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Lenovo YOGA 720-12IKB Hardware Maintenance Manual
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Lenovo YOGA 720-12IKB Hardware Maintenance Manual

Lenovo YOGA 720-12IKB Hardware Maintenance Manual

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  • Page 1 Lenovo YOGA 720-12IKB Hardware Maintenance Manual...
  • Page 2 • Before using this information and the product it supports, be sure to read the general information under “Notices” on page 71. First Edition (August 2017) © Copyright Lenovo 2017. 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.

  • Page 3: Table Of Contents

    Putting the computer to sleep or shutting it down ..........25 Putting your computer to sleep ......25 Shutting down the computer ......25 Lenovo YOGA 720-12IKB ......26 Specifications ..........26 Status indicators ........... 27 Keyboard function keys ........ 28 FRU replacement notices ......29 Screw notices ..........29...

  • Page 4: About This Manual

    About this manual This manual contains service and reference information for the following Lenovo product: Lenovo YOGA 720-12IKB Use this manual to troubleshoot problems. The manual is divided into the following sections: • The common sections provide general information, guidelines, and safety information required for servicing computers.

  • Page 5: Safety Information

    Safety information Safety information This chapter presents the following safety information that you need to get familiar with before you service a Lenovo YOGA 720-12IKB computer: • “General safety” on page 2 • “Electrical safety” on page 3 • “Safety inspection guide” on page 5 •...

  • Page 6: General Safety

    Lenovo YOGA 720-12IKB Hardware Maintenance Manual General safety Follow these rules below to ensure general safety: • Observe a good housekeeping in the area where the machines are put during and after the maintenance. • When lifting any heavy object: 1.

  • Page 7: Electrical Safety

    Safety information Electrical safety Observe the following rules when working on electrical equipments. Important: Use only approved tools and test equipments. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents. Many customers have rubber floor mats near their machines that contain small conductive fibers to decrease electrostatic discharges. Do not use such kind of mat to protect yourself from electrical shock. • Find the room emergency power-off (EPO) switch, disconnecting switch or electrical outlet.
  • Page 8 Lenovo YOGA 720-12IKB Hardware Maintenance Manual • Always look carefully for possible hazards in your work area. Examples of these hazards are moist floors, nongrounded power extension cables, power surges, and missing safety grounds. • Do not touch live electrical circuits with the reflective surface of a plastic dental mirror.

  • Page 9: Safety Inspection Guide

    4. Check for cracked or bulging batteries. 5. Remove the cover. 6. Check for any obvious non-Lenovo alterations. Use good judgment as to the safety of any non-Lenovo alterations. 7. Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, water or other liquids, or signs of fire or smoke damage.

  • Page 10: Handling Devices That Are Sensitive To Electrostatic Discharge

    Lenovo YOGA 720-12IKB Hardware Maintenance Manual Handling devices that are sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to electrostatic discharge (ESD). ESD damage can occur when there is a difference in charge between objects. Protect against ESD damage by equalizing the charge so that the machine, the part, the work mat, and the person handling the part are all at the same charge.

  • Page 11: Safety Notices: Multilingual Translations

    Safety information Safety notices: multilingual translations The safety notices in this section are provided in English, French, German, Hebrew, Italian, Japanese, and Spanish. Safety notice 1 Before the computer is powered on after FRU replacement, make sure all screws, springs, and other small parts are in place and are not left loose inside the computer. Verify this by shaking the computer and listening for rattling sounds.
  • Page 12 Lenovo YOGA 720-12IKB Hardware Maintenance Manual Safety notice 2 DANGER Some standby batteries contain a small amount of nickel and cadmium. Do not disassemble a standby battery, recharge it, throw it into fire or water, or short- circuit it. Dispose of the battery as required by local ordinances or regulations. Use only the battery in the appropriate parts listing. Use of an incorrect battery can result in ignition or explosion of the battery. Certaines batteries de secours contiennent du nickel et du cadmium. Ne les démontez pas, ne les rechargez pas, ne les exposez ni au feu ni à l’eau. Ne les mettez pas en court-circuit. Pour les mettre au rebut, conformez-vous à la...
  • Page 13 Safety information Safety notice 3 DANGER The battery pack contains small amounts of nickel. Do not disassemble it, throw it into fire or water, or short-circuit it. Dispose of the battery pack as required by local ordinances or regulations. Use only the battery in the appropriate parts listing when replacing the battery pack. Use of an incorrect battery can result in ignition or explosion of the battery. La batterie contient du nickel. Ne la démontez pas, ne l’exposez ni au feu ni à l’eau. Ne la mettez pas en court-circuit. Pour la mettre au rebut, conformez-vous à la réglementation en vigueur. Lorsque vous remplacez la batterie, veillez à n’utiliser que les modèles cités dans la liste de pièces détachées adéquate. En effet, une batterie inappropriée risque de prendre feu ou d’exploser. Akkus enthalten geringe Mengen von Nickel. Sie dürfen nicht zerlegt, wiederaufgeladen, kurzgeschlossen, 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 cortocircuitarla. Smaltirla secondo la normativa in vigore (DPR 915/82, successive disposizioni e disposizioni locali). Quando si sostituisce la batteria, utilizzare soltanto i tipi inseriti nell’appropriato Catalogo parti. L’impiego di una batteria non adatta potrebbe determinare l’incendio o l’esplosione della batteria stessa. Las baterías contienen pequeñas cantidades de níquel. No las desmonte, ni recargue, ni las eche al fuego o al agua ni las cortocircuite. Deséchelas tal como dispone la normativa local. Utilice sólo baterías que se encuentren en la lista de piezas al sustituir la batería. La utilización de una batería no apropiada puede...
  • Page 14 Lenovo YOGA 720-12IKB Hardware Maintenance Manual Safety notice 4 DANGER The lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge it, remove its polarized connector, disassemble it, heat it above 100°C (212°F), incinerate it, or expose its cell contents to water. Dispose of the battery as required by local ordinances or regulations. Use only the battery in the appropriate parts listing. Use of an incorrect battery can result in ignition or explosion of the battery. La pile de sauvegarde contient du lithium. Elle présente des risques d’incendie, d’explosion ou de brûlures graves. Ne la rechargez pas, ne retirez pas son connecteur polarisé et ne la démontez pas. Ne l’exposez pas à une temperature...
  • Page 15 Safety information Safety notice 5 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands, immediately wash the affected areas with water at least for 15 minutes. Seek medical care if any symptoms caused by the fluid are present after washing. Si le panneau d’affichage à cristaux liquides se brise et que vous recevez dans les yeux ou sur les mains une partie du fluide, rincez-les abondamment pendant au moins quinze minutes. Consultez un médecin si des symptômes persistent après le lavage. Die Leuchtstoffröhre im LCD-Bildschirm enthält Quecksilber. Bei der Entsorgung die örtlichen Bestimmungen für Sondermüll beachten. 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.
  • Page 16 Lenovo YOGA 720-12IKB Hardware Maintenance Manual Safety notice 6 DANGER To avoid shock, do not remove the plastic cover that protects the lower part of the inverter card. Afin d’éviter tout risque de choc électrique, ne retirez pas le cache en plastique protégeant la partie inférieure de la carte d’alimentation. Aus Sicherheitsgründen die Kunststoffabdeckung, die den unteren Teil der Spannungswandlerplatine umgibt, nicht entfernen. Per evitare scosse elettriche, non rimuovere la copertura in plastica che avvolge la parte inferiore della scheda invertitore. Para evitar descargas, no quite la cubierta de plástico que rodea la parte baja de la tarjeta invertida. Safety notice 7 DANGER Though the main batteries have low voltage, a shorted or grounded battery can produce enough current to burn personnel or combustible materials. Bien que le voltage des batteries principales soit peu élevé, le court-circuit ou la mise à la masse d’une batterie peut produire suffisamment de courant pour brûler des matériaux combustibles ou causer des brûlures corporelles graves. Obwohl Hauptbatterien eine niedrige Spannung haben, können sie doch bei Kurzschluß oder Erdung genug Strom abgeben, um brennbare Materialien zu...
  • Page 17 Safety information Safety notice 8 DANGER Before removing any FRU, turn off the computer, unplug all power cords from electrical outlets, remove the battery pack, and then disconnect any interconnecting cables. Avant de retirer une unité remplaçable en clientèle, mettez le système hors tension, débranchez tous les cordons d’alimentation des socles de prise de courant, retirez la batterie 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 quitar una FRU, apague el sistema, desenchufe todos los cables de las tomas de corriente eléctrica, quite la batería y, a continuación, desconecte cualquier cable de conexión entre dispositivos.

  • Page 18: Laser Compliance Statement

    Hardware Maintenance Manual Laser compliance statement Some models of Lenovo computer are equipped from the factory with an optical storage device such as a CD-ROM drive or a DVD-ROM drive. Such devices are also sold separately as options. If one of these drives is installed, it is certified in the U.S.
  • Page 19 Safety information A CD-ROM drive, a DVD-ROM drive, or any other storage device installed may contain an embedded Class 3A or Class 3B laser diode. Note the following: DANGER Emits visible and invisible laser radiation when open. Do not stare into the beam, do not view directly with optical instruments, and avoid direct exposure to the beam. Radiação por raio laser ao abrir. Não olhe fixo no feixe de luz, não olhe diretamente por meio de instrumentos óticos e evite exposição direta com o feixe de luz.

  • Page 20: Important Service Information

    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.

  • Page 21: Strategy For Replacing A Hard Disk Drive

    Important service information Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs: • If you are instructed to replace an FRU, but the replacement does not solve the problem, reinstall the original FRU before you continue. •...

  • Page 22: Important Information About Replacing Rohs Compliant Frus

    FRU part numbers. Lenovo plans to transit to RoHS compliance 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.

  • Page 23: General Checkout

    General checkout General checkout This chapter presents the following information: • “What to do first” on page 20 • “Power system checkout” on page 21 Before you go to the checkout, make sure to read the following important notes: Important notes: • Only certified trained personnel can service the computer.

  • Page 24: What To Do First

    Lenovo YOGA 720-12IKB Hardware Maintenance Manual What to do first When you do return an FRU, you must include the following information in the parts exchange form or parts return form that you attach to it: 1. Name and phone number of servicer 2.

  • Page 25: Power System Checkout

    Checking the AC adapter You are here because the 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 adapter cable. See the following figure: Voltage (V DC) Note: Output voltage for the AC adapter pin No. 2 may differ from the one you are servicing. 3. If the voltage is not correct, replace the AC adapter. 4. If the voltage is acceptable, do the following: • Replace the system board. • If the problem persists, go to “Lenovo YOGA 720-12IKB” on page 26. Note: Noise from the AC adapter does not always indicate a defect.

  • Page 26: Checking Operational Charging

    Lenovo YOGA 720-12IKB Hardware Maintenance Manual Checking operational charging To check whether the battery charges properly during operation, use a discharged battery pack or a battery pack that has less than 50% of the total power remaining when installed in the computer.

  • Page 27: Related Service Information

    Lenovo computer includes a hidden partition when it is shipped. If you need to restore the system to the point of your first boot up, just enter the Recovery System.

  • Page 28: Passwords

    Lenovo YOGA 720-12IKB Hardware Maintenance Manual Passwords As many as three passwords may be needed for any Lenovo computer: the power-on password (POP), the hard disk password (HDP), and the supervisor password. If any of these passwords has been set, a prompt for it appears on the screen whenever the computer is turned on.

  • Page 29: Power Management

    Related service information Power management Note: Power management modes are not supported for an APM operating system. Putting the computer to sleep or shutting it down When you have finished working with your computer, you can put it to sleep or shut it down.

  • Page 30: Lenovo Yoga 720-12Ikb

    • “FRU replacement notices” on page 29 • “Removing and replacing an FRU” on page 30 • “Locations” on page 56 • “Parts list” on page 58 Specifications The following table lists the specifications of the Lenovo YOGA 720-12IKB: Table 1. Specifications Feature Description Processor View the system properties of your computer.

  • Page 31: Status Indicators

    Lenovo YOGA 720-12IKB Status indicators The system status indicators below show the computer status: Table 2. Status indicators Charge Indicator Indicator status Meaning status The battery has more than 80% On (solid white) Charging charge. On (solid The battery has between 5% and...

  • Page 32: Keyboard Function Keys

    Enables/disables the touchpad. Enables/disables Airplane mode. Enables/disables the integrated camera. Locks the screen. Toggles the display between the computer and an external device. Decreases display brightness. Increases display brightness. Note: You can use the Lenovo Setting to enable/disable the hotkey function.

  • Page 33: Fru Replacement Notices

    This section presents notices related to removing and replacing parts. Read this section carefully before replacing any FRU. Screw notices Loose screws can cause a reliability problem. In the Lenovo computer, this problem is addressed with special nylon-coated screws that have the following characteristics: •...

  • Page 34: Removing And Replacing An Fru

    Lenovo YOGA 720-12IKB Hardware Maintenance Manual Removing and replacing an FRU This section presents exploded figures with the instructions to indicate how to remove and replace the FRU. Make sure to observe the following general rules: 1. Do not attempt to service any computer unless you have been trained and certified.

  • Page 35: 1010 Base Cover

    Lenovo YOGA 720-12IKB 1010 Base cover Figure 1. Removal steps of base cover Remove the screws . Pull the base cover in the direction shown by arrow then remove the base cover in the direction shown by arrow Note: Be careful when separating the base cover. Do not force apart the base cover, otherwise the cover hooks could be damaged.
  • Page 36 Lenovo YOGA 720-12IKB Hardware Maintenance Manual Note: Applying labels to the base cover If you see the following labels on the base cover, it needs to be peeled off from the old base cover, and put on the new base cover.

  • Page 37: 1020 Battery Pack

    Lenovo YOGA 720-12IKB 1020 Battery pack For access, remove this FRU: • “1010 Base cover” on page 31 DANGER Only use the battery specified in the parts list for your computer. Any other battery could ignite or explode. Figure 2. Removal steps of battery pack Unplug the battery connector in the direction shown by arrow . Remove the...

  • Page 38: 1030 Solid State Disk

    Lenovo YOGA 720-12IKB Hardware Maintenance Manual 1030 Solid state disk For access, remove these FRUs in order: • “1010 Base cover” on page 31 • “1020 Battery pack” on page 33 Figure 3. Removal steps of solid state disk Remove the screw...

  • Page 39: 1040 Pci Express Mini Card For Wireless Lan

    Important: The preinstalled WLAN module may only be replaced with a Lenovo approved module in order to comply with FCC and IC regulations. Refer to “Table 5. Parts list—Overall” on page 60 for Lenovo part numbers for the approved modules.
  • Page 40 Lenovo YOGA 720-12IKB Hardware Maintenance Manual Figure 4. Removal steps of PCI Express Mini Card for wireless LAN (continued) Remove the card in the direction shown by arrow When installing: When installing the wireless LAN card, plug the black cable...

  • Page 41: 1050 Speakers

    Lenovo YOGA 720-12IKB 1050 Speakers For access, remove these FRUs in order: • “1010 Base cover” on page 31 • “1020 Battery pack” on page 33 Figure 5. Removal steps of speakers Unplug the speaker connector in the direction shown by arrow .
  • Page 42 Lenovo YOGA 720-12IKB Hardware Maintenance Manual Figure 5. Removal steps of speakers (continued) Remove the two speakers...

  • Page 43: 1060 Io Board

    Lenovo YOGA 720-12IKB 1060 IO board For access, remove these FRUs in order: • “1010 Base cover” on page 31 • “1020 Battery pack” on page 33 Figure 6. Removal steps of IO board Detach the IO board connector in the directions shown by arrows Remove the screw When installing: Make sure that the connector is attached firmly.

  • Page 44: 1070 Fan And Heat Sink Assembly

    Lenovo YOGA 720-12IKB Hardware Maintenance Manual 1070 Fan and heat sink assembly For access, remove these FRUs in order: • “1010 Base cover” on page 31 • “1020 Battery pack” on page 33 Figure 7. Removal steps of fan and heat sink assembly Unplug the fan connector in the direction shown by arrow .
  • Page 45 Lenovo YOGA 720-12IKB Figure 7. Removal steps of fan and heat sink assembly (continued) Loosen the screws . Remove the heat sink in the direction shown by arrow Attention: Do not handle the heat sink assembly roughly. Improper handling can cause distortion or deformation and imperfect contact with components.

  • Page 46: 1080 System Board

    Lenovo YOGA 720-12IKB Hardware Maintenance Manual 1080 System board 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. • During the whole process, make sure not to drop or stack the system board. • If you put a system board down, make sure to put it only on a padded surface, such as an ESD mat or conductive corrugated material. For access, remove these FRUs in order: • “1010 Base cover” on page 31 •...
  • Page 47 Lenovo YOGA 720-12IKB Figure 8. Removal steps of system board (continued) Remove the screws Step Screw (quantity) Color Torque M2.0 x 5.5 mm, Phillips-head, nylok-coated (1) Black 1.8-2.0 kg_cm hinge to C cover M2.0 x 4.0 mm, Phillips-head, nylok-coated (6) Black 1.8-2.0 kg_cm...
  • Page 48 Lenovo YOGA 720-12IKB Hardware Maintenance Manual Figure 8. Removal steps of system board (continued) Open the hinge in the direction shown by arrows Remove the system board...

  • Page 49: 1090 Fingerprint Module And Dc-In Cable

    Lenovo YOGA 720-12IKB 1090 Fingerprint module and DC-in cable For access, remove these FRUs in order: • “1010 Base cover” on page 31 • “1020 Battery pack” on page 33 • “1040 PCI Express Mini Card for wireless LAN” on page 35 •...

  • Page 50: 1100 Lcd Unit

    Lenovo YOGA 720-12IKB Hardware Maintenance Manual 1100 LCD unit For access, remove these FRUs in order: • “1010 Base cover” on page 31 • “1020 Battery pack” on page 33 • “1040 PCI Express Mini Card for wireless LAN” on page 35 •...

  • Page 51: 1110 Lcd Panel

    Lenovo YOGA 720-12IKB 1110 LCD panel For access, remove these FRUs in order: • “1010 Base cover” on page 31 • “1020 Battery pack” on page 33 • “1040 PCI Express Mini Card for wireless LAN” on page 35 • “1050 Speakers” on page 37 •...
  • Page 52 Lenovo YOGA 720-12IKB Hardware Maintenance Manual Figure 11. Removal steps of LCD panel (continued) Remove the hinge rubbers Remove the screws Step Screw (quantity) Color Torque M2.0 × 2.0 mm, Phillips-head, nylok-coated (1) Black 1.8-2.0 kg_cm B cover to A cover M2.0 ×...
  • Page 53 Lenovo YOGA 720-12IKB Figure 11. Removal steps of LCD panel (continued) Gently pull out the two pieces of adhesive tape with tweezers in the direction shown by arrows Remove the LCD panel in the direction shown by arrows...

  • Page 54: 1120 Edp Cable

    Lenovo YOGA 720-12IKB Hardware Maintenance Manual 1120 EDP cable For access, remove these FRUs in order: • “1010 Base cover” on page 31 • “1020 Battery pack” on page 33 • “1040 PCI Express Mini Card for wireless LAN” on page 35 •...
  • Page 55 Lenovo YOGA 720-12IKB Figure 12. Removal steps of EDP cable (continued) Remove the EDP cable...

  • Page 56: 1130 Microphone Board And Camera Board

    Lenovo YOGA 720-12IKB Hardware Maintenance Manual 1130 Microphone board and camera board For access, remove these FRUs in order: • “1010 Base cover” on page 31 • “1020 Battery pack” on page 33 • “1040 PCI Express Mini Card for wireless LAN” on page 35 •...
  • Page 57 Lenovo YOGA 720-12IKB Figure 13. Removal steps of microphone board and camera board (continued) Remove the camera board Turn over the camera board, unplug the connector...

  • Page 58: 1140 Lcd Hinges

    Lenovo YOGA 720-12IKB Hardware Maintenance Manual 1140 LCD hinges For access, remove these FRUs in order: • “1010 Base cover” on page 31 • “1020 Battery pack” on page 33 • “1040 PCI Express Mini Card for wireless LAN” on page 35 •...
  • Page 59 Lenovo YOGA 720-12IKB Figure 14. Removal steps of LCD hinges (continued) Then release the hinges in the direction shown by arrows...

  • Page 60: Locations

    Lenovo YOGA 720-12IKB Hardware Maintenance Manual Locations Front and right-side view Integrated camera Built-in microphone Wireless LAN antennas Multi-touch screen USB 3.0 port Type-C port Novo button Power button Note: For the description of each indicator, see “Status indicators” on page 27.

  • Page 61: Bottom And Left-Side View

    Lenovo YOGA 720-12IKB Bottom and left-side view Louvers Speakers AC power adapter jack Battery status indicator Note: For the description of each indicator, see “Status indicators” on page 27. Combo audio jack...

  • Page 62: Parts List

    Lenovo YOGA 720-12IKB Hardware Maintenance Manual Parts list This section presents the following service parts: • “Overall” on page 59 • “LCD FRUs” on page 64 • “Miscellaneous parts” on page 65 • “AC adapters” on page 66 • “Screws” on page 66 Notes: • Each FRU is available for all types or models, unless specific types or models...

  • Page 63: Overall

    Lenovo YOGA 720-12IKB Overall...
  • Page 64 Lenovo YOGA 720-12IKB Hardware Maintenance Manual Table 5. Parts list—Overall FRU no. a-c see “Miscellaneous parts” on page 65. LCD unit (see “LCD FRUs” on page 64.) Upper Case B 81B5 BL IG W/KB AR 5CB0Q12160 Upper Case B 81B5 BL IG W/KB BE...
  • Page 65 Lenovo YOGA 720-12IKB Table 5. Parts list—Overall (continued) FRU no. Upper Case B 81B5 BL PTN W/KB HE 5CB0Q12266 UpperCase B 81B5 BL PTN W/KB INIDA 5CB0Q12254 Upper Case B 81B5 BL PTN W/KB HG 5CB0Q12173 Upper Case B 81B5 BL PTN W/KB ICE...
  • Page 66 Lenovo YOGA 720-12IKB Hardware Maintenance Manual Table 5. Parts list—Overall (continued) FRU no. Upper Case B 81B5 NBL IG W/KB TR 5CB0Q12167 Upper Case B 81B5 NBL IG W/KB UKR 5CB0Q12218 Upper Case B 81B5 NBL PTN W/KB AR 5CB0Q12165...
  • Page 67 Lenovo YOGA 720-12IKB Table 5. Parts list—Overall (continued) FRU no. MB B 81B5 WIN I37100U UMA 4GNBL 5B20Q12217 MB B 81B5 WIN I37100U UMA 8GNBL 5B20Q12207 MB B 81B5 WINI37100U UMA 12GNBL 5B20Q12148 MB B 81B5 WIN I57200U UMA 4GNBL...

  • Page 68: Lcd Frus

    Lenovo YOGA 720-12IKB Hardware Maintenance Manual LCD FRUs In Lenovo YOGA 720-12IKB, there are following types of LCDs. • “12.5-in. FHD LED”...

  • Page 69: Miscellaneous Parts

    Lenovo YOGA 720-12IKB Table 6. Parts list—LCD FRUs FRU no. Hinge Cover B 81B5 Black Middle 5CB0Q12152 Hinge Cover B 81B5 Black Left 5CB0Q12273 Hinge Cover B 81B5 Black Right 5CB0Q12232 LCDModuleB 81B5W/ControlBoardFHD 5D10P94922 Dual MIC Board B 81B5 L+R...

  • Page 70: Ac Adapters

    Lenovo YOGA 720-12IKB Hardware Maintenance Manual AC adapters Table 8. Parts list—AC adapters CRU ID. Delta ADP-45DW A 20V2.25A COO SA10M42800 Delta ADP-45DW J 20V2.25A COO SA10M42721 Delta ADP-45DW B 20V2.25A COO SA10M42785 Delta ADP-45DW D 20V2.25A COO SA10M42696 Delta ADP-45DW H 20V2.25A COO SA10M42699 Delta ADP-45DW G 20V2.25A COO...

  • Page 71: Power Cords

    Lenovo YOGA 720-12IKB Power cords A Lenovo power cord for a specific country or region is usually available only in that country or region: Table 10. Parts list—3-pin power cords Region CRU ID. CHINA 145000600 • LINETEK PC323+RVV300/300+LS15 1m ARGENTINA 145000599 •...
  • Page 72 Lenovo YOGA 720-12IKB Hardware Maintenance Manual Table 10. Parts list—3-pin power cords (continued) Region CRU ID. CHINA 145000568 • Longwell LSG-31+RVV300/300+LS-18 1m ARGENTINA 145000567 • Longwell LP-24+H03VV-F+LS-18 1m SWITZERLAND 145000565 • Longwell LP-37+H03VV-F+LS-18 1m BRAZIL 145000564 • Longwell LP-46+H03VV-F+LS-18 1m...
  • Page 73 Lenovo YOGA 720-12IKB Table 10. Parts list—3-pin power cords (continued) Region CRU ID. SWITZERLAND 145000524 • VOLEX MP232+H03VV-F+VAC5S 1m BRAZIL 145000527 • VOLEX CH10S3+H03VV-F+VAC5S 1m ISRAEL 145000526 • VOLEX SI16S3+H03VV-F+VAC5S 1m CANADA, LA GROUP, LA_GROUP, PHILIPPINES, USA 145000537 • Volex US15S3+SPT-2+VAC5S 1m...
  • Page 74 Lenovo YOGA 720-12IKB Hardware Maintenance Manual Table 10. Parts list—3-pin power cords (continued) Region CRU ID. THAILAND 5L60J33143 • lux 0014+H03VV-F 0.75/3C+0011 1m BANGLADESH, CYPRUS, EGYPT, EMAT_UK, EMAT- UK, HONG_KONG, HONGKONG, IRELAND, MALAYSIA, SAUDI ARABIA, SAUDI_ARABIA, SINGAPORE, SRI LANKA, SRI_LANKA, UNITED ARAB EMIRATES,...

  • Page 75: Notices

    The result obtained in other operating environments may vary. Lenovo may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you.

  • Page 76: Trademarks

    Lenovo YOGA 720-12IKB Hardware Maintenance Manual Trademarks The following terms are either registered trademarks or trademarks of Lenovo in the United States and/or other countries: ® Lenovo ® Lenovo logo The following term is trademark of Microsoft Corporation in the United States,...

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