Sunday 10 June 2018

Nexus 4 – Disassembling procedure – How to remove the rear panel – How to remove the battery – How to replace the speaker – how to replace the Power button


Nexus 4  Mobile:  DISASSEMBLING PROCEDURE 
Remove the SIM tray using the SIM Card Eject Tool.
This step is required in order to remove the back case.
Remove the two screws from the bottom of the phone with a T5 Torx Screwdriver.
Gently open the back case by prying along the edge of the cover, starting at a corner of the phone and circling around the phone using a plastic opening tool.
The opening process may take a few minutes. The plastic will make a light snapping noise as the back cover separates from the rest of the phone.
Remove the two 1.8 mm Phillips #00 screws holding down the battery connector. Using a plastic opening tool, disconnect the battery cable from its socket on the motherboard.
Remove the blue tape that secures the white antenna cable to the battery.
Using a spudger, carefully disconnect the white antenna cable. Carefully pry the battery out with a Plastic Opening Tool, starting at the top left-hand corner and working down towards the bottom right-hand corner.
If necessary, you can also use a plastic card to separate the battery from the metal midframe.
The battery is securely glued to the phone. When reinstalling the battery, press the battery firmly against the adhesive strip.
Remove the two 4.8 mm screws that hold the speaker enclosure together using the Phillips 00 screwdriver.
 Gently pry the speaker up and away from the back of the phone using a plastic opening tool, and lift it out of the phone.
Power and Volume Button
Holding the back case, gently push the power button in towards the center of the phone using a spudger.
 To remove the volume button, push the button in towards the center of the phone using a spudger.


LG 52LG50FD, 52LG50FD-SA-Service adjustments-service mode entry-white balance adjustment-ADC component 1 RGB adjustment and more

  These adjustments are similar to 42LB7DF Because this is not a hot chassis, it is not necessary to use an isolation transformer. However...