Replacement Procedures
Satellite C800 and Satellite L800
Maintenance Manual (960-Q08)
The following describes the procedure for installing the CPU (see Figure 4-12-3)
1. Check that the mark of cam is in the unlocking position.
2. Attach the CPU to the correct position in the CPU socket.
3. Fix the CPU by rotating the cam 120 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.
5. Please apply 0.15cc silicon grease (Shinetsu 7762) for each repair. And apply
Thermal pad for N-bridge, VGA&V-RAM for each repair
NOTE: Apply the silicon grease enough to cover the chip surface using the special
applicator. Thermal pad is fixed for each one, no need special applicator.
Figure 4-12-3 Apply silicon grease
6. Install the CPU heat sink and heat sink holder and secure them with the following
screws along 1 to 3.
7. Disconnect fan cable to the connector on the system board.
NOTE: When securing the heat sink holder, be sure to secure the screws in the order of
the number marked on the holder.
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