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Lenovo B71-80 Hardware Maintenance Manual

58

Applying labels to the base cover

The new base cover FRU is shipped with a kit containing labels of several kinds.
Apply those labels when you replace the base cover. For labels which are not
shipped with the new base cover, peel them from the replaced base cover and
adhere them to the new one.

Note: If the Certificate of Authenticity (COA) label (b) is attached to a replaced
part, return the replaced part to the customer, or provide a letter to the customer
stating the original label part number, serial number, and product key.

The following letter shows the correct location of each label. Not all labels are
attached on the part you are servicing.

WL/BT Label
KCC Label or BIS Label
Indonesia label
Rating label (66 × 24mm)
Rating label for print (43 × 24 mm)
OS label

a

b

d

e

c

f

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Summary of Contents for B71-80

Page 1: ...Lenovo B71 80 Hardware Maintenance Manual ...

Page 2: ...es on page 81 First Edition October 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: ...ery 24 Restore of factory default 24 Passwords 24 Power on password 24 Hard disk password 25 Supervisor password 25 Power management 26 Screen blank state 26 Putting your computer to sleep 26 Shutting down the computer 27 Lenovo B71 80 28 Specifications 28 Status indicators 30 Fn key combinations Hotkeys 31 FRU replacement notices 32 Screw notices 32 Removing and replacing an FRU 33 1010 Hard disk...

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: ...ll personnel while you are servicing the machine Keep your toolcase 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 the nonc...

Page 7: ...ttention 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 machine...

Page 8: ...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 Use c...

Page 9: ...rmine 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 a met...

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: ...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: ...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: ...d 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 follow the steps below 1 Go to http support lenovo com 2 Enter the serial number or select a product or use Lenovo smart downloading 3 Select the BIOS Driver Applications and download 4 Follow the directions on ...

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: ...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: ...computer fails only when the AC adapter is used If the power on indicator does not turn on 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...

Page 26: ...pack If it is still not charged go to the next section Checking the battery pack Battery charging does not start until 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 Mete...

Page 27: ...omputer Supplemental Recovery Disc This disc contains additional content such as software for specific models and updates to the software that was preloaded on the computer Not all recovery disc sets come with a Supplemental Recovery Disc To restore the computer to the original factory configuration using the recovery disc set do the following 1 Insert the bootable Start Recovery Disc into the opt...

Page 28: ...computer the power on password POP the hard disk password HDP and the supervisor password SVP If any of these passwords has been set a prompt for it appears on the screen whenever the computer is turned on The computer does not start until the password is entered Exception If only an SVP is installed the password prompt does not appear when the operating system is booted Power on password A power ...

Page 29: ... Lenovo nor Lenovo authorized service technicians provide any services to reset either the user or the master HDP or to recover data from the hard disk drive The hard disk drive can be replaced for a scheduled fee Supervisor password A supervisor password SVP protects the system information stored in the BIOS Setup Utility The user must enter the SVP in order to get access to the BIOS Setup Utilit...

Page 30: ...uter for only a short time put the computer to sleep When the computer is in sleep 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 lid Press the Power button Do the proper operations in the operating system Windows 7 Click Start Sleep Windows 10 Open the start menu and then select Power Sleep Note Wait ...

Page 31: ...e your computer for a long time shut it down To shut down the computer do one of the following Windows 7 Click Start Shut down Windows 10 Open the start menu and then select Power Shut down Right click the Start button in the lower left corner and select Shut down or sign out Shut down ...

Page 32: ...Lenovo B71 80 Table 1 Specifications Form Factor Dimensions Appr 418 mm 292 6 mm 25 1 mm Weight Appr 3 0 kg LCD size 17 3 inch Processor See the system properties of your computer You can do this as follows Windows 10 Click Start right click File Explorer and then click Properties Windows 7 Click Start right click Computer then from the pull down menu select Properties Memory Type and speed DDR3L ...

Page 33: ... 1 Audio Combo audio jack 1 Communication RJ 45 1 Video Audio HDMI slot 1 Video VGA 1 Memory card slot 4 in 1 slot 1 SD SDHC SDXC MMC Battery pack Type Li Cylinder battery Cells Capacity 4 cells 41 Wh AC power adapter Input 100 240 V 50 60 Hz Output voltage 20 V DC Power 45 W 65 W Miscellaneous Camera 0 3 Mega HD Security Kensington slot 1 Table 1 Specifications continued ...

Page 34: ...he battery has less than 5 charge Slow blinking amber The battery is being charged When battery charge reaches 20 the blinking color changes to white Slow blinking 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 Power status indicator On solid white The...

Page 35: ...Disable the scroll lock Fn PgDn Activate the system request Mutes unmutes the sound Enables disables airplane mode Decreases the volume level Displays all currently active apps Increases the volume level Turns on off the backlight of the LCD screen Closes the currently active window Toggles the display between the computer and an external device Refreshes the desktop or the currently active window...

Page 36: ...emove screws carefully for reuse 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 s...

Page 37: ... replacing an FRU use the correct screw as shown in the procedures Attention After replacing an FRU do not turn on the computer until you have made sure that all screws springs and other small parts are in place and none are loose inside the computer Verify this by shaking the computer gently and listening for rattling sounds Metallic parts or metal flakes can cause electrical short circuits Atten...

Page 38: ...lot compartment cover Figure 1 Removal steps of HDD Memory Mini PCI Express Card slot compartment cover Loosen the screws that secure the compartment cover Remove the compartment cover Step Screw quantity Color Torque PN M2 5 7 mm Phillips head nylok coated 2 Black 3 0 0 3 kgfcm 5S10K61894 a b b a a a ...

Page 39: ...ty Color Torque M2 6mm Phillips head nylok coated 4 Black 1 85 0 15 kgfcm Attention Do not drop the hard disk drive or apply any physical shock to it The hard disk drive is sensitive to physical shock Improper handling can cause damages 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 i...

Page 40: ... Take out the hard disk drive secured in a metal frame in the direction shown by arrow Remove the screws Take out the hard disk drive secured in a metal frame When installing Make sure that the HDD connector is attached firmly Step Screw quantity Color Torque PN M3 0 3 mm Phillips head nylok coated 4 Silver 3 0 0 3 kgfcm 90204955 b c c b d d e e e e e e ...

Page 41: ... Removal steps of DIMM Release the two latches on both edges of the socket at the same time in the directions shown by arrows and then unplug the DIMM in the direction shown by arrow When installing Insert the notched end of the DIMM into the socket Push the DIMM firmly and pivot it until it snaps into the place Make sure that it is firmly fixed in the slot and difficult to be moved a b b a a ...

Page 42: ... step 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 arrows Notes wireless LAN card has 2 cables in step wireless LAN card in some models may have 3 cables in step Step Screw quantity Color Torque PN M2 3 0mm Phillips head nylok coated 1 Black 1 85 0 15 kgfcm 90001118 Important...

Page 43: ...ess LAN card that has two antenna connectors plug the black cable 1st MAIN into the jack labeled 1 and the white cable 2nd AUX into jack labeled 2 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 jack labeled 3 and the white cable 2nd AUX into jack labeled 2 on the card c c ...

Page 44: ...i PCI Express Card slot compartment cover on page 34 1020 Hard disk drive on page 35 1030 DIMM on page 37 1040 PCI Express Mini Card for wireless LAN WAN on page 38 Figure 5 Removal steps of keyboard Remove the screws Step Screw quantity Color Torque PN M2 0 6 mm Phillips head nylok coated 3 Black 1 85 0 15 kgfcm 90205118 a a a a a ...

Page 45: ...s shown by the arrows and then lift it up in the direction shown by arrow Pull the keyboard connector slot cover upward as shown by arrow detach the keyboard cable from the keyboard connector in the direction shown by arrow When installing Make sure that the FPC connector is attached firmly b c b b c d e e d ...

Page 46: ...MM on page 37 1040 PCI Express Mini Card for wireless LAN WAN on page 38 1050 Keyboard on page 40 Figure 6 Removal steps of optical drive Remove the screw Insert a screwdriver into the screw hole and push the optical drive in the direction shown by arrow Pull the optical drive out in the direction shown by arrow Step Screw quantity Color Torque PN M2 6 mm Phillips head nylokcoated 1 Black 1 85 0 1...

Page 47: ...e 34 1020 Hard disk drive on page 35 1030 DIMM on page 37 1040 PCI Express Mini Card for wireless LAN WAN on page 38 1050 Keyboard on page 40 1060 Optical drive on page 42 Figure 7 Removal steps of keyboard bezel Remove screws Step Screw quantity Color Torque PN M2x6mm Phillips head nylok coated 12 Black 1 85 0 15 kgf cm 90205118 a a a a a a a a a a a a a a ...

Page 48: ...rd as shown by arrows and detach the touch pad board cable LED board cable and power button cable from the touch pad board connector LED board connector and power button connector in the direction shown by arrows When installing Make sure that the FPC connectors are attached firmly Step Screw quantity Color Torque M2 6 mm Phillips head nylokcoated 1 Black 1 85 0 15 kgfcm b b b c d d c d c d c ...

Page 49: ...Lenovo B71 80 45 Figure 7 Removal steps of keyboard bezel continued Remove the keyboard bezel in the direction shown by arrow e e ...

Page 50: ...n page 40 1060 Optical drive on page 42 1070 Keyboard bezel on page 43 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...

Page 51: ...steps of system board Remove screws and screw Step Screw quantity Color Torque PN M2 3 mm Phillips head nylok coated 4 M2 6 mm Phillips head nylok coated 1 Black Black 1 85 0 15 kgfcm 1 85 0 15 kgfcm 90001118 90205118 a b a a a a b a b ...

Page 52: ...cable connector in the direction shown by arrow detach USB board connector in the direction shownbyarrow ODDtransfer boardconnectorinthedirectionshown by arrow disconnect LCD connector in the direction shown by arrow battery connector in the direction shown by arrow When installing Make sure that all the connectors are attached firmly c f d e g h d e c g h f ...

Page 53: ...he direction shown by arrow When installing When attaching the system board to the base cover adjust the placement of the USB HDMI RJ 45 ports as shown in and make sure that they are attached to the holes on the base cover as shown Improper placement of those jacks might cause a damage i i a b c ...

Page 54: ...ss LAN WAN on page 38 1050 Keyboard on page 40 1060 Optical drive on page 42 1070 Keyboard bezel on page 43 1080 System board on page 46 Figure 9 Removal steps of fan assembly and heat sink assembly Unplugthefanconnectorinthedirection shownbyarrow andloosenscrews to lift the fan assembly When installing Make sure that the fan connector is attached firmly to the system board Step Screw quantity Col...

Page 55: ...e 37 1040 PCI Express Mini Card for wireless LAN WAN on page 38 1050 Keyboard on page 40 1060 Optical drive on page 42 1070 Keyboard bezel on page 43 1080 System board on page 46 1090 Fan assembly and Heat Sink assembly on page 50 Figure 10 Removal steps of LCD unit Remove the four screws Step Screw quantity Color Torque PN M2 5 5 mm Phillips head nylok coated 4 Silver 3 0 0 3 kgfcm 90202001 a a a...

Page 56: ...s 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 Make sure that the LCD connector is attached firmly and make sure that you do not pinch the antenna cables when you attach the LCD assembly Route the LCD cable along the cable guides ...

Page 57: ...1060 Optical drive on page 42 1070 Keyboard bezel on page 43 1080 System board on page 46 1090 Fan assembly and Heat Sink assembly on page 50 1100 LCD unit on page 51 Figure 11 Removal steps of battery pack Remove the screws Remove the battery pack in the direction shown by arrow Step Screw quantity Color Torque M2 6 mm Phillips head nylok coated 2 Black 1 85 0 15 kgfcm DANGER Only use the battery...

Page 58: ...sk drive on page 35 1030 DIMM on page 37 1040 PCI Express Mini Card for wireless LAN WAN on page 38 1050 Keyboard on page 40 1060 Optical drive on page 42 1070 Keyboard bezel on page 43 1080 System board on page 46 1090 Fan assembly and Heat Sink assembly on page 50 1100 LCD unit on page 51 1110 Battery pack on page 53 Figure 12 Speakers base cover IO board DC IN cable power board and ODD transfer...

Page 59: ...ke sure that the power connector is attached firmly Remove the screw Pull the IO board connector slot cover upward as shown by arrow detach the IO board cable from the keyboard connector in the direction shown by arrow Remove the IO board in the direction shown by arrow Step Screw quantity Color Torque PN M2 0 3 mm Phillips head nylok coated 1 Black 1 85 0 15 kgfcm 90001118 b c d e f c ...

Page 60: ...he screw lift the power board in the direction shown by arrow Remove screws lift the LED board in the direction shown by arrow Step Screw quantity Color Torque PN M2 0 3 mm Phillips head nylok coated 1 Black 1 85 0 15 kgfcm 90001118 Step Screw quantity Color Torque PN M2 0 3 mm Phillips head nylok coated 2 Black 1 85 0 15 kgfcm 90001118 g h g i j i ...

Page 61: ...O board DC IN cable power board and ODD transfer board continued Remove the screw to lift the ODD transfer board in the direction shown by arrow Step Screw quantity Color Torque PN M2 0 3 mm Phillips head nylok coated 1 Black 1 85 0 15 kgfcm 90001118 ...

Page 62: ...r and adhere them to the new one Note If the Certificate of Authenticity COA label b is attached to a replaced part return the replaced part to the customer or provide a letter to the customer stating the original label part number serial number and product key The following letter shows the correct location of each label Not all labels are attached on the part you are servicing WL BT Label KCC La...

Page 63: ... wireless LAN WAN on page 38 1050 Keyboard on page 40 1060 Optical drive on page 42 1070 Keyboard bezel on page 43 1080 System board on page 46 1090 Fan assembly and Heat Sink assembly on page 50 1100 LCD unit on page 51 1110 Battery pack on page 53 1120 Speakers base cover IO board DC IN cable power board and ODD transfer board on page 54 Figure 13 Removal steps of LCD front bezel Remove the LCD ...

Page 64: ...50 Keyboard on page 40 1060 Optical drive on page 42 1070 Keyboard bezel on page 43 1080 System board on page 46 1090 Fan assembly and Heat Sink assembly on page 50 1100 LCD unit on page 51 1110 Battery pack on page 53 1120 Speakers base cover IO board DC IN cable power board and ODD transfer board on page 54 1130 LCD front bezel on page 59 Figure 14 LCD panel and LCD cable Remove four screws Step...

Page 65: ...D panel and LCD cable continued Turn over the LCD module in the direction as shown by arrow Disconnect the connector by arrow to remove the LCD panel When installing Make sure that the LCD panel connector is attached firmly b c b c ...

Page 66: ...1070 Keyboard bezel on page 43 1080 System board on page 46 1090 Fan assembly and Heat Sink assembly on page 50 1100 LCD unit on page 51 1110 Battery pack on page 53 1120 Speakers base cover IO board DC IN cable power board and ODD transfer board on page 54 1130 LCD front bezel on page 59 1140 LCD panel and LCD cable on page 60 Figure 15 Removal steps of hinges Remove screws Remove the hinges in t...

Page 67: ...LCD unit on page 51 1110 Battery pack on page 53 1120 Speakers base cover IO board DC IN cable power board and ODD transfer board on page 54 1130 LCD front bezel on page 59 1140 LCD panel and LCD cable on page 60 1150 LCD hinges on page 62 Figure 16 Removal steps of integrated camera Note The integrated camera is stuck on the top center of the LCD cover Unplug the connector in the direction shown ...

Page 68: ...e 53 1120 Speakers base cover IO board DC IN cable power board and ODD transfer board on page 54 1130 LCD front bezel on page 59 1140 LCD panel and LCD cable on page 60 1150 LCD hinges on page 62 1160 Integrated camera on page 63 Figure 17 Removal steps of antenna assembly and LCD cover Peel off the adhesive tape securing the antenna boards release the cables from the cable guide and then remove t...

Page 69: ... Front view Built in microphone Integrated camera Wireless LAN antennas Computer display Power button Caps lock indicator Touch pad Numeric keypad System status indicators Locations a b c d e f g h i a b g i f c d e h ...

Page 70: ...re Maintenance Manual 66 Bottom and Left side view AC power adapter jack Novo button Ventilation slots VGA port RJ 45 port HDMI port USB 3 0 port Memory card slot Speakers Louvers a b c d e f g h i j a b c d e f g h i i j ...

Page 71: ...Lenovo B71 80 67 Right side view Combo audio jack USB 2 0 ports Optical drive Kensington slot a b c d b a d c ...

Page 72: ...n page 77 AC adapters on page 77 Power cords on page 78 Parts list Notes 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 73: ...Lenovo B71 80 69 Overall 4 5 e 6 7 8 9 3 2 1 16 18 17 15 14 13 c d f a b 12 11 10 ...

Page 74: ...B20K81164 N 3 MB 3855U_UMA BLK 5B20K81166 N 3 MB 4405U_V1G BLK 5B20K81180 N 3 MB 4405U_V2G BLK 5B20K81159 N 3 MB 4405U_UMA BLK 5B20K81171 N 3 MB I3 6100U_V1G BLK 5B20K81170 N 3 MB I3 6100U_V2G BLK 5B20K81179 N 3 MB I3 6100U_UMA BLK 5B20K81152 N 3 MB I5 6200U_V1G BLK 5B20K81162 N 3 MB I5 6200U_V2G BLK 5B20K81175 N 3 MB I5 6200U_UMA BLK 5B20K81177 N 3 MB I7 6500U_V1G BLK 5B20K81160 N 3 MB I7 6500U_V...

Page 75: ...LM024 6G 9 5mm 5 4K 1T HDD 16200385 14 HDD WD10JPCX 24UE4T0 6G 9 5mm 5 4K 1T HDD 16200393 14 HDD TSB MQ01ABD100 6G 9 5mm 5 4K 1T HDD 16200429 14 HDD HTS541010A9E660 6G 9 5mm 5 4K 1T HDD 16200400 14 HDD ST500LM000 7mm 500G 8G 5H20H24608 14 HDD Toshiba MQ02ABF050H 7mm 5 4k 500GB 8GB SSHD 5H20H12631 14 HDD ST1000LM014 9 5mm 1T 8G 5H20H24607 14 HDD Toshiba MQ02ABD100H 9 5mm 5 4k 1TB 8GB SSHD 5H20H1263...

Page 76: ...Lenovo B71 80 Hardware Maintenance Manual 72 LCD FRUs In Lenovo B71 80 there are following types of LCDs 17 3 in HD LED 3 5 4 2 1 ...

Page 77: ...EL 5CB0K78781 N 2 panel AU B173RTN02 1 1A HD T AG F NB 5D10J46203 N 2 panel SD LTN173KT04 401 HD T AG F NB 5D10J46204 N 2 panel BO NT173WDM N21 HD T AG F NB 5D10J46202 N 3 CAMERA 0 3M 5C20K27045 N 3 CAMERA HD 5C20K27042 N 4 HINGE L R 5H50K61907 N 5 LCD COVER ASSY 5CB0K78779 N ...

Page 78: ...n 25214738 Arabic 25214739 Brazilian 25214740 Dutch 25214742 Greek 25214743 Hebrew 25214744 Hungarian 25214745 Four Nordic countries 25214746 Belgian 25214747 Icelandic 25214748 Slovenian 25214749 Swiss 25214750 International English 25214751 Czechoslovakian 25214752 Bulgarian 25214753 Indian 25214754 French Arabic 5N20G90531 Sunrex English 25214755 U K English 25214756 Italian 25214757 Spanish 25...

Page 79: ...arfon English 25214785 U K English 25214786 Italian 25214787 Spanish 25214788 Turkish 25214789 Thai 25214790 Portuguese 25214791 Latin 25214792 Canadian English French 25214793 Korean 25214794 Traditional Chinese 25214795 Russian 25214796 French 25214797 German 25214798 Arabic 25214799 Brazilian 25214800 Japanese 25214801 Dutch 25214802 Greek 25214803 Hebrew 25214804 Hungarian 25214805 Four Nordic...

Page 80: ...Lenovo B71 80 Hardware Maintenance Manual 76 Darfon Czechoslovakian 25214812 Bulgarian 25214813 Indian 25214814 French Arabic 5N20G90518 Table 7 Parts list Keyboard continued Language P N CRU ID ...

Page 81: ...5B40K14016 5T10K14056 5C10K61876 5C10K61865 N N N N N N FRU P N CRU ID SCREW M M 2 0D 4L K 5 0D NI NL 5S10K61879 N SCREW M M 2 5D 4L K 4 5D 0 8T BNI NL 5S10K61904 N SCREW M M 2 5D 7 0L K 4 5D 0 8T ZK NL 5S10K61894 N SCREW 2D 3L K 4 5D ZK NL CR3 0 4T 90001118 N SCREW MM 2D 6LK 4 6D 0 8T ZK 90205118 N SCREW M M 3 0D 3 0L K 4 0D 0 4T 90204955 N SCREW M M 2 5D 5 0L K 4 6D NI NL 90202001 N FRU P N CRU ...

Page 82: ...5 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 1m 145000589 Taiwan3PIN LINETEK LS15 VCTF LP 53 1m 145000588 Japan 3PIN LINETEK LS15 VCTF LP 54 1m 145000587 Africa 3PIN LINETEK LS15 H03VV F PE 364 1m 145000586 CE 3PIN LINETEK LP 34 ...

Page 83: ...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 H03VV F VAC5S 1m 145000534 Korea 3PIN VOLEX M2511 KETI IEC VAC5S 1m 145000533 Australia 3PIN VOLEX AU10S3 H03VV F VAC5S 1m 145000532 Taiwan 3PIN VOLEX TW15CS3 VCTF VAC5S 1m 145000531 Japan 3PIN VOLEX VAC5S VCT...

Page 84: ...45500007 Korea lux 0033 H03VV F 0 75 3C 0011 1m 145500008 Italy lux 0029 H03VV F 0 75 3C 0011 1m 145500009 South Africa lux 0044 H03VV F 0 75 3C 0011 1m 145500010 Brazil lux 0034 H03VV F 0 75 3C 0011 1m 145500011 Israel lux 0041 H03VV F 0 75 3C 0011 1m 145500012 Switzerland lux 0027 H03VV F 0 75 3C 0011 1m 145500013 Denmark lux 0048 H03VV F 0 75 3C 0011 1m 145500014 Thailand lux 0014 H03VV F 0 75 ...

Page 85: ... 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 86: ... generally 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 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 Microsoft Corp...

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