Lenovo S400 Touch Laptop Hardware Maintenance Manual - IdeaPad S400 Touch - Page 53
Speakers, base cover, USB board, power assembly and power board
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Lenovo IdeaPad S400 Touch 1090 Speakers, base cover, USB board, power assembly and power board For access, remove these FRUs in order: • "1010 Battery pack" on page 33 • "1020 Hard disk drive" on page 35 • "1030 DIMM" on page 37 • "1040 PCI Express Mini Card for wireless LAN/WAN" on page 38 • "1050 Fan assembly and Heat Sink assembly" on page 40 • "1060 Keyboard" on page 42 • "1070 System board" on page 44 • "1080 LCD unit" on page 47 Figure 9. Speakers, base cover, USB board, power assembly and power board Remove four screws a , and then remove the speakers in the direction shown by arrow b . aa a a b b Step Screw (quantity) Color Torque P/N a M2 × 2 mm, flat-head, nylok-coated (4) Black 1.85 kgfcm 90202850 Remove the power assembly in the direction shown by arrow c. c When installing: Make sure that the power connector is attached firmly. 49