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Lenovo TAB4 8

Lenovo TB-8504F/Lenovo TB-8504X

Hardware
Maintenance
Manual

Summary of Contents for TB-8504F

Page 1: ...Lenovo TAB4 8 Lenovo TB 8504F Lenovo TB 8504X Hardware Maintenance Manual ...

Page 2: ...veloped exclusively at private expense and are sold to governmental entities as commercial items as defined by 48 C F R 2 101 with limited and restricted rights to use reproduction and disclosure LIMITED AND RESTRICTED RIGHTS NOTICE If products data computer software or services are delivered pursuant a General Services Administration GSA contract use reproduction or disclo sure is subject to rest...

Page 3: ...or replacing a system board 17 Important information about replacing RoHS compliant FRUs 18 General checkout 19 What to do first 20 Lenovo TB 8504F Lenovo TB 8504X 21 FRU replacement notices 21 Screw notices 21 Removing and replacing an FRU 23 1010 Card tray 24 1020 Battery cover 25 1030 System board frame 26 1040 Battery pack and main frame 27 1050 Camera motor and RF cable 30 1060 System board s...

Page 4: ... and safety information required for servicing computers The product specific section includes service reference and product specific parts information About this manual Important This manual is intended only for trained servicers who are familiar with Lenovo products Use this manual to troubleshoot problems effectively Before servicing a Lenovo product make sure to read all the information under ...

Page 5: ...ervice a Lenovo computer General safety on page 2 Electrical safety on page 3 Safety inspection guide on page 5 Handling devices that are sensitive to electrostatic discharge on page 6 Grounding requirements on page 6 Safety notices multilingual translations on page 7 Laser compliance statement on page 14 Safety information ...

Page 6: ...hem away from all personnel while you are servicing the machine Keep your tool case away from walk areas so that other people will not trip it over Do not wear loose clothing that can be trapped in the moving parts of the machine Make sure that your sleeves are fastened or rolled up above your elbows If your hair is long fasten it Insert the ends of your necktie or scarf inside clothing or fasten ...

Page 7: ... Attention An electrical shock can occur only when there is a complete circuit By observing the above rule you may prevent a current from passing through your body When using testers set the controls correctly and use the approved probe leads and accessories for that tester Stand on suitable rubber mats obtained locally if necessary to insulate you from grounds such as metal floor strips and machi...

Page 8: ...surface of a plastic dental mirror The surface is conductive such touching can cause personal injury and machine damage Do not service the following parts with the power on when they are removed from their normal operating places in a machine Power supply units Pumps Blowers and fans Motor generators and similar units This practice ensures correct grounding of the units If an electrical accident o...

Page 9: ... determine whether there are any potential unsafe conditions use the following checklist at the beginning of every service task Begin the checks with the power off and the power cord disconnected Checklist 1 Check exterior covers for damage loose broken or sharp edges 2 Turn off the computer Disconnect the power cord 3 Check the power cord for a A third wire ground connector in good condition Use ...

Page 10: ...ace The mat is especially useful when handling ESD sensitive devices Select a grounding system such as those listed below to provide protection that meets the specific service requirement Attach the ESD ground clip to any frame ground ground braid or green wire ground When working on a double insulated or battery operated system use an ESD common ground or reference point You can use coax or conne...

Page 11: ... Austausch der Computer wieder angeschlossen wird muß sichergestellt werden daß keine Schrauben Federn oder andere Kleinteile fehlen oder im Gehäuse vergessen wurden Der Computer muß geschüttelt und auf Klappergeräusche geprüft werden Metallteile oder splitter können Kurzschlüsse erzeugen Prima di accendere l elaboratore dopo che é stata effettuata la sostituzione di una FRU accertarsi che tutte l...

Page 12: ...m enthalten Sie darf nicht zerlegt wiederaufgeladen kurzgeschlossen oder Feuer oder Wasser ausgesetzt werden Bei der Entsorgung die örtlichen Bestimmungen für Sondermüll beachten Beim Ersetzen der Bereitschafts oder Systembatterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgeführt ist Der Einsatz falscher Batterien kann zu Entzündung oder Explosion führen Alcune batterie di ris...

Page 13: ...eschlossen oder Feuer oder Wasser ausgesetzt werden Bei der Entsorgung die örtlichen Bestimmungen für Sondermüll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgeführt ist Der Einsatz falscher Batterien kann zu Entzündung oder Explosion führen La batteria contiene piccole quantità di nichel Non smontarla gettarla nel fuoco o nell acqua né cortoci...

Page 14: ...rien dieses Typs dürfen nicht aufgeladen zerlegt über 100 C erhitzt oder verbrannt werden Auch darf ihr Inhalt nicht mit Wasser in Verbindung gebracht oder der zur richtigen Polung angebrachte Verbindungsstecker entfernt werden Bei der Entsorgung die örtlichen Bestimmungen für Sondermüll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgeführt ist ...

Page 15: ...ten Der LCD Bildschirm besteht aus Glas und kann zerbrechen wenn er unsachgemäß behandelt wird oder der Computer auf den Boden fällt Wenn der Bildschirm beschädigt ist und die darin befindliche Flüssigkeit in Kontakt mit Haut und Augen gerät sollten die betroffenen Stellen mindestens 15 Minuten mit Wasser abgespült und bei Beschwerden anschließend ein Arzt aufgesucht werden Nel caso che caso l LCD...

Page 16: ...ounded battery can produce enough current to burn personnel or combustible materials Bien que le voltage des batteries principales soit peu élevé le court circuit ou la mise à la masse d une batterie peut produire suffisamment de courant pour brûler des matériaux combustibles ou causer des brûlures corporelles graves Obwohl Hauptbatterien eine niedrige Spannung haben können sie doch bei Kurzschluß...

Page 17: ...et déconnectez tous les cordons d interface Die Stromzufuhr muß abgeschaltet alle Stromkabel aus der Steckdose gezogen der Akku entfernt und alle Verbindungskabel abgenommen sein bevor eine FRU entfernt wird Prima di rimuovere qualsiasi FRU spegnere il sistema scollegare dalle prese elettriche tutti i cavi di alimentazione rimuovere la batteria e poi scollegare i cavi di interconnessione Antes de ...

Page 18: ...torage device could result in exposure to hazardous laser radiation There are no serviceable parts inside those drives Do not open Laser compliance statement CAUTION Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure O uso de controles ajustes ou desempenho de procedimentos diferentes daqueles aqui especificado...

Page 19: ...luz Rayonnement laser si carter ouvert Évitez de fixer le faisceau de le regarder directement avec des instruments optiques ou de vous exposer au rayon Laserstrahlung bei geöffnetem Gerät Nicht direkt oder über optische Instrumente in den Laserstrahl sehen und den Strahlungsbereich meiden Kinyitáskor lézersugár Ne nézzen bele se szabad szemmel se optikai eszközökkel Kerülje a sugárnyalábbal való é...

Page 20: ... system board is replaced ensure that the latest BIOS is loaded to the system board before completing the service action To download software fixes drivers and BIOS follow the steps below 1 Go to http consumersupport lenovo com 2 Enter a serial number or select a product or use Lenovo smart downloading 3 Select the BIOS Driver Applications and download 4 Follow the directions on the screen and ins...

Page 21: ... one by one to see if the symptoms change Replace only the FRU that changed the symptoms Attention The setup configuration on the computer you are servicing may have been customized Running Automatic Configuration may alter the settings Note the current configuration settings using the View Configuration option then when service has been completed verify that those settings remain in effect Import...

Page 22: ...ects its suppliers to be ready to support Lenovo s requirements and schedule in the EU Products sold in 2005 and 2006 will contain some RoHS compliant FRUs The following statement pertains to these products and any product Lenovo produces containing RoHS compliant FRUs RoHS compliant FRUs have unique FRU part numbers Before or after the RoHS implementation date failed RoHS compliant parts must alw...

Page 23: ...en altered If you select an incorrect drive data or programs might be overwritten Replace an FRU only with another FRU of the correct model When you replace an FRU make sure that the machine model and the FRU part number are correct by referring to the FRU parts list An FRU should not be replaced just because of a single unreproducible failure Single failures can occur for a variety of reasons tha...

Page 24: ... by referring to the following list The following are not covered under warranty LCD panel cracked from the application of excessive force or from being dropped Scratched cosmetic parts Distortion deformation or discoloration of the cosmetic parts Plastic parts latches pins or connectors that have been cracked or broken by excessive force Damage caused by liquid spilled into the system Damage caus...

Page 25: ... problem In the Lenovo computer this problem is addressed with special nylon coated screws that have the following characteristics They maintain tight connections They do not easily come loose even with shock or vibration They are harder to tighten Each one should be used only once Do the following when you service this machine Keep the screw kit in your tool bag Always use new screws Use a torque...

Page 26: ...que screwdriver refer to the Torque column for each step Make sure that you use the correct screws If you have a torque screwdriver tighten all screws firmly to the torque shown in the table Never use a screw that you removed Use a new one Make sure that all screws are tightened firmly Ensure torque screwdrivers are calibrated correctly following country specifications more than 180 Cross section ...

Page 27: ... To put the new FRU in place reverse the removal procedures and follow any of the notes that pertain to replacement For information about connecting and arranging internal cables see Locations on page 35 8 When replacing an FRU use the correct screw as shown in the procedures Attention After replacing an FRU do not turn on the computer until you have made sure that all screws springs and other sma...

Page 28: ...Lenovo TB 8504F Lenovo TB 8504X Hardware Maintenance Manual 24 1010 Card tray Figure 1 Removal steps of card tray Pry up the card tray cover with your nail and pull it gently Pull out the card tray ...

Page 29: ...novo TB 8504X 25 1020 Battery cover For access remove this FRU 1010 Card tray on page 24 Figure 2 Removal steps of battery cover Insert a guitar pick and slide along to release the battery cover Remove the battery cover ...

Page 30: ...or access remove these FRUs in order 1010 Card tray on page 24 1020 Battery cover on page 25 Figure 3 Removal steps of system board frame Remove screws Remove the system board frame Step Screw quantity Color Torque M1 4 2 5 mm Cross head nylok coated 8 Silver 1 5 kgf cm 1 1 1 1 1 1 1 1 1 1 ...

Page 31: ...ery cover on page 25 1030 System board frame on page 26 Figure 4 Removal steps of battery pack and main frame Detach the connector of the battery pack in the direction shown by arrow Insert a flat blade to detach the battery pack DANGER Only use the battery specified in the parts list for your device Any other battery could ignite or explode ...

Page 32: ... battery pack and main frame continued Remove the battery pack from its socket Remove the screws of the main frame Step Screw quantity Color Torque M1 4 2 5 mm Cross head nylok coated 9 Silver 1 5 kgf cm ST1 4 4 0 mm Cross head 10 Black 1 5 kgf cm 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 1 2 ...

Page 33: ...Lenovo TB 8504F Lenovo TB 8504X 29 Figure 4 Removal steps of battery pack and main frame continued Remove the main frame ...

Page 34: ...ss remove these FRUs in order 1010 Card tray on page 24 1020 Battery cover on page 25 1030 System board frame on page 26 1040 Battery pack and main frame on page 27 Figure 5 Removal steps of camera motor and RF cable Detach the front and back camera connectors and then remove the front and back cameras ...

Page 35: ...Lenovo TB 8504F Lenovo TB 8504X 31 Figure 5 Removal steps of camera motor and RF cable continued Pry up the motor Detach the connectors of the RF cable Then remove the RF cable ...

Page 36: ...system board speaker and microphone Detach the connector of the FPC in the direction shown by arrow Important notices for handling the system board When handling the system board bear the following in mind Be careful not to drop the system board on a bench top that has a hard surface such as metal wood or composite Avoid rough handling of any kind In the whole process make sure not to drop or stac...

Page 37: ...o TB 8504X 33 Figure 6 Removal steps of system board speaker and microphone continued Detach the connector of the side key FPC and remove the side key FPC Insert a plastic tweezers to release the microphone from its cavity ...

Page 38: ...ps of system board speaker and microphone continued Remove the screws Lift up and remove the system board speaker and microphone Detach the other connector of the FPC Peel off the FPC with a flat blade Step Screw quantity Color Torque ST1 4 4 0 mm Cross head 2 Black 1 5 kgf cm 1 1 1 1 ...

Page 39: ...odel Version Lenovo TB 8504F WLAN Lenovo TB 8504X WLAN LTE Locations 1 Front camera 2 Speakers 3 Micro USB connector 4 Indicator 5 Volume buttons 6 Power button 7 Touch screen 8 Microphone 9 Rear camera 10 Headset jack 11 Card tray 1 8 2 3 4 5 6 7 3 2 9 10 11 3 ...

Page 40: ...is section presents the following service parts Overall on page 36 Screws on page 38 AC adapters on page 38 Label on page 38 Overall Parts list Note Each FRU is available for all types or models unless specific types or models are specified 1 5 6 7 8 9 10 11 12 2 4 3 ...

Page 41: ...77 CS 5D68C08108 N 5 TB 8504 TP LCM ASSY_BL 50109176 CS 5D68C08109 N 5 TB 8504X SUB Board 67109073 CS 5P68C08270 N 6 CCM F5695AV 5M OV5695 COB 30PIN BtoB SC28C15115 N 6 TB 8504 Front Camera 26402376 CS 5C28C08122 N 7 TB 8504X RF Cable 52705181 CS 5C18C08273 N 8 TB 8504 LCM FPC 66801017 CS 5F78C08119 N 9 TB 8504F MB_2_16G 67101910 CS 5B28C08116 N 9 TB 8504F MB_2_16G _NA 67109074 CS 5B28C08403 N 9 T...

Page 42: ...4 Screw_14_40 46136116 CS 5M88C08133 N FRU FRU no CRU ID AC Adapter C P56 5V 1A UL black SA18C01242 N AC Adapter C P57 5V 1A EU black SA18C01243 N AC Adapter C P58 5V 1A UK black SA18C01244 N AC Adapter C P45 5V 1A BIS logo IN Black SA18C08973 N Adapter 5V 1A AU Black C P59 5A19A464M7 N Adapter 5V 1A AR BLACK C P60 5A19A464M8 N Charger 5V 1A SK BLACK C P61 5A19A464M9 N FRU FRU no CRU ID A708t Seal...

Page 43: ... information could include technical inaccuracies or typographical errors Changes are periodically made to the information herein these changes will be incorporated in new editions of the publication Lenovo may make improvements and or changes in the product s and or the program s described in this publication at any time without notice The products described in this document are not intended for ...

Page 44: ...rs of this document should verify the applicable data for their specific environment The following terms are either registered trademarks or trademarks of Lenovo in the United States and or other countries Lenovo Lenovo logo IdeaPad VeriFace OneKey Rescue OneKey Recovery OneKey Antivirus APS Power Express Energy Management and ReadyComm The following terms are trademarks of Microsoft Corporation i...

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