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 |
33 | |
Supervisor password | 33 |
Power management | 34 |
Screen blank mode | 34 |
Sleep mode | 34 |
Hibernation mode | 34 |
Chapter 5. Lenovo B575e | 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 | |
1010 | Battery pack | 43 |
1020 | Bottom slot cover | 44 |
1030 | Hard disk drive | 45 |
1040 | Optical drive | 46 |
1050 | Memory modules | 47 |
1060 | PCI Express Mini Card for wireless LAN . . | 48 |
1070 | Backup battery | 50 |
1080 | Keyboard | 51 |
1090 | Keyboard bezel | 54 |
1100 | LED board and power board | 58 |
1110 | Microphone assembly | 59 |
1120 | I/O board and RJ45 Ethernet board . . . . | 59 |
1130 | System board assembly | 63 |
1140 | LCD unit | 65 |
1150 | Thermal fan assembly | 67 |
1160 | Speaker assembly | 69 |
1170 | 70 | |
2010 | LCD front bezel | 72 |
2020 | Integrated camera | 74 |
2030 | LCD panel, LCD cable, and hinges . . . . | 74 |
2040 | Antenna assembly | 76 |
Chapter 8. Locations | 79 | |
Front view | 79 | |
Bottom view | 80 | |
Chapter 9. Parts list | 81 | |
Overall | 82 | |
LCD FRUs | 84 | |
Keyboard | 85 | |
Miscellaneous parts | 88 | |
ac power adapters | 88 | |
Power cords | 88 | |
Appendix A. Notices | 93 | |
Electronic emissions notices | 94 | |
Trademarks | 94 | |
© Copyright Lenovo 2012 | i |
