How To Clean Samsung Sgh T639 Keypad Repair Guide

Difficulty

Moderate

Steps

Time Required

Suggest a time??

Sections

Battery
2 steps
Motherboard
7 steps
Keypad
3 steps
How to clean Samsung SGH-T639 keypad
3 steps

Flags

BackSamsung SGH-T639
Full Screen
Options
History
Save to Favorites
Download PDF
Edit
Translate
Get Shareable Link
Embed This Guide
Notify Me of Changes
Stop Notifications

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.

1024

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

              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 4

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 5

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 6

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 7

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 8

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 9

Remove the motherboard from the cell phone.

Remove the motherboard from the cell phone.

Step 10

              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 11

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 12

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.

Step 13

              How to clean Samsung SGH-T639 keypad

Obtain device cleaner and a cleaning pad.

Obtain device cleaner and a cleaning pad.

Step 14

Spray the front of the keypad with device cleaner.
Clean front of keypad using cleaning cloth.

Spray the front of the keypad with device cleaner.

Clean front of keypad using cleaning cloth.

Step 15

Flip keypad over.
Spray back of keypad with device cleaner.
Clean back of keypad with cleaning cloth.

Flip keypad over.

Spray back of keypad with device cleaner.

Clean back of keypad with cleaning cloth.

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

Cancel: I did not complete this guide.

Author

                                      with 3 other contributors

                    Yi Ren

Member since: 03/26/2014

801 Reputation

                                      8 Guides authored                  



                       Badges:
                       4







                                                        +1 more badge

Team

                       Clemson, Team 1-4, Benson Spring 2014                        

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



                    CLEM-BENSON-S14S1G4                     


                                            3 Members                     


                                            16 Guides authored

Introduction#

What you need#

Team#

Introduction

What you need

Team