Introducción

Replace an aging power cord on the TRS-80 Color Computer.

Flip the computer over.
  • Flip the computer over.

  • Remove the two 24.1mm Phillips screws near the front of the case.

  • Remove the five 33.0 mm Phillips screws towards the back of the case.

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Carefully flip the computer right side up.
  • Carefully flip the computer right side up.

  • Lift off the top half of the case.

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  • Near the motherboard, gently pull the keyboard ribbon cable until it becomes free.

  • Lift the keyboard out of the case.

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  • Remove the nine 15.24 mm Phillips screws securing the motherboard in place.

  • When removing the spring door, make sure to keep the door closed.

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  • Remove the 5 jumper cables from the motherboard.

  • Once the jumper cables lift the motherboard up gently; it should lift out easily.

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  • Remove the two 1.6 inch screws securing the transformer.

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  • Remove the power cord's three leads from the transformer.

  • Note the orientation and color of the three leads. Make sure to replace these exactely as they were.

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  • Using needle-nose pliers, pinch the tabs of the grommet holding the power cord to the case and push the grommet out.

  • Remove the entire length of cord from the case and replace with a new one.

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Conclusión

To reassemble your device, follow these instructions in reverse order.

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Equipo

Cal Poly, Team 11-24, Maness Winter 2011 Miembro de Cal Poly, Team 11-24, Maness Winter 2011

CPSU-MANESS-W11S11G24

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