4 ReplacementProcedures 4.132 CPU Cooling Module and Fan
Satellite Pro L50-G / dynabookP*-C* MaintenanceManual 4-30
Installing CPU CoolingModule and Fan
Install CPU Cooling Module andFanaccording to the following proceduresandFigures
4-13 and 4-14.
CAUTION: Wheninstalling the CPU Cooling Module, keepthe following in mind:
1. Be sure to confirm the correct position for the module.
2. Securethe relevant screws on the main board according to the number sequencesealed
on the heat sink module.
NOTE: Apply silicon greasewith a special syringe to cover the surface of the CPU chip
completely.
1. Stick onepcsof spongein correct position on Fan.
2. PlaceFanin correct position andsecureit with two M2.5x3.0 silver flat headscrews
3. Connect Fan cable to CN4300 on system board.
4. Routing Fan cable betweenFan and CN4300, cable can’t route on Fan or Connector.
5. Stick tape to fasten Fancable.
6. Check silicon greaseis on CPU or CPU Cooling Module,
-If silicon greaseis alreadyapplied to new CPU Cooling Module completely, check
that greaseon CPU needsto be wiped it off with a cloth.
-If silicon greaseis already applied to CPU andCPU Cooling Module but not enough
for cover the surface,,wipe it off with a cloth.
By using a special syringe, apply silicon greaseG7762 to CPU chip center so that
the entire CPU chip is covered with greaseG7762.
7. Install CPU Cooling Module in correct position on systemboard.
8. SecuringCPU Cooling Module with four M2.0x2.5 black Phillips headscrews,asthe
order showedfrom 1-2-3-4 on module.