isopropyl alcohol should fix it.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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