Lenovo E10 manual Speaker assembly, System board, fan assembly, and backup battery

1110 Speaker assembly

For access, remove these FRUs in order:

•“1010 Battery pack” on page 59

•“1020 Bottom door” on page 60

•“1030 Hard disk drive (HDD)” on page 62

•“1070 Keyboard” on page 68

•“1080 Palm rest assembly, power-on board assembly (with cable), and microphone” on page 71

Table 19. Removal steps of speaker assembly

Step	Screw (quantity)	Color	Torque
	M2 × 4 mm, wafer-head, nylon-coated (2)	Silver	0.181 Nm
2
			(1.85 kgfcm)

When installing:

Make sure that the connector is attached firmly.

1120 System board, fan assembly, and backup battery

Important notices for handling the system board:

When handling the system board, bear the following in mind.

• The system board has an accelerometer, which can be broken by applying several thousands of G-forces.

Chapter 8. Removing and replacing a FRU 77