A SERVICE OF

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IMM Lower Heatsink ASM
“Battery ASM” on page 62
“Hard Disk Drive” on page 63
“Combo Bay” on page 64
“Keyboard” on page 70
“LED Board” on page 72
“Upper Heatsink” on page 73
“CPU Board” on page 75
“LCD Panel ASM” on page 76
“Upper Cover ASM” on page 78
To remove the IMM lower heatsink ASM:
1. Remove the 2 screws securing the IMM lower
heatsink ASM. Lift the IMM lower heatsink ASM up to
remove.
2. Disconnect the power cable from the connector.
Step
Size (Quan-
tity)
Head &
Color Torque
2 M2.5 x 6L (2) Flat head,
black
1.6 kgf-cm
Note: Make sure you use the correct screw for replacement.
80 ThinkPad 390E