4 Replacement Procedures

4.7 Cooling Fin/CPU

Installing the Cooling fin/CPU

The following describes the procedure for installing the cooling fin/CPU (See Figure 4-11 to 4-16).

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

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

CAUTION: Place the CPU in such direction as shown below. (Pay attention to the position of the triangle mark on the CPU.)

Triangle mark

Figure 4-15 Installing CPU

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

4.If there is already silicon grease on the CPU and cooling fin, clean it with a cloth. Using a special applicator, apply quarter of scale (0.25ml) of silicon grease evenly on the CPU chip.

NOTE: If silicon grease has already been applied to the CPU or cooling fin, wipe clean with a cloth and apply new silicon grease. The computer will not operate correctly if the CPU is not firmly in contact with the cooling fin.

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[CONFIDENTIAL]

Satellite A50S/TECRA A3X Maintenance Manual (960-534)

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Toshiba A3X manual Replacement Procedures Cooling Fin/CPU, Installing the Cooling fin/CPU