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Hitachi CP-X440 Power Supply Unit Replacement

Giriş

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.

Neye ihtiyacın var

  1. Hitachi CP-X440 Power Supply Unit Replacement, Motherboard: adım 1, 1 resimden 1.

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

    • Remove the 6 black 2 cm screws with a Phillips #1 Screwdriver.

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

    Düzenle

  2. Hitachi CP-X440 Power Supply Unit Replacement: adım 2, 2 resimden 1. Hitachi CP-X440 Power Supply Unit Replacement: adım 2, 2 resimden 2.

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

    • Remove the 3 black, 1 cm screws on the back panel with a Phillips #1 Screwdriver.

    • Remove the two silver 1 cm screws on the power switch panel with a Phillips #1 Screwdriver.

    Düzenle

  3. Hitachi CP-X440 Power Supply Unit Replacement: adım 3, 2 resimden 1. Hitachi CP-X440 Power Supply Unit Replacement: adım 3, 2 resimden 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.

    Düzenle

  4. Hitachi CP-X440 Power Supply Unit Replacement: adım 4, 2 resimden 1. Hitachi CP-X440 Power Supply Unit Replacement: adım 4, 2 resimden 2.

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

    Düzenle

  5. Hitachi CP-X440 Power Supply Unit Replacement: adım 5, 1 resimden 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.

    Düzenle

  7. Hitachi CP-X440 Power Supply Unit Replacement: adım 6, 1 resimden 1.

    • Remove the 5 silver 0.5 cm screws on the circuit board with a Phillips #2 Screwdriver.

    Düzenle

  8. Hitachi CP-X440 Power Supply Unit Replacement: adım 7, 1 resimden 1.

    • Remove the motherboard so the projector is exposed.

    Düzenle

  9. Hitachi CP-X440 Power Supply Unit Replacement, Power Supply Unit: adım 8, 2 resimden 1. Hitachi CP-X440 Power Supply Unit Replacement, Power Supply Unit: adım 8, 2 resimden 2.

    • First remove the sliver plastic protective piece from on top of the power supply unit.

    • Remove the black pin holder by using the spudger.

    Düzenle

  10. Hitachi CP-X440 Power Supply Unit Replacement: adım 9, 3 resimden 1. Hitachi CP-X440 Power Supply Unit Replacement: adım 9, 3 resimden 2. Hitachi CP-X440 Power Supply Unit Replacement: adım 9, 3 resimden 3.

    • Next unscrew all of the 1 cm screws that are holding the power supply unit to the projector.

    Düzenle

  11. Hitachi CP-X440 Power Supply Unit Replacement: adım 10, 2 resimden 1. Hitachi CP-X440 Power Supply Unit Replacement: adım 10, 2 resimden 2.

    • Next, remove the wires that are attached to the projector from the power supply unit.

    Düzenle

  12. Hitachi CP-X440 Power Supply Unit Replacement: adım 11, 3 resimden 1. Hitachi CP-X440 Power Supply Unit Replacement: adım 11, 3 resimden 2. Hitachi CP-X440 Power Supply Unit Replacement: adım 11, 3 resimden 3.

    • Remove the black wire by using the Phillips head #2 screw driver to unscrew the 1 cm screw.

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

    Düzenle

  13. Hitachi CP-X440 Power Supply Unit Replacement: adım 12, 3 resimden 1. Hitachi CP-X440 Power Supply Unit Replacement: adım 12, 3 resimden 2. Hitachi CP-X440 Power Supply Unit Replacement: adım 12, 3 resimden 3.

    • Remove the black wire by using the Phillips head #2 screw driver to unscrew the 1 cm silver screw.

    • Once the screw is out, 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.

    Düzenle

  14. Hitachi CP-X440 Power Supply Unit Replacement: adım 13, 1 resimden 1.

    • Unscrew the last 1 cm screw to the secondary mother board using the Phillips #2 Screwdriver and the Power supply unit will lift free.

    Düzenle
Sonuç

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

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