iii
About this manual........................................iv
Safety information.........................................1
Generalsafety ...................................................... 2
Electricalsafety.................................................... 3
Safetyinspectionguide ...................................... 5
Handlingdevicesthataresensitive
toelectrostaticdischarge.................................... 6
Groundingrequirements ................................... 6
Safetynotices:multilingualtranslations.......... 7
Lasercompliancestatement............................. 14
Important service information ...................16
Strategyforreplac ingFRUs............................. 16
Importantnoticeforreplacing
amainboard ................................................ 17
Importantinformationaboutreplacing
RoHScompliantFRUs...................................... 18
General checkout........................................19
Whattodofirst.................................................. 20
Powersystemcheckout .................................... 21
CheckingtheTabACCharger .................. 21
Checkingtheinternalbatterystatus......... 21
Related service information.......................23
Security ............................................................... 23
Powermanagement .......................................... 23
Activating/DeactivatingtheDisplay........ 23
Lenovo YOGA BOOK with Windows® ......24
FRUreplacementnotices.................................. 25
Screwnotices................................................ 25
RemovingandreplacinganFRU.................... 26
1010KeyBoardAssembly .......................... 27
1020Battery.................................................. 29
1030D‐coverHingeStand ......................... 32
1040A‐coverandHinge............................. 33
1050Speaker................................................. 36
1060USBFPC............................................... 39
1070SubBoard ............................................ 41
1080Camera................................................. 44
1090EPFPC ................................................. 45
1100SKFPC ................................................. 46
1110PWRKFPC .......................................... 48
1120MainBoard.......................................... 51
Locations .............................................................53
Partslist............................................................... 54
Overall...........................................................55
ACAdapter ..................................................58
USBCable .....................................................58
Screw ............................................................. 58
Label .............................................................. 58
Others ............................................................59
Notices .........................................................60
Trademarks......................................................... 61
Contents