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Use the diagnostics or cleaning guide to test the braille cells to determine which, if any, need to be replaced or deep cleaned. Remember to check all buttons too.
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Ensure the device is powered off.
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Remove the 4 PH1 bolts from the bottom of the device.
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The back plate is hinged at the top of the device back. Carefully rotate the back plate upwards and remove.
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Note: All 4 bolts are the same size.
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Note: The buttons will fall out if the device is rotated upside down.
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Disconnect the battery by unplugging it.
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Note: The battery is usually stuck to the motherboard with double sided tape.
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Remove the 4 PH00 bolts securing the front buttons circuit board.
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Remove the 2 T5 screws securing the spacebar switch.
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Gently using a Size 1 Flat Head lever remove the cells from their sockets as shown to access the mainboard screws below.
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Remove the 7 PH00 screws from the main circuit board.
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Note: To reinstall the cells insert it back between the pins and gently push down on the connector.
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Carefully lift out the main board. Be careful with the power supply daughter board which is slotted in place to the case.
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Disconnect as necessary.
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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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