Lenovo A7-50 Tablet - Manual (Page 62)

Lenovo A3500 Hardware Maintenance Manual
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3. Desolder the wires of the microphone from the small PCB of the main FPC
using a soldering iron and a solder sucker.
Figure 11-3. Position of desoldering the microphone wires
4. Detach the speaker and antenna assembly from the front module and then
remove the rubber socket covering the microphone.
Figure 11-4. Removing the rubber socket
5. Remove the microphone from the front module of the tablet.
Figure 11-5. Removing the microphone