Sunday, June 26, 2016

Nexus 7 – How to replace the Microphone – Mobiles and smartphones repair and service

Category: Tablets Repair and Service

Contents of this article

  • How to remove the case 
  • How to remove the battery 
  • How to replace the microphone

Nexus 7 Tablet

Gently insert a plastic opening tool near the top of the Nexus 7 between the rear panel and the front panel assembly.
Carefully run the plastic opening tool along the top edge to pry the rear panel away from the front panel assembly of the Nexus 7.
Insert the plastic opening tool between the rear panel and the front panel assembly near the power button and pry up at several points along the right edge of the Nexus 7.

Pry up the rear panel along the left edge using the method described in previous steps.
Gently lift and remove the rear panel up off the front panel assembly.
Using the tip of a spudger, push first on one side then the other to "walk" the battery cable straight out of its socket on the motherboard.
Peel back the copper ESD shielding covering the bottom of the motherboard.
Do not try to remove the copper shielding, as it is still attached underneath the battery.
If you're just replacing the micro usb charge port, there is no need to peel back the copper heatsink like in the photo, the speaker assembly can simply be moved out of the way once unscrewed. If the speakers are to be replaced simply peel back the bottom corner to expose the speaker connection. Leave the rest of the heatsink shield alone.
Using the tip of a spudger, push the speaker cable straight out of its socket on the motherboard.
Peel back the label covering the power and volume button ZIF connector.
Use the tip of a spudger to carefully flip up the retaining flap on the power and volume button ribbon cable ZIF socket.
Make sure you are flipping up the retaining flap, not the socket itself.
Use the tip of a spudger to pull the power and volume button ribbon cable straight out of its socket.
Carefully peel back the adhesive tape covering the I/O board ribbon cable socket on the motherboard.
Use the tip of a spudger to carefully flip up the retaining flap on the I/O data ribbon cable ZIF socket.
Make sure you are flipping up the retaining flap, not the socket itself.
Use the tip of a spudger to pull the I/O data ribbon cable straight out of its socket.
Peel back the adhesive tape covering the display and digitizer cable sockets.
It is not necessary to completely remove the adhesive, but it is helpful to fold it back on itself to get it out of the way.
Use the flat end of a spudger to pry the display data cable straight up off its socket on the motherboard.
Use the flat end of a spudger to carefully flip up the retaining flaps on the digitizer ribbon cable ZIF sockets.
Make sure you are flipping up the retaining flaps, not the sockets themselves.
Use the tip of a spudger to pull the digitizer ribbon cable straight out of its socket.
Use the tip of a spudger to remove the warranty seal stickers.
Remove the following screws securing the motherboard to the metal frame:
Six 3.25 mm silver Phillips screws
One 2.23 mm black Phillips screw
Carefully lift the motherboard assembly out of the Nexus 7, minding any cables that may get caught.
Gently pull the upper microphone straight up off its socket located on the back of the motherboard.