Introduction

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

Image 1/1: Remove the two 24.1mm Phillips screws near the front of the case.
  • 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.

Add Comment

Image 1/2: Lift off the top half of the case. Image 2/2: Lift off the top half of the case.
  • Carefully flip the computer right side up.

  • Lift off the top half of the case.

Add Comment

Image 1/2: Lift the keyboard out of the case. Image 2/2: Lift the keyboard out of the case.
  • Near the motherboard, gently pull the keyboard ribbon cable until it becomes free.

  • Lift the keyboard out of the case.

Add Comment

Image 1/3: When removing the spring door, make sure to keep the door closed. Image 2/3: When removing the spring door, make sure to keep the door closed. Image 3/3: When removing the spring door, make sure to keep the door closed.
  • 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.

Add Comment

Image 1/3: Once the jumper cables lift the motherboard up gently; it should lift out easily. Image 2/3: Once the jumper cables lift the motherboard up gently; it should lift out easily. Image 3/3: Once the jumper cables lift the motherboard up gently; it should lift out easily.
  • Remove the 5 jumper cables from the motherboard.

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

Add Comment

Image 1/2: Image 2/2:
  • Remove the two 1.6 inch screws securing the transformer.

Add Comment

Image 1/1: Note the orientation and color of the three leads. Make sure to replace these exactely as they were.
  • 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.

Add Comment

Image 1/2: Remove the entire length of cord from the case and replace with a new one. Image 2/2: Remove the entire length of cord from the case and replace with a new one.
  • 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.

Add Comment

Conclusion

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

3 other people completed this guide.

Christopher Paige

Member since: 01/21/2011

450 Reputation

3 Guides authored

Team

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

CPSU-MANESS-W11S11G24

4 Members

5 Guides authored

0 Comments

Add Comment

View Statistics:

Past 24 Hours: 0

Past 7 Days: 0

Past 30 Days: 2

All Time: 1,634