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Projector - Vivitek D855ST DMD Chip Board Replacement

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  1. Projector - Vivitek D855ST DMD Chip Board Replacement, Projector - Vivitek D855ST DMD Chip Board Replacement: étape 1, image 1 de 3 Projector - Vivitek D855ST DMD Chip Board Replacement, Projector - Vivitek D855ST DMD Chip Board Replacement: étape 1, image 2 de 3 Projector - Vivitek D855ST DMD Chip Board Replacement, Projector - Vivitek D855ST DMD Chip Board Replacement: étape 1, image 3 de 3
    • First grab a 00 Phillips screwdriver remove the lamp cover.

    • Then loosen the 3 captive screws holding the lamp in the projector with a standard Phillips screwdriver.

  2. Projector - Vivitek D855ST DMD Chip Board Replacement, Remove the housing: étape 2, image 1 de 2 Projector - Vivitek D855ST DMD Chip Board Replacement, Remove the housing: étape 2, image 2 de 2
    • Remove the following 8 screws securing the bottom housing.

    • Remove 3 screws securing the top housing.

  3. Projector - Vivitek D855ST DMD Chip Board Replacement, Remove the top housing: étape 3, image 1 de 2 Projector - Vivitek D855ST DMD Chip Board Replacement, Remove the top housing: étape 3, image 2 de 2
    • Use the flat end of a spudger to pry the top housing around the sides.

    • Slightly lift from the front and push it toward the rear of projector to free the mounting tabs.

  4. Projector - Vivitek D855ST DMD Chip Board Replacement, Remove top shield: étape 4, image 1 de 1
    • Remove the following 8 screws of various sizes on the top shield.

    • Remove the screw in red very last. It's tight and after removing the others, you can swivel the shield enough to loosen that screw without stripping it.

  5. Projector - Vivitek D855ST DMD Chip Board Replacement, Remove main board: étape 5, image 1 de 3 Projector - Vivitek D855ST DMD Chip Board Replacement, Remove main board: étape 5, image 2 de 3 Projector - Vivitek D855ST DMD Chip Board Replacement, Remove main board: étape 5, image 3 de 3
    • Remove one screw and the carefully disconnect 2 ribbon cables and 8 cable connectors from the main board.

    • Remove the 6 video cable standoffs from the rear of the projector. Needle-nose pliers will loosen them enough then a Torx-8 driver fits perfect to loosen them the rest of the way

    • Carefully push the rear of the video ports inward to push the board enough forward and lift up.

    • Lift up and disconnect the cable connector on the bottom of the board to the power supply.

  6. Projector - Vivitek D855ST DMD Chip Board Replacement, Remove power supply: étape 6, image 1 de 3 Projector - Vivitek D855ST DMD Chip Board Replacement, Remove power supply: étape 6, image 2 de 3 Projector - Vivitek D855ST DMD Chip Board Replacement, Remove power supply: étape 6, image 3 de 3
    • Remove 2 screws on the right and left sides toward the bottom securing the power supply to the chassis.

  7. Projector - Vivitek D855ST DMD Chip Board Replacement, Disconnect the power supply: étape 7, image 1 de 2 Projector - Vivitek D855ST DMD Chip Board Replacement, Disconnect the power supply: étape 7, image 2 de 2
    • Disconnect the cable connectors from the left and right sides under the power supply

  8. Projector - Vivitek D855ST DMD Chip Board Replacement, Remove the lens unit: étape 8, image 1 de 1
    • Remove the following 3 identical screws to remove the lens unit.

  9. Projector - Vivitek D855ST DMD Chip Board Replacement, Remove the heatsink: étape 9, image 1 de 3 Projector - Vivitek D855ST DMD Chip Board Replacement, Remove the heatsink: étape 9, image 2 de 3 Projector - Vivitek D855ST DMD Chip Board Replacement, Remove the heatsink: étape 9, image 3 de 3
    • Remove one screw and the tension bar holding the heatsink to the DMD Board

    • Pull back the shielding tape from the heatsink to the lens unit.

  10. Projector - Vivitek D855ST DMD Chip Board Replacement, Access to DMD board: étape 10, image 1 de 3 Projector - Vivitek D855ST DMD Chip Board Replacement, Access to DMD board: étape 10, image 2 de 3 Projector - Vivitek D855ST DMD Chip Board Replacement, Access to DMD board: étape 10, image 3 de 3
    • Remove 4 screws securing the DMD board to the lens unit

    • Pull it gently apart. It is held by thermal paste.

Conclusion

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

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dustind

Membre depuis le 04/26/11

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