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Lenovo Yoga 3 14

1. 23 Restoring the factory contents by using OneKey Recovery Restore of factory default Passwords Power on password Hard disk password Supervisor password Power management Screen blank state Putting the computer to sleep or shutting it down Putting your computer to sleep Shutting down the computer Lenovo Yoga 3 14 Specifications Status indicators Fn key combinations FRU replacement notices Screw notices Removing and replacing an FRU 1010 Base cover 1020 Battery pack 1030 Hard disk drive 1040 PCI Express Mini Card for wireless 1050 DIMM 1060 Fan assembly and heat sink assembly 42 1070 LCD unit a 1080 System boar 1090 Speakers 1100 Power assembly and lO board 1110 LCD front cover 1120 Mic board LCD cover and hinges 1130 LCD module Locations Front view and right side view Bottom and Left side view Parts list Overall LCD FRUs Keyboard Miscellaneous parts AC adapters Power cords Notices Trademarks lii 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 comp
2. Ensure that another person familiar with the power off controls is near you Attention Another person must be there to switch off the power if necessary Use only one hand when working with powered on electrical equipment keep the other hand in your pocket or behind your back Attention 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 frames Observe the special safety precautions when you work with very high voltages instructions for these precautions are in the safety sections of maintenance information Be extremely careful when you measure the high voltages Regularly inspect and maintain your electrical hand tools for safe operational condition Do not use worn or broken tools and testers Never assume that power has been disconnected from a circuit First check it to make sure that it has been powered off 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 elec
3. Before replacing any FRU review FRU replacement notices on page 31 Begin by removing any FRUs that have to be removed before the failing FRU Any of such FRUs are listed at the top of the page Remove them in the order in which they are listed Follow the correct sequence in the steps to remove the FRU as given in the figures by the numbers in square callouts When turning a screw to replace an FRU turn it in the direction as given by the arrow in the figure When removing the FRU move it in the direction as given by the arrow in the figure To put the new FRU in place reverse the removal procedures and follow any of the notes that pertain to replacement For information about connecting and arranging internal cables see Locations on page 58 When replacing an FRU use the correct screw as shown in the procedures A DANGER Before removing any FRU turn off the computer unplug all power cords from electrical outlets remove the battery pack and then disconnect any of the interconnecting cables 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 Attention The system board is sensitive to and can be damaged by electrostatic discharge Before
4. Korean Traditional Chinese Russian French German Arabic Brazilian Japanese Dutch Greek Hebrew Hungarian Nordic Belgian Icelandic Slovenian Swiss US international Czech amp Slovak Bulgarian India English English B U K English Italian Spanish Turkish Thai Portuguese Latin Canadian Bilingual En Fr Korean Traditional Chinese Russian French German Arabic Lenovo Yoga 3 14 P N SN20G60046 SN20G60058 SN20G60040 SN20G60089 SN20G60071 SN20G60054 SN20G60057 SN20G60041 SN20G60088 SN20G60072 SN20G60056 SN20G60038 SN20G60086 SN20G60085 SN20G60082 SN20G60067 SN20G60050 SN20G60034 SN20G60081 SN20G60066 SN20G60048 SN20G60032 SN20G60078 SN20G60063 SN20G60045 SN20G60053 SN20G60037 SN20G60084 SN20G60069 SN20G60052 SN20G60036 SN20G60083 SN20G60068 SN20G60051 SN20G60035 SN20G60080 SN20G60064 SN20G60061 SN20G60047 SN20G60092 SN20G60076 SN20G60059 SN20G60042 SN20G60090 SN20G60073 SN20G60055 SN20G60039 CRU ID Z Z zjzjz zjz zzjzzzzzjzzzzzjzzjz zzjzzjz zzjzzjzizjzizzjzizzjzzizizziziz 67 V A Lenovo Yoga 3 14 Hardware Maintenance Manual 68 Table 6 Parts et Keyboard continued Language Darfon KB Backlight continued Sunrex KB Backlight Brazilian Japanese Dutch Greek Hebrew Hungarian Nordic Belgian Icelandic Slovenian Swiss US international Czech amp Slovak Bulgarian India English English B U K English Italian Spanish Turkish Th
5. RAY RYT V OBEIMES C Ya LEV SEIL T YA JEE en D tt 0 PIA ERA TLI DR BES KEE ET Aunque las baterias principales tienen un voltaje bajo una bateria cortocircuitada o con contacto a tierra puede producir la corriente suficiente como para quemar material combustible o provocar quemaduras en el personal About this manual Safety notice 8 A 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 unit remplagable en client le mettez le syst me hors tension d branchez tous les cordons d alimentation des socles de prise de courant retirez la batterie et d connectez tous les cordons d interface Die Stromzufuhr mu abgeschaltet alle Stromkabel aus der Steckdose gezogen der Akku entfernt und alle Verbindungskabel abgenommen sein bevor eine FRU entfernt wird JANA NN Maa v 1099 FRU 71990 199 NOLIN INUNA IPN DAWN 9939 53 NN PN DANN 5535n 1922 p15 IN N9910 N VINA NN MIND V ON 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 FRU E V IFRI ThinkPad DEREWIT rg Feat YRDEALTC REV KIT NYTY NGI BIL HERB TV BALTES Antes de quitar una FRU apague el sistema desenchufe todos los cables de las tomas de corriente el ctrica quite l
6. PCIE M 2 WLAN V2 8 WLAN Non Intel WIFI 1x1 AC BT4 0 Ltn NFA345 1x1AC BT4 0 PCIE M 2 WLAN V2 8 WLAN Non Intel WIFI 2x2 AC BT4 0 Cbt BCM4352 2x2AC BT4 0 PCIE M 2 WLAN 8 WLAN Non Intel WIFI 2x2 AC BT4 0 Ltn NFA344 2x2AC BT4 0 PCIE M 2 WLAN V2 8 WLAN Non Intel WIFI 1X1 BGN BT4 0 Non Intel Ltn HFA335 1x1BN BT4 0 PCIE M 2 WLAN 9 Thermal Module L Yoga 3 14 DIS 9 Thermal Module L Yoga 3 14 UMA 10 Dummy Fan L Yoga 3 14 11 Speaker L Yoga 3 14 L R 12 10 Board L Yoga 3 14 W C 13 DC IN Cable L Yoga 3 14 14 Lower Case L Yoga 3 14 Black 14 Lower Case L Yoga 3 14 White 14 Lower Case L Yoga 3 14 Silver 14 Lower Case L Yoga 3 14 Orange 14 ZIVYO Lower Case Organge FRU no 11202081 11202706 11202125 5M30G75129 11202082 11202707 11201304 11202450 SW10A11511 20200573 SW10A11586 SW10A11628 20200480 SW10A11630 20200558 5H40H35615 5H40H35610 5T10H35641 5SB0H35643 5C50H35680 5C10H35647 5CB0H35598 5CB0H35636 5CB0H35633 5CB0H35613 90205122 CRU ID z Z Z 2 2 2 2 2 2 2 2 2 Z Lenovo Yoga 3 14 LCD FRUs In Lenovo Yoga 3 14 the type of LCD is 13 3 inch high definition HD 65 Lenovo Yoga 3 14 Hardware Maintenance Manual 66 Table 5 Parts list 13 3 inch LCD FRUs No FRU DD Om E DN A o O O Oo HJA 10 11 12 12 12 12 LCD Module L Yoga 3 14 W Bezel MIC Board L Yoga 3 14 Hinge Rubber L Yoga 3 14 LCD Bezel Scerw Pad L Yoga 3 14 Bezel Cover L
7. SSD SSD 2 5 5mm 256G Samsung MZYTE256HMHP 2 5 5mm SSD SSD 2 5 5mm 256G Liteon LDS 256L9S 256GB 2 5 SSD 2 5 5mm 256G Ramaxel RTNMB256VBM8EWXL 2 5 256GB 5mm SSD Lenovo Yoga 3 14 FRU no 5CB0H35626 5CB0H35642 5CB0H35651 5CB0H35650 5CB0H35648 5CB0H35646 5CB0H35664 5CB0H35672 5CB0H35670 5CB0H35665 5CB0H35666 5CB0H35661 5CB0H35658 5CB0H35655 5CB0H35673 5CB0H35671 5CB0H35600 5B10G75095 5B10G84689 5B20H42130 5B20H42129 5B20H42131 5B20H42133 5B20H42132 5B20H42134 16200661 5SD0G58919 5SD0G54240 5SD0G84636 5SD0G58918 5SD0G54239 5SD0G84635 CRU Z ziziz z zizjzzjzizjzjzzizizzz Z Zjziz z zizj Z ID 63 Lenovo Yoga 3 14 Hardware Maintenance Manual 64 Table 4 Parts list Overall continued No FRU 7 Memory 4GB DDR3L 1600 M471B5173DB0 YKO T Memory 4GB DDR3L 1600 HMT451S6BFR8A PB RD 4GB DDR3L 1600 7 Memory 4GB DDR3L 1600 MT8KTF51264HZ 1G6E1 4GB DDR3L 1600 7 Memory 4GB DDR3L 1600 RMT3170MN68F9F 1600 4GB DDR3L 1600 7 Memory 8GB DDR3L 1600 M471B1G73DB0 YKO 7 Memory 8GB DDR3L 1600 HMT41GS6BFR8A PB RD 8GB DDR3L 1600 7 Memory 8GB DDR3L 1600 MT16KTF1G64HZ 1G6E1 8GB DDR3L 1600 i Memory 8GB DDR3L 1600 RMT3160ME68FAF 1600 8GB DDR3L 1600 8 WLAN Intel WIFI 1x1 AC BT4 0 Intel 3160 1x1AC BT PCIE M 2 ROM WLAN 8 WLAN Non Intel WIFI 1x1 AC BT4 0 Cbt BCM43162 1x1AC BT4 0 PCIE M 2 WLAN 8 WLAN Non Intel WIFI 1x1 AC BT4 0 Cbt BCM43162 1x1AC BT4 0
8. Turn off the computer Connect the AC adapter Make sure that power is supplied when you turn on the computer Turn off the computer Disconnect the AC adapter Make sure that the battery pack supplies power when you turn on the computer C e An MS If you suspect a power problem see the appropriate power supply checkout Checking the AC adapter on page 21 Checking operational charging on page 21 Checking the AC adapter You are here because the computer fails only when the AC adapter is used e f 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 Pin Voltage V DC 3 1 20 Pc e Note Output voltage for the AC adapter pin No 2 may differ from the one you are servicing 3 Ifthe voltage is not correct replace the AC adapter 4 If the voltage is acceptable do the following Replace the system board Ifthe problem persists go to Lenovo Yoga 3 14 on page 27 Note Noise from the AC adapter does not always indicate a defect Checking operational charging To check whether the battery charges properly during operation use a dischar
9. gefahrliche Laserstrahlung auftreten Az itt eldirt elj r sokt l beallitasoktol s vez rl sekt l elt rni a lezersugarzas vesz lye miatt kockazatos L utilizzo di controlli regolazioni o l esecuzione di procedure diverse da quelle specificate possono provocare l esposizione a McnonbaoBaHue anemenTOB Hacrpolku N BbITIO IHeHMe MPOUEMYp VHbIX 4EM yKa3aHo 3Hecb MOXET NPUBECTU K OMACHOMY pagnaunoHHomy o060ny4eHuto Pou itie kontrol uprav alebo inych vykonan od inych vyrobcov ako je v tomto Specifikovan mohlo by mat za n sledok nebezpe enstvo vystavenia sa vyZiarovaniu KE aed Uri PACO BEARICLS Ei MB ETA ITO ERA VIED OR D EDR Dt ES El uso de controles o ajustes o la ejecuci n de procedimientos distintos de los aqu especificados puede provocar la exposici n a radiaciones peligrosas Opening the CD ROM drive the DVD ROM drive or any other optical storage device could result in exposure to hazardous laser radiation There are no serviceable parts inside those drives Do not open 14 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 N 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 Radiag o por raio laser ao abrir Nao olhe fixo no feixe de luz n o ol
10. n en exposez pas le contenu l eau Mettez la pile au rebut conform ment la r glementation en vigueur Une pile inappropri e risque de prendre feu ou d exploser Die Systembatterie ist eine Lithiumbatterie Sie kann sich entz nden explodieren oder schwere Verbrennungen hervorrufen Batterien dieses Typs d rfen nicht aufgeladen zerlegt ber 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 rtlichen Bestimmungen f r Sonderm ll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgef hrt ist Der Einsatz falscher Batterien kann zu Entz ndung oder Explosion f hren JN MADONNA NOW 015 AdIDY DAMIAN NINO 220105 NN p5v5 WINN AMIN PSU PN MVP mas 151025109 ANN DHNI IN NMIN 7595 n5v 30175 PNI AINON NN WIT PR DIIIS MIY 100 99 NIYA VAINI nb5Yon NN p5v5 W DNY xnn VIN nx PUNI AINA p WANWN W BYAIPAN OPINA MPN AIND WVU DPA DPIN DYVI NWI msstann IN NDIY MIVI 01025 5129 NINN La batteria di supporto e una batteria al litio e puo incendiarsi esplodere o procurare gravi ustioni Evitare di ricaricarla smontarne il connettore polarizzato smontarla riscaldarla ad una temperatura superiore ai 100 gradi centigradi incendiarla o gettarla in acqua Smaltirla secondo la normativa in vigore DPR 915 82 successive disposizioni e disposizioni locali L
11. 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 1050 DIMM on page 41 1060 Fan assembly and heat sink assembly on page 42 1070 LCD unit on page 44 1080 System board on page 46 1090 Speakers on page 49 1100 Power assembly and IO board on page 50 Figure 12 Removal steps of Mic board LCD cover and hinges Unplug the Mic board connector in the direction shown by arrow Bill Remove the Mic board in the direction shown by arrow A 53 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 El Then remove the hinge rubbers EJ and pull out the cables Color Torque P N Silver 1 84 0 15 kgf cm 5S10H41040 Step Screw quantity M2 x 4 mm flat head nylok coated 1 LCD bezel to LCD cover 54 Lenovo Yoga 3 14 Figure 12 Removal steps of Mic board LCD cover and hinges continued Remove the screws Bl then remove the hinges in the directions shown by arrows fb Color Torque P N Step Screw quantity Silver 3 0 0 3 kgf cm 5S10H41041 Ei M2 5 x 2 5 mm flat head nylok coated 6 Hinge BKT to LCD cover 55 Lenovo Yoga 3 14 Hardware Maintenance Manual 56 1130 LCD module For access remove these FRUs in orde
12. touching it establish personal grounding by touching a ground point with one hand or using an electrostatic discharge ESD strap P N 6405959 to remove potential shock reasons Lenovo Yoga 3 14 1010 Base cover Figure 1 Removal steps of base cover Remove the screws ll Then remove the base cover El Color Torque P N Step Screw quantity Silver 1 84 0 15 kgf cm 5S10H41038 M2 x 6 mm flat head nylok coated 11 Lower to Upper 33 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 labels The following labels need to be peeled off from the old base cover and put on the new base cover China Rating label or WW Rating label Rating label print BRAZIL BT WLAN label for Brazil or Israel label or WLAN label for Malaysia or BT label for Malaysia or BT label for US CA TW Indonesia or WLAN label for US CA TW Indonesia Indonesia D side label KCC label BIS label For some models you also need to apply one or two FCC labels Check the old base cover if it has one or two FCC labels find duplicates of them in the label kit and apply them to the new base cover For the location of each label refer to the following figure 00000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000
13. 00000 34 Lenovo Yoga 3 14 1020 Battery pack For access remove this FRU 1010 Base cover on page 33 A 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 Bl and remove the screws El Then remove the battery pack in the direction shown by arrow El Step Screw quantity Color Torque P N M2 x 3 5 mm flat head Black 1 8 0 15 kgf cm 5810H41042 nylok coated 4 Bty to Upper When installing Make sure that the battery connector is attached firmly 35 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 Never remove the drive while the system is operating or is in suspend mode Figure 3 Removal steps of hard disk drive Detach the HDD connector in the direction shown by arrows Bill and El 36 Lenovo Yoga 3 14 Figure 3 Removal steps of hard disk drive continued R
14. 1 1060 Fan assembly and heat sink assembly on page 42 1070 LCD unit on page 44 46 Lenovo Yoga 3 14 Figure 8 Removal steps of system board Remove screw lll Detach keyboard connector touch pad connector and IO board connector in the directions shown by arrows PB and El Disconnect camera connector in the direction shown by arrow El Unplug DC IN connector in the direction shown by arrow El When installing Make sure that all the connectors are attached firmly Step Screw quantity Color Torque P N M2 x 3 5 mm flat head Black 1 8 0 15 kgf cm 5S10H41042 nylok coated 1 MB to Upper 47 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 ff 48 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 1050 DIMM on page 41 1060 Fan assembly and heat sink assembly on page 42 1070 LCD unit on page 44 1080 System board on page 46 Figure 9 Removal steps of speakers Unplug connector Wl Lift the speakers in the direction shown by arrows B When installing Make sure that the connectors are attached firmly 49 Lenovo Yoga 3 14 Hardware Maintenance Manual 1100 Power assembly and
15. 21 5CB0H35634 5CB0H35632 5CB0H35630 5CB0H35625 5CB0H35631 CRU ID ZiZjZziz z zziz z zizzzizizzzzjzjzzjzzzzizzzizzzizizzizzjzjzzizjzzziz z zz Table 4 Parts list Overall continued No FRU BR 000000200200 Q0 Q0 Q0 O0 C0 Q0 Q0 O0 WWW Ww 0 Om Oo Om Oo Om Om R o Upper Case L Yoga 3 14 W W KB KO Upper Case L Yoga 3 14 W W KB FR Upper Case L Yoga 3 14 W W KB JA Upper Case L Yoga 3 14 W W KB RU Upper Case L Yoga 3 14 W W KB TR Upper Case L Yoga 3 14 W W KB IT Upper Case L Yoga 3 14 W W KB USI Upper Case L Yoga 3 14 W W KB ICE Upper Case L Yoga 3 14 W W KB SA Upper Case L Yoga 3 14 W W KB DU Upper Case L Yoga 3 14 W W KB GR Upper Case L Yoga 3 14 W W KB CZ Upper Case L Yoga 3 14 W W KB SW Upper Case L Yoga 3 14 W W KB TI Upper Case L Yoga 3 14 W W KB HE Upper Case L Yoga 3 14 W W KB PO Upper Case L Yoga 3 14 W W KB US Battery Polymer cell battery 252P 4cell 7 4V 45Wh Haydn SP A L14M4P72 7 4V45Wh4cell Div Battery Polymer cell battery 252P 4cell 7 4V 45Wh Haydn SY L14S4P72 7 5V45Wh4cell bty MB L YOGA 3 14 NOK 13 4030U UMA MB L YOGA 3 14 W8S 13 4030U UMA MB L YOGA 3 14 W8P 13 4030U UMA MB L YOGA 314 NOK 13 4030U 2G D MB L YOGA 314 W8S 13 4030U 2G D MB L YOGA 314 W8P 13 4030U 2G D SSHD 5mm 500G 8GB ST500LX012 5mm 5400rpm 500G 8GB SSHD SSD 2 5 5mm 128G Samsung MZYTE128HMGR 2 5 5mm SSD SSD 2 5 5mm 128G Liteon LDS 128L9S 128GB 2 5 SSD 2 5 5mm 128G Ramaxel RTNMB128VBM4EWXL 2 5 128GB 5mm
16. AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF NON INFRINGEMENT MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Some jurisdictions do not allow disclaimer of express or implied warranties in certain transactions therefore this statement may not apply to you This information could include technical inaccuracies or typographical errors Changes are periodically made to the information herein these changes will be incorporated in new editions of the publication Lenovo may make improvements and or changes in the product s and or the program s described in this publication at any time without notice The products described in this document are not intended for use in implantation or other life support applications where malfunction may result in injury or death to persons The information contained in this document does not affect or change Lenovo product specifications or warranties Nothing in this document shall operate as an express or implied license or indemnity under the intellectual property rights of Lenovo or third parties All information contained in this document was obtained in specific environments and is presented as an illustration 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 Any references in this
17. G68675 5A10G68679 5A10G68684 5A10G68670 5A10G68674 5A10G68678 5A10G68682 5A10G68689 5A10G68669 5A10G68676 5A10G68681 5A10G68686 5A10G68688 5A10G68668 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 P N CRU ID USB Power Cord Fool proof USB cord Linetek fool proof 145500119 USB 1 85m USB cord USB Power Cord Fool proof USB cord Luxshare fool 145500121 pi proof USB 1 85m USB cord 71 Lenovo Yoga 3 14 Hardware Maintenance Manual Lenovo may not offer the products services or features discussed in this document in all countries Consult your local Lenovo representative for information on the products and services currently available in your area Any reference to a Lenovo product program or service is not intended to state or imply that only that Lenovo product program or service may be used Any functionally equivalent product program or service that does not infringe any Lenovo intellectual property right may be used instead However it is the user s responsibility to evaluate and verify the operation of any other product program or service Lenovo may have patents or pending patent applications covering subject matter described in this document The furnishing of this document does not give you any license to these patents LENOVO GROUP LTD PROVIDES THIS PUBLICATION
18. If you forget the password there is no service procedure to reset the password The system board must be replaced for a scheduled fee 24 Related service information Power management 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 You can also turn off the LCD backlight by pressing ER To end screen blank state and resume normal operation press EI 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 Putting your computer to sleep If you will be away from your computer 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 Open the charms bar and then select Settings E Power Sleep Note Put your computer to sleep before you move it Moving your computer while the hard disk drive is spinning can damage the hard disk causing loss of data To wake the computer do one of the following Press any key on the keyboard Notebook mode o
19. Strategy for replacing FRUs on page 16 Strategy for replacing a hard disk drive on page 17 Important notice for replacing a system board on page 17 Important information about replacing RoHS compliant FRUs on page 18 Important BIOS and device driver fixes are customer installable The BIOS and device drivers are posted on the customer support site http support lenovo com Strategy for replacing FRUs for replacing FRUs Before replacing parts Make sure that all software fixes drivers and BIOS downloads are installed before replacing any FRUs listed in this manual After a system board is replaced ensure that the latest BIOS is loaded to the system board before completing the service action To download software fixes drivers and BIOS 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 the screen and install the necessary software 16 Important service information Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs f you are instructed to replace an FRU but the replacement does not solve the problem reinstall the original FRU before you continue Some computers have both a processor board and a system board If you are instructed to replace either of them and replacing
20. Yoga 3 14 L R S LCD 14 0 FHD LGD LP140WF3 SPL2 FHD AG S NB LCD 14 0 FHD INX N140HCE EBA FHD AG S NB Touch Screen panel Touch Only SLC 140000AKM OGS EL YOGA314 TSP Touch Screen panel Touch Only WTK DFL140V5a OGS EL YOGA314 TSP Touch Panel module 14 0 Glossy type White LED panel amp touch WTK LGD 140FHD DFL140V5a El OGS Touch Panel module 14 0 Glossy type White LED panel amp touch SLC LGD 140FHD 140000AKF El OGS Touch Panel module 14 0 Glossy type White LED panel amp touch SLC INX 140FHD 140000BKF El OGS Antenna L Yoga 3 14 Sensor Board L Yoga 3 14 Camera L Yoga 3 14 Camera HD 720P camera BIS BN9R1DVS9 HD NB camera Camera HD 720P camera LTN 4BF108N2 HD NB camera Hinge L Yoga 3 14 L R EDP Cable L Yoga 3 14 LCD Cover L Yoga 3 14 White LCD Cover L Yoga 3 14 Silver LCD Cover L Yoga 3 14 Orange LCD Cover L Yoga 3 14 Black FRU no 5D10H35588 5C50H35683 5T10H35595 5T10H41045 5T10H35639 5D10G69059 5D10G74846 5T50H00216 5T50H00214 5DM0G74716 5DM0G74715 5DM0G74717 5C10H35589 5C50H35601 5C20H35686 5C20G81145 5C20G89269 5H50H35677 5C10H35682 5CB0H35676 5CB0H35681 5CB0H35679 5CB0H35678 CRU ID Z Z 2 Z 2 2 2 2 z Z z z z Z Z z z z zZ Z Z Keyboard Table 6 Parts list Keyboard Language Chicony KB Backlight Darfon KB Backlight English English B U K English Italian Spanish Turkish Thai Portuguese Latin Canadian Bilingual En Fr
21. a 3 14 Bottom and Left side view ll Speakers Ventilation slots Memory card slot Combo audio jack USB 3 0 port Bl AC power adapter jack 59 Lenovo Yoga 3 14 Hardware Maintenance Manual Parts ist A 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 AC adapters on page 69 Power cords on page 70 Notes Each FRU is available for all types or models unless specific types or models are specified 60 Lenovo Yoga 3 14 Overall 61 Lenovo Yoga 3 14 Hardware Maintenance Manual 62 Table 4 Parts list Overall No FRU a d See Miscellaneous parts on page 68 WWWWWWWWWWWWWWWWWWWWWWWWWW Q0 Q0 Q0 C0 Q0 CO Q0 Q0 Q0 C0 C0 C0 Q0 C0 C0 C0 C0 CO ON LCD unit see LCD FRUS on page 64 Keyboard see Keyboard on page 66 Upper Case L Yoga 3 14 B W KB HG Upper Case L Yoga 3 14 B W KB USA Upper Case L Yoga 3 14 B W KB LA Upper Case L Yoga 3 14 B W KB ND Upper Case L Yoga 3 14 B W KB BU Upper Case L Yoga 3 14 B W KB BZ Upper Case L Yoga 3 14 B W KB AR E Upper Case L Yoga 3 14 B W KB SP Upper Case L Yoga 3 14 B W KB GK Upper Case L Yoga 3 14 B W KB UK Upper Case L Yoga 3 14 B W KB EF Upper Case L Yoga 3 14 B W KB IN Upper Case L Yoga 3 14 B W KB TC Upper Case L Yoga 3 14 B W KB BE Upper Case L Yoga 3 14 B W KB KO Upper Case L Y
22. a bater a y a continuaci n desconecte cualquier cable de conexi n entre dispositivos 13 Lenovo Yoga 3 14 Hardware Maintenance Manual Laser compliance statement 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 to conform to the requirements of the Department of Health and Human Services 21 Code of Federal Regulations DHHS 21 CFR Subchapter J for Class 1 laser products Elsewhere the drive is certified to conform to the requirements of the International Electrotechnical Commission IEC 825 and CENELEC EN 60 825 for Class 1 laser products If a CD ROM drive a DVD ROM drive or another laser device is installed note the following A 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 resultar em perigosa exposi o radia o AAA MEARE WEE TA SSR RAR Pour viter tout risque d exposition au rayon laser respectez les consignes de r glage et d utilisation des commandes ainsi que les proc dures d crites Werden Steuer und Einstellelemente anders als hier festgesetzt verwendet kann
23. a quantit di nichel e cadmio Non smontarle ricaricarle gettarle nel fuoco o nell acqua n cortocircuitarle Smaltirle secondo la normativa in vigore DPR 915 82 successive disposizioni e disposizioni locali Quando si sostituisce la batteria dell RTC real time clock o la batteria di supporto 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 PAY TU OPI ROH yua FR VARBREENTWS BOBS V X3 Lat TRENIT I ON HAM KEIKO OBE Xuza bisu5 cHRUCGIDARCCQEsRv 70vy7T EEBES S We Demos FED TS PERV Biz YARDAS Y RIFEEALTCR SEV Roky YET E Sv 7 kg E KLEN RELEVO ES Algunas bater as de reserva contienen una peque a cantidad de n quel y cadmio No las desmonte ni recargue ni las eche al fuego o al agua ni las cortocircuite Des chelas tal como dispone la normativa local Utilice s lo bater as que se encuentren en la lista de piezas La utilizaci n de una bater a no apropiada puede provocar la ignici n o explosi n de la misma About this manual Safety notice 3 A 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 igniti
24. ai Portuguese Latin Canadian Bilingual En Fr Korean Traditional Chinese Russian French German Arabic Brazilian Japanese Dutch Greek Hebrew Hungarian Nordic Belgian Icelandic Slovenian Swiss US international Czech amp Slovak Bulgarian India P N SN20G60087 SN20G60070 SN20G60033 SN20G60077 SN20G60062 SN20G60044 SN20G60091 SN20G60074 SN20G60079 SN20G60065 SN20G60049 SN20G60093 SN20G60075 SN20G60060 SN20G60043 SN20G91264 SN20G91247 SN20G91267 SN20G91251 SN20G91269 SN20G91254 SN20G91243 SN20G91259 SN20G91246 SN20G91263 SN20G91252 SN20G91270 SN20G91255 SN20G91260 SN20G91245 SN20G91262 SN20G91249 SN20G91266 SN20G91250 SN20G91268 SN20G91253 SN20G91240 SN20G91256 SN20G91242 SN20G91258 SN20G91241 SN20G91257 SN20G91244 SN20G91261 SN20G91248 SN20G91265 CRU ID Z Z zizjzjzjzjz zjzjzjzjzzjzjz zjzjzjzjz zjzjzzjz jzjzzjzjzzjzjzjzjzzjzzjzjzjz zjzziz Lenovo Yoga 3 14 Miscellaneous parts Table 7 Parts list Miscellaneous parts FRU P N 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 on page 60 Screw Table 8 Parts list screws FRU P N CRU ID Screw L Yoga3 14Hinge to Lcd Cover 5810H41041 N Screw L Yoga3 14Hinge BZL to ACover 5810H41040 N Screw L Yoga3 14HDD FAN BTY MBtoUPC 5S10H41042 N Scr
25. dapter Delta ADL65WDA 20V 5V 3 25A 65W adp Adapter Delta ADL65WDJ 20V 5V 3 25A 65W adp Adapter Delta ADL65WDB 20V 5V 3 25A 65W adp Adapter Delta ADL65WDD 20V 5V 3 25A 65W adp Adapter Delta ADL65WDG 20V 5V 3 25A 65W adp Adapter Delta ADL65WDE 20V 5V 3 25A 65W adp Adapter Delta ADL65WDC 20V 5V 3 25A 65W adp Adapter Delta ADL65WDH 20V 5V 3 25A 65W adp Adapter Liteon ADL65WLA 20V 5V 3 25A 65W adp Adapter Liteon ADL65WLB 20V 5V 3 25A 65W adp Adapter Liteon ADL65WLC 20V 5V 3 25A 65W adp Adapter Liteon ADL65WLD 20V 5V 3 25A 65W adp Adapter Liteon ADL65WLE 20V 5V 3 25A 65W adp Adapter Liteon ADL65WLF 20V 5V 3 25A 65W adp Adapter Liteon ADL65WLG 20V 5V 3 25A 65W adp Adapter Liteon ADL65WLH 20V 5V 3 25A 65W adp Adapter Chicony ADL65WCA 20V 5V 3 25A 65W adp Adapter Chicony ADL65WCB 20V 5V 3 25A 65W adp Adapter Chicony ADL65WCC 20V 5V 3 25A 65W adp Adapter Chicony ADL65WCD 20V 5V 3 25A 65W adp Adapter Chicony ADL65WCE 20V 5V 3 25A 65W adp Adapter Chicony ADL65WCF 20V 5V 3 25A 65W adp Adapter Chicony ADL65WCG 20V 5V 3 25A 65W adp Adapter Chicony ADL65WCH 20V 5V 3 25A 65W adp P N 36200561 36200562 36200563 36200564 36200565 36200566 36200567 36200616 36200572 36200573 36200574 36200575 36200576 36200577 36200578 36200617 36200579 36200580 36200581 36200582 36200583 36200584 36200585 36200618 5A10G68690 5A10G68691 5A10G68680 5A10G68683 5A10G68685 5A10G68687 5A10G68671 5A10G68673 5A10G68677 5A10G68672 5A10
26. e la carte d alimentation Aus Sicherheitsgriinden die Kunststoffabdeckung die den unteren Teil der Spannungswandlerplatine umgibt nicht entfernen PDO nv3n NN PONY PN UDO snd 75 NAAN 990995 SY PONIA IPIN DN van Per evitare scosse elettriche non rimuovere la copertura in plastica che avvolge la parte inferiore della scheda invertitore RBS CRD TV i I D KO TERE Ch IAF YZ D CES S RN EV Para evitar descargas no quite la cubierta de pl stico que rodea la parte baja de la tarjeta invertida Safety notice 7 N 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 lev le court circuit ou la mise la masse d une batterie peut produire suffisamment de courant pour br ler des mat riaux combustibles ou causer des br lures corporelles graves Obwohl Hauptbatterien eine niedrige Spannung haben k nnen sie doch bei Kurzschluf oder Erdung genug Strom abgeben um brennbare Materialien zu entz nden oder Verletzungen bei Personen hervorzurufen DINO TA nna MOYA 1n IPUNIN MONDAY YN NANAY PAVN DIT PAN ANDY DINA IN NISIPA 097999 BAHAIN nnsn IN nv Sebbene le batterie di alimentazione siano a basso voltaggio una batteria in corto circuito o a massa pu fornire corrente sufficiente da bruciare materiali combustibili o provocare ustioni ai tecnici di manutenzione
27. efore returning the machine to the customer Fan louvers on the machine help to prevent the overheating of internal components Do not obstruct fan louvers or cover them with labels or stickers About this manual Electrical safety 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 If an electrical accident occurs you can then operate the switch or unplug the power cord quickly Do not work alone under hazardous conditions or near the equipment that has hazardous voltages Disconnect all power before Performing a mechanical inspection Working near power supplies Removing or installing main units Before you start to work on the machine unplug the power cord If you cannot unplug it ask the customer to power off the wall box that supplies power to the machine and to lock the wall box in the off position f you need to work on a machine that has exposed electrical circuits observe the following precautions
28. emove the frame fixing screws J Remove the hard disk drive in the direction shown by arrow EI Step Screw quantity Color Torque P N M2 x 3 5 mm flat head Black 1 8 0 15 kgf em 5S10H41042 nylok coated 4 HDD to Upper 37 Lenovo Yoga 3 14 Hardware Maintenance Manual Figure 3 Removal steps of hard disk drive continued Remove four screws BH and detach the metal frame from the hard disk drive NG y Step Screw quantity Color Torque P N M3 0 x 3 0 mm flat head Silver 1 8 0 15kgf cm 5S10H41043 nylokcoated 4 HDD to HDD BRKT When installing Make sure that the HDD connector is attached firmly 38 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 Disconnect the two wireless LAN cables black white ll and then remove the screw El Step Screw quantity Color Torque P N M2 x 2 5 mm flat head Black 1 84 0 15 kgf cm 5S10H41039 nylok coated 1 WLAN to Upper Remove the card in the direction shown by arrow El 39 Lenovo Yoga 3 14 Hardware Maint
29. enance Manual 40 Figure 4 Removal steps of PCI Express Mini Card for wireless LAN continued In step lll unplug the jacks by using the removal tool antenna RF connector P N 08K7159 or pick up the connectors with your fingers and gently unplug them in the direction shown by the arrows Notes The wireless LAN card has 2 cables in step Bill The wireless LAN card in some models might have 3 cables in step Bil When installing In models with a wireless 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 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 Release the two latches on both edges of the socket at the same time in the direction shown by arrows and then unplug the DIMM in the direction shown by arrow El 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 s
30. ew L Yoga 3 14 Hinge to Upper C 5810H41046 N Screw L Yoga 3 14 HDD to HDD BRKT 5810H41043 N Screw L Yoga3 14 Upper C to Lower D 5S10H41038 N Screw L Yoga 3 14 NGFF to Upper C 5810H41039 N 69 Lenovo Yoga 3 14 Hardware Maintenance Manual 70 AC adapters Table 9 Parts list AC adapters FRU Adapter Delta ADL40WDA 20V 5 2V 2A 40W adapter Adapter Delta ADLAOWDJ 20V 5 2V 2A 40W adapter Adapter Delta ADLAOWDB 20V 5 2V 2A 40W adapter Adapter Delta ADLAOWDD 20V 5 2V 2A 40W adapter Adapter Delta ADLAOWDG 20V 5 2V 2A 40W adapter Adapter Delta ADLAOWDE 20V 5 2V 2A 40W adapter Adapter Delta ADLAOWDC 20V 5 2V 2A 40W adapter Adapter Delta ADLAOWDH 20V 5 2V 2A 40W adapter Adapter Liteon ADLAOWLA 20V 5 2V 2A40W adapter Adapter Liteon ADLAOWLB 20V 5 2V 2A40W adapter Adapter Liteon ADLAOWLC 20V 5 2V 2A40W adapter Adapter Liteon ADLAOWLD 20V 5 2V 2A40W adapter Adapter Liteon ADLAOWLE 20V 5 2V 2A40W adapter Adapter Liteon ADLAOWLF 20V 5 2V 2A40W adapter Adapter Liteon ADLAOWLG 20V 5 2V 2A40W adapter Adapter Liteon ADLAOWLH 20V 5 2V 2A40W adapter Adapter Chicony ADLAOWCA 20V 5 2V 2A40W adapter Adapter Chicony ADLAOWCB 20V 5 2V 2A40W adapter Adapter Chicony ADLAOWCC 20V 5 2V 2A40W adapter Adapter Chicony ADLAOWCD 20V 5 2V 2A40W adapter Adapter Chicony ADLAOWCE 20V 5 2V 2A40W adapter Adapter Chicony ADLAOWCF 20V 5 2V 2A40W adapter Adapter Chicony ADL40WCG 20V 5 2V 2A40W adapter Adapter Chicony ADLAOWCH 20V 5 2V 2A40W adapter A
31. ey do not easily come loose even with shock or vibration They are harder to tighten Do the following when you service this machine Keep the screw kit in your tool bag Carefully remove screws for reuse when replacing FRUs Usea torque screwdriver if you have one Tighten screws as follows Plastic to plastic Turn an additional 90 after the screw head touches the surface of the plastic part more than 90 ZA 7 Cross section Logic card to plastic Turn an additional 180 after the screw head touches the surface of the logic card more than 180 E w Cross section Torque driver If you have a torque screwdriver refer to the Torque column for each step Make sure that you use the correct screws If you have a torque screwdriver tighten all screws firmly to the torque shown in the table Carefully remove screws for reuse when replacing FRUs Make sure that all screws are tightened firmly Ensure torque screwdrivers are calibrated correctly following country specifications 31 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 32 1 2 3 Do not attempt to service any computer unless you have been trained and certified An untrained person runs the risk of damaging parts
32. ged battery pack or a battery pack that has less than 50 of the total power remaining when installed in the computer 21 Lenovo Yoga 3 14 Hardware Maintenance Manual 22 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 If the charge indicator is still not lit replace the system board Related service information Related service information This chapter presents the following information Restoring the factory contents by using OneKey Recovery on page 23 Passwords on page 24 Power management on page 25 Restoring the factory contents by using OneKey Recovery Restore of factory default The Lenovo Yoga 3 14 computer comes with pre installed OneKey Recovery 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 For details of OneKey Recovery System see the User Guide for Lenovo OneKey Recovery system Note This will delete all the new data on the system partition C drive which is not recoverable Make sure to back up your critical data before you
33. he diretamente por meio de instrumentos ticos e evite exposi o direta com o feixe de luz FAN DAROCA ARTHUR FORRES MENG BS BEA Rayonnement laser si carter ouvert Evitez de fixer le faisceau de le regarder directement avec des instruments optiques ou de vous exposer au rayon Laserstrahlung bei ge ffnetem Ger t Nicht direkt oder ber optische Instrumente in den Laserstrahl sehen und den Strahlungsbereich meiden Kinyitaskor l zersugar Ne n zzen bele se szabad szemmel se optikai eszk z kkel Ker lje a sug rnyal bbal valo rintkez st rendo l unit vengono emesse radiazioni laser Non fissare il fascio non A do Punit d l Non fi 1f guardarlo direttamente con strumenti ottici e evitare l esposizione diretta al fascio OrtkpbiBas Geperutecb na3epHoro n3nyyeHna He CMOTPUTE Ha nyy He pa3rnagbiBalite ero C MOMOLLbIO ONTNYECKNX VHCTPYMEHTOB a TAKKE n36erante npamoro Bo3AelcrBus na3epHoro nyua Ked je laserov jednotka otvoren Vyhnite sa priamemu pohladu a nehladte priamo s optickymi nastrojmi do lu a a vyhnite sa priamemu vystaveniu l ov POD EL TEEN ES HEGRE WOW T0 MFR A Bl o TERA TEV Ug V CTS VS Radiaci n l ser al abrir No mire fijamente ni examine con instrumental ptico el haz de luz Evite la exposici n directa al haz 15 Lenovo Yoga 3 14 Hardware Maintenance Manual Important service informatio This chapter presents the following important service information
34. hecking problems with the computer determine whether the damage is covered under the warranty by referring to the following list The following are not covered under warranty LCD panel cracked from the application of excessive force or from being dropped Scratched cosmetic parts Distortion deformation or discoloration of the cosmetic parts Plastic parts latches pins or connectors that have been cracked or broken by excessive force Damage caused by liquid spilled into the system Damage caused by the improper insertion of a PC Card or the installation of an incompatible card Improper disk insertion or use of an optical drive Diskette drive damage caused by pressure on the diskette drive cover foreign material in the drive or the insertion of a diskette with multiple labels Damaged or bent diskette eject button Fuses blown by attachment of a nonsupported device Forgotten computer password making the computer unusable Sticky keys caused by spilling a liquid onto the keyboard Use of an incorrect AC adapter on laptop products The following symptoms might indicate damage caused by nonwarranted activities Missing parts might be a symptom of unauthorized service or modification Ifthe spindle of a hard disk drive becomes noisy it may have been subjected to excessive force or dropped General checkout Power system checkout system checkout To verify a symptom follow the steps below
35. hese systems Use the round ground prong of the ac plug on ac operated computers Grounding requirements requirements Electrical grounding of the computer is required for operator safety and correct system function Proper grounding of the electrical outlet can be verified by a certified electrician About this manual Safety notices multilingual translation 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 Metallic parts or metal flakes can cause electrical shorts Avant de remettre l ordinateur sous tension apr s remplacement d une unit en client le v rifiez que tous les ressorts vis et autres pi ces sont bien en place et bien fix es Pour ce faire secouez l unit et assurez vous qu aucun bruit suspect ne se produit Des pi ces m talliques ou des copeaux de m tal pourraient causer un court circuit Bevor nach einem FRU Austausch der Computer wieder angeschlossen wird mu sichergestellt werden da keine Schrauben Federn oder andere Kleinteile fehlen oder im Geh use vergessen wurden Der Computer muf gesch ttelt und auf Klapperger usche gepr ft werden Metallteile oder splitter k nnen K
36. hgem f behandelt wird oder der Computer auf den Boden f llt Wenn der Bildschirm besch digt ist und die darin befindliche Fl ssigkeit in Kontakt mit Haut und Augen ger t sollten die betroffenen Stellen mindestens 15 Minuten mit Wasser abgesp lt und bei Beschwerden anschlie end ein Arzt aufgesucht werden 9192 Na TOMA Timo 5m av LCD IMIN WAN TOM ON TUBA DNI DM O yvon DANA TIN 1904 DOT IN Dy DY D YIN DYNDN ON PNIN ny NIIP 95 MNI MPT 15 DOWN ANNI DIVO 5n DY YANA Nel caso che caso l LCD si dovesse rompere ed il liquido in esso contenuto entrasse in contatto con gli occhi o le mani lavare immediatamente le parti interessate con acqua corrente per almeno 15 minuti poi consultare un medico se i sintomi dovessero permanere LCD AL LCD O rpoikk2 BIC Ant np Fic five LAH WE KIS HALE BRA x DR b 15 VE vC LC TERY Dev LEK ED Eo TURDERA IRA ROBIE SEIT C CSL Si la LCD se rompe y el fluido de su interior entra en contacto con sus ojos o sus manos lave inmediatamente las reas afectadas con agua durante 15 minutos como m nimo Obtenga atenci n medica si se presenta alg n s ntoma del fluido despues de lavarse 11 Lenovo Yoga 3 14 Hardware Maintenance Manual 12 Safety notice 6 A DANGER To avoid shock do not remove the plastic cover that protects the lower part of the inverter card Afin d viter tout risque de choc lectrique ne retirez pas le cache en plastique protegeant la partie inf rieure d
37. hould not be replaced just because of a single unreproducible failure Single failures can occur for a variety of reasons that have nothing to do with a hardware defect such as cosmic radiation electrostatic discharge or software errors Consider replacing an FRU only when a problem recurs If you suspect that an FRU is defective clear the error logs and run the test again If the error does not recur do not replace the FRU Be careful not to replace a nondefective FRU 19 Lenovo Yoga 3 14 Hardware Maintenance Manual What to do first to do first 20 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 Date of service Date on which the machine failed Date of purchase Procedure index and page number in which the failing FRU was detected Failing FRU name and part number Machine type model number and serial number Customer s name and address D Jm bk YN Note for warranty During the warranty period the customer may be responsible for repair costs if the computer damage was caused by misuse accident modification unsuitable physical or operating environment or improper maintenance by the customer The following is a list of some common items that are not covered under warranty and some symptoms that might indicate that the system was subjected to stress beyond normal use Before c
38. impiego di una batteria non adatta potrebbe determinare l incendio o l esplosione della batteria stessa JfvA AvTV lH KR RE ETCXHEUEOOOU EZ E TE LA DVEF AYIT IT NYT V ORE EDBAKTT OBYAL RIT VEENRE 100 C 212 F LE Opn BERI SER REY RZK ACER LILLAVWCC RE Wo NYT DEBT BIAG ARO RNE C TES VS ABR N Y VA hITHANDTY EBEEALTIEN Rokay Ye BHI SL AYT7UBREKUEO PHELEVDIDI LEDET La bater a de repuesto es una bater a de litio y puede provocar incendios explosiones o quemaduras graves No la recargue ni quite el conector polarizado ni la desmonte ni caliente por encima de los 100 C 212 F ni la incinere ni exponga el contenido de sus celdas al agua Des chela tal como dispone la normativa local 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 a 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 m decin si des sympt mes persistent apr s le lavage Die Leuchtstoffr hre im LCD Bildschirm enth lt Quecksilber Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Der LCD Bildschirm besteht aus Glas und kann zerbrechen wenn er unsac
39. inances 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 d montez pas ne les rechargez pas ne les exposez ni au feu ni l eau Ne les mettez pas en court circuit Pour les mettre au rebut conformez vous la r glementation en vigueur Lorsque vous remplacez la pile de sauvegarde ou celle de l horloge temps r el veillez n utiliser que les mod les cit s dans la liste de pi ces d tach es ad quate Une batterie ou une pile inappropri e risque de prendre feu ou d exploser Die Bereitschaftsbatterie die sich unter dem Diskettenlaufwerk befindet kann geringe Mengen Nickel und Cadmium enthalten Sie darf nicht zerlegt wiederaufgeladen kurzgeschlossen oder Feuer oder Wasser ausgesetzt werden Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Beim Ersetzen der Bereitschafts oder Systembatterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgef hrt ist Der Einsatz falscher Batterien kann zu Entz ndung oder Explosion f hren mop Na MAA MINOR AINA MANO MINA NINO 2522 PN 0131P 2073 Di IN UNI AMIN PIWND WIND AMIN pyr n95Yon NN PIVI v NAMN IYDI IN ONY W DNIH DPIN MIpNA n DY WINI 99905 19992 ADMIN n55103 PA WhnUnd NY pm NG NINDI WNW IKONO gn 5v MAMANA IN nnsn5 o5 Alcune batterie di riserva contengono una piccol
40. inare l incendio o l esplosione della batteria stessa AyTV UAvyZBGDEO yZVR amp REreOeExT 54T 5 7 AMWULILU RETIRO REINA IE Ya bSERW ECS ESV RYT V NGI ORB HE Cli bro LATHES C CREW NYTU AY IEA SLE E Ar bo a YF UE SR LC REY War Y AED Y AZEKLJEV RHLEVTSILBSVET Las bater as contienen pequefias cantidades de n quel No las desmonte ni recargue ni las eche al fuego o al agua ni las cortocircuite Des chelas tal como dispone la normativa local Utilice s lo bater as que se encuentren en la lista de piezas al sustituir la bater a La utilizaci n de una bater a no apropiada puede provocar la ignici n o explosi n de la misma Lenovo Yoga 3 14 Hardware Maintenance Manual 10 Safety notice 4 A 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 pr sente des risques d incendie d explosion ou de br lures graves Ne la rechargez pas ne retirez pas son connecteur polaris et ne la d montez pas Ne l exposez pas une temperature sup rieure 100 C ne la faites pas br ler et
41. lO 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 1040 PCI Express Mini Card for wireless LAN on page 39 1050 DIMM on page 41 1060 Fan assembly and heat sink assembly on page 42 1070 LCD unit on page 44 1080 System board on page 46 Figure 10 Removal steps of power assembly and IO board Remove the power assembly in the direction shown by arrow Bil 50 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 1050 DIMM on page 41 1060 Fan assembly and heat sink assembly on page 42 1070 LCD unit on page 44 1080 System board on page 46 1090 Speakers on page 49 Figure 11 Removal steps of LCD front cover Remove LCD bezel screw pad Bl and the screws Ell Step Screw quantity Color Torque P N M2 x 4 mm flat head nylok coated Silver 1 8 0 15 kgf cm 5S10H41040 2 LCD Hinge Cap to LCD cover 51 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 El 52 Lenovo Yoga 3 14 1120 Mic board LCD cover and hinges For access remove
42. lenovo Lenovo Yoga 3 14 Hardware Maintenance Manual Notes Before using this information and the product it supports be sure to read the general information under Notices on page 71 First Edition Dec 2014 Copyright Lenovo 2014 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 2014 Lenovo Contents About this manual iv Safety information esses 1 General safety Electrical safety Safety inspection guide 5 Handling devices that are sensitive to electrostatic discharge Grounding requirements Safety notices multilingual translations 7 Laser compliance statement 14 Important service information 16 Strategy for replacing FRUS 16 Strategy for replacing a hard disk drive 17 Important notice for replacing a system elo T E 17 Important information about replacing RoHS compliant FRUs General checkout What to do first Power system checkout Checking the AC adapter Checking operational charging Related service information
43. nly Press the power button Press the Windows button 25 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 E gt Power O Shut down Right click the Start button in the lower left corner and select Shut down or sign out gt Shut down Note This operation depends on your BIOS settings Please refer to the actual product 26 Lenovo Yoga 3 14 Lenovo Yoga 3 14 This chapter presents the following product specific service references and product specific parts information Specifications on page 27 Status indicators on page 29 Fn key combinations on page 30 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 See the system properties of your computer you can do this as follows Click Control Panel then click Hardware and Sound click Device Manager under Devices and Printers and double click Processors Bus architecture Graphic Chipset Display Standard memory CMOS SSHD SSD Optical drive UO port 1600MHz DDR3 SDRAM PC3 12800S PCI Ex
44. ny excessive force to it Avoid rough handling of any kind Avoid bending the system board and hard pushing to prevent cracking at each BGA Ball Grid Array chipset L Lenovo Yoga 3 14 Hardware Maintenance Manual Important information about replacing RoHS compliant FRUs 18 RoHS The Restriction of Hazardous Substances in Electrical and Electronic Equipment Directive 2002 95 EC is a European Union legal requirement affecting the global electronics industry RoHS requirements must be implemented on Lenovo products placed on the market after June 2006 Products on the market before June 2006 are not required to have RoHS compliant parts If the original FRU parts are non compliant replacement parts can also be non compliant In all cases if the original FRU parts are RoHS compliant the replacement part must also be RoHS compliant Note RoHS and non RoHS FRU part numbers with the same fit and function are identified with unique 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 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 par
45. oga 3 14 B W KB FR Upper Case L Yoga 3 14 B W KB JA Upper Case L Yoga 3 14 B W KB RU Upper Case L Yoga 3 14 B W KB TR Upper Case L Yoga 3 14 B W KB IT Upper Case L Yoga 3 14 B W KB USI Upper Case L Yoga 3 14 B W KB ICE Upper Case L Yoga 3 14 B W KB SA Upper Case L Yoga 3 14 B W KB DU Upper Case L Yoga 3 14 B W KB GR Upper Case L Yoga 3 14 B W KB CZ Upper Case L Yoga 3 14 B W KB SW Upper Case L Yoga 3 14 B W KB TI Upper Case L Yoga 3 14 B W KB HE Upper Case L Yoga 3 14 B W KB PO Upper Case L Yoga 3 14 B W KB US Upper Case L Yoga 3 14 W W KB HG Upper Case L Yoga 3 14 W W KB USA Upper Case L Yoga 3 14 W W KB LA Upper Case L Yoga 3 14 W W KB ND Upper Case L Yoga 3 14 W W KB BU Upper Case L Yoga 3 14 W W KB BZ Upper Case L Yoga 3 14 W W KB AR E Upper Case L Yoga 3 14 W W KB SP Upper Case L Yoga 3 14 W W KB GK Upper Case L Yoga 3 14 W W KB UK Upper Case L Yoga 3 14 W W KB EF Upper Case L Yoga 3 14 W W KB IN Upper Case L Yoga 3 14 W W KB TC Upper Case L Yoga 3 14 W W KB BE FRU no 5CB0H35638 5CB0H35644 5CB0H35668 5CB0H35663 5CB0H35660 5CB0H35657 5CB0H35667 5CB0H35662 5CB0H35659 5CB0H35656 5CB0H35654 5CB0H35653 5CB0H35652 5CB0H35596 5CB0H35594 5CB0H35592 5CB0H35590 5CB0H35593 5CB0H35591 5CB0H35604 5CB0H35607 5CB0H35612 5CB0H35611 5CB0H35609 5CB0H35608 5CB0H35606 5CB0H35605 5CB0H35603 5CB0H35627 5CB0H35622 5CB0H35619 5CB0H35616 5CB0H35628 5CB0H35623 5CB0H35620 5CB0H35617 5CB0H35618 5CB0H35629 5CB0H35624 5CB0H356
46. on or explosion of the battery La batterie contient du nickel Ne la d montez pas ne l exposez ni au feu ni l eau Ne la mettez pas en court circuit Pour la mettre au rebut conformez vous la r glementation en vigueur Lorsque vous remplacez la batterie veillez n utiliser que les modeles cit s dans la liste de pi ces d tach es ad quate En effet une batterie inappropri e risque de prendre feu ou d exploser Akkus enthalten geringe Mengen von Nickel Sie d rfen nicht zerlegt wiederaufgeladen kurzgeschlossen oder Feuer oder Wasser ausgesetzt werden Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgef hrt ist Der Einsatz falscher Batterien kann zu Entz ndung oder Explosion f hren 57799 7W on m2 Pah NIDA PINA PIV NIION TINA NN PIN PN DDT DN DO W INN ANP IN D DP IN UND INN mgnn YN 29 WINI AINA AION TINA MIDA p Unnunb v p nmprn tepinm NINN Pata ANNAN DINA Nowra PIDAN DIY MINANA NG NINDA WY AINON TINA JAINA DW mssann IN ANA 01525 La batteria contiene piccole quantita di nichel Non smontarla gettarla nel fuoco o nell acqua ne 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 determ
47. one of them does not solve the problem reinstall that board and then replace the other one f an adapter or a device consists of more than one FRU any of the FRUs may be the cause of the error Before replacing the adapter or device remove the FRUs one by one to see if the symptoms change Replace only the FRU that changed the symptoms Attention The setup configuration on the computer you are servicing may have been customized Running Automatic Configuration may alter the settings Note the current configuration 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 action Attention The drive startup sequence in the computer you are servicing may have been changed Be extremely careful during write operations such as copying saving or formatting If you select an incorrect drive data or programs can be overwritten Important notice for replacing a system board Some components mounted on a system board are very sensitive Improper handling can cause damage to those components and may cause a system malfunction Attention When handling a system board Do not drop the system board or apply a
48. perform this action 23 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 The computer does not start until the password is entered Power on password A power on password POP protects the system from being powered on by an unauthorized person The password must be entered before an operating System can be booted Hard disk password There are two hard disk passwords HDPs User HDP for the user Master HDP for the system administrator who can use it to get access to the hard disk drive even if the user has changed the user HDP Attention If the user HDP has been forgotten check whether a master HDP has been set If it has it can be used for access to the hard disk drive If no master HDP is available neither Lenovo nor Lenov 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 protects the system information stored in the BIOS The user must enter the supervisor password to get access to the BIOS and change the system configuration Attention
49. press bus DMI UMA SKU Intel Broadwell U DIS SKU Intel Broadwell U and NVIDIA N16S GT 14 0 inch DDR3L 1600MHz max 8 GB 256 bytes 500GB 8GB 128G 256G NA Combo audio jack x 1 Micro HDMI x 1 USB 3 0 port x 2 USB 2 0 port x 1 DC In combo 4 in 1 slot x 1 SD SDHC SDXC MMC 27 Lenovo Yoga 3 14 Hardware Maintenance Manual 28 Table 1 Specifications continued Feature Audio PCI Express Mini Card slot Bluetooth wireless Keyboard Touch pad Integrated camera Battery AC adapter Pre installed operating system Description 1 8 Stereo Headphone Output amp Microphone input combo jack Integrated Speakers Stereo x 2 Built in microphone x 2 1 slot Combined in combo card 6 Row Lenovo Keyboard Multi touch type 1 0 Mega or 720P HD 4 cells 45Wh 20 V 40 W 65 W Windows 8 1 Lenovo Yoga 3 14 Status indicators indicators The system status indicators below show the computer status Table 2 Status indicators Indicator Indicator status On solid white Solid amber Fast blinking amber Slow blinking Battery status amber indicator Slow blinking white On solid white Blinking Off Power status indicator Meaning The battery has more than 20 charge The battery has between 5 and 20 charge The battery has less than 5 charge The battery is being charged When battery charge reaches 20 the blinking color changes to white The battery has be
50. publication to non Lenovo Web sites are provided for convenience only and do not in any manner serve as an endorsement of those Web sites The materials at those Web sites are not part of the materials for this Lenovo product and use of those Web sites is at your own risk 72 Notices Any performance data contained herein was determined in a controlled environment Therefore the result obtained in other operating environments may vary significantly Some measurements may have been made on development level systems and there is no guarantee that these measurements will be the same on 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 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 Other company products or service names may be trademarks or service marks of others 73
51. r 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 1050 DIMM on page 41 1060 Fan assembly and heat sink assembly on page 42 1070 LCD unit on page 44 1080 System board on page 46 1090 Speakers on page 49 1100 Power assembly and IO board on page 50 1110 LCD front cover on page 51 Figure 13 Removal steps of LCD module Detach the connector in the direction shown by arrow Wl Then remove the LCD cable Lenovo Yoga 3 14 Figure 13 Removal steps of LCD module continued Lift the camera slightly IJ Unplug the integrated camera connector in the direction shown by arrow PJ Remove the integrated camera from the LCD module Disconnect the connector in the direction shown by arrow I then remove the sensor board in the direction shown by arrow Pl 57 Lenovo Yoga 3 14 Hardware Maintenance Manual Locations aaa Front view and right side view IM integrated camera on select models Multi touch screen Windows button Built in microphones Wireless LAN antennas Bl Touch pad Battery status indicator El Power button and power status indicator Note For the description of each indicator see Status indicators on page 29 El Novo button Rotation lock button Volume down button Volume up button Micro HDMI port USB 3 0 port 58 Lenovo Yog
52. s 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 1050 DIMM on page 41 1060 Fan assembly and heat sink assembly on page 42 Figure 7 Removal steps of LCD unit Remove the screws ll Step Screw quantity Color Torque P N M2 x 4 5 mm flat head Black 1 8 0 15 kgf cm 5S10H41046 nylok coated 6 Hinge to Upper 44 Lenovo Yoga 3 14 Figure 7 Removal steps of LCD unit continued Open the hinges El then remove the upper case from the LCD unit in the direction shown by arrow El 45 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 1020 Battery pack on page 35 1030 Hard disk drive on page 36 1040 PCI Express Mini Card for wireless LAN on page 39 1050 DIMM on page 4
53. sitive 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 hanaling the part are all at the same charge Notes 1 Use product specific ESD procedures when they exceed the requirements noted here 2 Make sure that the ESD protective devices you use have been certified ISO 9000 as fully effective When handling ESD sensitive parts Keep the parts in protective packages until they are inserted into the product Avoid contact with other people Wear a grounded wrist strap against your skin to eliminate static on your body Prevent the part from touching your clothing Most clothing is insulative and retains a charge even when you are wearing a wrist strap Use the black side of a grounded work mat to provide a static free work surface The mat is especially useful when handling ESD sensitive devices Select a grounding system such as those listed below to provide protection that meets the specific service requirement Note The use of a grounding system to guard against ESD damage is desirable but not necessary 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 outside shells on t
54. such as a damaged CRT face or a bulging capacitor Mechanical hazards such as loose or missing hardware To determine whether there are any potential unsafe conditions use the following checklist at the beginning of every service task Begin the checks with the power off and the power cord disconnected Checklist 1 Check exterior covers for damage loose broken or sharp edges 2 Turn off the computer Disconnect the power cord 3 Check the power cord for a Athird wire ground connector in good condition Use a meter to measure third wire ground continuity for 0 1 ohm or less between the external ground pin and the frame ground b The power cord should be the type specified in the parts list c Insulation must not be frayed or worn 4 Check for cracked or bulging batteries 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 8 Check for worn frayed or pinched cables 9 Check that the power supply cover fasteners screws or rivets have not been removed or tampered with a 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 sen
55. trical circuits with the reflective surface of 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 Caution do not become a victim yourself Switch off the power Send the victim to get medical aid About this manual Safety inspection guide inspection guide The purpose of this inspection guide is to assist you in identifying potential unsafe conditions As each machine was designed and built required safety items were installed to protect users and service personnel from injury This guide addresses only those items You should use good judgment to identify potential safety hazards according to the attachment of non Lenovo features or options not covered by this inspection guide If any unsafe conditions are present you must determine how serious the apparent hazard could be and whether you can continue without first correcting the problem Consider these conditions and the safety hazards they present Electrical hazards especially primary power primary voltage on the frame can cause serious or fatal electrical shock Explosive hazards
56. ts must always be replaced with RoHS compliant ones so only the FRUs identified as compliant in the system HMM or direct substitutions for those FRUs may be used Products marketed before June 2006 Products marketed after June 2006 Current or Replacement FRU Current or Replacement FRU original part original part Non RoHS Can be Non RoHS Non RoHS Can be RoHS Must be RoHS Must be RoHS Non RoHS Can sub to RoHS RoHS Must be RoHS Note A direct substitution is a part with a different FRU part number that is automatically shipped by the distribution center at the time of the order 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 Before replacing any FRU read the entire page on removing and replacing FRUs Carefully remove screws for reuse when replacing FRUs Be extremely careful during such write operations as copying saving or formatting Drives in the computer that you are servicing sequence 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 s
57. tween 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 The computer is powered on The computer is in sleep mode The computer is powered off 29 V A Lenovo Yoga 3 14 Hardware Maintenance Manual Fn key combinations key combinations The following table describes the functions of Fn key combinations 30 Table 3 Function key combinations F 4 ME sk bk WE EW PS F9 o F ei H O Los F1 Mutes unmutes the sound Decreases the volume level Increases the volume level Closes the currently active window Refreshes the desktop or the currently active window Enables disables the touch pad Enables disables Airplane mode Displays all currently active apps Turns on off the backlight of the LCD screen Toggles the display between the computer and an external device Decreases display brightness Increases display brightness Lenovo Yoga 3 14 FRU replacement notices 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 They maintain tight connections Th
58. ur leg muscles this action could avoid the strain from the muscles in your back Do not attempt to lift any object that weighs more than 16 kg 35 Ib or that you think is too heavy for you Do not perform any action that causes hazards to the customer or that makes the machine unsafe Before you start the machine make sure that other service representatives and the customer are not in a hazardous position Please remove covers and other parts in a safe place away from all personnel while you are servicing the machine Keep your toolcase away from walk areas so that other people will not trip over it Do not wear loose clothing that can be trapped in the moving parts of the machine Make sure that your sleeves are fastened or rolled up above your elbows If your hair is long fasten it Insert the ends of your necktie or scarf inside clothing or fasten it with the nonconductive clip about 8 centimeters 3 inches from the end Do not wear jewelry chains metal frame eyeglasses or metal fasteners for your clothing Attention Metal objects are good electrical conductors Wear safety glasses when you are hammering drilling soldering cutting wire attaching springs using solvents or working in any other conditions that may be hazardous to your eyes After service reinstall all safety shields guards labels and ground wires Replace any safety device that is worn or defective Reinstall all covers correctly b
59. ure that it is firmly fixed in the slot and difficult to be moved 41 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 1040 PCI Express Mini Card for wireless LAN and SSD card on page 39 Figure 6 Removal steps of fan assembly and heat sink assembly Unplug the fan connector in the direction shown by arrow Bl Remove the screws and loosen the screws E Lift the fan assembly and heat sink assembly in the direction shown by arrow Ef Be careful not to damage the connector Step Screw quantity Color Torque P N M2 x 3 5 mm flat head nylok Black 1 8 0 15 kgf cm 5810H41042 coated 2 Thermal module to FAN When installing Make sure that the connectors are attached firmly 42 Lenovo Yoga 3 14 Figure 6 Removal steps of fan assembly and heat sink assembly continued Remove the screws W Lift the dummy fan assembly in the direction shown by arrow Hl Step Screw quantity Color Torque P N M2 x 3 5 mm flat head nylok Black 1 8 0 15 kgf cm 5810H41042 coated 2 Thermal module to FAN Attention Do not handle the heat sink assembly roughly Improper handling can cause distortion or deformation and imperfect contact with components 43 Lenovo Yoga 3 14 Hardware Maintenance Manual 1070 LCD unit For acces
60. urzschl sse erzeugen NTI v FRU nan INN awnnn NIYIN M9 DNS DANN DVP IPIN O S spn DMIAN 29 NTI 15 AWN PINA n OMWHIN DINI 050253 POP MPP 125 DwpNd aunimn NN 90905 W NNT Dron 372 0195 DIY NINA aav IN PIN Prima di accendere l elaboratore dopo che stata effettuata la sostituzione di una FRU accertarsi che tutte le viti le molle e tutte le altri parti di piccole dimensioni siano nella corretta posizione e non siano sparse all interno dell elaboratore Verificare cid scuotendo l elaboratore e prestando attenzione ad eventuali rumori eventuali parti o pezzetti metallici possono provocare cortocircuiti pericolosi FRU DZM IMC OEM NIRO AU AK COMMONS OM BANG CIE LIMIT OEY Ea BOWE CRA CURVE amp AMEL t avla IT WF HDF EBA LU ZVO AMER E de AIR SRA Vi V a bOJAMIE ED z 623350 ET Antes de encender el sistema despues de sustituir una FRU compruebe gue todos los tornillos muelles y demas piezas peguefias se encuentran en su sitio y no se encuentran sueltas dentro del sistema Compru belo agitando el sistema y escuchando los posibles ruidos que provocar an Las piezas met licas pueden causar cortocircuitos el ctricos Lenovo Yoga 3 14 Hardware Maintenance Manual Safety notice 2 N 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 ord
61. uters The product specific section includes service reference and product specific parts information Important This manual is intended only for trained servicers who are familiar with Lenovo products Use this manual to troubleshoot problems effectively Before servicing a Lenovo product make sure to read all the information under Safety information on page 1 and Important service information on page 16 iv 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 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 Lenovo Yoga 3 14 Hardware Maintenance Manual General safety 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 2 Distribute the weight of the object equally between your feet 3 Use a slow lifting force Never move suddenly or twist when you attempt to lift it 4 Lift it by standing or pushing up with yo

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