Lenovo Moto Z4
Level 2 – Service and Repair Manual
Lenovo Confidential Restricted:
PAGE 87
Do not share without consent from Lenovo
PCB Cleaning
1.
Use ISP Alcohol and the flat end of the
Blackstick to remove any remaining
adhesive from where the Earpiece Speaker
Gasket was attached to the Main PCB.
2.
Use ISP Alcohol and the flat end of the
Blackstick to remove any remaining
adhesive from where the Copper Foil Heat
Spreader was attached to the Main PCB.