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TRS-80 Color Computer Power Cord Replacement

Introduction

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

What you need

  1. TRS-80 Color Computer Power Cord Replacement, Outside Casing: step 1, image 1 of 1

    • 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.

    Edit

  2. TRS-80 Color Computer Power Cord Replacement: step 2, image 1 of 2 TRS-80 Color Computer Power Cord Replacement: step 2, image 2 of 2

    • Carefully flip the computer right side up.

    • Lift off the top half of the case.

    Edit

  3. TRS-80 Color Computer Power Cord Replacement, Keyboard: step 3, image 1 of 2 TRS-80 Color Computer Power Cord Replacement, Keyboard: step 3, image 2 of 2

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

    • Lift the keyboard out of the case.

    Edit

  5. TRS-80 Color Computer Power Cord Replacement, Motherboard: step 4, image 1 of 3 TRS-80 Color Computer Power Cord Replacement, Motherboard: step 4, image 2 of 3 TRS-80 Color Computer Power Cord Replacement, Motherboard: step 4, image 3 of 3

    • 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.

    Edit

  6. TRS-80 Color Computer Power Cord Replacement: step 5, image 1 of 3 TRS-80 Color Computer Power Cord Replacement: step 5, image 2 of 3 TRS-80 Color Computer Power Cord Replacement: step 5, image 3 of 3

    • Remove the 5 jumper cables from the motherboard.

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

    Edit

  7. TRS-80 Color Computer Power Cord Replacement, Power Cord: step 6, image 1 of 2 TRS-80 Color Computer Power Cord Replacement, Power Cord: step 6, image 2 of 2

    • Remove the two 1.6 inch screws securing the transformer.

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  8. TRS-80 Color Computer Power Cord Replacement: step 7, image 1 of 1

    • 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.

    Edit

  9. TRS-80 Color Computer Power Cord Replacement: step 8, image 1 of 2 TRS-80 Color Computer Power Cord Replacement: step 8, image 2 of 2

    • 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.

    Edit
Conclusion

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

5 other people completed this guide.

Author

with 5 other contributors

Christopher Paige

Member since: 01/21/11

549 Reputation

3 Guides authored

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Team

Cal Poly, Team 11-24, Maness Winter 2011 Member of Cal Poly, Team 11-24, Maness Winter 2011

CPSU-MANESS-W11S11G24

4 Members

10 Guides authored

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