Lenovo 3093AC6 manual System board and ExpressCard slot assemblys

Table 26. Removal steps of DC-in connector, fan, digitizer pen case, and pen switch assembly (continued)

When installing:

•Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on the

part marked as in the following figure. Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component. You need to peel the thin film off from the rubber b .

For ThinkPad X200 Tablet:

For ThinkPad X201 Tablet:

• Make sure that the fan connector is attached firmly.

1190 System board and ExpressCard slot assemblys

Important notices for handling the system board:

When handling the system board, bear the following in mind.

•The system board has an accelerometer, which can be broken by applying several thousands of G-forces.

Note: Dropping a system board from a height of as little as 6 inches so that it falls flat on a hard bench can subject the accelerometer to as much as 6,000 G's of shock.

•Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or composite.

•If a system board is dropped, you must test it, using PC-Doctor for DOS, to make sure that the HDD

98ThinkPad X200 Tablet and X201 Tablet Hardware Maintenance Manual