4.20 Fan/Heat sink/CPU
4 Replacement Procedures
4.
When silicon grease is already applied to the CPU or fin, wipe them off with a cloth
in advance.
5.
Apply new
grease
(Shin-Etsu Chemical Co. X-23-7921-5) on the CPU using a special
syringe as shown in the following figure. Apply quarter of scale (0.25ml) of grease
evenly on the CPU chip.
PORTÉGÉ M780 Maintenance Manual (960-809)
[CONFIDENTIAL]
4-57
Figure 4-35 Applying new grease
6.
Place the
fan
on the heat sink and secure them with the following
screws
.
M2.5
4.0B
FLAT HEAD screw
2
7.
Set the
fan hood
in place.
CAUTION: Do not apply silicon grease on the North bridge.
8.
Place the
heat sink
on the CPU and secure it with the following
screws
.
M2.0
4.0B BIND
screw
4
9.
Connect the
fan cable
to the connector
CN3380
on the system board.
CAUTION: Do not put the fan cable on the fan.
Tighten the screws in the order of the number marked on the CPU hold plate.
Grease
CPU
Summary of Contents for Portege M780
Page 12: ...1 Hardware Overview 1 2 CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 ...
Page 44: ...Troubleshooting Procedures 2 2 CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 2 ...
Page 114: ...Tests and Diagnostics 3 2 CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 3 ...
Page 304: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Page 305: ...4 Replacement Procedures 4 ii CONFIDENTIAL PORTÉGÉ M780 Maintenance Manual 960 809 4 ...
Page 415: ... CONFIDENTIAL Appendices ...
Page 416: ...Appendices App ii CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 ...
Page 484: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 ...