Lenovo B575E LED board and power board, Removal steps of LED board, Removal steps of power board

1100 LED board and power board

For access, remove these FRUs in order:

•“1010 Battery pack” on page 43

•“1020 Bottom slot cover” on page 44

•“1030 Hard disk drive” on page 45

•“1040 Optical drive” on page 46

•“1050 Memory modules” on page 47

•“1060 PCI Express Mini Card for wireless LAN” on page 48

•“1070 Backup battery” on page 50

•“1080 Keyboard” on page 51

•“1090 Keyboard bezel” on page 54

Removal steps of LED board

Peel off the mylar tape

1

and then remove the LED board.

1

2

Removal steps of power board

Remove the screw 1 and then remove the power board

2.

1

2

Step	Screw (quantity)	Color	Torque
	M2 × 3 mm, flat-head, nylon-coated (1)	Black	1.85 kgfcm
1

58Hardware Maintenance Manual