1090 Dc-In Cable Assembly - Lenovo Thinkpad A275 Hardware Maintenance Manual

• Do not touch the thermal grease.
• Do not press, touch, or rotate the fan impeller.
• Do not touch the fan inlet hole.
• Do not twist or pull the cable of the thermal fan assembly.
• Do not apply pressure on the top and bottom covers of the thermal fan assembly.
• Do not press the heat pipe. Hold both sides of the heat pipe if you need to take the thermal fan assembly.
• Do not shake or drop the thermal fan assembly.
• Ensure that the fan connector is attached firmly.
• Replace the thermal fan assembly if you observe the following:
– The cover of the thermal fan assembly is deformed or damaged.
– There is abnormal noise during rotation.

1090 dc-in cable assembly

For access, remove these FRUs in order:
• "1010 Removable battery" on page 64
• "1020 Base cover assembly" on page 66
Removal steps of the dc-in cable assembly
Step Screw (quantity)
2
M2 × 4 mm, flat-head, nylon-coated (1)
76
A275 Hardware Maintenance Manual
a
Color Torque
Black 0.181 Nm
(1.85 kgf-cm)