Lenovo K49 Hardware Maintenance Manual - Page 3

Contents, Related service - computers

Get Lenovo K49 PDF manuals and user guides View all Lenovo K49 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 3 highlights

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 34 Supervisor password 34 Power management 34 Screen blank mode 34 Sleep mode 34 Hibernation mode 35 Chapter 5. ZhaoYang K49 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 Bottom slot cover 44 1030 Optical drive or blank bezel 45 1040 Memory modules 46 1050 Hard disk drive assembly 47 1060 PCI Express Mini Card for wireless LAN . . 49 1070 mSATA solid-state drive (on some models) . 51 1080 Thermal module 52 1090 CPU 54 1100 Keyboard 55 1110 Keyboard bezel 58 1120 Fingerprint board 60 1130 Function board and microphone . . . . . 61 1140 Power board 63 1150 Backup battery 63 1160 Speaker assembly 64 1170 System board assembly 66 1180 LCD unit 67 1190 DC-in bracket, DC-in cable, USB bracket, USB cable, and base cover 69 2010 LCD front bezel 71 2020 Integrated camera 73 2030 LCD panel and LCD cable 73 2040 Hinges 75 2050 Antenna assembly and LCD cover . . . . . 76 Chapter 8. Locations 79 Front view 79 Right-side view 80 Bottom and left-side view 81 Chapter 9. Parts list 83 Overall 84 LCD FRUs 86 Keyboard 88 Miscellaneous parts 88 ac power adapters 88 Power cords 88 Appendix A. Notices 91 Electronic emissions notices 92 Trademarks 92 © Copyright Lenovo 2012, 2013 i

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
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
.
.
.
.
.
.
.
.
.
.
.
34
Supervisor password
.
.
.
.
.
.
.
.
.
.
34
Power management
.
.
.
.
.
.
.
.
.
.
.
.
34
Screen blank mode
.
.
.
.
.
.
.
.
.
.
.
34
Sleep mode
.
.
.
.
.
.
.
.
.
.
.
.
.
.
34
Hibernation mode
.
.
.
.
.
.
.
.
.
.
.
35
Chapter 5. ZhaoYang K49
.......
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 Bottom slot cover
.
.
.
.
.
.
.
.
.
.
.
44
1030 Optical drive or blank bezel
.
.
.
.
.
.
.
45
1040 Memory modules
.
.
.
.
.
.
.
.
.
.
.
46
1050 Hard disk drive assembly
.
.
.
.
.
.
.
.
47
1060 PCI Express Mini Card for wireless LAN
.
.
49
1070 mSATA solid-state drive (on some models)
.
51
1080 Thermal module
.
.
.
.
.
.
.
.
.
.
.
.
52
1090 CPU
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
54
1100 Keyboard
.
.
.
.
.
.
.
.
.
.
.
.
.
.
55
1110 Keyboard bezel
.
.
.
.
.
.
.
.
.
.
.
.
58
1120 Fingerprint board
.
.
.
.
.
.
.
.
.
.
.
60
1130 Function board and microphone
.
.
.
.
.
61
1140 Power board
.
.
.
.
.
.
.
.
.
.
.
.
.
63
1150 Backup battery
.
.
.
.
.
.
.
.
.
.
.
.
63
1160 Speaker assembly
.
.
.
.
.
.
.
.
.
.
.
64
1170 System board assembly
.
.
.
.
.
.
.
.
.
66
1180 LCD unit
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
67
1190 DC-in bracket, DC-in cable, USB bracket,
USB cable, and base cover
.
.
.
.
.
.
.
.
.
.
69
2010 LCD front bezel
.
.
.
.
.
.
.
.
.
.
.
.
71
2020 Integrated camera
.
.
.
.
.
.
.
.
.
.
.
73
2030 LCD panel and LCD cable
.
.
.
.
.
.
.
.
73
2040 Hinges
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
75
2050 Antenna assembly and LCD cover
.
.
.
.
.
76
Chapter 8. Locations
.........
79
Front view
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
79
Right-side view
.
.
.
.
.
.
.
.
.
.
.
.
.
.
80
Bottom and left-side view
.
.
.
.
.
.
.
.
.
.
81
Chapter 9. Parts list
..........
83
Overall
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
84
LCD FRUs
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
86
Keyboard
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
88
Miscellaneous parts
.
.
.
.
.
.
.
.
.
.
.
.
88
ac power adapters
.
.
.
.
.
.
.
.
.
.
.
.
.
88
Power cords
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
88
Appendix A. Notices
..........
91
Electronic emissions notices
.
.
.
.
.
.
.
.
.
92
Trademarks
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
92
© Copyright Lenovo 2012, 2013
i