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Insert your index finger in the open slot below the keys.
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Apply a firm upward force until the bottom two tabs located near the bottom of the plate come off.
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Grab the face plate on each side near the middle and apply a gentle upward force on each side until the middle tabs come off.
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Lift the face plate upward until the top three tabs come off and the face plate is completely detached.
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Push firmly down on the tab located on the back of the calculator near the center.
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Pull the tab up, lifting it off of the calculator and exposing the batteries.
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Push the positive (+) side of the batteries to remove them
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Using the Phillips #00 Screwdriver, unscrew the 15 mm screw holding the backup battery cover, located above the main battery area.
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Grab the plate and lift gently upward, to remove the backup battery cover.
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Wedge the small plastic opening tool under the backup battery in the gap to the left of the backup battery.
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Push gently downward until the backup battery pops out.
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Unscrew the six 8.5 mm screws located on the perimeter of the back cover using the Precision T6 Torx Screwdriver.
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Wedge the large plastic opening tool in the gap at the bottom between the top and bottom covers.
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Apply a gentle downward force to separate the top cover from the bottom cover.
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Wedge the large plastic opening tool in the gaps along each side to unhook the side clips.
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Pull the bottom cover apart from the top cover.
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Unscrew the two 5 mm screws at the bottom of the silver sheet using the Phillips #00 Screwdriver.
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Pull up on the silver sheet from the top to remove it from the calculator.
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Unscrew the four 5 mm screws on the sides of the mother board Phillips #00 Screwdriver.
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Pry the motherboard out from the bottom of the front casing using the large plastic opening tool.
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5 Комментариев
Where can I buy the screen/motherboard?
Did you find out where to purchase the screen/motherboard? Having trouble finding it online.
Thanks.
any update on where to fin a motherboard/screen? i found a youtube video which showed how to replace the screen flex, by soldering on new wires, and have read that the only way to get parts is from another calculator, can anyone confirm this?
Yeah - I can't find one to buy either. Your instructions look great though.
I don’t believe you can buy the motherboard anywhere. However you can salvage them out of other damaged calculators.