Introduction
Removing the TRS-80 Color Computer's motherboard.
Tools
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Flip the computer over.
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Remove the two 24.1mm Phillips screws near the front of the case.
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Remove the five 33.0 mm Phillips screws towards the back of the case.
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Near the motherboard, gently pull the keyboard ribbon cable until it becomes free.
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Lift the keyboard out of the case.
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Remove the nine 15.24 mm Phillips screws securing the motherboard in place.
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When removing the spring door, make sure to keep the door closed.
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Remove the 5 jumper cables from the motherboard.
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Once the jumper cables lift the motherboard up gently; it should lift out easily.
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Conclusion
To reassemble your device, follow these instructions in reverse order.