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Hitachi CP-X440 Power Supply Unit Replacement

Introduction

This guide will show you how to replace the power supply unit in the HITACHI CP-X440. All of the following necessary tools will be listed in the guide for your reference.

Before starting, make sure device is unplugged from power source. There are many wires involved in this replacement so there's a chance for getting hurt if the projector is turned on.

What you need

  1. Hitachi CP-X440 Power Supply Unit Replacement, Motherboard: step 1, image 1 of 1

    • Turn the projector upside down so the bottom is facing up.

    • Using a Phillips #1 screwdriver remove the six black 2 mm screws.

    • The screws are deep in the holes, so be careful when removing them as they can easily fall off the screwdriver tip.

    Edit

  2. Hitachi CP-X440 Power Supply Unit Replacement: step 2, image 1 of 2 Hitachi CP-X440 Power Supply Unit Replacement: step 2, image 2 of 2

    • Flip the projector right-side up and navigate to the back panel.

    • Remove the three black 10 mm screws on the back panel with a Phillips #1 screwdriver.

    • Remove the two silver 10 mm screws on the power switch panel with a Phillips #1 screwdriver.

    Edit

  3. Hitachi CP-X440 Power Supply Unit Replacement: step 3, image 1 of 2 Hitachi CP-X440 Power Supply Unit Replacement: step 3, image 2 of 2

    • Now turn the projector so the front is facing you.

    • Gently remove the lid from the bottom of the projector so the green circuit board is exposed.

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  4. Hitachi CP-X440 Power Supply Unit Replacement: step 4, image 1 of 2 Hitachi CP-X440 Power Supply Unit Replacement: step 4, image 2 of 2

    • Gently remove the cables from their white connectors on the circuit board.

    Edit

  5. Hitachi CP-X440 Power Supply Unit Replacement: step 5, image 1 of 1

    • Gently pull out the three orange ribbons from their white connectors on the circuit board.

    • You can use a spudger tool to pry them out of place.

    Edit

  7. Hitachi CP-X440 Power Supply Unit Replacement: step 6, image 1 of 1

    • Remove the five silver 5 mm screws on the circuit board with a Phillips #2 screwdriver.

    Edit

  8. Hitachi CP-X440 Power Supply Unit Replacement: step 7, image 1 of 1

    • Remove the motherboard so the projector is exposed.

    Edit

  9. Hitachi CP-X440 Power Supply Unit Replacement, Power Supply Unit: step 8, image 1 of 2 Hitachi CP-X440 Power Supply Unit Replacement, Power Supply Unit: step 8, image 2 of 2

    • Remove the silver plastic protective piece from the top of the power supply unit.

    • Remove the black pin holder by using the spudger.

    Edit

  10. Hitachi CP-X440 Power Supply Unit Replacement: step 9, image 1 of 3 Hitachi CP-X440 Power Supply Unit Replacement: step 9, image 2 of 3 Hitachi CP-X440 Power Supply Unit Replacement: step 9, image 3 of 3

    • Remove the 10 mm screws that are holding the power supply unit to the projector.

    Edit

  11. Hitachi CP-X440 Power Supply Unit Replacement: step 10, image 1 of 2 Hitachi CP-X440 Power Supply Unit Replacement: step 10, image 2 of 2

    • Remove the wires that are attached to the projector from the power supply unit.

    Edit

  12. Hitachi CP-X440 Power Supply Unit Replacement: step 11, image 1 of 3 Hitachi CP-X440 Power Supply Unit Replacement: step 11, image 2 of 3 Hitachi CP-X440 Power Supply Unit Replacement: step 11, image 3 of 3

    • Remove the black wire by using the Phillips #2 screwdriver to remove the 10 mm screw.

    • Pull on the metal bracket which should come free, and then pull the wire up so it is released.

    Edit

  13. Hitachi CP-X440 Power Supply Unit Replacement: step 12, image 1 of 3 Hitachi CP-X440 Power Supply Unit Replacement: step 12, image 2 of 3 Hitachi CP-X440 Power Supply Unit Replacement: step 12, image 3 of 3

    • Remove the black wire by using the Phillips #2 screwdriver to remove the 10 mm silver screw.

    • Pull on the metal bracket which should come free. Then pull the wire up so it is released.

    • The third picture marks where the base of the second picture's screw is located.

    Edit

  14. Hitachi CP-X440 Power Supply Unit Replacement: step 13, image 1 of 1

    • Remove the last 10 mm screw to the secondary motherboard using the Phillips #2 screwdriver and the power supply unit will lift free.

    Edit
Conclusion

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

Author

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noah wright

Member since: 03/21/22

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University of Alabama, Team 2-2, Bedsole Spring 2022 Member of University of Alabama, Team 2-2, Bedsole Spring 2022

UA-BEDSOLE-S22S2G2

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