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Apple LED Cinema Display 27" LED Panel Replacement

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  1. Apple LED Cinema Display 27" LED Panel Replacement, LED panel: crwdns2935265:01crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Apple LED Cinema Display 27" LED Panel Replacement, LED panel: crwdns2935265:01crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Apple LED Cinema Display 27" LED Panel Replacement, LED panel: crwdns2935265:01crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Before beginning any work on your Mac: Unplug the computer and wait for 2 minutes in order for the power supply's capacitors to discharge.

    • Be very careful not to touch the capacitor leads or any exposed solder joints on the back of the power supply.

    • The all-in-one cable located underneath the power cable can NOT get disconnected from the rest of the enclosure.

  2. Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:02crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:02crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Glass panel can be removed in various ways:

    • Lay the unit on its back and press clean suction cups in opposite corners on the glass panel, or...

    • Lay the unit on its back and press clean suction cups on top.

    • Lift the glass panel up and off.

  3. Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:03crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:03crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • First Steps Remove the glass panel as shown on step 2.

    • Upon disassembly, handle the LED panel only from the metal railings on either side and avoid touching the panel as much as possible.

    • Do not press on the front surface of the LED panel when handling, as this could cause the pixels from the panel to malfunction and/or stop working.

  4. Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:04crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:04crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Remove the twelve, 10 mm Torx T10 screws around the border of the display frame.

    • Be sure not to overtighten the LED screws during reassembly, as it could cause light leakage after the unit is reassembled.

  5. Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:05crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Use the black tabs to raise the bottom edge of the LCD a few inches to access the cables inside.

    • Tilt the display up no more than 4 inches (10 cm). Pulling the display too far could damage the cables or connectors.

  6. Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:06crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Avoid coming in close contact or touching any components of the Power Supply.

    • Looking into the gap under the LCD, disconnect four (4) cables:

    • DisplayPort

    • Function

    • Ground pin

    • LED backlight driver

    • Verify that all cables are firmly seated into connectors during reassembly. An insecure cable connection can cause image flicker.

  7. Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:07crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:07crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:07crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Peel back the mylar and foil tape on the DisplayPort cable on the back of the LED panel.

    • Squeeze the sides of connector and pull it out.

    • Make sure the 24 pin cable is correctly aligned with the LED panel upon reassembly.

  8. Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:08crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:08crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:08crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Squeeze the sides of the function cable connector on the top left edge of the logic board and pull it straight out.

    • Make sure to align the function cable correctly with the logic board during reassembly.

  9. Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:09crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:09crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Close-up of the ground cable at top left of logic board. Remove the 10 mm Torx T10 screw from top left corner of logic board.

    • Disconnect the ground cable.

    • Avoid touching the double pins on the top left corner of the logic board with a screwdriver.

  10. Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:010crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:010crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:010crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Pinch the LED backlight driver cable on the underside of the center right edge of the logic board and pull straight out.

    • Avoid putting force on the logic board to bend as deformation of a logic board can cause issues.

  11. Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:011crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:011crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Apple LED Cinema Display 27" LED Panel Replacement: crwdns2935265:011crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Handle the LCD panel by the edges and lift it upwards until it separates from the rest of the enclosure.

    • This guide can be followed in reserve in order to perform an installation and reassembly of the LED panel to the rest of the enclosure.

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In order to put everything back to its original place, we will need the new LCD panel and to follow the above steps in reverse.

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Iason Kotakis

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York University, Team S1-G15, O'Regan Winter 2021 crwdns2935289:0York University, Team S1-G15, O'Regan Winter 2021crwdne2935289:0

YORK-O'REGAN-W21S1G15

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