Lenovo B750 IdeaCentre B750 Hardware Maintenance Manual - Page 31

Identifying parts on the motherboard, front of the motherboard.

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Identifying parts on the motherboard The motherboard (sometimes called the planar or system board) is the main circuit board in your computer. It provides basic computing functions and supports a variety of devices that are factory-installed or that you can install later. The following illustration shows the location of connectors and components on the front of the motherboard. 4321 26 5 6 7 8 9 10 11 12 13 1. System fan connector-1 2. Converter connector 3. Hard disk drive power connector 4. System fan connector-2 5. Camera connector 6. Wi-Fi connector 7. Optical disk drive power connector 8. Power connector-1 9. Optical disk drive SATA connector 10. Hard disk drive SATA connector 11. LVDS-2 connector 12. LVDS-1 connector 13. RJ45 connector 25 24 23 14 15 16 17 18 19 20 21 22 14. HDMI In/Out connector 15. USB 3.0 connector 16. USB 2.0 connector 17. Front function board 18. Subwoofer connector 19. Speaker connector 20. Bluetooth connector 21. Front indicator board connector 22. B-CAS card connector 23. TV-Tuner connector 24. Battery 25. CPU and socket 26. Power connector-2 Chapter 7. Locating connectors, controls and components 25

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Identifying parts on the motherboard
The motherboard (sometimes called the planar or system board) is the main circuit board in your computer.
It provides basic computing functions and supports a variety of devices that are factory-installed or that
you can install later. The following illustration shows the location of connectors and components on the
front of the motherboard.
1. System fan connector-1
14. HDMI In/Out connector
2. Converter connector
15. USB 3.0 connector
3. Hard disk drive power connector
16. USB 2.0 connector
4. System fan connector-2
17. Front function board
5. Camera connector
18. Subwoofer connector
6. Wi-Fi connector
19. Speaker connector
7. Optical disk drive power connector
20. Bluetooth connector
8. Power connector-1
21. Front indicator board connector
9. Optical disk drive SATA connector
22. B-CAS card connector
10. Hard disk drive SATA connector
23. TV-Tuner connector
11. LVDS-2 connector
24. Battery
12. LVDS-1 connector
25. CPU and socket
13. RJ45 connector
26. Power connector-2
Chapter 7
.
Locating connectors, controls and components
25