Service manual

C20
Condential 2-5
Note: - To disassemble the Main Board from
the bottom cover module,you can push
one side of the bottom cover module
out and then lift up the main board(as
red arrow)
- After then,take out the speaker from
the slot.(as yellow square)
- Finally,take out the main board module
and speaker simultaneously.
- If the bottom cover module is broken
during disassembling process, please
change it.
4. Unscrew 3 screws (as blue circle).
5. Disassemble the Engine Module.
Note: - To avoid breaking the Engine Module
,you'd better use a wide at-head
tweezers to separate the Engine Module
and the Bottom Cover Module.
- After the right side of the Engine
Module separate from the bottom
cover,remove the tweezers towards
to left side gradually.
- Take out the Engine Module.
- Take out the Cone Guide(as red square).