Putting the computer to sleep or shutting it down ..........25 Putting your computer to sleep ......25 Shutting down the computer ......26 Lenovo Yoga 3 14 ........27 Specifications ..........27 Status indicators ........... 29 Fn key combinations........30 FRU replacement notices ......31 Screw notices ..........31...
About this manual This manual contains service and reference information for the following Lenovo product: Lenovo Yoga 3 14 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.
Safety information Safety information This chapter presents the following safety information that you need to get familiar with before you service a Lenovo Yoga 3 14 computer: • “General safety” on page 2 • “Electrical safety” on page 3 • “Safety inspection guide” on page 5 •...
Lenovo Yoga 3 14 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.
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. 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.
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Lenovo Yoga 3 14 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.
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.
Lenovo Yoga 3 14 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.
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. Verify this by shaking the computer and listening for rattling sounds.
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Lenovo Yoga 3 14 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...
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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. 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...
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Lenovo Yoga 3 14 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...
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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 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.
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Lenovo Yoga 3 14 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...
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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. 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.
Lenovo Yoga 3 14 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.
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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. 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.
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.
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. •...
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.
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.
Lenovo Yoga 3 14 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.
4. If the voltage is acceptable, do the following: • Replace the system board. • If the problem persists, go to “Lenovo Yoga 3 14” on page 27. Note: Noise from the AC adapter does not always indicate a defect.
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Lenovo Yoga 3 14 Hardware Maintenance Manual Perform operational charging. If the battery status indicator or icon is not lit, 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.
System.In order to save application files and the initial backed up files of the system, the hard disk in a 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 OneKey Recovery System and run System Recovery.
Lenovo Yoga 3 14 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.
Related service information Power management Note: Power management modes are not supported for an APM operating system. To reduce power consumption, the computer has two power management modes: screen blank and sleep (standby). Screen blank state If the time set on the “Turn off monitor” timer in the operating system expires, the LCD backlight turns off.
Lenovo Yoga 3 14 Hardware Maintenance Manual Shutting down the computer If you are not going to use your computer for a long time, shut it down. To shut down your computer, do one of the following: • Open the charms bar and then select Settings →...
• “FRU replacement notices” on page 31 • “Removing and replacing an FRU” on page 32 • “Locations” on page 58 • “Parts list” on page 60 Specifications The following table lists the specifications of the Lenovo Yoga 3 14: Table 1. Specifications Feature Description Processor...
Lenovo Yoga 3 14 Status indicators The system status indicators below show the computer status: Table 2. Status indicators Indicator Indicator status Meaning On (solid white) The battery has more than 20% charge. The battery has between 5% and 20% Solid amber charge.
Lenovo Yoga 3 14 Hardware Maintenance Manual Fn key combinations The following table describes the functions of Fn key combinations. Table 3. Function key combinations Mutes/unmutes the sound. Decreases the volume level. Increases the volume level. Closes the currently active window.
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: •...
Lenovo Yoga 3 14 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.
Lenovo Yoga 3 14 1010 Base cover Figure 1. Removal steps of base cover Remove the screws . Then remove the base cover Step Screw (quantity) Color Torque M2 × 6 mm, flat-head, Silver 1.8+/-0.15 kgf.cm 5S10H41038 nylok-coated (11) Lower...
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Lenovo Yoga 3 14 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...
Lenovo Yoga 3 14 1020 Battery pack For access, remove this FRU: • “1010 Base cover” on page 33 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 and remove the screws . Then remove the...
Lenovo Yoga 3 14 Hardware Maintenance Manual 1030 Hard disk drive For access, remove these FRUs in order: • “1010 Base cover” on page 33 • “1020 Battery pack” on page 35 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.
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Lenovo Yoga 3 14 Figure 3. Removal steps of hard disk drive (continued) Remove the frame fixing screws . Remove the hard disk drive in the direction shown by arrow Step Screw (quantity) Color Torque M2 × 3.5 mm, flat-head, Black 1.8+/-0.15 kgf.cm 5S10H41042...
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Lenovo Yoga 3 14 Hardware Maintenance Manual Figure 3. Removal steps of hard disk drive (continued) Remove four screws and detach the metal frame from the hard disk drive. Step Screw (quantity) Color Torque M3.0 × 3.0 mm, flat-head, Silver 1.8+/-0.15 kgf.cm...
Lenovo Yoga 3 14 1040 PCI Express Mini Card for wireless LAN For access, remove these FRUs in order: • “1010 Base cover” on page 33 • “1020 Battery pack” on page 35 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 4 “Parts list—Overall” on page 64 for Lenovo part numbers for the approved modules. Figure 4. Removal steps of PCI Express Mini Card for wireless LAN...
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Lenovo Yoga 3 14 Hardware Maintenance Manual Figure 4. Removal steps of PCI Express Mini Card for wireless LAN (continued) In 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 the arrows.
Lenovo Yoga 3 14 1050 DIMM For access, remove these FRUs in order: • “1010 Battery pack” on page 35 • “1020 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover” on page 36 Figure 5. Removal steps of DIMM...
Lenovo Yoga 3 14 Hardware Maintenance Manual 1060 Fan assembly and heat sink assembly For access, remove these FRUs in order: • “1010 Base cover” on page 33 • “1020 Battery pack” on page 35 • “1030 Hard disk drive” on page 36 •...
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Lenovo Yoga 3 14 Figure 6. Removal steps of fan assembly and heat sink assembly (continued) Remove the screws 1. Lift the dummy fan assembly in the direction shown by arrow 2. Step Screw (quantity) Color Torque M2 × 3.5 mm, flat-head, nylok- Black 1.8+/-0.15 kgf.cm 5S10H41042...
Lenovo Yoga 3 14 Hardware Maintenance Manual 1070 LCD unit For access, remove these FRUs in order: • “1010 Base cover” on page 33 • “1020 Battery pack” on page 35 • “1030 Hard disk drive” on page 36 • “1040 PCI Express Mini Card for wireless LAN” on page 39 •...
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Lenovo Yoga 3 14 Figure 7. Removal steps of LCD unit (continued) Open the hinges , then remove the upper case from the LCD unit in the direction shown by arrow...
Lenovo Yoga 3 14 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 33 •...
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Lenovo Yoga 3 14 Figure 8. Removal steps of system board Remove screw . Detach keyboard connector, touch pad connector and IO board connector in the directions shown by arrows . Disconnect camera connector in the direction shown by arrow .
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Lenovo Yoga 3 14 Hardware Maintenance Manual Figure 8. Removal steps of system board (continued) Remove the system board in the direction shown by arrow...
Lenovo Yoga 3 14 1090 Speakers For access, remove these FRUs in order: • “1010 Base cover” on page 33 • “1020 Battery pack” on page 35 • “1030 Hard disk drive” on page 36 • “1040 PCI Express Mini Card for wireless LAN” on page 39 •...
Lenovo Yoga 3 14 Hardware Maintenance Manual 1100 Power assembly and IO board For access, remove these FRUs in order: • “1010 Base cover” on page 33 • “1020 Battery pack” on page 35 • “1030 Hard disk drive” on page 36 •...
Lenovo Yoga 3 14 1110 LCD front cover For access, remove these FRUs in order: • “1010 Base cover” on page 33 • “1020 Battery pack” on page 35 • “1030 Hard disk drive” on page 36 • “1040 PCI Express Mini Card for wireless LAN” on page 39 •...
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Lenovo Yoga 3 14 Hardware Maintenance Manual Figure 11. Removal steps of LCD front cover (continued) Remove the hinge cover and strip cover in the direction shown by arrows...
Lenovo Yoga 3 14 1120 Mic board, LCD cover, and hinges For access, remove these FRUs in order: • “1010 Base cover” on page 33 • “1020 Battery pack” on page 35 • “1030 Hard disk drive” on page 36 •...
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Lenovo Yoga 3 14 Hardware Maintenance Manual Figure 12. Removal steps of Mic board, LCD cover, and hinges (continued) Adjust the hinges in the direction shown by arrows . Then remove the hinge rubbers and pull out the cables. Remove screw .
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Lenovo Yoga 3 14 Figure 12. Removal steps of Mic board, LCD cover, and hinges (continued) Remove the screws , then remove the hinges in the directions shown by arrows Step Screw (quantity) Color Torque M2.5 × 2.5 mm, flat-head, S lver 3.0+/-0.3 kgf.cm...
Lenovo Yoga 3 14 Hardware Maintenance Manual 1130 LCD module For access, remove these FRUs in order: • “1010 Base cover” on page 33 • “1020 Battery pack” on page 35 • “1030 Hard disk drive” on page 36 • “1040 PCI Express Mini Card for wireless LAN” on page 39 •...
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Lenovo Yoga 3 14 Figure 13. Removal steps of LCD module (continued) Lift the camera slightly . Unplug the integrated camera connector in the direction shown by arrow . Remove the integrated camera from the LCD module. Disconnect the connector in the direction shown by arrow...
Lenovo Yoga 3 14 Hardware Maintenance Manual Locations Front view and right-side view Integrated camera (on select models) Multi-touch screen Windows button Built-in microphones Wireless LAN antennas Touch pad Battery status indicator Power button and power status indicator Note: For the description of each indicator, see “Status indicators” on page 29.
Lenovo Yoga 3 14 Hardware Maintenance Manual Parts list This section presents the following service parts: • “Overall” on page 60 • “LCD FRUs” on page 64 • “Keyboard” on page 66 • “Miscellaneous parts” on page 68 • “Screw” on page 68 •...
See “Miscellaneous parts” on page 68. LCD unit (see “LCD FRUs” on page 64.) Keyboard (see “Keyboard” on page 66.) Upper Case L Yoga 3 14 B W/KB HG 5CB0H35638 Upper Case L Yoga 3 14 B W/KB USA...
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Table 4. Parts list—Overall (continued) No. FRU FRU no. CRU ID. Upper Case L Yoga 3 14 W W/KB KO 5CB0H35626 Upper Case L Yoga 3 14 W W/KB FR 5CB0H35642 Upper Case L Yoga 3 14 W W/KB JA...
Lenovo Yoga 3 14 LCD FRUs In Lenovo Yoga 3 14, the type of LCD is 13.3-inch high definition (HD).
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5D10H35588 MIC Board L Yoga 3 14 5C50H35683 Hinge Rubber L Yoga 3 14 5T10H35595 LCD Bezel Scerw Pad L Yoga 3 14 5T10H41045 Bezel Cover L Yoga 3 14 L+R+S 5T10H35639 LCD 14.0“ FHD LGD LP140WF3-SPL2 FHD AG 5D10G69059 S NB LCD 14.0“...
Lenovo Yoga 3 14 Keyboard Table 6. Parts list—Keyboard Language CRU ID. English SN20G60046 English B SN20G60058 U.K. English SN20G60040 Italian SN20G60089 Spanish SN20G60071 Turkish SN20G60054 Thai SN20G60057 Portuguese SN20G60041 Latin SN20G60088 Canadian Bilingual (En+Fr) SN20G60072 Korean SN20G60056 Traditional Chinese...
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Lenovo Yoga 3 14 Hardware Maintenance Manual Table 6. Parts list—Keyboard (continued) Language CRU ID. Brazilian SN20G60087 Japanese SN20G60070 Dutch SN20G60033 Greek SN20G60077 Hebrew SN20G60062 Hungarian SN20G60044 Nordic SN20G60091 Darfon KB (Backlight) Belgian SN20G60074 (continued) Icelandic SN20G60079 Slovenian SN20G60065 Swiss...
Lenovo Yoga 3 14 Miscellaneous parts Table 7. Parts list—Miscellaneous parts CRU ID. System miscellaneous parts: • ( a ) HDD Bracket L Yoga 3 14 L+R 5B40H35645 Cable miscellaneous parts: • ( b ) HDD FFC L Yoga 3 14 5C10H35669 Note: Italicized letters in parentheses are references to the exploded view in “Overall”...
Lenovo Yoga 3 14 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—2-pin power cords Region CRU ID. USB Power Cord Fool proof USB cord, Linetek fool proof 145500119 USB 1.85m USB cord...
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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 Microsoft Corporation in the United States, other countries, or both.