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How to clean Samsung SGH-T639 keypad

Introduction

This guide contains photos that do not include pictures of the back cover or battery. However, the instructions have been adjusted to reflect this lack of visual aid.

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  1. How to clean Samsung SGH-T639 keypad, Battery: étape 1, image 1 de 1

    • Flip the phone over and take off the back cover

    • Note: These images do not contain the back cover or battery of the phone.

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  2. How to clean Samsung SGH-T639 keypad: étape 2, image 1 de 1

    • Use button to remove battery from the phone.

    • Note: These images do not contain the back cover or battery of the phone.

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  3. How to clean Samsung SGH-T639 keypad, Motherboard: étape 3, image 1 de 3 How to clean Samsung SGH-T639 keypad, Motherboard: étape 3, image 2 de 3 How to clean Samsung SGH-T639 keypad, Motherboard: étape 3, image 3 de 3
    Outil utilisé dans cette étape :
    Magnetic Project Mat
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    • Locate the six (4mm) screws on the back casing of the phone.

    • Unscrew each one using a phillips head #000 screwdriver.

    • Place screws on magnetic mat.

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  4. How to clean Samsung SGH-T639 keypad: étape 4, image 1 de 3 How to clean Samsung SGH-T639 keypad: étape 4, image 2 de 3 How to clean Samsung SGH-T639 keypad: étape 4, image 3 de 3

    • Starting at the top of the phone, carefully insert plastic opening device into the seam.

    • Carefully slide device along the seam and around the corners of the phone until the back is separated from the front.

    • Note: Some force must be exerted. Be careful when taking off panel. Go slow.

    • Note: The volume button may separate from the case, this is normal. It is not broken.

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  5. How to clean Samsung SGH-T639 keypad: étape 5, image 1 de 3 How to clean Samsung SGH-T639 keypad: étape 5, image 2 de 3 How to clean Samsung SGH-T639 keypad: étape 5, image 3 de 3

    • Locate the connection point of black wire running from the microphone to the motherboard.

    • Carefully disconnect the gold connector from the motherboard using tweezers.

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  7. How to clean Samsung SGH-T639 keypad: étape 6, image 1 de 3 How to clean Samsung SGH-T639 keypad: étape 6, image 2 de 3 How to clean Samsung SGH-T639 keypad: étape 6, image 3 de 3

    • Locate the red connector at the top of the motherboard.

    • Carefully lift and remove the connector from the motherboard using tweezers.

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  8. How to clean Samsung SGH-T639 keypad: étape 7, image 1 de 3 How to clean Samsung SGH-T639 keypad: étape 7, image 2 de 3 How to clean Samsung SGH-T639 keypad: étape 7, image 3 de 3

    • Locate the gold connector that connects the screen to the motherboard.

    • Carefully disconnect the connector from the motherboard using tweezers.

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  9. How to clean Samsung SGH-T639 keypad: étape 8, image 1 de 3 How to clean Samsung SGH-T639 keypad: étape 8, image 2 de 3 How to clean Samsung SGH-T639 keypad: étape 8, image 3 de 3

    • Start at the bottom of the motherboard and gently pry it from the back of the cell phone using the plastic opening tool.

    • Lift the motherboard from the cell phone.

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  10. How to clean Samsung SGH-T639 keypad: étape 9, image 1 de 1

    • Remove the motherboard from the cell phone.

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  11. How to clean Samsung SGH-T639 keypad, Keypad: étape 10, image 1 de 2 How to clean Samsung SGH-T639 keypad, Keypad: étape 10, image 2 de 2

    • Locate the two black, rubber tabs near the top of the back of the phone.

    • Locate the one black, rubber tab near the base of the phone.

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  12. How to clean Samsung SGH-T639 keypad: étape 11, image 1 de 3 How to clean Samsung SGH-T639 keypad: étape 11, image 2 de 3 How to clean Samsung SGH-T639 keypad: étape 11, image 3 de 3

    • Using tweezers, pry each of the tabs open.

    • Tuck each tab behind the white notch.

    • By tucking the tabs behind each notch. This allows improves the ease of removing the keypad.

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  13. How to clean Samsung SGH-T639 keypad: étape 12, image 1 de 3 How to clean Samsung SGH-T639 keypad: étape 12, image 2 de 3 How to clean Samsung SGH-T639 keypad: étape 12, image 3 de 3

    • Flip phone over to make the keypad visable.

    • Carefully lift keypad around the edges.

    • Remove keypad from the cell phone.

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  14. How to clean Samsung SGH-T639 keypad, How to clean Samsung SGH-T639 keypad: étape 13, image 1 de 1

    • Obtain device cleaner and a cleaning pad.

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  15. How to clean Samsung SGH-T639 keypad: étape 14, image 1 de 3 How to clean Samsung SGH-T639 keypad: étape 14, image 2 de 3 How to clean Samsung SGH-T639 keypad: étape 14, image 3 de 3

    • Spray the front of the keypad with device cleaner.

    • Clean front of keypad using cleaning cloth.

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  16. How to clean Samsung SGH-T639 keypad: étape 15, image 1 de 3 How to clean Samsung SGH-T639 keypad: étape 15, image 2 de 3 How to clean Samsung SGH-T639 keypad: étape 15, image 3 de 3

    • Flip keypad over.

    • Spray back of keypad with device cleaner.

    • Clean back of keypad with cleaning cloth.

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Conclusion

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

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Yi Ren

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Clemson, Team 1-4, Benson Spring 2014 Membre de l'équipe Clemson, Team 1-4, Benson Spring 2014

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