Lenovo TB3-850F Hardware Maintenance Manual Download Page 44 | Manualshive

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Lenovo TAB3 8 Hardware Maintenance Manual

40

1090 LCD FPC Connector

For

access,

remove

these

FRUs

in

order:

•

•

•

Figure

8.

Removal

steps

of

LCD

FPC

connector

Use

a

pair

of

tweezers

to

separate

the

LCD

FPC

connector.

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Summary of Contents for TB3-850F

Page 1: ...Lenovo TAB3 8 Lenovo TB3 850F Lenovo TB3 850M Hardware Maintenance Manual ...

Page 2: ...eveloped 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 res...

Page 3: ...1 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 TAB3 8 24 FRU replacement notices 25 Screw notices 25 Removing and replacing an FRU 26 1010 Back Cover 27 1020 Battery Pack 29 1030 Wi Fi GPS BT Antenna Framework and Diversity Antenna Framework 32 1040 Rear Camera 35 ...

Page 4: ...ty 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 in...

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: ...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 with t...

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: ...f 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 Cau...

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: ...at 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 outs...

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: ...en 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 cont...

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: ...es 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 Einsa...

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: ...ttery 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 Erd...

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: ...vice 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 re...

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 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 the ...

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: ...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 re...

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: ...ring 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 the...

Page 25: ...he 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 boar...

Page 26: ...gs 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 to check what applications are consuming battery power ...

Page 27: ...ing system To reduce power consumption the computer has two power management modes screen blank and sleep standby 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 deact...

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 50 Parts list on page 51 Lenovo TAB3 8 ...

Page 29: ...or 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 Make sure ...

Page 30: ...ure 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 50 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 othe...

Page 31: ...Lenovo TAB3 8 27 1010 Back Cover Figure 1 Removal steps of back cover First open the T card cover Then use a screwdriver to remove the single screw which holds the rear casing in place ...

Page 32: ...dware Maintenance Manual 28 Figure 1 Removal steps of back cover continued Insert the prying tool into the lower right hand corner of the cover and then slide it around all four sides to remove the front and rear casing ...

Page 33: ...r 1010 Back Cover on page 27 Figure 2 Removal steps of battery pack Use a Phillips screwdriver to remove the 2 screws holding the fastening plate in place DANGER Only use the battery specified in the parts list for your computer Any other battery could ignite or explode ...

Page 34: ...vo TAB3 8 Hardware Maintenance Manual 30 Figure 2 Removal steps of battery pack continued Then use a pair of tweezers to detach the fastening plate from the main board Disconnect the batteryʹs FPC connector ...

Page 35: ...Lenovo TAB3 8 31 Figure 2 Removal steps of battery pack continued Then lift and pull on the removal mylar attached to the battery Take out the battery ...

Page 36: ...teps of the Wi Fi GPS BT antenna framework and diversity antenna framework Use a Phillips screwdriver to remove the 11 screws holding the main board and antenna framework in place Note Three different screw types are used You must remember which screw goes where when re assembling the device Step Screw quantity Color Torque M1 4 2 5 L 3 0 4 Silver 0 7N TB 0 CNL B1 4 3 5 L 4 0 5 Black 0 7N M1 4 2 5...

Page 37: ... TAB3 8 33 Figure 3 Removal steps of the Wi Fi GPS BT antenna framework and diversity antenna framework continued Detach the mylar attached to the LCDʹs connector Remove the Wi Fi GPS and BT antenna framework ...

Page 38: ...Lenovo TAB3 8 Hardware Maintenance Manual 34 Figure 3 Removal steps of the Wi Fi GPS BT antenna framework and diversity antenna framework continued Remove the diversity antenna framework ...

Page 39: ...B3 8 35 1040 Rear Camera For access remove these FRUs in order 1010 Back Cover on page 27 1020 Battery Pack on page 29 Figure 4 Removal steps of rear camera Pull out the rear camera with forceps from its cavity ...

Page 40: ...nual 36 1050 TP FPC For access remove these FRUs in order 1010 Back Cover on page 27 1020 Battery Pack on page 29 Figure 5 Removal steps of TP FPC Use a pair of tweezers to separate the TP FPC from its connector and then remove the TP FPC ...

Page 41: ...B3 8 37 1060 SPK Framework For access remove these FRUs in order 1010 Back Cover on page 27 1020 Battery Pack on page 29 Figure 6 Removal steps of SPK framework Use a pair of tweezers to detach the SPK framework ...

Page 42: ...al 38 1070 Front Camera For access remove these FRUs in order 1010 Back Cover on page 27 1020 Battery Pack on page 29 1060 SPK Framework on page 37 Figure 7 Removal steps of front camera Pull out the front camera with forceps from its cavity ...

Page 43: ...or access remove these FRUs in order 1010 Back Cover on page 27 1020 Battery Pack on page 29 1060 SPK Framework on page 37 Figure 8 Removal steps of RF cable Disconnect the RF cable connector then use the tweezers to remove the cable ...

Page 44: ...1090 LCD FPC Connector For access remove these FRUs in order 1010 Back Cover on page 27 1020 Battery Pack on page 29 1060 SPK Framework on page 37 Figure 8 Removal steps of LCD FPC connector Use a pair of tweezers to separate the LCD FPC connector ...

Page 45: ...0 SideKey For access remove these FRUs in order 1010 Back Cover on page 27 1020 Battery Pack on page 29 1060 SPK Framework on page 37 Figure 10 Removal steps of sidekey Use the tweezers to remove the keyʹs connecting piece ...

Page 46: ...amework and Diversity Antenna Framework on page 32 1040 Rear Camera on page 35 1050 TP FPC on page 36 1060 SPK Framework on page 37 1070 Front Camera on page 38 1080 RF Cable on page 39 1090 LCD FPC Connector on page 40 1100 SideKey on page 41 Figure 11 Removal steps of the main board Detach the main board A soldering iron can be used to detach the SPKʹs framework and the keyʹs FPC ...

Page 47: ...age 32 1040 Rear Camera on page 35 1050 TP FPC on page 36 1060 SPK Framework on page 37 1070 Front Camera on page 38 1080 RF Cable on page 39 1090 LCD FPC Connector on page 40 1100 SideKey on page 41 1110 Main Board on page 42 Figure 12 Removal steps of the Main FPC SPK framework vibrator and Mic First remove the 4 screws holding the SPK framework in place Step Screw quantity Color Torque TB 0 CNL...

Page 48: ...Maintenance Manual 44 Figure 12 Removal steps of the Main FPC SPK framework vibrator and Mic continued Detach the removal mylar from the microphoneʹs soldering board and the main FPC connector Detach the FPC conductive ribbon ...

Page 49: ... 8 45 Figure 12 Removal steps of the Main FPC SPK framework vibrator and Mic continued Disconnect the FPC connector Peel off FPC from the screen Glue has been applied the back of the FPC to attach it to the screen ...

Page 50: ...Lenovo TAB3 8 Hardware Maintenance Manual 46 Figure 12 Removal steps of the Main FPC SPK framework vibrator and Mic continued Use a pair of tweezers to detach the microphoneʹs soldering board ...

Page 51: ...Lenovo TAB3 8 47 Figure 12 Removal steps of the Main FPC SPK framework vibrator and Mic continued Detach the cabling from the components Then tear off the copper foil ...

Page 52: ...aintenance Manual 48 Figure 12 Removal steps of the Main FPC SPK framework vibrator and Mic continued Remove the SPK framework Then use a pair of tweezers to detach the microphone Use the tweezers to detach the vibration motor ...

Page 53: ...steps of the Main FPC SPK framework vibrator and Mic continued Finally detach the main FPC and SPK framework in a complete set Note A soldering iron can be used to detach the vibration motor microphone and SPK framework from the main FPC ...

Page 54: ...Off button Speaker Rear camera Micro USB connector Earphone jack Micro SIM card slot microSD card slot Microphone Notes The WLAN model Lenovo TB3 850F does not have a Micro SIM card slot Model Version Lenovo TB3 850F WLAN Lenovo TB3 850M WLAN LTE Voice Locations 10 11 12 2 6 1 4 5 8 9 7 3 1 2 3 4 5 6 7 8 9 10 11 12 ...

Page 55: ...following service parts Overall on page 52 Adaptor on page 53 USB cable on page 53 Screws on page 54 Label on page 54 Others on page 54 Parts list Notes Each FRU is available for all types or models unless specific types or models are specified ...

Page 56: ...M Assʹy TB3 850M TP LCM ASSY_WH 50109131 CS 5D68C05707 N 3 Mechanical parts TB3 850F Back cover_BL 50117908 CS 5S58C05435 N 3 Mechanical parts TB3 850F Back cover_WH 50117907 CS 5S58C05436 N 3 Mechanical parts TB3 850M Back cover_BL 50117967 CS 5S58C05710 N 3 Mechanical parts TB3 850M Back cover_WH 50117966 CS 5S58C05709 N 4 MB TB3 850F MB_1 16G 67101290 CS 5B28C05439 N 4 MB TB3 850M MB_2 16G 6710...

Page 57: ... 5F78C05712 N 13 FPC TB3 850M Main FPC Assy_WH 66800908 CS 5F78C05711 N 14 Antenna A8 50F Wifi Antenna 46365512 CS 5A38C02073 N 15 Antenna A8 50 GPS_BT_WIFI Antenna 53210505 CS 5A38C02053 N 16 Speaker A8 50F Speaker Ant Box 46366403 CS 5SB8C02074 N 17 Rubber TB3 850M P Sensor rubber 50609331 CS 5MO8C05715 N FRU FRU no CRU ID Charger 5V 1 5A EU BLACK C P63 5A19A464MH N AC Adapter C P63 5V 1 5A EU b...

Page 58: ...42 N TB3 850F KR Rating label 70152632 CS 5L18C05443 N TB3 850F RU Rating label 70152633 CS 5L18C05444 N TB3 850F Rating label 70152635 CS 5L18C05445 N TB3 850M rating label 70152622 CS 5L18C05716 N TB3 850M TW rating label 70152625 CS 5L18C05718 N TB3 850M RU UA rating label 70152634 CS 5L18C05717 N FRU FRU no CRU ID A8 50 LCM CONN mylar 54501967 CS 5D78C02062 N TB3 850 LCM MB CONN mylar 54507138...

Page 59: ... 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 60: ...s 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 in the Uni...

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