iii
Contents
About this manual ....................................... iv
Safety information........................................ 1
Generalsafety................................................ 2
Electricalsafety.............................................. 3
Safetyinspectionguide.................................. 5
Handlingdevicesthataresensitiveto
electrostaticdischarge.................................... 6
Groundingrequirements................................. 6
Safetynotices:multilingualtranslations.......... 7
Lasercompliancestatement......................... 14
Important service information................... 16
StrategyforreplacingFRUs......................... 16
Strategyforreplacingaharddiskdrive............17
Importantnoticeforreplacingasystem
board................................................................17
Importantinformationaboutreplacing
RoHScompliantFRUs................................. 18
General checkout ...................................... 19
Whattodorst............................................. 20
Powersystemcheckout................................ 21
CheckingtheACadapter.................................21
Checkingoperationalcharging.........................21
Checkingthebatterypack................................22
Related service information ...................... 23
Restoringthefactorycontentsbyusing
OneKeyRecovery........................................ 23
Restoreoffactorydefault.................................23
Passwords.................................................... 24
Power-onpassword..........................................24
Hard-diskpassword..........................................24
Administratorpassword....................................24
Powermanagement..................................... 25
Screenblankstate............................................25
Puttingthecomputertosleeporshuttingit
down.................................................................25
Puttingyourcomputertosleep.........................25
Shuttingdownthecomputer.............................25
Lenovo Y70-70 Touch/Y70-80 Touch......... 26
Specications............................................... 26
Statusindicators........................................... 28
Fnkeycombinations..................................... 30
FRUreplacementnotices............................. 31
Screwnotices..................................................31
RemovingandreplacinganFRU................. 32
1010Basecover...............................................33
1020Batterypack.............................................35
1030Harddiskdrive.........................................37
1040PCIExpressMiniCardfor
wirelessLAN.....................................................39
1050DIMM.......................................................41
1060LEDboard...............................................42
1070Subwoofer...............................................43
1080USBboard...............................................44
1090
FanassemblyandHeatSinkassembly.... 45
1100
Systemboard............................................ 47
1110Speakers..................................................49
1120Powerboardandtouchpad......................51
1130Uppercase...............................................54
1140LCDunit...................................................56
1150Antennaassembly....................................61
Locations...................................................... 62
Frontviewandright-sideview..........................62
BottomandLeft-sideview...............................63
Partslist........................................................ 64
Overall..............................................................65
LCDFRUs........................................................69
Miscellaneousparts..........................................71
ACadapters......................................................72
Screws..............................................................72
Powercords......................................................73
Notices......................................................... 76
Trademarks.................................................. 77