![](http://pdfasset.owneriq.net/1/21/12159fb6-fc56-48af-b811-4fb30eb49621/12159fb6-fc56-48af-b811-4fb30eb49621-bg4d.png)
PowerBook G4 (17-inch) Take Apart - 75
Logic Board
2. On the back side of the logic board, remove the existing rectangular thermal pad
covering two chips, shown below.
Important: If the pad is not on the board, check the underside of the top case and
remove.
3. From the Thermal Pad Kit (076-1033) install the rectangular shaped pad over the two
chips on the replacement logic board, where shown below.
Note: Avoid unnecessary contact with either side of the thermal pad as dirt and body
oils reduce the thermal pad's conductivity.