Lenovo 183822U, 183825U manual Safety information

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Chapter 1. Safety information 13

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Contents ThinkPad Tablet Hardware Maintenance ManualFirst Edition August Copyright Lenovo Contents Ii Hardware Maintenance Manual About this manual Iv Hardware Maintenance Manual General safety Safety informationElectrical safety Hardware Maintenance Manual Safety inspection guide Grounding requirements Safety notices multilingual translationsSafety information Hardware Maintenance Manual Perigo Perigo Safety information Vorsicht Vorsicht Hardware Maintenance Manual Safety information Hardware Maintenance Manual Safety information Hardware Maintenance Manual Safety information Hardware Maintenance Manual Important notice for replacing a system board Important service informationBefore replacing parts Strategy for replacing FRUsCustom Model Variant CMV Dynamic Configure To Order CTOUsing PEW FRU identification for CTO, CMV, and GAV productsImportant service information Hardware Maintenance Manual Be careful not to replace a non-defective FRU Following are not covered under warrantyGeneral checkout What to do firstChecking the internal battery Power system checkoutChecking the internal battery condition Checking the ThinkPad Tablet AC Charger Checking the internal battery statusHardware Maintenance Manual Locking the screen Related service informationResetting a tablet preload to the factory condition Touch Factory data resetTouch the Screen lock sounds icon Changing the password, PIN, or patternTouch Location & Security Configure lock screen Enabling the screen unlock functionScreen blank mode Power managementDisabling the screen lock function Touch Wireless & network Wi-Fi settings Wireless network disconnect policyHot key Description Hardware Maintenance Manual Plastic to plastic FRU replacement noticesScrew notices External CRU statement to customersRetaining serial numbers, MTM, UUID, and Asset ID Before servicing the ThinkPad Tablet Removing and replacing a FRURemoval steps of ThinkPad Tablet Pen ThinkPad Tablet PenThinkPad Tablet Pen on M2 × 4 mm, flat-head, nylon-coated Silver 181 Nm Kgfcm Step Screw quantity Color Torque Speaker assembly Removal steps of speaker assembly PCI Express Mini Card for wireless WANRemoval steps of PCI Express Mini Card for wireless WAN M2 × 3 mm, flat-head, nylon-coated Black 181 Nm Step Screw quantity Color Torque Removal steps of LCD module assembly LCD module assemblyRemoval steps of microphone assembly Microphone assemblyRemoval steps of system board and base cover System board, base cover, and LCD cableApplying labels to the base cover Removal steps of LCD cable Locating the controls and hardware components Hardware Maintenance Manual External CRU statement to customers Parts listOverall FRU FRU ThinkPad Tablet Keyboard Folio Case CRU ID Miscellaneous partsThinkPad Tablet AC Charger ThinkPad Tablet AC ChargerMicro-USB cable ThinkPad Tablet Dock power cord cableTool Common service toolsTrademarks Electronic emission noticesPage 0A96158

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