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TITLE
CN70 Service Work Instructions
Installation
1. Position the keyboard PCB assembly over the magnesium frame lining its connectors up with mating connectors
on the main logic board and battery board.
2. Press down over the connectors to secure the keyboard PCB assembly into position on the magnesium frame.
3. Using a T7 torx driver install 4 screws and secure the keyboard PCB to the magnesium frame with 2.5+/-0.2 in-lbs
of torque.
4. If this is a replacement keyboard PCB install a new microphone cover over the new keyboard PCB's microphone.
If you are re-installing the existing keyboard PCB assembly inspect the microphone cover and replace as needed.
Make sure the microphone cover hole is lined up with the hole in the microphone as shown in the picture below.
Continued on next page...
Microphone cover
correctly installed with
holes lined up
5. Re-install the core assembly
6. Re-install the bottom housing assembly.
CN70A,CN70E
Connection to
battery board
2
Connection to main
logic board
3
Model
DOCUMENT NO.
SWICN70-000
PAGE
Page 22 of 45
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