4.20 CPU

4 Replacement Procedures

Installing the CPU

To install the CPU, follow the steps below and refer to Figure 4-30 to 4-32.

1.Check that the triangle on the cam is in the unlocking position.

2.Install the CPU to the correct position in the CPU socket.

3.Fix the CPU by rotating the cam 90 degrees to the clockwise with a flat-blade screwdriver.

4.If there is already silicon grease on the CPU, clean it with a cloth. Using a special applicator, apply silicon grease so that the CPU chip on the CPU is completely covered.

NOTE: Apply the silicon grease enough to cover the chip surface using the special applicator.

Figure 4-32 Applying silicon grease

5.Install the CPU heat sink in place.

6.Seat the CPU holder and secure it with the following screws in the order of the number marked on the holder.

• M2⋅4B

BIND screw

⋅3

TECRA S3 Maintenance Manual (960-532)

[CONFIDENTIAL]

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Image 291
Toshiba S4 manual Installing the CPU, Applying silicon grease