Lenovo B575e Laptop Hardware Maintenance Manual - Lenovo B575e - Page 76

DC-in sub card and base cover, Removal steps of speaker assembly

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Removal steps of speaker assembly Remove the screws 1 . Then remove the speaker assembly 2 . 1 1 2 1 1 2 Step 1 Screw (quantity) M2 × 5 mm, flat-head, nylon-coated (4) 1170 DC-in sub card and base cover 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 • "1130 System board assembly" on page 63 • "1140 LCD unit" on page 65 Color Black Torque 4.0 kgf-cm 70 Hardware Maintenance Manual

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Removal steps of speaker assembly
Remove the screws
1
. Then remove the speaker assembly
2
.
1
2
1
2
1
1
Step
Screw (quantity)
Color
Torque
1
M2 × 5 mm, flat-head, nylon-coated (4)
Black
4.0 kgf-cm
1170 DC-in sub card and base cover
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
•
“1130 System board assembly” on page 63
•
“1140 LCD unit” on page 65
70
Hardware Maintenance Manual