Lenovo G470/G475/G570/G575 Hardware Maintenance Manual

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About this manual iv This manual contains service and reference information for the following Lenovo product: Lenovo G470/G475/G570/G575 Use this manual to troubleshoot problems. The manual is divided into the following sections: • The common sections provide general information, guidelines, and safety information required for servicing computers. • The product-specific section includes service, reference, and product-specific parts information. Important: This manual is intended only for trained servicers who are familiar with Lenovo products. Use this manual to troubleshoot problems effectively. Before servicing a Lenovo product, make sure to read all the information under “Safety information” on page 1 and “Important service information” on page 16.
Safety information Safety information This chapter presents the following safety information that you need to get familiar with before you service a Lenovo G470/G475/G570/G575 computer: • “General safety” on page 2 • “Electrical safety” on page 3 • “Safety inspection guide” on page 5 • “Handling devices that are sensitive to electrostatic discharge” on page 6 • “Grounding requirements” on page 6 • “Safety notices: multilingual translations” on page 7 • “Laser compliance statement” on page 14 1
Page 1 and 2: Lenovo G470/G475/ G570/G575 Hardwar
Page 3: Contents About this manual ........
Page 7 and 8: Electrical safety Observe the follo
Page 9 and 10: Safety inspection guide Safety info
Page 11 and 12: Safety notices: multilingual transl
Page 13 and 14: Safety notice 3 DANGER Safety infor
Page 15 and 16: Safety notice 5 Safety information
Page 17 and 18: Safety notice 8 DANGER Safety infor
Page 19 and 20: Safety information A CD-ROM drive,
Page 21 and 22: Important service information Use t
Page 23 and 24: General checkout This chapter prese
Page 25 and 26: Power system checkout General check
Page 27 and 28: Related service information Related
Page 29 and 30: Power management Related service in
Page 31 and 32: Lenovo G470/G475/G570/G575 Specific
Page 33 and 34: Status indicators Lenovo G470/G475/
Page 35 and 36: Fn key combinations Lenovo G470/G47
Page 37 and 38: Removing and replacing an FRU Lenov
Page 39 and 40: 1020 Dummy card For access, remove
Page 41 and 42: Lenovo G470/G475/G570/G575 1040 Har
Page 43 and 44: Lenovo G470/G475/G570/G575 Step Scr
Page 45 and 46: 1070 Fan assembly and Heat Sink ass
Page 47 and 48: Lenovo G470/G475/G570/G575 Figure 7
Page 49 and 50: 1090 PCI Express Mini Card for wire
Page 51 and 52: 1100 Keyboard Lenovo G470/G475/G570
Page 53 and 54: 1110 Keyboard bezel Lenovo G470/G47
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Figure 11. Removal steps of keyboar
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1130 System board Important notices
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Figure 13. Removal steps of system
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Figure 14. Removal steps of LCD uni
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Lenovo G470/G475/G570/G575 1150 Spe
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Lenovo G470/G475/G570/G575 Figure 1
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For models in other countries or re
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1170 LCD panel and hinges Lenovo G4
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1180 Integrated camera Lenovo G470/
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Locations Front view Lenovo G470/G4
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Parts list This section presents th
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Table 4. Parts list—Overall Lenov
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Table 4. Parts list—Overall (cont
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LCD FRUs Lenovo G470/G475/G570/G575
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Keyboard Table 7. Parts list—Keyb
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Table 7. Parts list—Keyboard (con
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Table 7. Parts list—Keyboard (con
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AC adapters Table 9. Parts list—3
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Table 10. Parts list—3-pin power
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Notices Notices Lenovo may not offe
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Lenovo G470/G475/G570/G575 Hardware Maintenance Manual

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