Lenovo K49 Notebook - Manual (Page 3)

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