1130 Base Cover, Speakers And Bluetooth Card - Lenovo B575 Hardware Maintenance Manual

Lenovo B575 Hardware Maintenance Manual

1130 Base cover, speakers and bluetooth card

For access, remove these FRUs in order:
• "1010 Battery pack" on page 34
• "1020 Dummy card" on page 35
• "1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot
• "1040 Hard disk drive" on page 37
• "1050 Optical drive" on page 38
• "1060 DIMM" on page 39
• "1070 PCI Express Mini Card for wireless LAN/WAN" on page 40
• "1080 Keyboard" on page 42
• "1090 Keyboard bezel" on page 45
• "1100 System board" on page 49
• "1110 LCD unit" on page 52
Figure 14. Removal steps of base cover, speakers and bluetooth card (continued)
Remove four screws
arrows
Remove the bluetooth card in the direction shown by arrow
56
compartment cover" on page 36
a
b
.
Step Screw (quantity)
a M2 × 3.5 mm, flat-head, nylok-coated (4)
, and then remove the speakers in the direction shown by
1
1
2
1
1
2
Color Torque
Black 2.5 kgfcm
c
.
3