4 Replacement Procedures
Installing the Direct Play Button Board
To install the Direct Play Button board, follow the steps below and refer to the figures in the
preceding section.
1. Secure two M2.5x 3 screws and FFC from top cover.

4.18 Fan, Heat Sink, & CPU

Removing the Fan, Heat Sink & CPU
To remove the Fan, Heat Sink, and CPU, you must first remove the keyboard, top to reveal the
system board, then follow the steps below:
CAUTION: If you remove the heat sink, you should use the CPU grease tool to remove
the grease on the CPU and heat sink.
1. On the topside of the system board, remove three M2.5x5 screws securing the fan module.
2. Remove the fan connectors from the system board.
3. Lift off the fan module.

M2.5X5

Figure 4-33 Removing the fan module
4. Remove the four embedded screws securing the heat sink in the order indicated on the heat
sink. Lift out the heat sink while preventing stress to the CPU below.
Tecra A3/S2 Series Maintenance Manual 4-37