OLPC XO-1.5 Antennas Replacement

Geschrieben von: Wei Xia
  • Kommentare: 0
OLPC XO-1.5 Antennas Replacement

Schwierigkeitsgrad

Moderate

Schritte

20

Zeitaufwand

Keine Schätzung

Einleitung

The extending antennas at the top of the OLPC are crucial to receiving a wireless signal. Use this guide to replace faulty antennas and regain connectivity.

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    • Place the laptop upside down with the handle away from you.

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    • Slide the tabs out, towards the green edges, to show the open lock symbol.

    • The right tab will stay in place, but the left tab must be held in position while you remove the battery.

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    • Lift the middle of the battery to remove it.

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    • Turn the laptop so it is resting on its bottom.

    • Open the laptop by rotating the green wings on the side up, then lifting the top half of the laptop.

    • Rotate the top half of the laptop about 90 degrees.

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    • Turn the laptop upside down, so you can see the screws on the bottom of the top half.

    • Remove the two 4mm screws with a Phillips #1 screwdriver.

    • Rotate the top half 180 degrees.

    • Remove the two 4mm screws with a Phillips #1 screwdriver.

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    • Rotate the top of the laptop 90 degrees, so that it is facing you again.

    • Slide the green pieces off the device. They should come off easily.

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    • Pull down on the white screen cover. It does not require much force.

    • Remove the screen cover.

    • The game pad on the left sometimes falls during this step.

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    • Unscrew the four 7.62mm Phillips #1 screws on either side of the screen.

    • The screen is still connected by ribbon cables. You can damage the cables if you remove the screen before disconnecting the cables.

    • Move the screen down a little to expose the ribbon cables.

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    • Flip up the tab right under the middle top of the screen.

    • Pull the black ribbon cable out of the socket.

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    • Flip up the smaller tab under the left side of the screen.

    • Remove the small cable to separate the screen from the rest of the laptop.

    • Gently remove the screen.

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    • Remove the four 4mm Phillips #1 screws that hold the top cover to the case.

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    • Close the lid and rotate the device 180°.

    • Press firmly on the top two corners of the outside cover. Then slide it down, away from the antennas.

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    • Remove the five 4mm Phillips #1 screws securing the EMI shield to the motherboard.

    • Gently lift up and remove the EMI shield.

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    • Gently remove the two antenna cables by lightly pulling the cable connectors up.

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    • Remove the two 5mm Phillips #1 screws holding the wireless card to the motherboard.

    • The wireless card will pop up at an angle.

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    • Remove the wireless card by gently lifting it out of the socket.

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    • Disconnect the five cables that connect the motherboard to the case by pulling them straight out of their sockets.

    • The motherboard is still attached to the case by a microphone cable. Do not remove the motherboard or you will damage the cable.

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    • Rotate the device 180° and open the lid.

    • Disconnect the microphone cable by pulling its connector straight out of its socket on the motherboard.

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    • Close the lid and rotate the device 180°.

    • Lift the left edge of the motherboard and remove it from the case.

    • Make sure that the microphone and headphone jack don't catch on the case as you are removing the motherboard.

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    • Open the lid, rotate it 180° degrees, and close it again.

    • Lift the antennas and their hinges out of the case.

    • Pull the antenna away from the device to pull the cable through the channels it's routed through.

Abschluss

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

Tinte & Feder

Wei Xia

Mitglied seit: 26/01/13

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