Lenovo B50-45 Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch Notebo - Page 58
Speakers and battery board - 15 6
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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 a and four screws b. Remove the speakers and the battery board in the direction by arrow c. 2 2 1 2 2 3 3 3 Step Screw (quantity) 7 d a M2.5 x 4 mm, flat‐head, nylok‐coated (2) 7 d b M2 x 2 mm, flat‐head, nylok‐coated (4) Color Torque Black 2.0~2.5kgf.cm Black 1.0~1.5kgf.cm When installing: Route the speakers cables along the cable guides. 54
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