Table Of Contents - Lenovo B575 Hardware Maintenance Manual

Contents
About this manual........................................iv
Safety information.........................................1
General safety ...................................................... 2
Electrical safety .................................................... 3
Safety inspection guide ...................................... 5
Handling devices that are sensitive to
electrostatic discharge......................................... 6
Grounding requirements ................................... 6
Safety notices: multilingual translations.......... 7
Laser compliance statement............................. 14
Important service information ...................16
Strategy for replacing FRUs............................. 16
Strategy for replacing a hard disk drive.....17
Important notice for replacing a system
board ............................................................. 17
Important information about replacing
RoHS compliant FRUs ...................................... 18
General checkout ........................................19
What to do first .................................................. 20
Power system checkout .................................... 21
Checking the AC adapter........................... 21
Checking operational charging ................. 21
Checking the battery pack ......................... 22
Related service information .......................23
Restoring the factory contents by using
OneKey Recovery.............................................. 23
Restore of factory default ........................... 23
Using recovery discs ................................... 23
Passwords........................................................... 24
Power-on password .................................... 24
Supervisor password .................................. 24
Power management .......................................... 25
Screen blank mode ...................................... 25
Sleep (standby) mode ................................. 25
Hibernation mode ....................................... 26
Lenovo B575................................................27
Specifications ..................................................... 27
Status indicators ................................................ 29
Fn key combinations ......................................... 31
FRU replacement notices.................................. 32
Screw notices................................................ 32
Removing and replacing an FRU.................... 33
1010 Battery pack......................................... 34
1020 Dummy card ....................................... 35
1030 Hard disk drive(HDD)/Memory/Mini
PCI Express Card slot compartment
cover .............................................................. 36
1040 Hard disk drive ................................... 37
1050 Optical drive........................................ 38
1060 DIMM ................................................... 39
1070 PCI Express Mini Card for wireless
LAN/WAN .................................................. 40
1080 Keyboard.............................................. 42
1090 Keyboard bezel ................................... 45
1100 System board ....................................... 49
1110 LCD unit............................................... 52
1120 Fan assembly and Heat Sink
assembly........................................................ 54
1130 Base cover, speakers and bluetooth
card ................................................................ 56
1140 LCD front bezel................................... 58
1150 LCD panel, LCD cable and hinges ... 59
1160 Integrated camera ............................... 62
1170 Antenna assembly and LCD cover... 63
Locations ............................................................. 64
Front view..................................................... 64
Right-side view ............................................ 65
Bottom and Left-side view ......................... 66
Parts list............................................................... 67
Overall ........................................................... 68
LCD FRUs ..................................................... 72
Keyboard....................................................... 74
Miscellaneous parts ..................................... 76
AC adapters.................................................. 77
Power cords .................................................. 78
Notices .........................................................81
Trademarks......................................................... 82
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