Lenovo E49 Lenovo E49 Hardware Maintenance Manual - Page 3

Contents, Lenovo E49 and ZhaoYang - specification

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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 . . . 28 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 Recovering the computer settings 33 Passwords 33 Power-on password 33 Supervisor password 33 Power management 34 Screen blank mode 34 Sleep mode 34 Hibernation mode 34 Chapter 5. Lenovo E49 and ZhaoYang E49 37 Specifications 37 Status indicators 38 Fn key combinations 39 Chapter 6. FRU replacement notices 41 Screw notices 41 Chapter 7. Removing and replacing a FRU 43 General guidelines 43 1010 Battery pack 44 1020 Optical drive 44 1030 Bottom slot cover 46 1040 Memory modules 46 1050 Hard disk drive assembly 47 1060 PCI Express Mini Card for wireless LAN . . 49 1070 Thermal fan assembly 51 1080 Microprocessor 53 1090 Keyboard 54 1100 Keyboard bezel 57 1110 Power board 59 1120 Backup battery 60 1130 System board assembly 61 1140 LCD unit 62 1150 DC-in cable and base cover 65 2010 LCD front bezel 67 2020 Integrated camera 69 2030 LCD panel, LCD cable, and hinges . . . . 69 2040 Antenna assembly and LCD rear cover . . . 71 Chapter 8. Locations 73 Front view 73 Right-side view 74 Rear view 74 Bottom and left-side view 75 Chapter 9. Parts list 77 Overall 78 LCD FRUs 81 Keyboard 83 Miscellaneous parts 83 ac power adapters 83 Power cords 84 Appendix A. Notices 89 Electronic emissions notices 90 Trademarks 90 © Copyright Lenovo 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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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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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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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
Recovering the computer settings
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Passwords
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Power-on password
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Supervisor password
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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 E49 and ZhaoYang
E49
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37
Specifications
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37
Status indicators
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Fn key combinations
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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
General guidelines
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1010 Battery pack
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1020 Optical drive
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1030 Bottom slot cover
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1040 Memory modules
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1050 Hard disk drive assembly
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1060 PCI Express Mini Card for wireless LAN
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1070 Thermal fan assembly
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1080 Microprocessor
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1090 Keyboard
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1100 Keyboard bezel
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1110 Power board
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1120 Backup battery
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1130 System board assembly
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1140 LCD unit
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1150 DC-in cable and base cover
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2010 LCD front bezel
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2020 Integrated camera
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2030 LCD panel, LCD cable, and hinges
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2040 Antenna assembly and LCD rear cover .
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Chapter 8. Locations
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73
Front view
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Right-side view
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74
Rear view
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74
Bottom and left-side view
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Chapter 9. Parts list
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77
Overall
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LCD FRUs
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81
Keyboard
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83
Miscellaneous parts
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83
ac power adapters
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83
Power cords
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84
Appendix A. Notices
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89
Electronic emissions notices
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90
Trademarks
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90
© Copyright Lenovo 2012
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