Lenovo 33472YU, S230U About this manual, Iii

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About this manual

This manual contains service and reference information for the following ThinkPad® products.

ThinkPad S230u Machine Type 3347

Use this manual along with the advanced diagnostic tests to troubleshoot problems.

Important:

This manual is intended only for trained service technicians who are familiar with ThinkPad products. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively.

Before servicing a ThinkPad product, be sure to read all the information under Chapter 1 “Safety information” on page 1 and Chapter 2 “Important service information” on page 21.

© Copyright Lenovo 2012

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Contents ThinkPad S230u Hardware Maintenance ManualFirst Edition September Copyright Lenovo Contents Appendix A. Notices Iii About this manualIv Hardware Maintenance Manual General safety Safety informationElectrical safety Safety inspection guide Grounding requirements Safety notices multilingual translationsSafety information Hardware Maintenance Manual Safety information Perigo Perigo Vorsicht Vorsicht Vorsicht Safety information Hardware Maintenance Manual Safety information Hardware Maintenance Manual Safety information Hardware Maintenance Manual Safety information Hardware Maintenance Manual Before replacing parts Important service informationStrategy for replacing FRUs Select Drivers & SoftwareImportant notice for replacing a system board How to use error messageDynamic Configure To Order CTO Click Warranty & Services Click Check Warranty Status Using PEWFRU identification for CTO, CMV, and GAV products Custom Model Variant CMVClick Product & Parts Detail Click Parts & AccessoriesWhat to do first General checkoutFollowing are not covered under warranty Lenovo Solution CenterCheckout guide Quick test programsTests Tools Uefi diagnostic programBootable diagnostic programs Click Lenovo Bootable Diagnostics Power system checkoutChecking the ac power adapter Checking the backup battery Checking the battery packWire Voltage V dc Checking operational chargingHardware Maintenance Manual Restoring the factory contents by using Recovery Disc Set Related service informationRefreshing the computer Hard-disk password PasswordsPower-on password How to remove the power-on password Supervisor passwordHow to remove the hard-disk password Select Power-On PasswordSleep mode Power managementHibernation mode Select Master HDPNumeric error codes Wireless off modeSymptom-to-FRU index 0190 Charge the battery pack Symptom or error FRU or action, in sequence 01890191 Run the ThinkPad Setup program, and then save 0199 Run the ThinkPad Setup program, and then saveBeep symptoms Error messagesNo-beep symptoms Intermittent problems LCD-related symptomsUndetermined problems Reseat the LCD connectorsHardware Maintenance Manual Indicator Meaning Status indicatorsIndicator Meaning Special key Description Special keysSpecial key Description Front view Locating computer controls, connectors, and indicatorsLocations Locating FRUs and CRUs Rear viewBottom view CRU statement for customers Major FRUs and CRUs Description Self-service CRU Optional-serviceCRU LCD FRUs Hinge Button board Looking up FRU informationHardware Maintenance Manual Screw notices FRU replacement noticesPlastic to plastic Logic card to plasticMTM on rear label Retaining serial numbersRestoring the serial number of the system unit Product ID on rear label Retaining the UuidReading or writing the ECA information Hardware Maintenance Manual General guidelines Removing or replacing a FRUBefore servicing the computer Disabling the built-in batteryRemoving the SIM card Hard disk drive or solid-state driveRemoving or replacing a FRU Step Screw quantity Color Torque KeyboardRemoval steps of keyboard Removing or replacing a FRU When installing PCI Express Mini Card for wireless LANRemoval steps of PCI Express Mini Card for wireless LAN Removal steps of PCI Express Mini Card for wireless WAN Removal steps of mSATA solid-state drive Step Screw cap Screw quantity Color Torque Keyboard bezel, backup battery, and speaker assemblyRemoval steps of keyboard bezel M2 × 3 mm, wafer-head, nylon-coated Silver 181 Nm Kgf-cm Hardware Maintenance Manual Battery pack Proximity sensors Important notices for replacing a battery packRemoval steps of proximity sensors Removal steps of thermal fan assembly LCD unit Removal steps of LCD unit When installing M2.5 × 3 mm, wafer-head, nylon-coated Silver 181 Nm Kgf-cm Removal steps of DC-in connector DC-in connectorImportant notices for handling the system board System board and base cover assemblyRemoval steps of system board and base cover assembly Applying labels to the base cover Following illustration shows the location of each label Removal steps of button bezel Button bezelLCD panel Removal steps of LCD panel Button boardRemoval steps of button board Integrated cameraRemoval steps of hinge HingeRemoval steps of integrated camera When installing Removal steps of wireless antenna assembly Removing or replacing a FRU Hardware Maintenance Manual Appendix A. Notices Trademarks Electronic emissions noticesPage 1P0B48943
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