ThinkPad Computer Hardware Maintenance Manual

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ThinkPad ComputerHardware Maintenance ManualFebruary 2006This manual supports:ThinkPad T40/T40p, T41/T41p, T42/T42p(MT 2373/2374/2375/2376/2378/2379)ThinkPad Dock II (MT 2877)

NoteBefore using this information and the product itsupports, be sure to read the general informationunder “Notices” on page 250.Second Edition (February 2006) Copyright Lenovo 2006.Portions Copyright International Business MachinesCorporation 2006.All rights reserved.U.S. GOVERNMENT USERS – RESTRICTED RIGHTS:Our products and/or services are provided withRESTRICTED RIGHTS. Use, duplication or disclosure bythe Government is subject to the GSA ADP Schedulecontract with Lenovo Group Limited, if any, or the standardterms of this commercial license, or if the agency is unableto accept this Program under these terms, then we providethis Program under the provisions set forth in CommercialComputer Software–Restricted Rights at FAR 52.227-19,when applicable, or under Rights in Data-General, FAR52.227.14 (Alternate III).

ContentsAbout this manual.Introduction . . . . . . . .Important service information . . . .Strategy for replacing FRUs . . .How to use error messages . . .Diskette compatibility matrix . . . .Safety notices: multilingual translations .Safety information . . . . . . .General safety . . . . . . .Electrical safety . . . . . .Safety inspection guide . . . .Handling devices that are sensitive todischarge . . . . . . .Grounding requirements . . . .Laser compliance statement . . . . 1. 3. 3. 3. 4. 4. 4. 16. 16. 17. 19. . . . . . . . . . . . .electrostatic. . . . . 20. . . . . 21. . . . . 22General descriptions . . . . . . . .Read this first . . . . . . . . . . .What to do first . . . . . . . . .Related service information . . . . . . .Service Web site . . . . . . . . .Restoring the pre-installed system . . . .Passwords . . . . . . . . . . .Power management . . . . . . . .Checkout guide . . . . . . . . . .Testing the computer . . . . . . . .Detecting system information with PC-Doctor .Power system checkout . . . . . . .252525272727283235353839ThinkPad T40/T40p, T41/T41p, T42/T42p SeriesProduct overview . . . . . . . . . .Specifications . . . . . . . . . .Status indicators . . . . . . . . .FRU tests . . . . . . . . . . .Fn key combinations . . . . . . . .Symptom-to-FRU index . . . . . . . .Numeric error codes . . . . . . . .Error messages . . . . . . . . .Beep symptoms . . . . . . . . .No-beep symptoms . . . . . . . .LCD-related symptoms . . . . . . .Intermittent problems . . . . . . . .Undetermined problems . . . . . . .FRU replacement notices . . . . . . .Screw notices . . . . . . . . . .Retaining serial numbers. . . . . . .Removing and replacing a FRU. . . . . .1010 Battery pack for 14.1-in. LCD models .1020 Battery pack for 15.0-in. LCD models .4345455053545858626363646565666667707173 Lenovo 2006. Portions IBM Corp. 2006.iii

1030 Ultrabay Slim device . . . . . . . . 741040 Hard disk drive . . . . . . . . . . 751050 DIMM (optional) . . . . . . . . . 771060 Keyboard . . . . . . . . . . . 791070 DIMM (standard) . . . . . . . . . 831080 Modem daughter card (MDC/MDC-2) . . . 841090 Bluetooth/Modem daughter card(BMDC/BMDC-2) . . . . . . . . . . 861100 Palm rest or Palm rest with fingerprint sensor(for 14.1-in. LCD models) . . . . . . . . 881110 Keyboard bezel or Keyboard bezel withfingerprint sensor (for 15.0-in. LCD models) . . 911120 Mini PCI adapter . . . . . . . . . 971130 Fan assembly . . . . . . . . . . 1011140 Backup battery for 14.1-in. LCD models1061150 Backup battery for 15.0-in. LCD models1081160 Speaker assembly . . . . . . . . 1101170 Keyboard bezel for 14.1-in. LCD models1121180 PC Card slot assembly for 14.1-in. LCDmodels . . . . . . . . . . . . . 1141190 PC Card slot assembly for 15.0-in. LCDmodels . . . . . . . . . . . . . 1161200 LCD assembly for 14.1-in. LCD models1181210 LCD assembly for 15.0-in. LCD models1231220 CPU . . . . . . . . . . . . 1281230 Ultrabay Slim guide rail assembly for 14.1-in.LCD models . . . . . . . . . . . 1291240 Ultrabay Slim guide rail assembly for 15.0-in.LCD models . . . . . . . . . . . 1311250 VGA and Ultrabay Slim device eject buttoncable . . . . . . . . . . . . . 1341260 System board and base cover for 14.1-in.LCD models . . . . . . . . . . . 1361270 System board, interposer card, and basecover for 15.0-in. LCD models . . . . . . 1452010 LCD front bezel for 14.1-in. LCD models1532020 LCD front bezel for 15.0-in. LCD models1552030 Inverter card for 14.1-in. LCD models . . . 1572040 Inverter card for 15.0-in. LCD models . . . 1592050 Wireless antenna assemblies, LCD panel,LCD cable assembly, hinges, and LCD cover for14.1-in. LCD models . . . . . . . . . 1602060 Wireless antenna assemblies, LCD panel,LCD cable assembly, hinges, and LCD cover for15.0-in. LCD models . . . . . . . . . 1753010 ThinkPad Dock II PCI cover . . . . . . 1823020 ThinkPad Dock II top cover . . . . . . 183Locations . . . . . . . . . . . . . . 186Front view . . . . . . . . . . . . 186Rear view . . . . . . . . . . . . . 188Bottom view . . . . . . . . . . . . 189Parts list . . . . . . . . . . . . . . 190Overall . . . . . . . . . . . . . 191ivT40/T40p, T41/T41p, T42/T42p

14.1-in. LCD FRUs .15.0-in. LCD FRUs .Keyboard . . . .Recovery CDs . .Miscellaneous parts .AC adapters . . .Optional FRUs . .Common parts list .Notices . . . . .Trademarks . . . .220230235237243246247248250252Contentsv

viT40/T40p, T41/T41p, T42/T42p

About this manualThis manual contains service and reference information forThinkPad T40/T40p, T41/T41p, T42/T42p series(MT2373, 2374, 2375, 2376, 2378, 2379, 2668, 2669,2678, 2679, 2686, and 2687), and ThinkPad Dock II(MT2877) products. Use this manual along with theadvanced diagnostic tests to troubleshoot problems.The manual is divided into sections as follows:v The common sections provide general information,guidelines, and safety information required in servicingcomputers.v The product-specific section includes service, reference,and product-specific parts information.ImportantThis manual is intended for trained servicepersonnel who are familiar with ThinkPad products.Use this manual along with the advanced diagnostictests to troubleshoot problems effectively.Before servicing a ThinkPad product, be sure toreview the safety information under “Safety notices:multilingual translations” on page 4, “Safetyinformation” on page 16, and “Laser compliancestatement” on page 22. Lenovo 2006. Portions IBM Corp. 2006.1

2T40/T40p, T41/T41p, T42/T42p

IntroductionImportant service informationImportantBIOS and device driver fixes arecustomer-installable. The BIOS and device driversare posted on the customer support sitehttp://www.lenovo.com/supportAdvise customers to contact the Customer SupportCenter at 800-426-7378 if they need assistance inobtaining or installing any diskette fixes.Customers in Canada should call the CustomerSupport Center at 800-565-3344 for assistance ordownload information.Strategy for replacing FRUsBefore replacing partsMake sure that all diskette fixes are installed beforereplacing any FRUs listed in this manual.Use the following strategy to prevent unnecessary expensefor replacing and servicing FRUs:v If you are instructed to replace a FRU but thereplacement does not correct the problem, reinstallthe original FRU before you continue.v Some computers have both a processor board and asystem board. If you are instructed to replace either theprocessor board or the system board, and replacing oneof them does not correct the problem, reinstall thatboard, and then replace the other one.v If an adapter or a device consists of more than oneFRU, any of the FRUs may be the cause of the error.Before replacing the adapter or device, remove theFRUs, one by one, to see if the symptoms change.Replace only the FRU that changed the symptoms.Attention: The setup configuration on the computer youare servicing may have been customized. RunningAutomatic Configuration may alter the settings. Note thecurrent configuration settings (using the View Configurationoption); then, when service has been completed, verify thatthose settings remain in effect. Lenovo 2006. Portions IBM Corp. 2006.3

Important service informationStrategy for replacing a hard disk driveAlways try to run a low-level format before replacing a harddisk drive.Attention: The drive startup sequence in the computeryou are servicing may have been changed. Be extremelycareful during write operations such as copying, saving, orformatting. If you select an incorrect drive, data orprograms can be overwritten.How to use error messagesUse the error codes displayed on the screen to diagnosefailures. If more than one error code is displayed, begin thediagnosis with the first error code. Whatever causes thefirst error code may also cause false error codes. If noerror code is displayed, see whether the error symptom islisted in the Symptom-to-FRU Index for the computer youare servicing.Diskette compatibility matrixThe compatibility of each of the drives with the diskettesfor it is as 3.5-inch1.0 MBRead and write2.0 MBRead and write4.0 MBNot compatibleSafety notices: multilingual translationsIn this manual, safety notices appear in English with apage number reference to the appropriate multilingual,translated safety notice found in this section.The following safety notices are provided in English,French, German, Hebrew, Italian, and Spanish.4T40/T40p, T41/T41p, T42/T42p

Safety noticesSafety notice 1Before the computer is powered on after FRUreplacement, make sure all screws, springs, and othersmall parts are in place and are not left loose insidethe computer. Verify this by shaking the computer andlistening for rattling sounds. Metallic parts or metalflakes can cause electrical shorts.Avant de remettre l’ordinateur sous tension aprèsremplacement d’une unité en clientèle, vérifiez quetous les ressorts, vis et autres pièces sont bien enplace et bien fixées. Pour ce faire, secouez l’unité etassurez-vous qu’aucun bruit suspect ne se produit. Despièces métalliques ou des copeaux de métal pourraientcauser un court-circuit.Bevor nach einem FRU-Austausch der Computerwieder angeschlossen wird, muß sichergestellt werden,daß keine Schrauben, Federn oder andere Kleinteilefehlen oder im Gehäuse vergessen wurden. DerComputer muß geschüttelt und auf Klappergeräuschegeprüft werden. Metallteile oder-splitter könnenKurzschlüsse erzeugen.Prima di accendere l’elaboratore dopo che é stataeffettuata la sostituzione di una FRU, accertarsi chetutte le viti, le molle e tutte le altri parti di piccoledimensioni siano nella corretta posizione e non sianosparse all’interno dell’elaboratore. Verificare ciòscuotendo l’elaboratore e prestando attenzione adeventuali rumori; eventuali parti o pezzetti metallicipossono provocare cortocircuiti pericolosi.Antes de encender el sistema despues de sustituir unaFRU, compruebe que todos los tornillos, muelles ydemás piezas pequeñas se encuentran en su sitio y nose encuentran sueltas dentro del sistema.Compruébelo agitando el sistema y escuchando losposibles ruidos que provocarían. Las piezas metálicaspueden causar cortocircuitos eléctricos.Introduction5

Safety noticesSafety notice 2DANGERSome standby batteries contain a small amount ofnickel and cadmium. Do not disassemble a standbybattery, recharge it, throw it into fire or water, orshort-circuit it. Dispose of the battery as requiredby local ordinances or regulations. Use only thebattery in the appropriate parts listing. Use of anincorrect battery can result in ignition or explosionof the battery.Certaines batteries de secours contiennent dunickel et du cadmium. Ne les démontez pas, ne lesrechargez pas, ne les exposez ni au feu ni à l’eau.Ne les mettez pas en court-circuit. Pour les mettreau rebut, conformez-vous à la réglementation envigueur. Lorsque vous remplacez la pile desauvegarde ou celle de l’horloge temps réel, veillezà n’utiliser que les modèles cités dans la liste depièces détachées adéquate. Une batterie ou unepile inappropriée risque de prendre feu oud’exploser.Die Bereitschaftsbatterie, die sich unter demDiskettenlaufwerk befindet, kann geringe MengenNickel und Cadmium enthalten. Sie darf nur durchdie Verkaufsstelle oder den IBM Kundendienstausgetauscht werden. Sie darf nicht zerlegt,wiederaufgeladen, kurzgeschlossen, oder Feueroder Wasser ausgesetzt werden. Die Batterie kannschwere Verbrennungen oder Verätzungenverursachen. Bei der Entsorgung die örtlichenBestimmungen für Sondermüll beachten. BeimErsetzen der Bereitschafts-oder Systembatterie nurBatterien des Typs verwenden, der in derErsatzteilliste aufgeführt ist. Der Einsatz falscherBatterien kann zu Entzündung oder Explosionführen.(continued)6T40/T40p, T41/T41p, T42/T42p

Safety notices(continuation of safety notice 2)Alcune batterie di riserva contengono una piccolaquantità di nichel e cadmio. Non smontarle,ricaricarle, gettarle nel fuoco o nell’acqua nécortocircuitarle. Smaltirle secondo la normativa invigore (DPR 915/82, successive disposizioni edisposizioni locali). Quando si sostituisce labatteria dell’RTC (real time clock) o la batteria disupporto, utilizzare soltanto i tipi inseritinell’appropriato Catalogo parti. L’impiego di unabatteria non adatta potrebbe determinare l’incendioo l’esplosione della batteria stessa.Algunas baterías de reserva contienen unapequeña cantidad de níquel y cadmio. No lasdesmonte, ni recargue, ni las eche al fuego o alagua ni las cortocircuite. Deséchelas tal comodispone la normativa local. Utilice sólo baterías quese encuentren en la lista de piezas. La utilizaciónde una batería no apropiada puede provocar laignición o explosión de la misma.Introduction7

Safety noticesSafety notice 3DANGERThe battery pack contains small amounts of nickel.Do not disassemble it, throw it into fire or water, orshort-circuit it. Dispose of the battery pack asrequired by local ordinances or regulations. Useonly the battery in the appropriate parts listingwhen replacing the battery pack. Use of anincorrect battery can result in ignition or explosionof the battery.La batterie contient du nickel. Ne la démontez pas,ne l’exposez ni au feu ni à l’eau. Ne la mettez pasen court-circuit. Pour la mettre au rebut,conformez-vous à la réglementation en vigueur.Lorsque vous remplacez la batterie, veillez àn’utiliser que les modèles cités dans la liste depièces détachées adéquate. En effet, une batterieinappropriée risque de prendre feu ou d’exploser.Akkus enthalten geringe Mengen von Nickel. Siedürfen nicht zerlegt, wiederaufgeladen,kurzgeschlossen, oder Feuer oder Wasserausgesetzt werden. Bei der Entsorgung dieörtlichen Bestimmungen für Sondermüll beachten.Beim Ersetzen der Batterie nur Batterien des Typsverwenden, der in der Ersatzteilliste aufgeführt ist.Der Einsatz falscher Batterien kann zu Entzündungoder Explosion führen.(continued)8T40/T40p, T41/T41p, T42/T42p

Safety notices(continuation of safety notice 3)La batteria contiene piccole quantità di nichel. Nonsmontarla, gettarla nel fuoco o nell’acqua nécortocircuitarla. Smaltirla secondo la normativa invigore (DPR 915/82, successive disposizioni edisposizioni locali). Quando si sostituisce labatteria, utilizzare soltanto i tipi inseritinell’appropriato Catalogo parti. L’impiego di unabatteria non adatta potrebbe determinare l’incendioo l’esplosione della batteria stessa.Las baterías contienen pequeñas cantidades deníquel. No las desmonte, ni recargue, ni las eche alfuego o al agua ni las cortocircuite. Deséchelas talcomo dispone la normativa local. Utilice sólobaterías que se encuentren en la lista de piezas alsustituir la batería. La utilización de una batería noapropiada puede provocar la ignición o explosiónde la misma.Introduction9

Safety noticesSafety notice 4DANGERThe lithium battery can cause a fire, an explosion,or a severe burn. Do not recharge it, remove itspolarized connector, disassemble it, heat it above100 C (212 F), incinerate it, or expose its cellcontents to water. Dispose of the battery asrequired by local ordinances or regulations. Useonly the battery in the appropriate parts listing. Useof an incorrect battery can result in ignition orexplosion of the battery.La pile de sauvegarde contient du lithium. Elleprésente des risques d’incendie, d’explosion ou debrûlures graves. Ne la rechargez pas, ne retirez passon connecteur polarisé et ne la démontez pas. Nel’exposez pas à une temperature supérieure à100 C, ne la faites pas brûler et n’en exposez pasle contenu à l’eau. Mettez la pile au rebutconformément à la réglementation en vigueur. Unepile inappropriée risque de prendre feu oud’exploser.Die Systembatterie ist eine Lithiumbatterie. Siekann sich entzünden, explodieren oder schwereVerbrennungen hervorrufen. Batterien dieses Typsdürfen nicht aufgeladen, zerlegt, über 100 C erhitztoder verbrannt werden. Auch darf ihr Inhalt nichtmit Wasser in Verbindung gebracht oder der zurrichtigen Polung angebrachte Verbindungssteckerentfernt werden. Bei der Entsorgung die örtlichenBestimmungen für Sondermüll beachten. BeimErsetzen der Batterie nur Batterien des Typsverwenden, der in der Ersatzteilliste aufgeführt ist.Der Einsatz falscher Batterien kann zu Entzündungoder Explosion führen.(continued)10T40/T40p, T41/T41p, T42/T42p

Safety notices(continuation of safety notice 4)La batteria di supporto e una batteria al litio e puoincendiarsi, esplodere o procurare gravi ustioni.Evitare di ricaricarla, smontarne il connettorepolarizzato, smontarla, riscaldarla ad unatemperatura superiore ai 100 gradi centigradi,incendiarla o gettarla in acqua. Smaltirla secondola normativa in vigore (DPR 915/82, successivedisposizioni e disposizioni locali). L’impiego di unabatteria non adatta potrebbe determinare l’incendioo l’esplosione della batteria stessa.La batería de repuesto es una batería de litio ypuede provocar incendios, explosiones oquemaduras graves. No la recargue, ni quite elconector polarizado, ni la desmonte, ni caliente porencima de los 100 C (212 F), ni la incinere niexponga el contenido de sus celdas al agua.Deséchela tal como dispone la normativa local.Introduction11

Safety noticesSafety notice 5If the LCD breaks and the fluid from inside the LCDgets into your eyes or on your hands, immediatelywash the affected areas with water for at least 15minutes. Seek medical care if any symptoms from thefluid are present after washing.Si le panneau d’affichage à cristaux liquides se brise etque vous recevez dans les yeux ou sur les mains unepartie du fluide, rincez-les abondamment pendant aumoins quinze minutes. Consultez un médecin si dessymptômes persistent après le lavage.Die Leuchtstoffröhre im LCD-Bildschirm enthältQuecksilber. Bei der Entsorgung die örtlichenBestimmungen für Sondermüll beachten. DerLCD-Bildschirm besteht aus Glas und kann zerbrechen,wenn er unsachgemäß behandelt wird oder derComputer auf den Boden fällt. Wenn der Bildschirmbeschädigt ist und die darin befindliche Flüssigkeit inKontakt mit Haut und Augen gerät, sollten diebetroffenen Stellen mindestens 15 Minuten mit Wasserabgespült und bei Beschwerden anschließend ein Arztaufgesucht werden.Nel caso che caso l’LCD si dovesse rompere ed illiquido in esso contenuto entrasse in contatto con gliocchi o le mani, lavare immediatamente le partiinteressate con acqua corrente per almeno 15 minuti;poi consultare un medico se i sintomi dovesseropermanere.Si la LCD se rompe y el fluido de su interior entra encontacto con sus ojos o sus manos, laveinmediatamente las áreas afectadas con agua durante15 minutos como mínimo. Obtenga atención medica sise presenta algún síntoma del fluido despues delavarse.12T40/T40p, T41/T41p, T42/T42p

Safety noticesSafety notice 6DANGERTo avoid shock, do not remove the plastic

service, reference, and product-specific parts information. Important This manual is intended for trained service personnel 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 review the safety information under .

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the CDS Hooks definition, t he user interface presentation of the cards to the physician is the task of the EHR that invoked the CDS service. 1.3. Hepatitis serology test interpretation by Hepaxpert Hepaxpert [7] is an app developed by Medexter Healthcare for the textual interpretation of hepatitis A, B, and C serology antigen and antibody test results. After the test results are entered in .