Lenovo B40-30 Notebook - Manual (Page 55)

Lenovo B40-30/B40-45/B40-70
51
1130 Speakers
For access, remove these FRUs:
• “1010 Battery pack” on page 33
• “1020 Optical drive” on page 34
• “1030 Bottom slot cover” on page 36
• “1040 Hard disk drive” on page 37
• “1050 DIMM” on page 39
• “1060 PCI Express Mini Card for wireless LAN/WAN” on page 40
• “1070 Keyboard” on page 41
• “1080 Keyboard bezel” on page 43
• “1110 System board” on page 48
Figure 13. Removal steps of speakers
Release the cable of speakers from the cable guide by arrows. Remove four
screws
. Then remove the speakers in the direction by arrow .
When installing: Route the speakers cables along the cable guides.
Step Screw (quantity) Color Torque
M2 x2 mm, flat‐head, nylok‐coated (4) Black 1.0~1.5kgf.cm
a b
2
1 1
2
1
1
7 d a