1150 Speakers And Battery Board - Lenovo B50-30 Touch Hardware Maintenance Manual

Lenovo B50-30/B50-30 Touch/B50-45/ B50-70
Hardware Maintenance Manual

1150 Speakers and battery board

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 Led board" on page 48
• "1130 System board" on page 50
Figure 15. Removal steps of speakers and battery board
Remove two screws
battery board in the direction by arrow
When installing: Route the speakers cables along the cable guides.
54
a
Step Screw (quantity)
7
a d
M2.5 x 4 mm, flat‐head, nylok‐coated (2)
7
b d
M2 x 2 mm, flat‐head, nylok‐coated (4)
b
and four screws . Remove the speakers and the
c
.
2
2
1
3
3
3
2
2
Color Torque
Black 2.0~2.5kgf.cm
Black 1.0~1.5kgf.cm