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NEC LCD1770NX Power Circuit Board Replacement

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  1. NEC LCD1770NX Power Circuit Board Replacement, Stand: étape 1, image 1 de 2 NEC LCD1770NX Power Circuit Board Replacement, Stand: étape 1, image 2 de 2
    • Place the monitor face down on a clean, flat surface.

  2. NEC LCD1770NX Power Circuit Board Replacement: étape 2, image 1 de 2 NEC LCD1770NX Power Circuit Board Replacement: étape 2, image 2 de 2
    • Firmly remove the back panel of the stand by pulling it up and away from the monitor.

  3. NEC LCD1770NX Power Circuit Board Replacement: étape 3, image 1 de 2 NEC LCD1770NX Power Circuit Board Replacement: étape 3, image 2 de 2
    • Unscrew the two 6mm Phillips PH2 screws to detach the stand enclosure from the stand.

  4. NEC LCD1770NX Power Circuit Board Replacement: étape 4, image 1 de 2 NEC LCD1770NX Power Circuit Board Replacement: étape 4, image 2 de 2
    • Firmly grasp the stand enclosure with your hand and slide it to base of stand.

  5. NEC LCD1770NX Power Circuit Board Replacement: étape 5, image 1 de 1
    • Unscrew the two 14.5mm Phillips PH2 screws holding the stand to the monitor.

  6. NEC LCD1770NX Power Circuit Board Replacement: étape 6, image 1 de 2 NEC LCD1770NX Power Circuit Board Replacement: étape 6, image 2 de 2
    • Lift the the stand straight up to remove it.

  7. NEC LCD1770NX Power Circuit Board Replacement, Monitor Enclosure: étape 7, image 1 de 3 NEC LCD1770NX Power Circuit Board Replacement, Monitor Enclosure: étape 7, image 2 de 3 NEC LCD1770NX Power Circuit Board Replacement, Monitor Enclosure: étape 7, image 3 de 3
    • Place the monitor screen face up.

    • Pull the frame off by placing your fingers on the inside of the frame and pulling out and up, the frame should snap off.

    • Continue your way around the screen.

  8. NEC LCD1770NX Power Circuit Board Replacement: étape 8, image 1 de 3 NEC LCD1770NX Power Circuit Board Replacement: étape 8, image 2 de 3 NEC LCD1770NX Power Circuit Board Replacement: étape 8, image 3 de 3
    • Unscrew the two 7mm screws from the bottom of the button assembly.

    • Do not pull the button assembly out too quickly or with too much force! Damage to the wires can occur.

    • Pull the button assembly out a few inches and unplug the colored cables.

  9. NEC LCD1770NX Power Circuit Board Replacement: étape 9, image 1 de 2 NEC LCD1770NX Power Circuit Board Replacement: étape 9, image 2 de 2
    • Unscrew the gold colored 7mm Phillips PH000 screw holding the button assembly to the monitor.

    • Remove the button assembly from the monitor.

  10. NEC LCD1770NX Power Circuit Board Replacement: étape 10, image 1 de 1
    • With the monitor face-down, unscrew the 5 7mm Phillips PH2 screws around the outside of the enclosure.

  11. NEC LCD1770NX Power Circuit Board Replacement: étape 11, image 1 de 3 NEC LCD1770NX Power Circuit Board Replacement: étape 11, image 2 de 3 NEC LCD1770NX Power Circuit Board Replacement: étape 11, image 3 de 3
    • Unscrew the 2 14.5mm Phillips PH2 screws located on the raised center of the enclosure.

    • Carefully pull the enclosure off the monitor.

  12. NEC LCD1770NX Power Circuit Board Replacement: étape 12, image 1 de 2 NEC LCD1770NX Power Circuit Board Replacement: étape 12, image 2 de 2
    • Unscrew the 10 5mm Philips PH2 screws holding the metal casing to the monitor.

  13. NEC LCD1770NX Power Circuit Board Replacement: étape 13, image 1 de 2 NEC LCD1770NX Power Circuit Board Replacement: étape 13, image 2 de 2
    • Pull the the metal casing off of the monitor to reveal the motherboards.

  14. NEC LCD1770NX Power Circuit Board Replacement, Power Circuit Board: étape 14, image 1 de 3 NEC LCD1770NX Power Circuit Board Replacement, Power Circuit Board: étape 14, image 2 de 3 NEC LCD1770NX Power Circuit Board Replacement, Power Circuit Board: étape 14, image 3 de 3
    • Make a note or use a pen to mark which plugs correspond to which colors. (Pink or Blue)

    • Remove the four plugs on the brown circuit board by pulling up on the tabs and wiggling them out. You could also use a spudger to help you lift little clips holding them in.

  15. NEC LCD1770NX Power Circuit Board Replacement: étape 15, image 1 de 3 NEC LCD1770NX Power Circuit Board Replacement: étape 15, image 2 de 3 NEC LCD1770NX Power Circuit Board Replacement: étape 15, image 3 de 3
    Outil utilisé dans cette étape :
    Large Needle Nose Pliers
    $4.99
    J'achète
    • Locate the several multi-wire connectors on the board.

    • These connect several parts of each board together and consist of several different colors of wires. There is also a zip-tie holding the two sets of wires together that you can cut if it is getting in your way.

    • Disconnect the three plastic connectors from the blue colored boards by pulling them up while wiggling them.

    • Some force is necessary, it may also help to use the Large Needle Nose Pliers.

  16. NEC LCD1770NX Power Circuit Board Replacement: étape 16, image 1 de 1
    Outil utilisé dans cette étape :
    Phillips #1 Screwdriver
    $5.49
    J'achète
    • Locate the large black power plug.

    • Using a Phillips #1 Screwdriver, unscrew the two 8mm colts holding the black tabs to the metal frame.

  17. NEC LCD1770NX Power Circuit Board Replacement: étape 17, image 1 de 1
    • Locate and remove the gold colored 10mm Philips screw located near the black power plug. It holds in a wire that connects to the power plug.

  18. NEC LCD1770NX Power Circuit Board Replacement: étape 18, image 1 de 2 NEC LCD1770NX Power Circuit Board Replacement: étape 18, image 2 de 2
    • Remove 5 8mm Phillip1 screws, with a Philips 1 screwdriver, located in various places on the board.

  19. NEC LCD1770NX Power Circuit Board Replacement: étape 19, image 1 de 2 NEC LCD1770NX Power Circuit Board Replacement: étape 19, image 2 de 2
    • Lift the brown power supply board off of the frame and set it aside.

Conclusion

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

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Charlie Mohr

Membre depuis le 10/21/13

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3 tutoriels rédigés

Équipe

Cal Poly, Team 11-36, Amido Fall 2013 Membre de l'équipe Cal Poly, Team 11-36, Amido Fall 2013

CPSU-AMIDO-F13S11G36

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