ContentsAbout this manual. . . . . . . . . . . iiiChapter1.Safety information. . . . . . 1General safety . . . . . . . . . . . . . . . . 1Electrical safety . . . . . . . . . . . . . . . 1Safety inspection guide . . . . . . . . . . . . 3Handling devices that are sensitive to electrostaticdischarge. . . . . . . . . . . . . . . . . . 3Grounding requirements . . . . . . . . . . . . 4Safety notices (multilingual translations). . . . . . 4Chapter2.Important serviceinformation . . . . . . . . . . . . . . 19Strategy for replacing FRUs . . . . . . . . . 19Important notice for replacing a systemboard . . . . . . . . . . . . . . . . 19Strategy for replacing FRUs for CTO, CMV, andGAV . . . . . . . . . . . . . . . . . . . 20Product definition. . . . . . . . . . . . 20FRU identification for CTO, CMV, and GAVproducts . . . . . . . . . . . . . . . 20Chapter3.General checkout . . . . . 23What to do first . . . . . . . . . . . . . . 23Power system checkout . . . . . . . . . . . 24Checking the built-in battery . . . . . . . 24Checking the built-in battery status. . . . . 24Checking the ThinkPad Tablet AC Adapter . . 24Chapter4.Related serviceinformation . . . . . . . . . . . . . . 27Restoring the factory contents by using ProductRecovery discs . . . . . . . . . . . . . . 27Using the Windows recovery programs on theWindows 8 and Windows 8.1 operating systems . 28Supervisor password . . . . . . . . . . . . 31Symptom-to-FRU index . . . . . . . . . . . 32Numeric error codes . . . . . . . . . . 32Undetermined problems . . . . . . . . . 33Chapter5.Locations . . . . . . . . . 35Locating tablet controls, connectors, andindicators. . . . . . . . . . . . . . . . . 35Front view. . . . . . . . . . . . . . . 35Rear view . . . . . . . . . . . . . . . 36Locating FRUs and CRUs . . . . . . . . . . 36Major FRUs . . . . . . . . . . . . . . 37Miscellaneous kits and other parts . . . . . 38Looking up FRU information . . . . . . . . . 38Chapter6.FRU replacementnotices . . . . . . . . . . . . . . . . 39Screw notices . . . . . . . . . . . . . . . 39Retaining serial numbers, MTM, UUID, and AssetID. . . . . . . . . . . . . . . . . . . . 40Chapter7.Removing or replacing aFRU . . . . . . . . . . . . . . . . . . 41General guidelines . . . . . . . . . . . . . 41Before servicing the ThinkPad tablet 2 . . . . . 421010 Tablet Digitizer Pen. . . . . . . . . . . 431020 Base cover assembly. . . . . . . . . . 431030 Built-in battery . . . . . . . . . . . . 441040 Rear-facing camera assembly . . . . . . 451050 Wireless WAN card. . . . . . . . . . . 461060 NFC card, system board, and front-facingcamera. . . . . . . . . . . . . . . . . . 471070 Touch sensor board, I/O cable, and I/Oboard . . . . . . . . . . . . . . . . . . 491080 Speakers assembly . . . . . . . . . . 511090 Wireless LAN antenna assembly, wirelessWAN antenna assembly, and GPS antenna . . . 52Chapter8.Notices. . . . . . . . . . . 55Electronic emission notices. . . . . . . . . . 56Trademarks . . . . . . . . . . . . . . . . 56© Copyright Lenovo 2012, 2014 i