Putting the computer to sleep or shutting it down ..........25 Putting your computer to sleep ......25 Shutting down the computer ......25 Lenovo YOGA 730-15IKB ......26 Specifications ..........26 Status indicators ........... 27 Keyboard function keys ........ 28 FRU replacement notices ......29 Screw notices ..........29...
• 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 Safety information This chapter presents the following safety information that you need to get familiar with before you service a Lenovo YOGA 730-15IKB computer: • “General safety” on page 2 • “Electrical safety” on page 3 • “Safety inspection guide” on page 5 •...
Lenovo YOGA 730-15IKB 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.
Safety information Electrical safety Observe the following rules when working on electrical equipments. Important: Use only approved tools and test equipments. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents.
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Lenovo YOGA 730-15IKB 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 730-15IKB 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.
Safety information Safety notices: multilingual translations The safety notices in this section are provided in English, French, German, Hebrew, Italian, Japanese, and Spanish. Safety notice 1 Before the computer is powered on after FRU replacement, make sure all screws, springs, and other small parts are in place and are not left loose inside the computer.
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Lenovo YOGA 730-15IKB 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.
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Safety information Safety notice 3 DANGER The battery pack contains small amounts of nickel. Do not disassemble it, throw it into fire or water, or short-circuit it. Dispose of the battery pack as required by local ordinances or regulations. Use only the battery in the appropriate parts listing when replacing the battery pack.
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Lenovo YOGA 730-15IKB 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.
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Safety information Safety notice 5 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands, immediately wash the affected areas with water at least for 15 minutes. Seek medical care if any symptoms caused by the fluid are present after washing. Si le panneau d’affichage à...
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Lenovo YOGA 730-15IKB 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.
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Safety information Safety notice 8 DANGER Before removing any FRU, turn off the computer, unplug all power cords from electrical outlets, remove the battery pack, and then disconnect any interconnecting cables. Avant de retirer une unité remplaçable en clientèle, mettez le système hors tension, débranchez tous les cordons d’alimentation des socles de prise de courant, retirez la batterie et déconnectez tous les cordons d’interface.
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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Safety information A CD-ROM drive, a DVD-ROM drive, or any other storage device installed may contain an embedded Class 3A or Class 3B laser diode. Note the following: DANGER Emits visible and invisible laser radiation when open. Do not stare into the beam, do not view directly with optical instruments, and avoid direct exposure to the beam.
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 730-15IKB 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.
3. If the voltage is not correct, replace the AC adapter. 4. If the voltage is acceptable, do the following: • Replace the system board. • If the problem persists, go to “Lenovo YOGA 730-15IKB” on page 26. Note: Noise from the AC adapter does not always indicate a defect.
Lenovo YOGA 730-15IKB Hardware Maintenance Manual Checking operational charging To check whether the battery charges properly during operation, use a discharged battery pack or a battery pack that has less than 50% of the total power remaining when installed in the computer.
Lenovo computer includes a hidden partition when it is shipped. If you need to restore the system to the point of your first boot up, just enter the Recovery System.
Lenovo YOGA 730-15IKB 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. 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.
• “FRU replacement notices” on page 29 • “Removing and replacing an FRU” on page 30 • “Locations” on page 52 • “Parts list” on page 54 Specifications The following table lists the specifications of the Lenovo YOGA 730-15IKB: Table 1. Specifications Feature Description Processor View the system properties of your computer.
Lenovo YOGA 730-15IKB Status indicators The system status indicators below show the computer status: Table 2. Status indicators Charge Indicator Indicator status Meaning status The computer is turned on and the On (solid white) ---- battery has between 21% and 100% charge.
Enables/disables the touchpad. Enables/disables Airplane mode. Enables/disables the integrated camera. Locks the screen. Toggles the display between the computer and an external device. Decreases display brightness. Increases display brightness. Note: You can use the Lenovo Setting to enable/disable the hotkey function.
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 730-15IKB 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 730-15IKB 1010 Base cover Figure 1. Removal steps of base cover Remove the screws Step Screw (quantity) Color Torque M2.0 x 7.0 mm, Torx-head, nylok-coated (10) Black/ 1.85±0.15 kgf*cm D cover to C cover Silver Remove the base cover Note: Be careful when separating the base cover.
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Lenovo YOGA 730-15IKB Hardware Maintenance Manual Note: Applying labels to the base cover If you see the following labels on the base cover, it needs to be peeled off from the old base cover, and put on the new base cover.
Lenovo YOGA 730-15IKB 1020 Battery pack For access, remove this FRU: • “1010 Base cover” on page 31 DANGER Only use the battery specified in the parts list for your computer. Any other battery could ignite or explode. Figure 2. Removal steps of battery pack Unplug the battery connector in the direction shown by arrow .
Lenovo YOGA 730-15IKB Hardware Maintenance Manual 1030 Solid state disk For access, remove these FRUs in order: • “1010 Base cover” on page 31 • “1020 Battery pack” on page 33 Figure 3. Removal steps of solid state disk Remove the screw...
Important: The preinstalled WLAN module may only be replaced with a Lenovo approved module in order to comply with FCC and IC regulations. Refer to “Table 5. Parts list—Overall” on page 56 for Lenovo part numbers for the approved modules.
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Lenovo YOGA 730-15IKB Hardware Maintenance Manual Figure 4. Removal steps of PCI Express Mini Card for wireless LAN (continued) Remove the card in the direction shown by arrow When installing: When installing the wireless LAN card, plug the black cable...
Lenovo YOGA 730-15IKB 1050 Speakers For access, remove these FRUs in order: • “1010 Base cover” on page 31 • “1020 Battery pack” on page 33 Figure 5. Removal steps of speakers Unplug the speaker connector in the direction shown by arrow and release the speaker cable from the cable guides.
Lenovo YOGA 730-15IKB 1070 Fan and heat sink assembly For access, remove these FRUs in order: • “1010 Base cover” on page 31 • “1020 Battery pack” on page 33 Figure 7. Removal steps of fan and heat sink assembly Unplug the fan connectors in the direction shown by arrows .
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Lenovo YOGA 730-15IKB Hardware Maintenance Manual Figure 7. Removal steps of fan and heat sink assembly (continued) Remove the screws . Pull the heat sink in the direction shown by arrow Attention: Do not handle the heat sink assembly roughly. Improper handling can cause distortion or deformation and imperfect contact with components.
Lenovo YOGA 730-15IKB 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.
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Lenovo YOGA 730-15IKB Hardware Maintenance Manual Figure 8. Removal steps of system board (continued) Remove the system board...
Lenovo YOGA 730-15IKB 1090 Fingerprint module and touchpad module For access, remove these FRUs in order: • “1010 Base cover” on page 31 • “1020 Battery pack” on page 33 • “1040 PCI Express Mini Card for wireless LAN” on page 35 •...
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Lenovo YOGA 730-15IKB Hardware Maintenance Manual Figure 9. Removal steps of fingerprint module and touchpad module (continued) Peel off the tape that secures the touchpad module Remove the screws . Then remove the touchpad module in the direction shown by arrow...
Lenovo YOGA 730-15IKB 1100 LCD unit and DC-in cable For access, remove these FRUs in order: • “1010 Base cover” on page 31 • “1020 Battery pack” on page 33 • “1040 PCI Express Mini Card for wireless LAN” on page 35 •...
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Lenovo YOGA 730-15IKB Hardware Maintenance Manual Figure 10. Removal steps of LCD unit and DC-in cable (continued) Rotate the LCD unit in the direction shown by arrows . Then pull the LCD unit in the direction shown by arrows Remove the DC-in cable in the direction shown by arrow...
Lenovo YOGA 730-15IKB 1110 LCD panel For access, remove these FRUs in order: • “1010 Base cover” on page 31 • “1020 Battery pack” on page 33 • “1040 PCI Express Mini Card for wireless LAN” on page 35 • “1050 Speakers” on page 37 •...
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Lenovo YOGA 730-15IKB Hardware Maintenance Manual Figure 11. Removal steps of LCD panel (continued) Gently separate the LCD panel and LCD cover then turn over the LCD panel. Unplug the connector . Peel off the adhesive tape. Open the latch on the...
Lenovo YOGA 730-15IKB 1120 LCD hinges For access, remove these FRUs in order: • “1010 Base cover” on page 31 • “1020 Battery pack” on page 33 • “1040 PCI Express Mini Card for wireless LAN” on page 35 • “1050 Speakers” on page 37 •...
Lenovo YOGA 730-15IKB Hardware Maintenance Manual 1130 Microphone board, camera board and EDP cable For access, remove these FRUs in order: • “1010 Base cover” on page 31 • “1020 Battery pack” on page 33 • “1040 PCI Express Mini Card for wireless LAN” on page 35 •...
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Lenovo YOGA 730-15IKB Figure 13. Removal steps of microphone board, camera board and EDP cable (continued) Note: The integrated camera is stuck on the top center of the LCD cover. Remove the EDP cable and camera board...
Lenovo YOGA 730-15IKB Hardware Maintenance Manual Locations Front and right-side view Integrated camera Built-in microphone Multi-touch screen Wireless LAN antennas Ventilation slots Touchpad Fingerprint reader Power button Note: For the description of each indicator, see “Status indicators” on page 27.
Lenovo YOGA 730-15IKB Bottom and left-side view Louvers Speakers Novo button Combo audio jack USB 3.0 port Charging status indicator Note: For the description of each indicator, see “Status indicators” on page 27. AC power adapter jack...
Lenovo YOGA 730-15IKB Hardware Maintenance Manual Parts list This section presents the following service parts: • “Overall” on page 55 • “LCD FRUs” on page 58 • “Miscellaneous parts” on page 59 • “AC adapters” on page 60 • “Screws” on page 60 •...
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Lenovo YOGA 730-15IKB Hardware Maintenance Manual Table 5. Parts list—Overall FRU no. a-e see “Miscellaneous parts” on page 59. LCD unit (see “LCD FRUs” on page 58.) Upper Case C 81CU IG BL W/KB US 5CB0Q96479 Upper Case C 81CU IG BL W/KB GRE...
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Lenovo YOGA 730-15IKB Table 5. Parts list—Overall (continued) FRU no. Upper Case C 81CU PT BL W/KB FR 5CB0Q96513 Upper Case C 81CU PT BL W/KB GER 5CB0Q96489 Upper Case C 81CU PT BL W/KB BZ 5CB0Q96443 Upper Case C 81CU PT BL W/KB DU...
Lenovo YOGA 730-15IKB Power cords A Lenovo power cord for a specific country or region is usually available only in that country or region: Table 10. Parts list—3-pin power cords Region CRU ID. CHINA 145000600 • LINETEK PC323+RVV300/300+LS15 1m...
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Lenovo YOGA 730-15IKB Hardware Maintenance Manual Table 10. Parts list—3-pin power cords (continued)
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Lenovo YOGA 730-15IKB Hardware Maintenance Manual Trademarks The following terms are either registered trademarks or trademarks of Lenovo in the United States and/or other countries: ® Lenovo ® Lenovo logo The following term is trademark of Microsoft Corporation in the United States, other countries, or both: ®...