Lenovo U31-70 Hardware Maintenance Manual Download Page 77

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Lenovo U31-70

Region

P/N

CRU

ID.

U31-70

BDW

U31-70

HSW

Israel 3PIN
• Longwell LP-41+H03VV-F+LS-18 1m

145000563

●

UL 3PIN
• Longwell LP-30B+SPT-2 18AWG+LS-18 1m

145000562

UK 3PIN
• Longwell LP-61L+H03VV-F+LS-18 1m

145000561

Indian 3PIN
• Longwell LP-67+BIS+LS-18 1m

145000560

Italy 3PIN
• Longwell LP-22+H03VV-F+LS-18 1m

145000559

Korea 3PIN
• Longwell LP-486+KTLH03VV-F+LS-5 1m

145000558

Australia 3PIN
• Longwell LP-23A+LFC-3R+LS-18 1m

145000557

Taiwan3PIN
• Longwell LP-71+VCTF+LS-33 1m

145000556

Japan 3PIN
• Longwell LP-54+VCTF+LS-18 1m

145000555

Africa 3PIN
• Longwell LP-39+H03VV-F+LS-18 1m

145000554

CE 3PIN
• Longwell LP-34A+H03VV-F+LS-18 1m

145000553

CCC 3PIN
• VOLEX RVV 300/500+VAC5S 1m

145000538

UL 3PIN
• Volex SPT-2 +VAC5S 1m

145000537

UK 3PIN
• VOLEX H03VV-F+VAC5S 1m

145000605

Switzerland 3PIN
• VOLEX MP232+H03VV-F+VAC5S 1m

145000524

Italy 3PIN
• VOLEX HO3VV-F+VAC5S 1m

145000535

Denmark 3PIN
• VOLEX H03VV-F+VAC5S 1m

145000534

Korea 3PIN
• VOLEX M2511+KETI IEC+VAC5S 1m

145000533

Australia 3PIN
• VOLEX H03VV-F+VAC5S 1m

145000532

Taiwan3PIN
• VOLEX VCTF+VAC5S 1m

145000531

Japan 3PIN
• VOLEX VAC5S+VCTF+M755 1m

145000530

Argentina 3PIN
• VOLEX H03VV-F+VAC5S 1m

145000528

Table 9. Parts list—power cords (continued)

Summary of Contents for U31-70

Page 1: ...Lenovo U31 70 Hardware Maintenance Manual ...

Page 2: ...ces on page 75 First Edition April 2015 Copyright Lenovo 2015 All rights reserved LIMITED AND RESTRICTED RIGHTS NOTICE If data or software is delivered pursuant a General Services Administration GSA contract use reproduction or disclosure is subject to restrictions set forth in Contract No GS 35F 05925 2015 Lenovo ...

Page 3: ...Restore of factory default 23 Passwords 24 Power on password 24 Hard disk password 24 Administrator password 24 Power management 25 Screen blank state 25 Putting the computer to sleep or shutting it down 25 Putting your computer to sleep 25 Shutting down the computer 25 Lenovo U31 70 26 Specifications 26 Status indicators 28 Hotkeys 29 FRU replacement notices 30 Screw notices 30 Removing and repla...

Page 4: ...uidelines and safety information required for servicing computers The product specific section includes service reference and product specific parts information 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: ...th before you service a Lenovo U31 70 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 ...

Page 6: ...away from all personnel while you are servicing the machine Keep your toolcase away from walk areas so that other people will not trip over it 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 wi...

Page 7: ...x in the off position If you need to work on a machine that has exposed electrical circuits observe the following precautions Ensure that another person familiar with the power off controls is near you Attention Another person must be there to switch off the power if necessary Use only one hand when working with powered on electrical equipment keep the other hand in your pocket or behind your back...

Page 8: ...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 Caution...

Page 9: ...e or missing hardware To 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 connecto...

Page 10: ...eliminate static on your body Prevent the part from touching your clothing Most clothing is insulative and retains a charge even when you are wearing a wrist strap Use the black side of a grounded work mat to provide a static free work surface 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 s...

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: ...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 conteng...

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: ...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 Einsatz ...

Page 15: ...irm 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 si dovesse rompere...

Page 16: ...ry 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 Erdung...

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: ...nce 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 resultar em perigosa exposição à radiação Pour éviter tout risque d exposition au rayon laser respectez les consignes de réglage et d utilisation des commandes ainsi que les procédures décrites Werden ...

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: ...on the customer support site http support lenovo com Strategy for replacing FRUs Before replacing parts Make sure that all software fixes drivers and BIOS downloads are installed before replacing any FRUs listed in this manual After a 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 f...

Page 21: ...onfiguration settings using the View Configuration option then when service has been completed verify that those settings remain in effect Strategy for replacing a hard disk drive Always try to run a low level format before replacing a hard disk drive This will cause all customer data on the hard disk to be lost Make sure that the customer has a current backup of the data before performing this ac...

Page 22: ...e well before the implementation date and expects 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 implementat...

Page 23: ...ence 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 vari...

Page 24: ...ranty 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...

Page 25: ...n check the power cord of the AC adapter for correct continuity and installation If the computer does not charge during operation go to Checking operational charging To check the AC adapter follow the steps below 1 Unplug the AC adapter cable from the computer 2 Measure the output voltage at the plug of the AC adapter cable See the following figure 1 2 Voltage V DC 20 0 Pin 1 2 Note Output voltage...

Page 26: ...til the Power Meter shows that less than 95 of the total power remains under this condition the battery pack can charge to 100 of its capacity This protects the battery pack from being overcharged or from having a shortened life To check your battery move your cursor to the Power Meter icon in the icon tray of the Windows taskbar and wait for a moment but do not click it and the percentage of batt...

Page 27: ...des a hidden partition when it is shipped If you need to restore the system to the point of your first boot up just enter Lenovo OneKey Recovery System and run System Recovery For details of OneKey Recovery System see the User Guide for Lenovo OneKey Recovery system Note This will delete all the new data on the system partition C drive which is not recoverable Make sure to back up your critical da...

Page 28: ... HDPs User HDP for the user Master HDP for the system administrator who can use it to get access to the hard disk drive even if the user has changed the user HDP Attention If the user HDP has been forgotten check whether a master HDP has been set If it has it can be used for access to the hard disk drive If no master HDP is available neither Lenovo nor Lenovo authorized service technicians provide...

Page 29: ...p mode you can quickly wake it to resume use bypassing the startup process To put the computer to sleep do one of the following Close the display panel Press the power button Open the Charms and then select Settings Power Sleep Attention Wait until the power indicator light starts blinking indicating that the computer is in sleep mode before you move your computer Moving your computer while the ha...

Page 30: ...mputer you can do this as follows Open the Control Panel and then select System and Security System Bus architecture 1600 Mhz DDR3L SDRAM PCI Express bus 2 0 Serial ATA 6 GB s USB 3 0 USB 2 0 HDMI 1 4 eDP 1 3 Graphic memory chip Integrated Graphics GT2 Reserved for GT3 Discrete Graphics Integrated Nvidia N16v GM Display 13 3 inch 16 9 1 366 768 pixels HD 1 920 1 080 pixels FHD Standard memory DDR3...

Page 31: ...d 1 000 Mbps Bluetooth wireless Combined in combo card Keyboard 6 row Lenovo Keyboard Touchpad Multi touch type Integrated camera HD Battery 2 cells 35 Wh AC adapter 20 V Discrete Graphics 65 W Integrated Graphics 45 W Pre installed operating system DOS Windows 8 1 10 or similar update in 12 months ...

Page 32: ... quickly amber The battery has less than 5 charge Blinking slowly amber The battery is being charged When the battery charge reaches 20 the blinking color will change to white Blinking slowly white The battery has between 20 and 80 charge and is still charging When the battery reaches 80 charge the light will stop blinking but charging will continue until the battery is fully charged 2 Power statu...

Page 33: ...eases the volume level Closes the currently active window Refreshes the desktop or the currently active window Enables disables the touchpad Enables disables Airplane mode Displays all currently active apps Turns on off the backlight of the LCD screen Toggles the display between the computer and an external device Decreases the display brightness Increases the display brightness ...

Page 34: ...ol bag Carefully remove 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 more than 90 Cross section Logic card to plastic Turn an additional 180 after the screw head touches the surface of the logic card more than 180 Cross section Torque driv...

Page 35: ...arrow in 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 60 8 When replacing an FRU use the correct screw as shown in the procedures DANGER Before removing any FRU turn off the computer unplug all power cords from electrical outlets re...

Page 36: ...1 1 1 1 1 1 1 Step Screw quantity Color Torque 1 M2 6 mm Phillips head nylok coated 10 log low log up log low io board log up log low mb log up log low right side hinge log up log low left side hinge klock bracket log up Black Silver 1 0 1 5 kgf cm Remove the base cover in the directions shown by arrows 2 and 3 2 2 3 ...

Page 37: ...bel b Rating label c Rating label d GML label e KCC label f BIS label g Wlan BT label for Malaysia Indonesia h Wlan BT label for South Africa i Wlan BT label for Israel US CA TW j Wlan BT label for Brazil k Indonesia D side label For some models you also need to apply one or two FCC labels Check the old base cover if it has one or two FCC labels find duplicates of them in the label kit and apply t...

Page 38: ...ess remove this FRU 1010 Base cover on page 32 Figure 2 Removal steps of battery pack Release the speakers cables from the cable guides in the direction shown by arrows 1 1 1 Detach the battery pack connector in the direction shown by arrow 2 remove the screws 3 3 3 3 3 2 Step Screw quantity Color Torque 3 M2 4 mm Phillips head nylok coated 4 battery log up Black 1 0 1 5 kgf cm ...

Page 39: ...35 Lenovo U31 70 Figure 2 Removal steps of battery pack continued Remove the battery pack in the direction shown by arrow 4 4 ...

Page 40: ...bles black white 1 and then remove the screw 2 2 1 1 In step 1 unplug the jacks by using the removal tool antenna RF connector P N 08K7159 or pick up the connectors with your fingers and gently unplug them in the direction shown by the arrows Notes The wireless LAN card has 2 cables in step 1 The wireless LAN card in some models might have 3 cables in step 1 Step Screw quantity Color Torque 2 M2 2...

Page 41: ...N card that has two antenna connectors plug the black cable 1st MAIN into the jack labeled MAIN and the grey cable 2nd AUX into the jack labeled AUX on the card In models with a wireless LAN card that has three antenna connectors plug the black cable 1st MAIN into the jack labeled 1 the grey cable 3rd into the jack labeled 3 and the white cable 2nd AUX into the jack labeled 2 on the card ...

Page 42: ...IMM Release the two latches on both edges of the socket at the same time in the directions shown by arrows 1 and then unplug the DIMM in the direction shown by arrow 2 1 1 2 When installing Insert the notched end of the DIMM into the socket Push the DIMM firmly and pivot it until it snaps into place Make sure that it is firmly fixed in the slot and is difficult to move ...

Page 43: ...ery pack on page 34 Figure 5 Removal steps of speakers Detach the speakers connector in the direction shown by arrow 1 Remove the screws 2 Then remove the speakers 3 2 2 2 2 1 3 3 Step Screw quantity Color Torque 2 M2 2 mm Phillips head nylok coated 4 speaker_l log up speaker_r log up Black 1 0 1 5 kgf cm ...

Page 44: ... hard disk drive is sensitive to physical shock Improper handling can cause damage and permanent loss of data Before removing the drive suggest the customer to backup all the information on it if possible Never remove the drive while the system is operating or in suspend mode Figure 6 Removal steps of hard disk drive Remove the screws 1 1 1 1 1 Step Screw quantity Color Torque 1 M2 4 mm Phillips h...

Page 45: ...the hard disk drive from the slot in the direction shown by arrow 3 2 3 When installing Make sure that the HDD connector is attached firmly Remove the screws 4 and detach the metal frame from the hard disk drive 4 4 4 4 Step Screw quantity Color Torque 4 M3 3 mm Phillips head nylok coated 4 hdd bracket hdd module Silver 1 5 2 0 kgf cm ...

Page 46: ...4 Figure 7 Removal steps of fan assembly and Heat Sink assembly Release the cables from the cable guides in the direction shown by arrows 1 1 1 When installing Route the antenna cables along the cable guides As you route the cables make sure that they are not subjected to any tension Tension could cause the cables to be damaged by the cable guides or a wire to be broken ...

Page 47: ...rection shown by arrow 2 Remove the screws 3 3 3 3 2 Step Screw quantity Color Torque 3 M2 4 mm Phillips head nylok coated 3 fan mb log up fan log up Black 1 0 1 5 kgf cm When installing Make sure that the connector is attached firmly Remove the fan in the direction shown by arrow 4 Be careful not to damage the connector 4 ...

Page 48: ...sembly and Heat Sink assembly continued Remove the screws 5 5 5 5 5 5 Step Screw quantity Color Torque 5 M2 4 mm Phillips head nylok coated 5 cpu thermal module cpu plate vga thermal module MB Black 1 0 1 5 kgf cm Lift the heat sink in the direction shown by arrows 6 6 6 ...

Page 49: ... shown in the figure above Either too much or too little grease application can cause a thermal problem due to imperfect contact with a component Note A new thermal module FRU is shipped with several gaskets When you replace the thermal module you need to stick these gaskets on it For the gaskets location please refer to the following figures For discrete graphics with 3 gaskets For integrated gra...

Page 50: ...an assembly and Heat Sink assembly on page 42 Figure 8 Removal steps of IO board DC in cable Detach the IO board connector in the directions shown by arrows 1 and 2 Remove the screw 3 3 1 2 Step Screw quantity Color Torque 3 M2 2 5 mm Phillips head nylok coated 1 io board log up Silver 1 0 1 5 kgf cm When installing Make sure that the connector is attached firmly ...

Page 51: ... continued Remove the IO board in the direction shown by arrow 4 4 Unplug the DC in cable connector in the directions shown by arrow 5 Then remove the DC in cable in the direction shown by arrow 6 5 6 When installing Make sure that the connector is attached firmly ...

Page 52: ...at or conductive corrugated material For access remove these FRUs in order 1010 Base cover on page 32 1020 Battery pack on page 34 1030 PCI Express Mini Card for wireless LAN on page 36 1050 Speakers on page 39 1060 Hard disk drive on page 40 1070 Fan assembly and Heat Sink assembly on page 42 1080 IO board DC in cable on page 46 Figure 9 Removal steps of system board Disconnect the three connecto...

Page 53: ...oval steps of system board continued Remove the system board in the direction shown by arrow 6 6 Remove the screws 7 7 7 Step Screw quantity Color Torque 7 M2 2 5 mm Phillips head nylok coated 2 RJ45 cover M B Silver 1 0 1 5 kgf cm ...

Page 54: ...shown by arrow 8 8 Note A new system board FRU is shipped with two absorbers When you replace the system board you need to stick these absorbers on it For the absorbers location please refer to the following figures Bottom side of system board Top side of system board Attention The absorber may degrade the WLAN signal quality ...

Page 55: ... 1050 Speakers on page 39 1060 Hard disk drive on page 40 1070 Fan assembly and Heat Sink assembly on page 42 1080 IO board DC in cable on page 46 1090 System board on page 48 Figure 10 Removal steps of upper case Remove the screws 1 1 1 1 1 Step Screw quantity Color Torque 1 M2 5 5 mm Phillips head nylok coated 4 left side hinge log up right side hinge log up Black 1 5 2 0 kgf cm ...

Page 56: ...0 Hardware Maintenance Manual Figure 10 Removal steps of upper case continued Open the hinge in the direction shown by arrows 2 2 2 Remove the upper case from the LCD module in the directions shown by arrow 3 3 ...

Page 57: ...gure 10 Removal steps of upper case continued Remove the screws 4 Then remove the touchpad module 5 4 4 4 4 5 Step Screw quantity Color Torque 4 M2 2 mm Phillips head nylok coated 4 tp bracket log up Black 1 0 1 5 kgf cm ...

Page 58: ...eakers on page 39 1060 Hard disk drive on page 40 1070 Fan assembly and Heat Sink assembly on page 42 1080 IO board DC in cable on page 46 1090 System board on page 48 1100 Upper case on page 51 Figure 11 Removal steps of LCD unit Remove the screw pads 1 then remove the screws 2 2 1 2 1 Step Screw quantity Color Torque 2 M2 3 mm Phillips head nylok coated 2 lcd bezel lcd brk lcd cover Silver 1 0 1...

Page 59: ...irection shown by arrows 3 3 3 3 3 Remove the screws 4 Lift the LCD module slightly 5 Disconnect the connector in the direction shown by arrow 6 Then remove the LCD module 4 4 4 4 5 6 Step Screw quantity Color Torque 4 M2 2 5 mm Phillips head nylok coated 4 lcd panel lcd cover Silver 1 0 1 5 kgf cm ...

Page 60: ...camera connector in the direction shown by arrow 7 7 Remove the LCD cable in the direction shown by arrows 8 8 8 When installing Make sure that the connector is attached firmly and that you do not pinch the antenna cables when you attach the LCD assembly Route the LCD cable along the cable guides ...

Page 61: ... Sink assembly on page 42 1080 IO board DC in cable on page 46 1090 System board on page 48 1100 Upper case on page 51 1110 LCD unit on page 54 Figure 12 Removal steps of integrated camera antenna assembly and LCD hinges Note The integrated camera is stuck on the top center of the LCD cover Remove the integrated camera in the direction shown by arrow 1 1 When installing Stick the integrated camera...

Page 62: ...tinued Peel off the adhesive tape securing the antenna boards release the cables from the cable guide and then remove the antenna assembly in the direction shown by arrows 2 2 2 Remove the screws 3 3 3 3 3 3 3 Step Screw quantity Color Torque 3 M2 6 mm Phillips head nylok coated 6 lcd brk lcd cover Black 1 0 1 5 kgf cm ...

Page 63: ...59 Lenovo U31 70 Figure 12 Removal steps of integrated camera antenna assembly and LCD hinges continued Remove the LCD hinges in the direction shown by arrows 4 4 4 ...

Page 64: ...ons Front view and right side view 1 Integrated camera 2 Built in microphone 3 Computer display 4 Wireless LAN antennas 5 Ventilation slots 6 Touchpad 7 Novo button 8 USB 3 0 port 9 RJ 45 port J HDMI port K Power button 1 2 2 3 5 6 4 7 8 9 10 11 ...

Page 65: ...peakers 2 System status indicators Note For the description of each indicator see Status indicators on page 28 3 Combo audio jack 4 Memory card slot 5 USB 2 0 port 6 AC power adapter jack 7 Kensington mini security slot 8 Louvers 1 1 3 2 4 5 6 7 8 ...

Page 66: ...s on page 71 Screws on page 71 Power cords on page 72 Note Each FRU is available for all types or models unless specific types or models are specified Attention Do not attempt to replace an FRU on your own If an FRU is damaged contact a Lenovo authorized servicer or a marketing representative for replacement or repair Only qualified technicians can inspect or repair this product ...

Page 67: ...63 Lenovo U31 70 Overall 1 3 4 c 6 10 11 13 2 5 a b 7 8 9 12 ...

Page 68: ... Upper Case C U31 70 BKL White FR 5CB0J30977 2 Upper Case C U31 70 BKL White GR 5CB0J30901 2 Upper Case C U31 70 BKL White BZ 5CB0J30979 2 Upper Case C U31 70BKL White DUTCH 5CB0J30903 2 Upper Case C U31 70 BKL White HG 5CB0J30980 2 Upper Case C U31 70 BKL White BE 5CB0J30919 2 Upper Case C U31 70 BKL White ICE 5CB0J30995 2 Upper Case C U31 70 BKL White SA 5CB0J30921 2 Upper Case C U31 70 BKL Whit...

Page 69: ... RU 5CB0J30992 2 Upper Case C U31 70 NBKL White AR 5CB0J30929 2 Upper Case C U31 70 NBKL White HE 5CB0J31002 2 Upper Case C U31 70 NBKL White TH 5CB0J30930 2 Upper Case C U31 70NBKL WhiteINDIA 5CB0J31004 2 Upper Case C U31 70 NBKL White UK 5CB0J30943 2 Upper Case C U31 70 NBKL White IT 5CB0J30946 2 Upper Case C U31 70 NBKL White SP 5CB0J30872 2 Upper Case C U31 70 NBKL White TR 5CB0J30945 2 Upper ...

Page 70: ... Upper Case C U31 70 NBKL Red BE 5CB0J30938 2 Upper Case C U31 70 NBKL Red ICE 5CB0J30869 2 Upper Case C U31 70 NBKL Red SA 5CB0J30941 2 Upper Case C U31 70 NBKL Red SW 5CB0J30868 2 Upper Case C U31 70 NBKL Red BU 5CB0J30940 2 Upper Case C U31 70 NBKL Red CZ SK 5CB0J30870 3 Touchpad syna TM 02334 001 69x104x1 0 5 I2C 73042414 3 Touchpad Elan SA469D 22H1 69x104x1 0 5 I2C 73048465 3 Touchpad KGDFF01...

Page 71: ...K DIS NBKL 5B20J33420 5 MB C U31 70 I3 4005WIN DIS NBKL 5B20J33426 5 MB C U31 70 4005 NOK BKL NGC 5B20J33417 5 MB C U31 70 4005 WIN BKL NGC 5B20J33421 5 MB C U31 70 I3 4005NOK UMA NBKL 5B20J33414 5 MB C U31 70 I3 4005WIN UMA NBKL 5B20J33418 6 Fan C U31 70 5F10J31003 7 Heatsink C U31 70 DIS 5H40J30993 7 Heatsink C U31 70 UMA 5H40J30910 8 WLAN Intel 3160 1x1AC BT PCIE M 2 ROM WLAN SW10A11511 8 WLAN ...

Page 72: ...HDD 16200395 N 12 Hard disk drive MQ01ABF050 6G 7mm 5 4K 500G HDD 16200433 12 Hard disk drive ST500LM000 6G 7mm 500G 8G SSHD 16200391 12 Hard disk drive ST500LM000 7mm 500G 8G for SIT 5H20H24608 12 Hard disk drive WDMN500Mh 2 6G 7mm 1TB H 8G 5400rpm 16200681 13 Lower Case C U31 70 White 5CB0J30951 13 Lower Case C U31 70 Red 5CB0J30909 AC adapter see AC adapters on page 71 ...

Page 73: ...69 Lenovo U31 70 LCD FRUs In Lenovo U31 70 there is following type of LCD 13 3 in HD LED 1 2 3 4 5 6 7 ...

Page 74: ... HD AG S NB 5D10H11004 2 Panel IVO M133NWN1 R4 HD AG S NB 5D10H33278 2 Panel BOE HB133WX1 402 HD AG S LED1 NB LCD 18201050 2 Panel LGD LP133WF2 SPL1 FHD AG S NB 5D10H11579 2 Panel SDC LTN133HL05 401 FHD AG S NB 5D10H30488 3 EDP Cable C U31 70 5C10J30955 4 Antenna C U31 70 5A30J30911 5 Camera C U31 70 5C20J30907 6 Hinge C U31 70 5H50J30904 7 LCD Cover C U31 70 White 5CB0J30867 7 LCD Cover C U31 70 ...

Page 75: ... parentheses are references to the exploded view in Overall on page 63 AC adapters Table 7 Parts list 3 pin AC adapters FRU P N CRU ID U31 70 BDW U31 70 HSW Chicony ADLX45NCC3A 20V2 25A adap CMN 36200610 Liteon ADLX45NLC3A 20V2 25A adap CMN 36200606 Delta ADLX45NDC3A 20V2 25A adap CMN 36200602 Chicony ADLX65NCC3A 20V3 25A adapter CMN 36200611 Liteon ADLX65NLC3A 20V3 25A adapter CMN 36200607 Delta ...

Page 76: ...m 145500006 Taiwan 3PIN lux 0019 VCTF 0 75 3C 0021 1m 145500007 Korea 3PIN lux 0033 H03VV F 0 75 3C 0011 1m 145500008 Italy 3PIN lux 0029 H03VV F 0 75 3C 0011 1m 145500009 South Africa 3PIN lux 0044 H03VV F 0 75 3C 0011 1m 145500010 Brazil 3PIN lux 0034 H03VV F 0 75 3C 0011 1m 145500011 Israel 3PIN lux 0041 H03VV F 0 75 3C 0011 1m 145500012 Switzerland 3PIN lux 0027 H03VV F 0 75 3C 0011 1m 1455000...

Page 77: ...1m 145000555 Africa 3PIN Longwell LP 39 H03VV F LS 18 1m 145000554 CE 3PIN Longwell LP 34A H03VV F LS 18 1m 145000553 CCC 3PIN VOLEX GB10S3 RVV 300 500 VAC5S 1m 145000538 UL 3PIN Volex US15S3 SPT 2 VAC5S 1m 145000537 UK 3PIN VOLEX MP5004 H03VV F VAC5S 1m 145000605 Switzerland 3PIN VOLEX MP232 H03VV F VAC5S 1m 145000524 Italy 3PIN VOLEX IT10S3 HO3VV F VAC5S 1m 145000535 Denmark 3PIN VOLEX MP233D H0...

Page 78: ...azil 3PIN LINETEK LS15 H03VV F LP26A 1m 145000596 Israel 3PIN LINETEK LS15 H03VV F LP 41 1m 145000595 UL 3PIN LINETEK LP 30B SPT 2 LS15 1m 145000594 UK 3PIN LINETEK LP 61L H03VV F LS15 1m 145000593 Indian 3PIN LINETEK PE 361 H05VV F LS15 1m 145000592 Italy 3PIN LINETEK LS15 H03VV F PE 336 1m 145000591 Korea 3PIN LINETEK LS15 H05VV F LP E04A 1m 145000590 Australia 3PIN LINETEK LS15 H03VV F LP 23A 1...

Page 79: ...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 are not inten...

Page 80: ...erally available systems Furthermore some measurements may have been estimated through extrapolation Actual results may vary Users of this document should verify the applicable data for their specific environment Trademarks The following terms are trademarks or registered trademarks of Lenovo in the United States other countries or both Lenovo OneKey Microsoft and Windows are trademarks of Microso...

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