Samsung Sgh T639 Keypad Replacement Repair Guide

Difficulty

Difficult

Steps

Time Required

                          30 minutes

Sections

Battery
2 steps
SIM Card
1 step
Motherboard
7 steps
Keypad
3 steps

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Introduction

What you need

Step 1

              Battery

Flip the phone over and take off the back cover
Note: These images do not contain the back cover or battery of the phone.

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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Step 2

Use button to remove battery from the phone.
Note: These images do not contain the back cover or battery of the phone.

Use button to remove battery from the phone.

Step 3

              SIM Card

Locate SIM card
Slide SIM card down and gently pull out of the card slot

Locate SIM card

Slide SIM card down and gently pull out of the card slot

Step 4

              Motherboard

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.

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.

Step 5

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.

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.

Step 6

Locate the connection point of black wire running from the microphone to the motherboard.
Carefully disconnect the gold connector from the motherboard using tweezers.

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

Carefully disconnect the gold connector from the motherboard using tweezers.

Step 7

Locate the red connector at the top of the motherboard.
Carefully lift and remove the connector from the motherboard using tweezers.

Locate the red connector at the top of the motherboard.

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

Step 8

Locate the gold connector that connects the screen to the motherboard.
Carefully disconnect the connector from the motherboard using tweezers.

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

Carefully disconnect the connector from the motherboard using tweezers.

Step 9

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.

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.

Step 10

Remove the motherboard from the cell phone.

Remove the motherboard from the cell phone.

Step 11

              Keypad

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.

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.

Step 12

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.

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.

Step 13

Flip phone over to make the keypad visable.
Carefully lift keypad around the edges.
Remove keypad from the cell phone.

Flip phone over to make the keypad visable.

Carefully lift keypad around the edges.

Remove keypad from the cell phone.

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

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Author

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                    Yi Ren

Member since: 03/26/2014

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Team

                       Clemson, Team 1-4, Benson Spring 2014                        

                                                  Member of Clemson, Team 1-4, Benson Spring 2014 



                    CLEM-BENSON-S14S1G4                     


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Introduction#

What you need#

Team#

Introduction

What you need

Team