Lenovo ThinkPad Tablet User Manual Page 9
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Safetyinspectionguide
Thepurposeofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditions.Aseach
machinewasdesignedandbuilt,requiredsafetyitemswereinstalledtoprotectusersandservicetechnicians
frominjury.Thisguideaddressesonlythoseitems.Y oushouldusegoodjudgmenttoidentifypotential
safetyhazardsduetoattachmentofnon-ThinkPadfeaturesoroptionsnotcoveredbythisinspectionguide.
Ifanyunsafeconditionsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeand
whetheryoucancontinuewithoutrstcorrectingtheproblem.
Considertheseconditionsandthesafetyhazardstheypresent:
•Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatal
electricalshock)
•Explosivehazards,suchasadamagedCRTfaceorabulgingcapacitor
•Mechanicalhazards,suchaslooseormissinghardware
Todeterminewhetherthereareanypotentiallyunsafeconditions,usethefollowingchecklistatthebeginning
ofeveryservicetask.Beginthecheckswiththepoweroffandthemicro-USBcabledisconnected.
Checklist:
1.Checkexteriorcoversfordamage(loose,broken,orsharpedges).
2.T urnoffthetablet.
3.Disconnectthepowersupplyoftheinternalbatterybypressingtheemergencyresetbuttoninsidethe
emergencyresetholeusingastraightenedpaperclip.
4.Disconnectthemicro-USBcable.
5.Checkthemicro-USBcableforthefollowing:
a.Makesurethatathird-wiregroundconnectorisingoodcondition.Useametertomeasurethe
third-wiregroundcontinuity,andmakesurethatthecontinuitybetweentheexternalgroundpinand
theframegroundis0.1ohmorless.
b.Themicro-USBcableisthetypespeciedinthepartslist.
c.Insulationisnotfrayedorworn.
6.RemovetheLCDmoduleassembly.
7.Checkforcrackedorbulginginternalbatteries.
8.Checkforanyobviousnon-ThinkPadalterations.Usegoodjudgmentastothesafetyofany
non-ThinkPadalterations.
9.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetallings,contamination,wateror
otherliquids,orsignsofreorsmokedamage.
10.Checkforworn,frayed,orpinchedcables.
11.Checkthattheinternalbatteryfasteners(screwsorrivets)havenotbeenremovedortamperedwith.
Handlingdevicesthataresensitivetoelectrostaticdischarge
Anytabletpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitiveto
electrostaticdischarge(ESD).ESDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects.
ProtectagainstESDdamagebyequalizingthechargesothatthemachine,thepart,theworkmat,andthe
personhandlingthepartareallatthesamecharge.
Notes:
Chapter1.Safetyinformation3
- HardwareMaintenanceManual 1
- FifthEdition(September2012) 2
- ©CopyrightLenovo2011,2012 2
- Contents 3
- Aboutthismanual 5
- Chapter1.Safetyinformation 7
- Safetyinspectionguide 9
- Groundingrequirements 10
- Chapter1.Safetyinformation5 11
- 6HardwareMaintenanceManual 12
- .Safetyinformation7 13
- Chapter1.Safetyinformation9 15
- Chapter1.Safetyinformation11 17
- 12HardwareMaintenanceManual 18
- .Safetyinformation13 19
- 14HardwareMaintenanceManual 20
- .Safetyinformation15 21
- 16HardwareMaintenanceManual 22
- .Safetyinformation17 23
- 18HardwareMaintenanceManual 24
- StrategyforreplacingFRUs 25
- Productdenition 26
- 22HardwareMaintenanceManual 28
- Chapter3.Generalcheckout 29
- Powersystemcheckout 30
- Checkingtheinternalbattery 30
- 2 3 (5V) 31
- 26HardwareMaintenanceManual 32
- Lockingthescreen 33
- Powermanagement 35
- Screenblankmode 35
- ThinkPadTabletRecoveryConsole 36
- KeyboardFolioCase 37
- 32HardwareMaintenanceManual 38
- Screwnotices 39
- 1010ThinkPadTabletPen 42
- StepScrew(quantity)Color 43
- (1.85kgf-cm) 43
- 38HardwareMaintenanceManual 44
- .RemovingandreplacingaFRU39 45
- 1030Speakerassembly 46
- Black0.181Nm 47
- 42HardwareMaintenanceManual 48
- 1060LCDmoduleassembly 50
- 1070Buttonboard 51
- 1080Microphoneassembly 51
- 46HardwareMaintenanceManual 52
- 48HardwareMaintenanceManual 54
- 50HardwareMaintenanceManual 56
- 52HardwareMaintenanceManual 58
- Chapter9.Partslist 59
- 54HardwareMaintenanceManual 60
- .Partslist55 61
- 56HardwareMaintenanceManual 62
- .Partslist57 63
- Miscellaneousparts 65
- ThinkPadTabletACCharger 65
- Micro-USBcable 66
- Chapter9.Partslist61 67
- Commonservicetools 68
- Electronicemissionnotices 69
- Trademarks 69
- 64HardwareMaintenanceManual 70
- *1P0A96158_04* 72
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