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

Lenovo MIIX 720-12IKB Hardware Maintenance Manual

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Summary of Contents for Lenovo MIIX 720-12IKB

  • Page 1 MIIX 720-12IKB Hardware Maintenance Manual...
  • Page 2 “Notices” on page 70. First Edition (October. 2016) © Copyright Lenovo 2016. 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 ............. 24 Putting your computer to sleep ......24 Shutting down the computer ......25 Lenovo MIIX 720-12IKB ......26 Specifications ..........26 Hotkeys............28 FRU replacement notices ......29 Screw notices ..........29 Removing and replacing an FRU ....

  • Page 4: About This Manual

    • 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 ideapad products. Use this manual to troubleshoot problems effectively. Before servicing a Lenovo ideapad product, make sure to read all the information...

  • 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 an Lenovo MIIX 720-12IKB computer: • “General safety” on page 2 • “Electrical safety” on page 3 • “Safety inspection guide” on page 5 •...

  • Page 6: General Safety

    MIIX 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. Make sure that you can stand safely without slipping.

  • Page 7: Electrical Safety

    About this manual 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.
  • Page 8 MIIX 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 ideapad alterations. Use good judgment as to the safety of any non-Lenovo ideapad 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

    MIIX 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

    About this manual 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.
  • Page 12 MIIX 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.
  • Page 13 About this manual 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.
  • Page 14 MIIX 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.
  • Page 15 About this manual 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...
  • Page 16 MIIX 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.
  • Page 17 About this manual 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.

  • Page 18: Laser Compliance Statement

    MIIX 720-12IKB Hardware Maintenance Manual Laser compliance statement Some models of Lenovo ideapad 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 About this manual 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.

  • 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 a serial number or select a product or use Lenovo smart downloading. 3. Select the BIOS/Driver/Applications and download. 4. Follow the directions on the screen and install the necessary software.

  • Page 21: Important Notice For Replacing A System Board

    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

    MIIX 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

    4. If the voltage is acceptable, do the following: • Replace the system board. • If the problem continues, go to “Lenovo MIIX 720-12IKB” on page 26. Note: Noise from the AC adapter does not always indicate a defect. Checking operational charging...
  • Page 26 MIIX 720-12IKB Hardware Maintenance Manual Perform operational charging. If the battery status indicator or icon does not light on, remove the battery pack and let it return to room temperature. Reinstall the battery pack. If the charge indicator or icon is still off, replace the battery pack.

  • 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 Lenovo Recovery system and run System Recovery.

  • Page 28: Supervisor Password

    MIIX 720-12IKB Hardware Maintenance Manual 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 Utility and change the system configuration.

  • Page 29: Shutting Down The Computer

    Related service information Shutting down the computer If you are not going to use your computer for a long time, shut it down. To shut down the computer, do one of the following: • Select the Start button, then select Power →...

  • Page 30: Lenovo Miix 720-12Ikb

    • “Removing and replacing an FRU” on page 30 • “Locations” on page 55 • “Parts list” on page 59 Specifications The following table lists the specifications of the Lenovo MIIX 720-12IKB : Table 1. Specifications Tablet Form Factor Dimensions Appr.
  • Page 31 Lenovo MIIX 720-12IKB Table 1. Specifications (continued) AC power adapter Input 100-240 V, 50-60 Hz AC Output 20 V DC voltage Power 45 W Miscellaneous Front camera (IR camera + 1.0 MP normal camera) Camera Rear camera (5.0 MP) Folio keyboard...

  • Page 32: Hotkeys

    MIIX 720-12IKB Hardware Maintenance Manual Hotkeys You can access certain system settings quickly by pressing the appropriate hotkeys. Table 2. Hotkeys Mutes/unmutes the sound. Decreases the volume level. Increases the volume level. Refreshes page. Enables/disables the touch pad. Enables/disables Airplane mode.

  • 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 ideapad computer, this problem is addressed with special nylon-coated screws that have the following characteristics: •...

  • Page 34: Removing And Replacing An Fru

    MIIX 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 Lcd Cover

    Lenovo MIIX 720-12IKB 1010 LCD cover Figure 1. Removal step of LCD cover As shown by the arrows, flip the stand cover gently to the desired angle by inserting your finger in the finger recess between the stand cover and the bottom plate.
  • Page 36 MIIX 720-12IKB Hardware Maintenance Manual Figure 1. Removal step of LCD cover (continued) Detach the touch pad connector in the directions shown by arrows disconnect the LCD panel connector in the direction shown by arrow Remove the LCD cover in the direction shown by arrow 5.

  • Page 37: 1020 Battery Pack

    Lenovo MIIX 720-12IKB 1020 Battery pack For access, remove this FRU: • “1010 LCD cover” on page 31 DANGER Only use the battery specified in the parts list for your computer. Any other battery could ignite or explode. Remove screw 1, and the screws 2.
  • Page 38 MIIX 720-12IKB Hardware Maintenance Manual Figure 2. Removal steps of battery pack Disconnect the battery connector in the direction shown by arrow 5. Disconnect the LCD panel connector in the direction shown by arrow 6, detach the Micro SD card reader board connector and pogo pin connector in the direction shown by arrows 7 and 8.

  • Page 39: 1030 Pci Express Mini Card For Wireless Lan

    • “1020 Battery pack” on page 33 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 3 “Parts list-Overall” on page 61 for Lenovo part numbers for the approved modules.
  • Page 40 MIIX 720-12IKB Hardware Maintenance Manual Figure 3. Removal steps of PCI Express Mini Card for wireless LAN (continued) Remove the card in the direction shown by arrow...

  • Page 41: 1040 Ssd Card

    Lenovo MIIX 720-12IKB 1040 SSD card For access, remove these FRU: • “1010 LCD cover” on page 31 • “1020 Battery pack” on page 33 • “1030 PCI Express Mini Card for wireless LAN” on page 35 Figure 4. Removal steps of SSD card Remove the foil for the SSD card.
  • Page 42 MIIX 720-12IKB Hardware Maintenance Manual Figure 4. Removal steps of SSD card (continued) Remove the SSD card in the direction shown by arrow Step Screw (quantity) Color Torque M2 × 1.6, NGFF to Bezel (1) Black 1.85±0.20kgf·cm...

  • Page 43: 1050 Fan Assembly And Heat Sink Assembly

    Lenovo MIIX 720-12IKB 1050 Fan assembly and Heat Sink assembly For access, remove these FRUs in order: • “1010 LCD cover” on page 31 • “1020 Battery pack” on page 33 • “1030 PCI Express Mini Card for wireless LAN” on page 35 •...
  • Page 44 MIIX 720-12IKB Hardware Maintenance Manual Figure 5. Removal steps of fan assembly and heat sink assembly (continued) Remove the fan and heat sink in the direction shown by arrow . Be careful not to damage the connector. When installing: Make sure that the fan connector is attached firmly.

  • Page 45: 1060 Power Board

    Lenovo MIIX 720-12IKB 1060 Power Board For access, remove these FRUs in order: • “1010 LCD cover” on page 31 • “1020 Battery pack” on page 33 • “1030 PCI Express Mini Card for wireless LAN” on page 35 • “1040 SSD card” on page 37 •...
  • Page 46 MIIX 720-12IKB Hardware Maintenance Manual Figure 6. Removal steps of power board (continued) Disconnect the FPC connectors in the direction shown by arrow . Disconnect the wireless LAN cable . Loosen the screws Step Screw (quantity) Color Torque M2 × 2.5, power board to Black 1.85±0.20kgf·cm...

  • Page 47: 1070 System Board

    Lenovo MIIX 720-12IKB 1070 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.
  • Page 48 MIIX 720-12IKB Hardware Maintenance Manual Figure 7. Removal steps of system board Remove screws , then remove the system board shielding Step Screw (quantity) Color Torque M2 × 1.6, (2) Black 1.85±0.20kgf·cm Unplug the wireless cable , disconnect the rear camera connector in the...
  • Page 49 Lenovo MIIX 720-12IKB Figure 7. Removal steps of system board (continued) When installing: Make sure that all the connectors are attached firmly. Step Screw (quantity) Color Torque M2 × 1.6, MB to Bezel (2) Black 1.85±0.20kgf·cm Remove the system board as shown by arrow...

  • Page 50: 1080 Speakers

    MIIX 720-12IKB Hardware Maintenance Manual 1080 Speakers For access, remove these FRUs in order: • “1010 LCD cover” on page 31 • “1020 Battery pack” on page 33 • “1030 PCI Express Mini Card for wireless LAN” on page 35 •...

  • Page 51: 1090 Micro Sd Card Reader Board

    Lenovo MIIX 720-12IKB 1090 Micro SD card reader board For access, remove these FRUs in order: • “1010 LCD cover” on page 31 • “1020 Battery pack” on page 33 • “1030 PCI Express Mini Card for wireless LAN” on page 35 •...
  • Page 52 MIIX 720-12IKB Hardware Maintenance Manual Figure 9. Removal steps of Micro SD card reader board (continued) Remove the Micro SD card reader board Step Screw (quantity) Color Torque M2 × 2.5, (2) Black 1.85±0.20kgf*cm When installing: Make sure the Micro SD card reader board connector is...

  • Page 53: 1100 Integrated Camera And Microphone

    Lenovo MIIX 720-12IKB 1100 Integrated camera and microphone For access, remove these FRUs in order: • “1010 LCD cover” on page 31 • “1020 Battery pack” on page 33 • “1030 PCI Express Mini Card for wireless LAN” on page 35 •...

  • Page 54: 1110 Antenna Module

    MIIX 720-12IKB Hardware Maintenance Manual 1110 Antenna Module For access, remove these FRUs in order: • “1010 LCD cover” on page 31 • “1020 Battery pack” on page 33 • “1030 PCI Express Mini Card for wireless LAN” on page 35 •...

  • Page 55: 1120 Stand Cover

    Lenovo MIIX 720-12IKB 1120 Stand Cover For access, remove these FRUs in order: • “1010 LCD cover” on page 31 • “1020 Battery pack” on page 33 • “1030 PCI Express Mini Card for wireless LAN” on page 35 • “1040 SSD card” on page 37 •...
  • Page 56 MIIX 720-12IKB Hardware Maintenance Manual Figure 12. Removal steps of stand cover (continued) Remove the stand cover in the direction shown by arrow Remove the four screws , and then remove the hinge covers in the direction shown by arrows...
  • Page 57 Lenovo MIIX 720-12IKB Figure 12. Removal steps of stand cover (continued) Remove the screws , and then remove the hinges in the direction shown by arrows Step Screw (quantity) Color Torque M1.6 × 2.5, stand cover to Bezel (4) Black 1.0±0.20kgf·cm...
  • Page 58 MIIX 720-12IKB Hardware Maintenance Manual Note: Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. When you replace the base cover, you need to apply the following label: The following labels need to be peeled off from the old base cover, and need to be put on the new base cover.

  • Page 59: Locations

    Lenovo MIIX 720-12IKB Locations Front view Light sensor Normal camera IR LED IR camera Wireless LAN antenna Multi-touch screen...

  • Page 60: Left-Side View

    MIIX 720-12IKB Hardware Maintenance Manual Left-side view Speakers Finger recess USB 2.0 port Type-C port (With AC power adapter function) Combo audio jack Right-side view Power button indicator Power button Volume up/down button USB 3.0 port Speakers...

  • Page 61: Top View

    Lenovo MIIX 720-12IKB Top View Ventilation slots Digital array microphone Bottom view Pogo pin with guide pin Pogo pin mylar Rear view Rear camera Stand cover Micro SD card slot Watch belt hinge...

  • Page 62: Keyboard Folio Top View

    MIIX 720-12IKB Hardware Maintenance Manual Keyboard folio top view Pogo pin with guide pin Keyboard Touch pad...

  • Page 63: Parts List

    Lenovo MIIX 720-12IKB Parts list This section presents the following service parts: • “Overall” on page 60 • “Keyboard” on page 65 • “Miscellaneous parts” on page 67 • “Screws” on page 67 Notes: • Each FRU is available for all types or models, unless specific types or models...

  • Page 64: Overall

    MIIX 720-12IKB Hardware Maintenance Manual Overall...
  • Page 65 Lenovo MIIX 720-12IKB Table 3. Parts list—Overall FRU no. LCD Module L 80VV W/BEZEL 5D10M65391 LCD, 12.0'' QHD IPS GL, AU B120YAN01 5D10L61511 WQX+I G S NB LCD, 12.0'' QHD IPS GL, Second source under assessment Touch screen Panel, Touch screen ST50M43966 Panel(0.55mm), SLC 120004BKM OGS...
  • Page 66 MIIX 720-12IKB Hardware Maintenance Manual Table 3. Parts list—Overall (continued) FRU no. MB L 80VV NOK I57200U UMA 8G 5B20M65447 MB L 80VV WIN I57200U UMA 8G 5B20M65398 MB L80VVNOKI57200UUMA16GTPMPRC 5B20M65407 MB L80VVWINI57200UUMA16GTPMPRC 5B20M65473 MB L 80VVNOKI57200UUMA4GTPMPRC 5B20M65462 MB L 80VVWINI57200UUMA4GTPMPRC...
  • Page 67 Lenovo MIIX 720-12IKB Table 3. Parts list—Overall (continued) FRU no. M.2 PCIe SSD, 256GB PCIE, HFS256GD9MND- 5SD0L56326 5510A M.2 256G SSD M.2 PCIe SSD, 512GB PCIE, Samsung 5SD0J46481 MZVLV512HCJH 512GB M.2 PCIE SSD M.2 PCIe SSD, 512GB PCIE, HFS512GD9MND- 5SD0L56325 5510A M.2 512G SSD...
  • Page 68 MIIX 720-12IKB Hardware Maintenance Manual Table 3. Parts list—Overall (continued) FRU no. WLAN & BT, Wifi 2X2 ac +BT Combo, Ltn SW10K97465 NFA344A 2x2AC+BT4.x PCIE M.2 WLAN Power Board L 80VV w/cable 5C50M65438 Battery L 80VV W/Removable Tape 5B10M65425 Battery, 4Cell 41W Polymer, VISION SP/A 5B10L72502 L15M4PC3 7.68V41Wh4cell bty...

  • Page 69: Keyboard

    Lenovo MIIX 720-12IKB Keyboard Table 4. Parts list—Keyboard Language CRU ID. English 5N20L76619 English-For 5N20M42679 U.K. English 5N20L76633 Italian 5N20L76622 Spanish 5N20L76620 Turkish 5N20L76612 Thai 5N20L76616 Portuguese 5N20L76630 Latin 5N20L76613 Canadian 5N20L76642 English&French Korean 5N20L76641 Traditional 5N20L76626 Chinese Russian 5N20L76643...
  • Page 70 MIIX 720-12IKB Hardware Maintenance Manual Table 4. Parts list—Keyboard (continued) Language CRU ID. Feather French- 5N20L76638 case + Chicony Arabic Folio case Keyboad (Backlight) 5N20L76795 Ukraine +Click pad...

  • Page 71: Miscellaneous Parts

    Lenovo MIIX 720-12IKB Miscellaneous parts Table 5. Parts list—Miscellaneous parts CRU ID. Cable miscellaneous parts: System miscellaneous parts: (a) Foil L 80VV For Thermal 5T10M65421 (b) Foil L 80VV For SDD 5T10M65464 (c) Power BD Bracket L 80VV 5B40M65457 Note: Italicized letters in parentheses are references to the exploded view in “Overall”...

  • Page 72: Active Pen

    MIIX 720-12IKB Hardware Maintenance Manual Active Pen Table 7. Parts list—Active Pen CRU ID. Touch Panel Pen, Active Pen (except TW Korea) 5T70J33309 Wacom ESP10110C5 D9.5 BK A Pen Touch Panel Pen, Active Pen with BT (US, CE, Japan, China, AS/NZS, Korea, Taiwan) WCM ESP101B21C5 5T70M55297 D9.5 BT Pen...
  • Page 73 Lenovo MIIX 720-12IKB Table 9. Parts list—Adaptive (continued) CRU ID. Adatper, Type C Adatper, Liteon ADLX45ULCK2A SA10M39909 20V2.25A adap COO Adatper, Type C Adatper, Liteon ADLX45ULCI2A 5A10K34717 20V2.25A adapter Adatper, Type C Adatper, Liteon ADLX45ULCR2A 5A10K34730 20V2.25A adapter Adatper, Type C Adatper, Liteon ADLX45ULCA2A 5A10K34707 20V2.25A adapter...

  • Page 74: 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 75: Trademarks

    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 Microsoft and Windows are trademarks of Microsoft Corporation in the United...

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