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Motorola W490 Keypad Replacement

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  1. Motorola W490 Keypad Replacement, Phone Casing: 步骤 1 中的图像 1,2 Motorola W490 Keypad Replacement, Phone Casing: 步骤 1 中的图像 2,2
    • Pick up the cell phone with the back facing towards you.

    • Push down on the silver tab located at the top center of the back of the Motorola W490 cellphone.

    • While pushing down on the silver tab, slide the back cover towards the silver tab. Remove the back cover.

  2. Motorola W490 Keypad Replacement, Battery: 步骤 2 中的图像 1,2 Motorola W490 Keypad Replacement, Battery: 步骤 2 中的图像 2,2
    • Remove the battery by pulling the battery from the top corners labeled "Pull Here" located on either side of the top of the battery.

    • Set the battery aside.

  3. Motorola W490 Keypad Replacement, SIM Card: 步骤 3 中的图像 1,3 Motorola W490 Keypad Replacement, SIM Card: 步骤 3 中的图像 2,3 Motorola W490 Keypad Replacement, SIM Card: 步骤 3 中的图像 3,3
    • Use a plastic opening tool to make a gap between the SIM card and the phone.

    • Use your thumb and index finger to pull the SIM card from the phone.

  4. Motorola W490 Keypad Replacement, Keypad Membrane: 步骤 4 中的图像 1,1
    • Open phone so the keypad is facing up.

  5. Motorola W490 Keypad Replacement: 步骤 5 中的图像 1,1
    • Insert a push pin into the notch located on the left side of the keypad and push the pin under the keypad membrane.

  6. Motorola W490 Keypad Replacement: 步骤 6 中的图像 1,1
    • Continue working the pin under the keypad membrane until it is elevated enough to grasp.

  7. Motorola W490 Keypad Replacement: 步骤 7 中的图像 1,1
    • Grasp the keypad membrane firmly and remove it from the phone.

  8. Motorola W490 Keypad Replacement, Lower Metal Frame: 步骤 8 中的图像 1,2 Motorola W490 Keypad Replacement, Lower Metal Frame: 步骤 8 中的图像 2,2
    • After taking out the battery, locate four star-shaped 5.4 mm T6 screws on top and middle of the rear of the phone. Indicated by the red circles.

    • Remove all the screws using the Torx T6 Screwdriver.

  9. Motorola W490 Keypad Replacement: 步骤 9 中的图像 1,3 Motorola W490 Keypad Replacement: 步骤 9 中的图像 2,3 Motorola W490 Keypad Replacement: 步骤 9 中的图像 3,3
    • Turn over the phone to the front side and open up the phone, displaying the keypad.

    • Use a plastic opening tool or your fingernail to make a gap between the front bottom cover and the phone.

    • Pull and set the glued plastic cover aside.

    • Be careful not to break the plastic cover when making a gap or pulling. The plastic cover is superglued to the phone.

  10. Motorola W490 Keypad Replacement: 步骤 10 中的图像 1,2 Motorola W490 Keypad Replacement: 步骤 10 中的图像 2,2
    • Under the plastic cover, locate two star-shaped T5 screws.

    • Use the Torx T5 Screwdriver to remove the two screws.

  11. Motorola W490 Keypad Replacement: 步骤 11 中的图像 1,3 Motorola W490 Keypad Replacement: 步骤 11 中的图像 2,3 Motorola W490 Keypad Replacement: 步骤 11 中的图像 3,3
    • Turn over the phone to the back side of phone where the battery was removed.

    • Use hands to remove the unscrewed rear frame of the phone.

    • Set aside the rear metal frame.

  12. Motorola W490 Keypad Replacement, Circuit Board: 步骤 12 中的图像 1,3 Motorola W490 Keypad Replacement, Circuit Board: 步骤 12 中的图像 2,3 Motorola W490 Keypad Replacement, Circuit Board: 步骤 12 中的图像 3,3
    • Identify the flex cable attachment. Indicated in a red square.

    • Detach the bottom half of the flex cable, pop it off of the circuit board.

    • Pick up the loosened circuit board from the phone and set aside.

  13. Motorola W490 Keypad Replacement, Keypad: 步骤 13 中的图像 1,3 Motorola W490 Keypad Replacement, Keypad: 步骤 13 中的图像 2,3 Motorola W490 Keypad Replacement, Keypad: 步骤 13 中的图像 3,3
    • Lay the circuit board down with the keypad facing up.

    • Grab the corner of the keypad and gently peel it away from the circuit board.

结论

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

Will Edwards

于10/22/12注册

61 声望

创作了9篇指南

团队

Clemson, Team 14-1, Benson Fall 2012 Clemson, Team 14-1, Benson Fall 2012 的会员

CLEM-BENSON-F12S14G1

4 名成员

创作了23篇指南

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