Lenovo B575e Laptop Hardware Maintenance Manual - Lenovo B575e - Page 64

LED board and power board, 1060 PCI Express Mini Card for wireless LAN

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1100 LED board and power board For access, remove these FRUs in order: • "1010 Battery pack" on page 44 • "1020 Bottom slot cover" on page 44 • "1030 Hard disk drive" on page 45 • "1040 Optical drive" on page 47 • "1050 Memory modules" on page 48 • "1060 PCI Express Mini Card for wireless LAN" on page 49 • "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 1 Screw (quantity) M2 × 3 mm, flat-head, nylon-coated (1) 58 Hardware Maintenance Manual Color Black Torque 1.85 kgf-cm

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1100 LED board and power board
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 44
•
“1020 Bottom slot cover” on page 44
•
“1030 Hard disk drive” on page 45
•
“1040 Optical drive” on page 47
•
“1050 Memory modules” on page 48
•
“1060 PCI Express Mini Card for wireless LAN” on page 49
•
“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
1
M2 × 3 mm, flat-head, nylon-coated (1)
Black
1.85 kgf-cm
58
Hardware Maintenance Manual