Lenovo TAB 2 A7, Hardware Maintenance Manual

Page 1: ...Lenovo TAB 2 A7 10F Hardware Maintenance Manual ...

Page 2: ... developed 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 r...

Page 3: ... compliant FRUs 18 General checkout 19 What to do first 20 Power system checkout 21 Checking the IdeaTab AC Charger 21 Checking the internal battery status 21 Related service information 23 Security 23 Power management 23 Activating Deactivating the Display 23 Lenovo TAB 2 A7 10F 24 Specifications 24 FRU replacement notices 25 Screw notices 25 Removing and replacing an FRU 26 1010 SD card cover 27...

Page 4: ...afety 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 Safety...

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: ...ay 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 it wit...

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: ...e 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 occurs ...

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: ...e 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 connector o...

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: ...alten 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 riserva c...

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: ...ieses 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 Der Ei...

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: ... 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 oder ...

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: ... 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 especificados pode...

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: ...m 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 install t...

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: ...ts 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 always be...

Page 23: ...ce might have been 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 variet...

Page 24: ...ferring 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 caused by ...

Page 25: ...do the following 1 Disconnect the micro USB cable from the tablet 2 Measure the output voltage across the connector marked B of the micro USB cable Refer to the following figure Note The output voltage across pin 3 of the micro B connector might be different from the one you are servicing 3 If the voltage is not correct replace the micro USB cable 4 If the voltage is acceptable replace the system ...

Page 26: ...ngs icon on Lenovo Launch Zone The Android Settings screen is displayed Touch the application icon from the action bar and then touch Settings The Android Settings screen is displayed 2 Touch About Tablet on the Android Settings screen 3 Touch Status to view the accurate percentage of the remaining battery power You also can touch Battery use to check what applications are consuming battery power ...

Page 27: ...o reduce power consumption the computer has three power management modes screen blank sleep standby and hibernation Activating Deactivating the Display With the display deactivated press the Power button on the tablet to activate the display The display will then illuminate indicating that it has been activated If you do not need to use your tablet temporarily you can press the Power button to dea...

Page 28: ...owing table lists the specifications of the Lenovo TAB 2 A7 10F Table 1 Specifications Feature Description Form Factor Size 189 105 9 3mm Weight Appr 280g System Platform MT8127 Memory 2 GB LCD 7 1 024 600 dpi Integrated Camera 0 3 M on front Battery 3450 mAh Operating System Android Ports Earphone microphone 1 Data Power jack 1 Micro SD card 1 Communication WLAN 802 11 b g n BlueTooth 4 0 GPS Oth...

Page 29: ... use new screws Use a torque screwdriver if you have one Tighten screws as follows Plastic to plastic Turn an additional 90 after the screw head touches the surface of the plastic part Logic card to plastic Turn an additional 180 after the screw head touches the surface of the logic card Torque driver If you have a torque screwdriver refer to the Torque column for each step Make sure that you use ...

Page 30: ...figure 7 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 40 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 o...

Page 31: ...Lenovo TAB 2 A7 10F 27 1010 SD card cover Figure 1 Removal steps of SD card cover Insert a finger to open the SD card cover as shown in the picture Pull out the SD card cover from its cavity ...

Page 32: ...o TAB 2 A7 10F Hardware Maintenance Manual 28 1020 Micro SD card Figure 2 Removal steps of Micro SD card Insert a finger to open the SD card cover as shown in the picture Press the SD card to make it pop up ...

Page 33: ...Lenovo TAB 2 A7 10F 29 Figure 2 Removal steps of Micro SD card continued Pull out the SD card from its slot ...

Page 34: ...Lenovo TAB 2 A7 10F Hardware Maintenance Manual 30 1030 Back cover Figure 3 Removal steps of back cover Insert the guitar pick and slide along to release the back cover Remove the back cover ...

Page 35: ... on page 30 Figure 4 Removal steps of battery pack Peel off the mylar as shown in the picture Insert the guitar pick to disconnect the connector as shown in the picture DANGER Only use the battery specified in the parts list for your computer Any other battery could ignite or explode ...

Page 36: ...Lenovo TAB 2 A7 10F Hardware Maintenance Manual 32 Figure 4 Removal steps of battery pack continued Insert a flat blade to detach the battery pack Remove the battery pack from its socket ...

Page 37: ...nnector 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 stack the system board If you put a system board down make sure to put it only on a padded surfa...

Page 38: ...anual 34 Figure 5 Removal steps of system board continued Peel off the mylar with plastic tweezers Insert the guitar pick to unsnap the connector Release the FPC from the connector with plastic tweezer Peel off the mylar as shown in the picture ...

Page 39: ... 35 Figure 5 Removal steps of system board continued Insert the guitar pick to unsnap the connector Insert the plastic tweezers to release the microphone from its cavity Release the cable of the microphone from its cavity ...

Page 40: ...Figure 5 Removal steps of system board continued Insert the plastic tweezers to release the motor from its cavity Release the cable of the motor from its cavity Remove the three screws Step Screw quantity Color Torque M1 4 3 5 mm 3 Silver 0 7N 1 1 1 1 1 ...

Page 41: ...Lenovo TAB 2 A7 10F 37 Figure 5 Removal steps of system board continued Lift up the system board and remove it as shown in the picture ...

Page 42: ...060 Camera For access remove these FRUs in order 1030 Back cover on page 30 1040 Battery pack on page 31 1050 System board on page 33 Figure 6 Removal steps of camera Peel off the mylar with plastic tweezers Insert the guitar pick to unsnap the connector ...

Page 43: ... access remove these FRUs in order 1030 Back cover on page 30 1040 Battery pack on page 31 1050 System board on page 33 Figure 7 Removal steps of volume key and power key Detach the FPC of the volume key and power key assembly and release it from its cavity ...

Page 44: ...Lenovo TAB 2 A7 10F Hardware Maintenance Manual 40 Earphone jack Micro USB Speaker Front camera MicroSD card slot Microphone Volume key On Off button Locations a g h b c d e f 1 2 c d e f g h ...

Page 45: ...AB 2 A7 10F 41 This section presents the following service parts Overall on page 42 Screws on page 43 Parts list Notes Each FRU is available for all types or models unless specific types or models are specified ...

Page 46: ...0F ROW Camera 120300202 CS 5C28C00183 N 7 A7 10F ROW Speaker 101600113 CS 5SB8C00184 N 8 A7 10F ROW MIC 101600112 CS 5R78C00185 N 9 A7 10F ROW Motor 102000008 CS 5M78C00186 10 A7 10F RoW RearCover ASSY 110200985CS 5S58C00187 11 A7 10F Battery Adhesive 111100551 CS 5D78C00188 11 A7 10F Battery Type 111100579 CS 5D78C00189 11 A7 10F Battery FPC Mylar 111100573 CS 5D78C00190 11 A7 10F Camera Con Type...

Page 47: ...r 5V 1A UK Black C P58 PI 5A19A466QZ N Adaptor charger 5V 1A US BLACK C P56 5A19A464M4 N Adaptor V 1A US Black C P56 PI 5A19A466QX N Adaptor Charger 5V 1A SK BLACK C P61 5A19A464M9 N Adaptor 5V 1A SK Black C P61 PI 5A19A466R2 N Adaptor Charger 5V 1A AR BLACK C P60 5A19A464M8 N Adaptor 5V 1A AR Black C P60 PI 5A19A466R1 N Adaptor Charger 5V 1A AU BLACK C P59 5A19A464M7 N Adaptor 5V 1A AU Black C P5...

Page 48: ...ot apply to you This 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 a...

Page 49: ... 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 in the United States other ...