4.7 Cooling Fin/CPU

4 Replacement Procedures

NOTE: Apply the silicon grease enough to cover the chip surface using the special applicator. When installing the cooling fin, make sure the bottom of the fin covers the top of CPU.

CPU Chip

Figure 4-16 Applying Silicon Grease

5.Install the cooling fin.

6.Place the CPU holder on the cooling fin with its hole fitted to the boss of the cooling fin. Fix the CPU holder with following screws in the order of the marks (1 to 3) on the CPU holder.

• M2x4B

BIND screw

x3

7. Install the CPU cover from the front side and secure it with the following screws.

M2.5x18B

THIN BIND screw

x1

M2.5x14B

THIN BIND screw

x1

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

[CONFIDENTIAL]

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Image 247
Toshiba A3X manual Applying Silicon Grease