Wednesday 25 October 2017

Samsung Galaxy Note II – Disassembling – How to replace the mother board – Mobiles and smartphones repair and service

Grasp the end of the stylus and remove it from its slot in the midframe.
Pry with a plastic opening tool, or your fingernail, in the divot to the left of the rear-facing camera, near the power button.
Lift the rear case by the corner nearest the divot and remove it from the phone.
If you have an SD card inserted, use the flat end of a spudger, or your fingernail, to press the microSD card slightly deeper into its slot until you hear a click.
After the click, release the card and it will pop out of its slot.
Remove the microSD card.
For reassembly, push the microSD card into the slot until it clicks in place
Insert a plastic opening tool, or your finger, into the notch of the battery compartment and lift the battery upward.
Remove the battery from the midframe.
Remove the eleven 4.0 mm Phillips #00 screws securing the midframe to the display assembly.
Insert your plastic opening tool between the midframe and front panel assembly on the side of the phone.
Slide the plastic opening tool down the seam.
Continue to run the plastic opening tool down the seam.
Carefully pry around the corner with a plastic opening tool.
Pry along the top of the phone with a plastic opening tool.
Push the plastic opening tool down to free the corner of the midframe from the display assembly.
Free the clips along the power button side of the phone.
Lastly, free the two clips along the top and bottom edge of battery compartment.
Lift the display assembly out of the midframe.
Use a spudger to disconnect the vibrator/power button assembly cable connector.
Disconnect the antenna cable connector.
Disconnect the display cable connector.
Disconnect the front-facing camera cable connector.
Disconnect the headphone jack cable connector.
Disconnect the digitizer cable connector.
Use the spudger to disconnect the antenna cable connector from the motherboard.
Disconnect the soft button cable connector.
Disconnect the USB board cable connector.
Remove the 3 mm Phillips #00 screw securing the motherboard to the display assembly.
Gently remove the motherboard.
Hold the motherboard by its edges to prevent ESD damage. Be careful not to snag it on any cables as you extract it from the display assembly.
Use a spudger to disconnect the rear-facing camera assembly cable  connector.
Use tweezers, or your fingers, to remove the rear-facing camera assembly.

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