Table Of Contents - Lenovo Y40-70 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
Passwords .................................................... 24
Power-on password . .........................................24
Hard-disk password . .........................................24
Administrator password ....................................24
Power management ..................................... 25
Screen blank state . ...........................................25
Putting the computer to sleep or
shutting it down . ................................................25
Putting your computer to sleep . ........................25
Shutting down the computer . ............................25
Lenovo Y40-70/Y40-80/Y50-70/Y50-80/
Y50-70 Touch/Y50-80 Touch ...................... 26
Specifications ............................................... 26
Status indicators ........................................... 28
Fn key combinations..................................... 30
FRU replacement notices ............................. 31
Screw notices ..................................................31
Removing and replacing an FRU ................. 32
1010 Base cover . ..............................................33
1020 Battery pack . ............................................36
1030 Hard disk drive . ........................................39
1040 PCI Express Mini Card for
wireless LAN . ....................................................43
1050 DIMM .......................................................46
1060 LED board ...............................................48
1070 Subwoofer (Y50-70/Y50-80/
Y50-70 Touch/Y50-80 Touch) ...........................49
1080 IO board . ..................................................50
1090 Fan assembly and Heat Sink assembly.... 53
1100 System board ............................................ 58
1110 Speakers ..................................................63
1120 LCD unit and power board .......................65
1130 Non-touch LCD unit (Y40-70/Y40-80/
Y50-70/Y50-80) ................................................70
1140 Touch LCD unit (Y50-70 Touch/
Y50-80 Touch) ..................................................74
1150 Camera ....................................................78
1160 Antenna assembly....................................80
Locations ...................................................... 81
Front view and right-side view ..........................81
Bottom and Left-side view ...............................83
Parts list . ....................................................... 84
Overall ..............................................................85
LCD FRUs ........................................................92
Miscellaneous parts . .........................................96
AC adapters . .....................................................97
Screws . .............................................................97
Power cords . .....................................................98
Notices....................................................... 101
Trademarks ................................................ 102
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