Safety information | Lenovo 183822U, 183825U guide

Chapter 1. Safety information 13

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Lenovo 183822U, 183825U manual Safety information

Contents

ThinkPad Tablet Hardware Maintenance Manual First 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 translations Safety 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 FRUs Custom Model Variant CMV Dynamic Configure To Order CTOUsing PEW FRU identification for CTO, CMV, and GAV products Important service information Hardware Maintenance Manual Be careful not to replace a non-defective FRU Following are not covered under warrantyGeneral checkout What to do first Checking the internal battery Power system checkoutChecking the internal battery condition Checking the ThinkPad Tablet AC Charger Checking the internal battery status Hardware Maintenance Manual Locking the screen Related service informationResetting a tablet preload to the factory condition Touch Factory data reset Touch the Screen lock sounds icon Changing the password, PIN, or patternTouch Location & Security Configure lock screen Enabling the screen unlock function Screen blank mode Power managementDisabling the screen lock function Touch Wireless & network Wi-Fi settings Wireless network disconnect policy Hot key Description Hardware Maintenance Manual Plastic to plastic FRU replacement noticesScrew notices External CRU statement to customers Retaining serial numbers, MTM, UUID, and Asset ID Before servicing the ThinkPad Tablet Removing and replacing a FRU Removal steps of ThinkPad Tablet Pen ThinkPad Tablet Pen ThinkPad 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 assembly Removal steps of microphone assembly Microphone assembly Removal steps of system board and base cover System board, base cover, and LCD cable Applying 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 list Overall FRU FRU ThinkPad Tablet Keyboard Folio Case CRU ID Miscellaneous parts ThinkPad Tablet AC Charger ThinkPad Tablet AC Charger Micro-USB cable ThinkPad Tablet Dock power cord cable Tool Common service tools Trademarks Electronic emission noticesPage 0A96158