Lenovo IdeaCentre B500 - Manual (Page 30)

Hardware Maintenance Manual
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1 LCD front bezel
2 Camera module
3 Touch pad module
4 LCD panel
5 Speaker bezel
6 Thermal module
7 Inverter board and shield
8 Power switch
9 Rear IO
10 LCD back bezel
11 Back cover
12 System board
13 Speaker sets
14 Chassis
15 Optical drive
16 Power inlet
17 Power supply
18 Hard disk drive
Identifying parts on the system board
The system board (sometimes called the planar or motherboard) is the
main circuit board in your computer. It provides basic computer functions
and supports a variety of devices that are factory-installed or that you can
install later.
The following illustration shows the locations of parts on the system
board.