4 Replacement Procedures 4.24 North bridge (and GPU) heat sink/CPU heat sink/Fan/CPU
Rev D
4. Apply new grease(DENKA GFC-F1) on the CPU and North bridge using a special
syringe as shown in the following figure. Apply quarter of scale (0.25ml) of grease
evenly on the CPU chip and North bridge chip. When silicon grease is already
applied to the CPU and North bridge, wipe them off with a cloth in advance. (In the
case of the Built-in GPU model.)
5. Apply new grease(DENKA GFC-F1) on the CPU and GPU using a special syringe
as shown in the following figure and stick the new cool sheet on the North bridge .
Apply quarter of scale (0.25ml) of grease evenly on the CPU and GPU chip. When
silicon grease is already applied to the CPU and GPU, wipe them off with a cloth in
advance. (In the case of the GPU model.)
CAUTION: Do not apply silicon grease on the North bridge. (In the case of the GPU
model.)
Figure 4-44 Applying new grease
6. Install the fan to the CPU heat sink and secure them with the following screws.
• M2.5×4B FLAT HEAD screw ×2
7. Install the fan hood in place.
8. Install the CPU heat sink (with the fan) in place.
9. Connect the fan cable to the connector CN8771 on the system board.
10. Stick the acetate tape in place.
4-72 [CONFIDENTIAL] TECRA A9/TECRA S5/TECRA P5/Satellite Pro S200 Maintenance Manual (960-633)
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