BlackBerry Curve 8900 Antenna Replacement

はじめに

The BlackBerry Curve 8900 is a 2008 cellphone, developed by BlackBerry Limited (previously known as RIM, or Research In Motion).

This page is a step by step guide on how to replace the cellphone's antenna. You might find this replacement necessary if your Blackberry Curve experiences frequent call drops, static, poor reception, slow download speeds, or generally low wireless signals. If you can't replace a damaged/faulty antenna, your device might be incapable of receiving signals from cell towers.

Luckily, this repair requires no special background knowledge and can be completed in a few simple steps.

必要な工具と部品

手順1 Battery

BlackBerry Curve 8900 Antenna Replacement, Battery: 手順 1、 1の画像 1

Remove the back cover of the phone.
The battery will now be visible.

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手順2

Pinch the battery at the grey semi-circles on the top left and top right corners of the battery using your fingers and remove it from the device.

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手順3 Motherboard

BlackBerry Curve 8900 Antenna Replacement, Motherboard: 手順 3、 1の画像 1

Remove the lower rear cover, using a small iFixit opening tool.

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手順4

Remove the six screws from the mid-frame of the device, using the T6 Torx Screwdriver.
Set the screws aside once they've been removed.

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手順5

Gently remove the mid-frame from the phone, exposing the motherboard.
This is the motherboard.

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手順6

Gently pull back the plastic tabs that secure the motherboard to the case.
Slowly pull the tabs, working your way around the case, until they are lifted and the motherboard is free.
Remove the motherboard.
The keypad and navigation ball may become loose and fall off the motherboard.

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手順7

Carefully detach the antenna from the two clips on the side of the motherboard.
Disconnect the antenna from the motherboard in the same manner.

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手順8

Carefully disconnect the ribbon cable located on the bottom right of the motherboard.

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手順9

Locate the chip underneath the screen.
Gently remove the screen, without applying too much pressure, taking care not to damage it.

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手順10

Lift up the motherboard from the bottom edge to reveal the ribbon cables.
Carefully disconnect the two ribbon cables connecting the motherboard to the display on either side.
Remove the motherboard and place off to the side.