Lenovo B470e Lenovo B470/B470e Hardware Maintenance Manual - Page 3

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Contents About this manual iii Chapter 1. Safety information 1 General safety 1 Electrical safety 2 Safety inspection guide 3 Handling devices that are sensitive to electrostatic discharge 3 Grounding requirements 4 Safety notices (multilingual translations 4 Laser compliance statement (multilingual translations 19 Chapter 2. Important service information 27 Strategy for replacing FRUs 27 Strategy for replacing a hard disk drive . . . 27 Important notice for replacing a system board 28 Important information about replacing RoHS compliant FRUs 28 Chapter 3. General checkout . . . . . 29 What to do first 29 Power system checkout 30 Checking the ac power adapter 30 Checking operational charging 31 Checking the battery pack 31 Chapter 4. Related service information 33 Restoring the factory contents by using OneKey Recovery 33 Passwords 33 Power-on password 33 Supervisor password 34 Power management 34 Screen blank mode 34 Sleep mode 34 Hibernation mode 34 Chapter 5. Lenovo B470 and B470e. . 37 Specifications 37 Status indicators 38 Fn key combinations 40 Chapter 6. FRU replacement notices 41 Screw notices 41 Chapter 7. Removing and replacing a FRU 43 1010 Battery pack 44 1020 Dummy card 44 1030 Bottom slot cover 45 1040 Hard disk drive 45 1050 Optical drive 46 1060 Memory modules 47 1070 PCI Express Mini Card for wireless LAN/WAN 48 1080 Keyboard 49 1090 Keyboard bezel 51 1100 System board assembly 53 1110 LCD unit 55 1120 Fan assembly and heat sink assembly . . . 57 1130 CPU 59 1140 Base cover, speakers assembly and bluetooth daughter card 60 1150 LCD front bezel 62 1160 LCD panel, LCD cable, and hinges . . . . 63 1170 Integrated camera 65 1180 Antenna assembly and LCD cover . . . . . 66 Chapter 8. Locations 69 Front view 69 Right-side view 70 Bottom and left-side view 70 Chapter 9. Parts list 71 Overall 72 LCD FRUs 75 Keyboard 77 Miscellaneous parts 78 ac power adapters 78 Power cords 78 Appendix A. Notices 83 Trademarks 84 © Copyright Lenovo 2011, 2012 i

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Contents
About this manual
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iii
Chapter 1. Safety information
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1
General safety
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Electrical safety
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2
Safety inspection guide
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3
Handling devices that are sensitive to electrostatic
discharge
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Grounding requirements
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Safety notices (multilingual translations)
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Laser compliance statement (multilingual
translations)
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19
Chapter 2. Important service
information
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27
Strategy for replacing FRUs
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Strategy for replacing a hard disk drive
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Important notice for replacing a system
board
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Important information about replacing RoHS
compliant FRUs
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28
Chapter 3. General checkout
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What to do first
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Power system checkout
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Checking the ac power adapter
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Checking operational charging
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Checking the battery pack
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Chapter 4. Related service
information
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33
Restoring the factory contents by using OneKey
Recovery
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33
Passwords
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33
Power-on password
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Supervisor password
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34
Power management
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Screen blank mode
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Sleep mode
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Hibernation mode
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Chapter 5. Lenovo B470 and B470e. .
37
Specifications
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37
Status indicators
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Fn key combinations
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40
Chapter 6. FRU replacement
notices
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41
Screw notices
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41
Chapter 7. Removing and replacing a
FRU
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43
1010 Battery pack
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1020 Dummy card
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1030 Bottom slot cover
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1040 Hard disk drive
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1050 Optical drive
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1060 Memory modules
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1070 PCI Express Mini Card for wireless
LAN/WAN
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1080 Keyboard
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1090 Keyboard bezel
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1100 System board assembly
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1110 LCD unit
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1120 Fan assembly and heat sink assembly .
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1130 CPU
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1140 Base cover, speakers assembly and
bluetooth daughter card
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1150 LCD front bezel
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1160 LCD panel, LCD cable, and hinges
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1170 Integrated camera
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1180 Antenna assembly and LCD cover
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Chapter 8. Locations
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69
Front view
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69
Right-side view
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70
Bottom and left-side view
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70
Chapter 9. Parts list
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71
Overall
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LCD FRUs
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75
Keyboard
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77
Miscellaneous parts
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78
ac power adapters
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78
Power cords
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78
Appendix A. Notices
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83
Trademarks
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84
© Copyright Lenovo 2011, 2012
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