Lenovo A7-50 Tablet - Manual (Page 47)

Lenovo A3500
43
13. Slowly detach the PCBA (with other parts connected to it at this stage of the
removal procedure) from the front module of the tablet, while taking care not
to damage the FPCs that have been disconnected from it.
Figure 4-13. The detached PCBA
14. Turn over the PCBA and then peel off the mylar on the soldering pad of the
power key FPC and volume key FPC.
Figure 4-14. Position of the mylar on the side key FPCs