简介

Replace a broken fuse on the TRS-80 Color Computer's power supply.

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. Lift off the top half of the case.
  • 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.
  • 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. 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.

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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. 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.

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Remove the two 40.6mm Philips screws securing the TRS-80 transformer. Remove the two 40.6mm Philips screws securing the TRS-80 transformer.
  • Remove the two 40.6mm Philips screws securing the TRS-80 transformer.

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Remove the power cable jumpers from the power supply. Remove the power cable jumpers from the power supply. Remove the power cable jumpers from the power supply.
  • Remove the power cable jumpers from the power supply.

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Gently peel back the protective film on the top of the transformer.
  • Gently peel back the protective film on the top of the transformer.

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Locate the two points the fuse is soldered into the circuit board. Using a soldering iron and soldering wick, desolder and remove the fuse. Place the new fuse into the location of the old one, and solder it in place.
  • Locate the two points the fuse is soldered into the circuit board.

  • Using a soldering iron and soldering wick, desolder and remove the fuse.

  • Place the new fuse into the location of the old one, and solder it in place.

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结论

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

2等其他人完成本指南。

Christopher Paige

于2011年01月21日注册

495 信誉积分

创作了3篇指南

团队

Cal Poly, Team 11-24, Maness Winter 2011 Cal Poly, Team 11-24, Maness Winter 2011 的会员

CPSU-MANESS-W11S11G24

4 名成员

创作了5篇指南

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