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Lenovo 2808DKU, 28155YU, 28155XU manual Note: Before step, keyboard bezel as shown in the figure

Models: 2808DKU 28155XU 28155YU

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Note: Before step

Table 22. Removal steps of keyboard bezel and speaker assembly (continued)

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Note: Before step	, pull the cables out from the cable guide hole of the
keyboard bezel as shown in the figure		.

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108ThinkPad T400s Hardware Maintenance Manual

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Lenovo 2808DKU Note: Before step, keyboard bezel as shown in the figure, 108ThinkPad T400s Hardware Maintenance Manual

Contents

ThinkPad T400s Hardware Maintenance Manual Page ThinkPad T400s Hardware Maintenance Manual First Edition June Copyright Lenovo Contents Parts list About this manual ThinkPad T400sviThinkPad T400s Hardware Maintenance Manual Safety information General safety Electrical safety –Power supply units –Pumps –Blowers and fans Safety inspection guide Grounding requirements NotesSafety notices multilingual translations Safety informationvEnglish vArabic vBrazilian Portuguese vFrench vGerman vHebrew vJapanese vKorean vSpanishDANGER DANGERDANGER DANGERDANGER DANGERDANGER To avoid shock, do not remove the plastic cover that protects the lower part of the inverter card10ThinkPad T400s Hardware Maintenance Manual Safety information PERIGO PERIGOPERIGO PERIGOPERIGO PERIGOPERIGO Para evitar choque elétrico, não remova a capa plástica que protege a parte inferior da placa inversoraDANGER DANGERDANGER DANGERDANGER DANGERDANGER Afin d’éviter tout risque de choc électrique, ne retirez pas le cache en plastique protégeant la partie inférieure de la carte d’alimentationVORSICHT VORSICHTVORSICHT VORSICHTVORSICHT VORSICHTVORSICHT VORSICHT18ThinkPad T400s Hardware Maintenance Manual Safety information 20ThinkPad T400s Hardware Maintenance Manual Safety information 22ThinkPad T400s Hardware Maintenance Manual Safety information PELIGRO PELIGROPELIGRO PELIGROPELIGRO PELIGROPELIGRO Para evitar descargas, no quite la cubierta de plástico que rodea la parte baja de la tarjeta invertida26ThinkPad T400s Hardware Maintenance Manual Safety information DANGER Safety information PERIGO CUIDADONão abra DANGER GEFAHR VORSICHTöffnen Safety information 34ThinkPad T400s Hardware Maintenance Manual Safety information PELIGRO 36ThinkPad T400s Hardware Maintenance ManualPRECAUCIÓN Safety information 38ThinkPad T400s Hardware Maintenance Manual Important service information Strategy for replacing FRUsBefore replacing parts 3.Select Downloads and driversImportant notice for replacing a system board How to use error messageStrategy for replacing a hard disk drive Dynamic Configure To Order CTO Using PEWStrategy for replacing FRUs for CTO, CMV, and GAV Product definition42ThinkPad T400s Hardware Maintenance Manual Using eSupportUsing the HMM vBe careful not to replace a nondefective FRU General checkoutImportant notes What to do first The following are not covered under warrantyDiagnostics using PC-Doctorfor DOS Checkout guideTesting the computer Detecting system information with PC-Doctor DiagnosticsInteractive Tests Hardware InfoFRU tests PC-Doctorfor Rescue and RecoveryLenovo System Toolbox Table 1. FRU tests continued Applicable testTable 1. FRU tests continued Touch PadPower system checkout Checking the AC adapterChecking the battery pack Checking operational chargingChecking the backup battery 54ThinkPad T400s Hardware Maintenance Manual Related service information Service Web sitePasswords Power-onpasswordHard-diskpassword Supervisor passwordHow to remove the power-onpassword How to remove the hard-diskpassword5.Select Power-OnPassword A If no SVP has been set6.Select Master HDP Standby mode Power managementScreen blank mode Hibernation mode Symptom-to-FRUindex Numeric error codesTable 2. Numeric error codes continued Symptom or errorTable 2. Numeric error codes continued Symptom or errorTable 2. Numeric error codes continued Symptom or errorError messages Table 3. Error messagesBeep symptoms No-beepsymptomsTable 4. Beep symptoms Table 5. No-beepsymptomsLCD-relatedsymptoms NotesIntermittent problems Undetermined problemsSpecifications Table 7. SpecificationsFeature DescriptionI/O port Table 7. Specifications continuedBluetooth wireless Status indicators Copyright LenovoBluetooth Table 8. Status indicatorsIndicator Table 8. Status indicators continued IndicatorMeaning Blinking green slow74ThinkPad T400s Hardware Maintenance Manual Fn key combinations Table 9. Fn key combinationsKey combination DescriptionTable 9. Fn key combinations continued Fn+F7FRU replacement notices Screw noticesvPlastic to plastic vLogic card to plasticRetaining serial numbers Restoring the serial number of the system unitRetaining the UUID 3.Select 2. Read S/N data from EEPROMReading or writing the ECA information 80ThinkPad T400s Hardware Maintenance Manual Removing and replacing a FRU DANGERBefore servicing ThinkPad T400s Removing the SIM card1010 Battery pack DANGERFor access, remove this FRU 1030 Solid state drive SSD or hard disk drive HDD StepScrew quantity Color86ThinkPad T400s Hardware Maintenance Manual Table 12. Removal steps of SSD or HDD continued1040 DIMM For access, remove these FRUs in orderv“1010 Battery pack” on page Note: Loosen the screwsTable 13. Removal steps of DIMM continued 1050 PCI Express Mini Card for wireless LAN Removing and replacing a FRUStep Screw quantityColor TorqueWhen installing 1060 PCI Express Mini Card for wireless WAN 92ThinkPad T400s Hardware Maintenance ManualStep Screw quantityColor Torque94ThinkPad T400s Hardware Maintenance Manual Removing and replacing a FRU 1070 KeyboardTable 16. Removal steps of keyboard 96ThinkPad T400s Hardware Maintenance Manual StepScrew quantity Colorthe connector and then detachTable 16. Removal steps of keyboard continued Removing and replacing a FRUWhen installing the keyboard, do as follows 1. Attach the keyboard connectorTable 17. Installation steps of keyboard 98ThinkPad T400s Hardware Maintenance Manual2. Attach the keyboard so that the keyboard edges 1080 Backup battery DANGER1090 Wireless USB adapter or Intel Turbo Memory Note: StepStep Screw quantity102ThinkPad T400s Hardware Maintenance Manual For access, remove these FRUs in order StepScrew quantity Color104ThinkPad T400s Hardware Maintenance Manual 5 51110 Bluetooth daughter card BDC-2 StepScrew quantity Color1120 Keyboard bezel and speaker assembly StepScrew quantity ColorStep Screw quantityColor Torquekeyboard bezel as shown in the figure 108ThinkPad T400s Hardware Maintenance ManualNote: Before step Step Screw quantityColor Torque1130 5-in-1Media Card Reader adapter StepScrew quantity Color1140 Bluetooth–wirelessradio switch FPC StepScrew quantity Color112ThinkPad T400s Hardware Maintenance Manual 1150 LCD unit StepScrew quantity ColorTable 25. Removal steps of LCD unit continued When installing114ThinkPad T400s Hardware Maintenance Manual Table 25. Removal steps of LCD unit continued Removing and replacing a FRU116ThinkPad T400s Hardware Maintenance Manual Table 25. Removal steps of LCD unit continuedImportant notices for handling the system board ICH I/O Controller Hub CPU Step Screw quantityColor TorqueNote The steps from StepScrew quantity ColorWhen installing StepScrew quantity Color122ThinkPad T400s Hardware Maintenance Manual 1170 I/O sub card and base cover assembly StepScrew quantity ColorNote: Applying labels to the base cover 2010 LCD bezel assembly Table 28. Removal steps of LCD bezel assemblyStep Screw cap126ThinkPad T400s Hardware Maintenance Manual 3 2 222020 LCD latch L and R For access, remove the following FRUv“1010 Battery pack” on page v“2010 LCD bezel assembly” on page2030 Integrated camera or microphone sub card StepScrew quantity ColorRemoving and replacing a FRU 2040 LED sub card 130ThinkPad T400s Hardware Maintenance ManualStep Screw quantity2050 LCD panel Important notice on handling the LCD panelWhen installing vDO NOT work by lifting the LCD panelTable 32. Removal steps of LCD panel continued Removing and replacing a FRU2060 LCD cable 2070 Hinge kit StepScrew quantity Color136ThinkPad T400s Hardware Maintenance Manual Table 34. Removal steps of hinge kit continued2080 LED cable 138ThinkPad T400s Hardware Maintenance Manual Table 35. Removal steps of LED cable continued2090 Antenna kit and LCD rear cover assembly StepScrew quantity Color140ThinkPad T400s Hardware Maintenance Manual Locations Front viewRear view Bottom view 144ThinkPad T400s Hardware Maintenance Manual Parts list Self-serviceCRUsOptional-serviceCRUs NotesOverall 146ThinkPad T400s Hardware Maintenance Manual22 21 20 19 18 17 16 15 14 13 12 11 1 2 3 4 5 6 7 8 9FRU no Table 37. Parts list—OverallFRU Overall Table 37. Parts list—Overallcontinued Ericsson F3507g USA - Wireless WAN cardTable 37. Parts list—Overallcontinued DVD-RAM/RWdriveTable 37. Parts list—Overallcontinued MicroSATA solid state drive, 64 GBTable 37. Parts list-Overallcontinued 45N7955Table 37. Parts list—Overallcontinued 42T1327Table 37. Parts list—Overallcontinued 43Y9976Table 37. Parts list-Overallcontinued 2-GB DDR3-1066SDRAM SO-DIMM PC3-8500cardTable 37. Parts list—Overallcontinued Palm rest assembly with fingerprint readerLCD FRUs 156ThinkPad T400s Hardware Maintenance Manual11 1 2 10 3 4 5FRU no Table 38. Parts list—14.1-inchWXGA+ TFTFRU 14.1-inchWXGA+ TFT Keyboard Table 39. Parts list-KeyboardLanguage FRU noMiscellaneous parts Table 40. Parts list—MiscellaneouspartsKeyboard bezel miscellaneous parts Table 40. Parts list—Miscellaneouspartscontinued Table 42. Parts list—3-pinAC adapters AC adaptersTable 41. Parts list-2-pinAC adapters Power cords Table 44. Parts list—2-pinpower cordsTable 45. Parts list—3-pinpower cords Country or regionRecovery discs Windows XP Professional recovery DVDs164ThinkPad T400s Hardware Maintenance Manual v2801-CTO v2808-CTO v2809-CTO v2815-CTO v2823-CTOv2824-CTO v2825-CTO Languagev2823-CTO v2824-CTO v2825-CTO Windows Vista Home Basic 32 bit recovery DVDsv2801-CTO v2808-CTO v2809-CTO,73x v2815-CTO,32x v2815-CTO v2823-CTO v2824-CTO v2825-CTO Windows Vista Home Premium 32 bit recovery DVDsv2801-CTO,A9x, AHx, AJx, AKx v2808-CTO v2809-CTO Windows Vista Business 32 bit recovery DVDs Brazilian Portuguese Windows Vista Business 64 bit recovery DVDs v2801-CTO v2808-CTO,CGx, CMx v2809-CTOv2815-CTO,3Px, 3Rx v2823-CTO,9Gx v2824-CTO v2825-CTOWindows Vista Ultimate 32 bit recovery DVDs v2801-CTO v2808-CTO v2809-CTOv2815-CTO,2Qx, 2Tx, 3Nx, 3Qx v2823-CTO,9Fx v2824-CTO v2825-CTOTool Common service toolsTable 53. Parts list—Commonservice tools 172ThinkPad T400s Hardware Maintenance Manual Notices Lenovo United States, Inc1009 Think Place - Building One Morrisville, NC U.S.A Attention: Lenovo Director of LicensingTrademarks Page Part Number 45M2271 1P P/N: 45M2271