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.