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Lenovo 28155YU, 28155XU, 2808DKU Removal steps of LCD unit continued, Removing and replacing a FRU

Models: 2808DKU 28155XU 28155YU

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Table 25. Removal steps of LCD unit (continued)

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When installing: Make sure that the connector is attached firmly.

Removing and replacing a FRU 115

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Lenovo 28155YU, 28155XU, 2808DKU manual Removal steps of LCD unit continued, Removing and replacing a FRU

Contents

ThinkPad T400s Hardware Maintenance Manual Page ThinkPad T400s Hardware Maintenance Manual First Edition June Copyright Lenovo Contents Parts list ThinkPad T400s About this manualviThinkPad T400s Hardware Maintenance Manual Safety information General safety Electrical safety –Power supply units –Pumps –Blowers and fans Safety inspection guide Notes Grounding requirementsvGerman vHebrew vJapanese vKorean vSpanish Safety notices multilingual translationsSafety information vEnglish vArabic vBrazilian Portuguese vFrenchDANGER DANGERDANGER DANGERTo avoid shock, do not remove the plastic cover that protects the lower part of the inverter card DANGERDANGER DANGER10ThinkPad T400s Hardware Maintenance Manual Safety information PERIGO PERIGOPERIGO PERIGOPara evitar choque elétrico, não remova a capa plástica que protege a parte inferior da placa inversora PERIGOPERIGO PERIGODANGER DANGERDANGER DANGERAfin d’éviter tout risque de choc électrique, ne retirez pas le cache en plastique protégeant la partie inférieure de la carte d’alimentation DANGERDANGER DANGERVORSICHT 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 PELIGROPara evitar descargas, no quite la cubierta de plástico que rodea la parte baja de la tarjeta invertida PELIGROPELIGRO PELIGRO26ThinkPad T400s Hardware Maintenance Manual Safety information DANGER Safety information CUIDADO Não abraPERIGO DANGER VORSICHT öffnenGEFAHR Safety information 34ThinkPad T400s Hardware Maintenance Manual Safety information 36ThinkPad T400s Hardware Maintenance Manual PRECAUCIÓNPELIGRO Safety information 38ThinkPad T400s Hardware Maintenance Manual 3.Select Downloads and drivers Important service informationStrategy for replacing FRUs Before replacing partsHow to use error message Strategy for replacing a hard disk driveImportant notice for replacing a system board Product definition Dynamic Configure To Order CTOUsing PEW Strategy for replacing FRUs for CTO, CMV, and GAVUsing eSupport Using the HMM42ThinkPad T400s Hardware Maintenance Manual General checkout Important notesvBe careful not to replace a nondefective FRU The following are not covered under warranty What to do firstCheckout guide Diagnostics using PC-Doctorfor DOSTesting the computer Hardware Info Detecting system information with PC-DoctorDiagnostics Interactive TestsPC-Doctorfor Rescue and Recovery Lenovo System ToolboxFRU tests Applicable test Table 1. FRU tests continuedTouch Pad Table 1. FRU tests continuedChecking the AC adapter Power system checkoutChecking operational charging Checking the battery packChecking the backup battery 54ThinkPad T400s Hardware Maintenance Manual Service Web site Related service informationSupervisor password PasswordsPower-onpassword Hard-diskpasswordA If no SVP has been set How to remove the power-onpasswordHow to remove the hard-diskpassword 5.Select Power-OnPassword6.Select Master HDP Power management Screen blank modeStandby mode Hibernation mode Numeric error codes Symptom-to-FRUindexSymptom or error Table 2. Numeric error codes continuedSymptom or error Table 2. Numeric error codes continuedSymptom or error Table 2. Numeric error codes continuedTable 3. Error messages Error messagesTable 5. No-beepsymptoms Beep symptomsNo-beepsymptoms Table 4. Beep symptomsNotes LCD-relatedsymptomsUndetermined problems Intermittent problemsDescription SpecificationsTable 7. Specifications FeatureTable 7. Specifications continued Bluetooth wirelessI/O port Copyright Lenovo Status indicatorsTable 8. Status indicators IndicatorBluetooth Blinking green slow Table 8. Status indicators continuedIndicator Meaning74ThinkPad T400s Hardware Maintenance Manual Description Fn key combinationsTable 9. Fn key combinations Key combinationFn+F7 Table 9. Fn key combinations continuedvLogic card to plastic FRU replacement noticesScrew notices vPlastic to plastic3.Select 2. Read S/N data from EEPROM Retaining serial numbersRestoring the serial number of the system unit Retaining the UUIDReading or writing the ECA information 80ThinkPad T400s Hardware Maintenance Manual DANGER Removing and replacing a FRURemoving the SIM card Before servicing ThinkPad T400sDANGER 1010 Battery packFor access, remove this FRU Color 1030 Solid state drive SSD or hard disk drive HDDStep Screw quantityTable 12. Removal steps of SSD or HDD continued 86ThinkPad T400s Hardware Maintenance ManualNote: Loosen the screws 1040 DIMMFor access, remove these FRUs in order v“1010 Battery pack” on pageTable 13. Removal steps of DIMM continued Removing and replacing a FRU 1050 PCI Express Mini Card for wireless LANTorque StepScrew quantity ColorWhen installing 92ThinkPad T400s Hardware Maintenance Manual 1060 PCI Express Mini Card for wireless WANTorque StepScrew quantity Color94ThinkPad T400s Hardware Maintenance Manual 1070 Keyboard Table 16. Removal steps of keyboardRemoving and replacing a FRU Color 96ThinkPad T400s Hardware Maintenance ManualStep Screw quantityRemoving and replacing a FRU the connectorand then detach Table 16. Removal steps of keyboard continued98ThinkPad T400s Hardware Maintenance Manual When installing the keyboard, do as follows1. Attach the keyboard connector Table 17. Installation steps of keyboard2. Attach the keyboard so that the keyboard edges DANGER 1080 Backup batteryScrew quantity 1090 Wireless USB adapter or Intel Turbo MemoryNote: Step Step102ThinkPad T400s Hardware Maintenance Manual Color For access, remove these FRUs in orderStep Screw quantity5 5 104ThinkPad T400s Hardware Maintenance ManualColor 1110 Bluetooth daughter card BDC-2Step Screw quantityColor 1120 Keyboard bezel and speaker assemblyStep Screw quantityTorque StepScrew quantity Color108ThinkPad T400s Hardware Maintenance Manual Note: Before stepkeyboard bezel as shown in the figure Torque StepScrew quantity ColorColor 1130 5-in-1Media Card Reader adapterStep Screw quantityColor 1140 Bluetooth–wirelessradio switch FPCStep Screw quantity112ThinkPad T400s Hardware Maintenance Manual Color 1150 LCD unitStep Screw quantityWhen installing 114ThinkPad T400s Hardware Maintenance ManualTable 25. Removal steps of LCD unit continued Removing and replacing a FRU Table 25. Removal steps of LCD unit continuedTable 25. Removal steps of LCD unit continued 116ThinkPad T400s Hardware Maintenance ManualImportant notices for handling the system board ICH I/O Controller Hub CPU Torque StepScrew quantity ColorColor Note The steps fromStep Screw quantityColor When installingStep Screw quantity122ThinkPad T400s Hardware Maintenance Manual Color 1170 I/O sub card and base cover assemblyStep Screw quantityNote: Applying labels to the base cover Screw cap 2010 LCD bezel assemblyTable 28. Removal steps of LCD bezel assembly Step3 2 22 126ThinkPad T400s Hardware Maintenance Manualv“2010 LCD bezel assembly” on page 2020 LCD latch L and RFor access, remove the following FRU v“1010 Battery pack” on pageColor 2030 Integrated camera or microphone sub cardStep Screw quantityRemoving and replacing a FRU Screw quantity 2040 LED sub card130ThinkPad T400s Hardware Maintenance Manual StepImportant notice on handling the LCD panel 2050 LCD panelvDO NOT work by lifting the LCD panel When installingRemoving and replacing a FRU Table 32. Removal steps of LCD panel continued2060 LCD cable Color 2070 Hinge kitStep Screw quantityTable 34. Removal steps of hinge kit continued 136ThinkPad T400s Hardware Maintenance Manual2080 LED cable Table 35. Removal steps of LED cable continued 138ThinkPad T400s Hardware Maintenance ManualColor 2090 Antenna kit and LCD rear cover assemblyStep Screw quantity140ThinkPad T400s Hardware Maintenance Manual Front view LocationsRear view Bottom view 144ThinkPad T400s Hardware Maintenance Manual Notes Parts listSelf-serviceCRUs Optional-serviceCRUs1 2 3 4 5 6 7 8 9 Overall146ThinkPad T400s Hardware Maintenance Manual 22 21 20 19 18 17 16 15 14 13 12 11Table 37. Parts list—Overall FRU OverallFRU no Ericsson F3507g USA - Wireless WAN card Table 37. Parts list—OverallcontinuedDVD-RAM/RWdrive Table 37. Parts list—OverallcontinuedMicroSATA solid state drive, 64 GB Table 37. Parts list—Overallcontinued45N7955 Table 37. Parts list-Overallcontinued42T1327 Table 37. Parts list—Overallcontinued43Y9976 Table 37. Parts list—Overallcontinued2-GB DDR3-1066SDRAM SO-DIMM PC3-8500card Table 37. Parts list-OverallcontinuedPalm rest assembly with fingerprint reader Table 37. Parts list—Overallcontinued3 4 5 LCD FRUs156ThinkPad T400s Hardware Maintenance Manual 11 1 2 10Table 38. Parts list—14.1-inchWXGA+ TFT FRU 14.1-inchWXGA+ TFTFRU no FRU no KeyboardTable 39. Parts list-Keyboard LanguageTable 40. Parts list—Miscellaneousparts Miscellaneous partsTable 40. Parts list—Miscellaneousparts continuedKeyboard bezel miscellaneous parts AC adapters Table 41. Parts list-2-pinAC adaptersTable 42. Parts list—3-pinAC adapters Country or region Power cordsTable 44. Parts list—2-pinpower cords Table 45. Parts list—3-pinpower cordsWindows XP Professional recovery DVDs Recovery discsLanguage 164ThinkPad T400s Hardware Maintenance Manualv2801-CTO v2808-CTO v2809-CTO v2815-CTO v2823-CTO v2824-CTO v2825-CTOWindows Vista Home Basic 32 bit recovery DVDs v2801-CTO v2808-CTO v2809-CTO,73x v2815-CTO,32xv2823-CTO v2824-CTO v2825-CTO Windows Vista Home Premium 32 bit recovery DVDs v2801-CTO,A9x, AHx, AJx, AKx v2808-CTO v2809-CTOv2815-CTO v2823-CTO v2824-CTO v2825-CTO Windows Vista Business 32 bit recovery DVDs Brazilian Portuguese v2825-CTO Windows Vista Business 64 bit recovery DVDsv2801-CTO v2808-CTO,CGx, CMx v2809-CTO v2815-CTO,3Px, 3Rx v2823-CTO,9Gx v2824-CTOv2824-CTO v2825-CTO Windows Vista Ultimate 32 bit recovery DVDsv2801-CTO v2808-CTO v2809-CTO v2815-CTO,2Qx, 2Tx, 3Nx, 3Qx v2823-CTO,9FxCommon service tools Table 53. Parts list—Commonservice toolsTool 172ThinkPad T400s Hardware Maintenance Manual U.S.A Attention: Lenovo Director of Licensing NoticesLenovo United States, Inc 1009 Think Place - Building One Morrisville, NCTrademarks Page 1P P/N: 45M2271 Part Number 45M2271