Lenovo YB1-X91F Hardware Maintenance Manual Download

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YOGA BOOK

with Windows

Lenovo YB1-X91F
Lenovo YB1-X91L

Hardware

Maintenance

Manual

Summary of Contents for YB1-X91F

Page 1: ...YOGA BOOK with Windows Lenovo YB1 X91F Lenovo YB1 X91L 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 re...

Page 3: ...do first 20 Power system checkout 21 Checking the Tab AC Charger 21 Checking the internal battery status 21 Related service information 23 Security 23 Power management 23 Activating Deactivating the Display 23 Lenovo YOGA BOOK with Windows 24 FRU replacement notices 25 Screw notices 25 Removing and replacing an FRU 26 1010 KeyBoard Assembly 27 1020 Battery 29 1030 D cover Hinge Stand 32 1040 A cov...

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 S...

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: ...em 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 i...

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: ...urface 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 oc...

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: ...ce 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 connec...

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: ... 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 rise...

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: ...ien 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 D...

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: ...unded 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: ...orage 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...

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: ... After a main board is replaced ensure that the latest BIOS is loaded to the main board before completing the service action To download software fixes drivers and BIOS follow the steps below 1 Go to http support 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...

Page 21: ...FRUs 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 Im...

Page 22: ...cts 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 alwa...

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: ...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 cause...

Page 25: ...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 main board...

Page 26: ...Settings 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 p...

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: ...4 This chapter presents the following product specific service references and product specific parts information FRU replacement notices on page 25 Removing and replacing an FRU on page 26 Locations on page 53 Parts list on page 54 Lenovo YOGA BOOK with Windows ...

Page 29: ...screws for reuse when replacing FRUs 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 Ma...

Page 30: ...n the 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 53 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...

Page 31: ... 5mm adhesive surface to 60 70 C all the way around for about ten minutes Place suction cups in the position shown in the photo and slowly lift up the secondary display TP Once there is a gap insert the piece for disassembly to 5mm Do this on all four sides to open it up and then lift up the secondary display ...

Page 32: ...PC interface Gently pull the FPC so the main board and the KeyBoard assembly are completely separated Note 1 The power key s FPC can be easily broken in disassembly 2 When open the right side of the motor and the EMR are bonded together Be careful not to break the motor s lead wire 3 The KeyBoard assembly s FPC connector is located on the top left side Remember that slow disassembly is required so...

Page 33: ...screwdriver to remove the black screws from the battery s silver sheeting then remove the sheeting Use tweezers to open the interface between the battery FPC and the main board Step Screw quantity Color Torque M1 4X2 5 1 Black 0 7N DANGER Only use the battery specified in the parts list for your computer Any other battery could ignite or explode 1 ...

Page 34: ...anual 30 Figure 2 Removal steps of battery continued Use a blade to pry open the black cover on either side of the battery and remove the covers Note There is adhesive under the covers When separating be careful not to damage the cover or the components ...

Page 35: ...OOK with Windows 31 Figure 2 Removal steps of battery continued After the covers are completely separated you will see four pieces of blue adhesive Pull out the four pieces of adhesive and gently remove the battery ...

Page 36: ...or access remove these FRUs in order 1010 KeyBoard Assembly on page 27 1020 Battery on page 29 Figure 3 Removal steps of D cover hinge stand Use a screwdriver to remove the 11 screws in the stand and remove the D cover hinge stand Step Screw quantity Color Torque M1 4X2 5 11 Black 0 7N 1 ...

Page 37: ...ly on page 27 1020 Battery on page 29 1030 D cover Hinge Stand on page 32 Figure 4 Removal steps of A cover and hinge Remove the black Mylar and the silver conductive material on the interfaces of the two cables connecting the A cover and the D cover Disconnect the two cable interfaces and gently pull the cable out ...

Page 38: ...al 34 Figure 4 Removal steps of A cover And Hinge continued Use the card pin to remove the card slot Use a screwdriver to remove the 4 black screws on the card slot bracket and remove the USB SD Frame Step Screw quantity Color Torque M1 4X2 5 4 Black 0 7N 1 ...

Page 39: ...er to remove the 9 black screws from the hinge lock on the D cover as well as the 1 black screw from the silver Earphone SUS Frame R Remove the Earphone SUS Frame R Remove the hinge and A cover components from the D cover Step Screw quantity Color Torque M1 4 4 1 9 9 Black 0 7N M1 4 2 5 1 Black 0 7N 1 2 ...

Page 40: ...mbly on page 27 1020 Battery on page 29 1030 D cover Hinge Stand on page 32 1040 A cover and Hinge on page 33 Figure 5 Removal steps of speaker Use a screwdriver to remove the 2 black screws from the silver sheeting and remove the sheeting Remove the transparent yellow Mylar Step Screw quantity Color Torque M1 4 2 5 2 Black 0 7N 1 ...

Page 41: ...Lenovo YOGA BOOK with Windows 37 Figure 5 Removal steps of speaker continued Disconnect the interface between the speakers left and right and the main board ...

Page 42: ...re Maintenance Manual 38 Figure 5 Removal steps of speaker continued Use a screwdriver to remove the black screws from the left and right speaker boxes then remove the speaker boxes Step Screw quantity Color Torque M1 4 2 5 4 Black 0 7N 1 ...

Page 43: ... Battery on page 29 1030 D cover Hinge Stand on page 32 1040 A cover and Hinge on page 33 1050 Speaker on page 36 Figure 6 Removal steps of USB FPC Remove the black Mylar on the interface of the USB FPC and the main board Then disconnect the interface between the FPC and the main board and pull the FPC out of the interface ...

Page 44: ...anual 40 Figure 6 Removal steps of USB FPC continued Use a blade to scratch the glue off the FPC reinforcement and the side wall of the housing Then remove the entire component Note Be careful not to damage the FPC component when scratching off the glue ...

Page 45: ...eyBoard Assembly on page 27 1020 Battery on page 29 Figure 7 Removal steps of sub board Use a screwdriver to remove the 11 silver screws from the DIV WIFI1 GPS ANT Stand and the WIFI2 Main ANT Stand Then remove these two ANT Stands Step Screw quantity Color Torque M1 4 2 5 1 7 11 Silver 0 7N 1 ...

Page 46: ...e cable heads from the interfaces of the 4 sub boards and slowly guide the cables out the narrow cable pathways Be careful not to damage the cables Disconnect the ANT FPC and MAIN SB interface pulling the FPC out of the interface Use a screwdriver to remove the silver screws of the 4 sub boards and respectively dismantle the 4 sub boards ...

Page 47: ...Lenovo YOGA BOOK with Windows 43 Figure 7 Removal steps of sub board continued Step Screw quantity Color Torque D4 0 M1 4 1 60 6 Silver 0 7N 1 ...

Page 48: ...ss remove these FRUs in order 1010 KeyBoard Assembly on page 27 1020 Battery on page 29 1050 Speaker on page 36 Figure 8 Removal steps of camera Use tweezers to disconnect the FPC and main board interface of the camera Pull the FPC from the interface and remove the camera component ...

Page 49: ...y on page 27 1020 Battery on page 29 1050 Speaker on page 36 Figure 9 Removal steps of EP FPC Use tweezers to disconnect the EP FPC and motherboard interface Gently pry out the headphone jack component Then grip the component gently and pull Pull the FPC from the interface and the component can be removed ...

Page 50: ...e these FRUs in order 1010 KeyBoard Assembly on page 27 1020 Battery on page 29 1050 Speaker on page 36 Figure 10 Removal steps of SK FPC Use tweezers to disconnect the SK FPC and main board interface Pull the FPC from the interface Use tweezers to pull the silver key piece out of the slot ...

Page 51: ...Lenovo YOGA BOOK with Windows 47 Figure 10 Removal steps of SK FPC comtinued Use tweezers to remove the black volume key ...

Page 52: ...0 PWRK FPC For access remove these FRUs in order 1010 KeyBoard Assembly on page 27 1020 Battery on page 29 1050 Speaker on page 36 Figure 11 Removal steps of PWRK FPC Use tweezers to gently lift out the left and right motors Use tweezers to peel off the black Mylar ...

Page 53: ...h Windows 49 Figure 11 Removal steps of PWRK FPC continued Disconnect the PWRK FPC and main board interface Gently pull out the FPC from the interface Use tweezers to pull the power key s silver metal button from its slot ...

Page 54: ...Lenovo YOGA BOOK with Windows Hardware Maintenance Manual 50 Figure 11 Removal steps of PWRK FPC continued Use tweezers to remove the black power key ...

Page 55: ...FPC on page 48 Figure 12 Removal steps of main board Disconnect the ANT FPC and main board interface Pull the FPC from the interface Important notices for handling the main board When handling the main board bear the following in mind Be careful not to drop the main 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 ma...

Page 56: ...d the black screw on the silver sheeting Remove the metallic silver sheeting covering the cables Remove the main board from the assembly Note A soldering iron can be used to detach the vibration motors from the main board Disconnect the cable connecter on the main board to remove the cables Step Screw quantity Color Torque D4 0 M1 4 1 60 2 Silver 0 7N M1 4 2 5 1 Black 0 7N 1 2 ...

Page 57: ...ns Headset jack Micro USB connector Indicator Card tray Micro HDMI connector Notes The WLAN model Lenovo YB1 X91F does not have a Nano SIM card slot Your keyboard layout may be different depending on your location and language Model Version Lenovo YB1 X91F WLAN Lenovo YB1 X91L WLAN LTE Locations 1 1 2 3 4 5 6 7 8 9 10 11 9 12 1415 13 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ...

Page 58: ...section presents the following service parts Overall on page 55 AC Adapter on page 58 USB Cable on page 58 Screw on page 58 Label on page 58 Others on page 59 Parts list Notes Each FRU is available for all types or models unless specific types or models are specified ...

Page 59: ...Lenovo YOGA BOOK with Windows 55 Overall 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 24 25 26 27 28 29 30 31 32 35 36 33 34 23 ...

Page 60: ...SD68C06441 N 5 TP Yeti KB_AVC_fr_FR_WACOM_W AP101662 SD68C10615 N 5 TP Yeti KB_AVC_Greek_WACOM_W AP101669 SD68C10622 N 5 TP Yeti KB_AVC_Slovenian_WACOM_W AP101671 SD68C10624 N 5 TP Yeti KB_AVC_de_CH_WACOM_W AP101673 SD68C10626 N 5 TP Yeti KB_AVC_fr_BE_WACOM_W AP101676 SD68C10629 N 5 TP Yeti KB_AVC_zh_TW_WACOM_W AP101682 SD68C10635 N 5 TP Yeti KB_AVC_es_ES_WACOM_W AP101672 SD68C10625 N 5 TP Yeti KB...

Page 61: ...A6N1SD N 22 Metal Yeti SIM TRAY FOR WIFI MIM BLK SM88C05712 N 22 Metal Yeti SIM TRAY MIM BLACK SM88C04777 N 23 Vibrator VIB ELV1030A W15 F1 205Hz L83 5mm AAC SM78C04933 N 24 Vibrator VIB_R ELV1030A W16 F1 205Hz L71mm AAC SM78C05043 N 25 Cable Yeti WIFI1 cable 20V RF 0 81L 50 SC18C04775 N 26 Cable Yeti GPS cable 20V Cu SC18C04774 N 27 Cable Yeti Main cable 20V RF 0 81L 50 SC18C04772 N 28 Cable Yeti...

Page 62: ...RU ID MicroUSB CD 22 1M 2A Black 783015 SC18C07995 N MicroUSB CD 22 1M 2A Black 783015 SC18C07996 N FRU FRU no CRU ID Yeti Screw M1 4 2 5 1 7 Ni NYLOK SM88C04693 N Screw Crosshead D4 0 M1 4 1 60 5M89A6N02R N Yeti Screw M1 4 4 1 9 NYLOK SM88C04694 N i380 Screw M1 4X2 5 NYLOK 5M89A31580 N FRU FRU no CRU ID Lenovo YB1 X91F rating label_KR SL18C09233 N Lenovo YB1 X91F rating label_PH IN SL18C09234 N L...

Page 63: ... 8 SD78C04710 N Yeti PCB FILM 3M7412B 51 4 22 14 SD78C06489 N Yeti 8pin ZIF Film 6 12 SD78C04709 N Yeti film EMR R 109 5 14 5 0 6mm SD78C05710 N Yeti foam conn spk 8 14 1 45 SD78C06445 N Yeti film EMR L 103 5 37 0 6mm SD78C05709 N Yeti bat glue tesa 67210 78 16 SD78C04981 N Lenovo Pad Sealing Label 144002025 N Yeti_EMR_PEN_wCap__AVC 210114400013 ST58C10337 N ...

Page 64: ...may not 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 docum...

Page 65: ... 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 ...

Page 66: ...Lenovo YOGA BOOK with Windows Hardware Maintenance Manual 62 ...

Page 67: ...Notices 63 ...

Page 68: ...Lenovo YOGA BOOK with Windows Hardware Maintenance Manual 64 ...

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