• The product-specific section includes service, reference, and product-specific parts information. Important: This manual is intended only for trained servicers who are familiar with Lenovo IdeaPad products. Use this manual to troubleshoot problems effectively. Before servicing a Lenovo IdeaPad product, make sure to read all the information...
Safety information Safety information This chapter presents the following safety information that you need to get familiar with before you service an Lenovo IdeaPad Yoga 11S computer: • “General safety” on page 2 • “Electrical safety” on page 3 • “Safety inspection guide” on page 5 •...
IdeaPad Yoga 11S 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.
Page 8
IdeaPad Yoga 11S 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 IdeaPad alterations. Use good judgment as to the safety of any non-Lenovo IdeaPad alterations. 7. Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, water or other liquids, or signs of fire or smoke damage.
IdeaPad Yoga 11S 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.
Page 12
IdeaPad Yoga 11S Hardware Maintenance Manual Safety notice 2 DANGER Some standby batteries contain a small amount of nickel and cadmium. Do not disassemble a standby battery, recharge it, throw it into fire or water, or short- circuit it. Dispose of the battery as required by local ordinances or regulations.
Page 13
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.
Page 14
IdeaPad Yoga 11S Hardware Maintenance Manual Safety notice 4 DANGER The lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge it, remove its polarized connector, disassemble it, heat it above 100°C (212°F), incinerate it, or expose its cell contents to water. Dispose of the battery as required by local ordinances or regulations.
Page 15
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...
Page 16
IdeaPad Yoga 11S Hardware Maintenance Manual Safety notice 6 DANGER To avoid shock, do not remove the plastic cover that protects the lower part of the inverter card. Afin d’éviter tout risque de choc électrique, ne retirez pas le cache en plastique protégeant la partie inférieure de la carte d’alimentation.
Page 17
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.
IdeaPad Yoga 11S Hardware Maintenance Manual Laser compliance statement Some models of Lenovo IdeaPad computer are equipped from the factory with an optical storage device such as a CD-ROM drive or a DVD-ROM drive. Such devices are also sold separately as options. If one of these drives is installed, it is certified in the U.S.
Page 19
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 a serial number or select a product or use Lenovo smart downloading. 3. Select the BIOS/Driver/Applications and download. 4. Follow the directions on the screen and install the necessary software.
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. • 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.
IdeaPad Yoga 11S Hardware Maintenance Manual What to do first When you do return an FRU, you must include the following information in the parts exchange form or parts return form that you attach to it: 1. Name and phone number of servicer 2.
4. If the voltage is acceptable, do the following: • Replace the system board. • If the problem continues, go to “Lenovo IdeaPad Yoga 11S” on page 26. Note: Noise from the AC adapter does not always indicate a defect.
Page 26
IdeaPad Yoga 11S Hardware Maintenance Manual Perform operational charging. If the battery status indicator or icon does not light on, remove the battery pack and let it return to room temperature. Reinstall the battery pack. If the charge indicator or icon is still off, replace the battery pack.
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.
The recovery process might take up to 2 hours. Passwords As many as two passwords may be needed for any Lenovo IdeaPad computer: the power-on password (POP) and the supervisor password (SVP). 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 APM operating system. To reduce power consumption, the computer has three power management modes: screen blank, sleep (standby), and hibernation. Screen blank mode If the time set on the “Turn off monitor” timer in the operating system expires, the LCD backlight turns off.
• “Removing and replacing an FRU” on page 31 • “Locations” on page 58 • “Parts list” on page 60 Specifications The following table lists the specifications of the Lenovo IdeaPad Yoga 11S : Table 1. Specifications Feature Description Processor •...
Page 31
Lenovo IdeaPad Yoga 11S Table 1. Specifications (continued) Feature Description Touch pad • Multi-touch type Integrated • 1.0 Mega or 720P HD camera Battery • 4 cell 4S1P 42Wh, Li-polymer battery • 8 cell 4S2P 42Wh, Li-ion battery AC adapter •...
IdeaPad Yoga 11S Hardware Maintenance Manual Status indicators The system status indicators below show the computer status: Table 2. Status indicators Indicator Indicator Indicator Meaning status status Power On (white) The computer is on. status Blinking The computer is in sleep mode.
Lenovo IdeaPad Yoga 11S Function key combinations The following table shows the function of each combination of function key. Table 3. Function keys 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.
This section presents notices related to removing and replacing parts. Read this section carefully before replacing any FRU. Screw notices Loose screws can cause a reliability problem. In the Lenovo IdeaPad computer, this problem is addressed with special nylon-coated screws that have the following characteristics: • They maintain tight connections.
Lenovo IdeaPad Yoga 11S 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.
IdeaPad Yoga 11S Hardware Maintenance Manual 1010 Dummy card Figure 1. Removal step of dummy card Remove the dummy card in the direction shown by arrows...
Lenovo IdeaPad Yoga 11S 1020 Keyboard For access, remove this FRU: • “1010 Dummy card” on page 32 Figure 2. Removal steps of keyboard Remove the two rubber feet in the direction shown by arrows , and then remove the two screws...
Page 38
IdeaPad Yoga 11S Hardware Maintenance Manual Figure 2. Removal steps of keyboard (continued) Lift the keyboard a little and detach the connector in the direction shown by arrows , then remove the keyboard. When installing: Make sure that the FPC connector is attached firmly.
Lenovo IdeaPad Yoga 11S 1030 Keyboard bezel For access, remove these FRU: • “1010 Dummy card” on page 32 • “1020 Keyboard” on page 33 Figure 3. Removal steps of keyboard bezel Remove the nine screws Step Screw (quantity) Color Torque M2.0 ×...
Page 40
IdeaPad Yoga 11S Hardware Maintenance Manual Figure 3. Removal steps of keyboard bezel (continued) Detach the touch pad connector in the direction shown by arrows Remove the two screws Step Screw (quantity) Color Torque M2.0 × 2.5L 4.5D 0.5T, KB_brk to MB to Black 1.5-2.0 kg-cm...
Lenovo IdeaPad Yoga 11S 1040 Power board and rotation button board For access, remove these FRUs in order: • “1010 Dummy card” on page 32 • “1020 Keyboard” on page 33 • “1030 Keyboard bezel” on page 35 Figure 4. Removal steps of power board and rotation button board...
Page 42
IdeaPad Yoga 11S Hardware Maintenance Manual Figure 4. Removal steps of power board and rotation button board (continued) Remove the power board and the rotation button board in the direction shown by arrows...
IdeaPad Yoga 11S Hardware Maintenance Manual 1060 Battery pack For access, remove these FRUs in order: • “1010 Dummy card” on page 32 • “1020 Keyboard” on page 33 • “1030 Keyboard bezel” on page 35 • “1040 Power board and rotation button board” on page 37 •...
Page 45
Lenovo IdeaPad Yoga 11S Figure 6. Removal steps of battery pack (continued) Remove the RTC battery Remove the IO board FPC...
Page 46
IdeaPad Yoga 11S Hardware Maintenance Manual Figure 6. Removal steps of battery pack (continued) Detach the battery pack connector in the direction shown by arrow , remove the screw Step Screw (quantity) Color Torque M2.0 × 4L 3.5D 0.5T, Battery to D_cover (1) black 1.5-2.0 kg-cm...
Lenovo IdeaPad Yoga 11S 1070 SSD For access, remove these FRUs in order: • “1010 Dummy card” on page 32 • “1020 Keyboard” on page 33 • “1030 Keyboard bezel” on page 35 • “1040 Power board and rotation button board” on page 37 •...
IdeaPad Yoga 11S Hardware Maintenance Manual 1080 PCI Express Mini Card for wireless LAN For access, remove these FRUs in order: • “1010 Dummy card” on page 32 • “1020 Keyboard” on page 33 • “1030 Keyboard bezel” on page 35 •...
Page 49
Lenovo IdeaPad Yoga 11S Figure 8. Removal steps of PCI Express Mini Card for wireless LAN (continued) Remove the card in the direction shown by arrow...
Lenovo IdeaPad Yoga 11S 1110 Fan and Heat Sink assembly For access, remove these FRUs in order: • “1010 Dummy card” on page 32 • “1020 Keyboard” on page 33 • “1030 Keyboard bezel” on page 35 • “1040 Power board and rotation button board” on page 37 •...
Page 54
IdeaPad Yoga 11S Hardware Maintenance Manual Figure 11. Removal steps of fan and heat sink assembly (continued) Remove the fan and heat sink assembly...
Lenovo IdeaPad Yoga 11S 1120 System board Important notices for handling the system board: When handling the system board, bear the following in mind. • Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or composite.
Page 56
IdeaPad Yoga 11S Hardware Maintenance Manual Figure 12. Removal steps of system board Unplug the LCD connector and IO board connector in the direction shown by arrows . Remove the screw When installing: Make sure that all the connectors are attached firmly.
Lenovo IdeaPad Yoga 11S 1130 IO board and DC-in board For access, remove these FRUs in order: • “1010 Dummy card” on page 32 • “1020 Keyboard” on page 33 • “1030 Keyboard bezel” on page 35 • “1040 Power board and rotation button board” on page 37 •...
Page 58
IdeaPad Yoga 11S Hardware Maintenance Manual Figure 13. Removal steps of IO board and DC-in board (continued) Remove the IO board and DC-in board in the direction shown by arrows...
Lenovo IdeaPad Yoga 11S 1140 LCD unit For access, remove these FRUs in order: • “1010 Dummy card” on page 32 • “1020 Keyboard” on page 33 • “1030 Keyboard bezel” on page 35 • “1040 Power board and rotation button board” on page 37 •...
Page 60
IdeaPad Yoga 11S Hardware Maintenance Manual Figure 14. Removal steps of LCD unit (continued) Open the base cover in the direction shown by arrow . Remove the base cover from the LCD unit...
Page 61
Lenovo IdeaPad Yoga 11S Note: Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. When you replace the base cover, you need to apply the following label: The following labels need to be peeled off from the old base cover, and need to be put on the new base cover.
IdeaPad Yoga 11S Hardware Maintenance Manual Locations Front view and right-side view Integrated camera (select models only) Multi-touch screen Windows button Touchpad Wireless LAN antennas Screen rotation lock button Speaker USB port Memory card slot AC power adapter jack...
Lenovo IdeaPad Yoga 11S Bottom and Left-side view Built-in microphones Battery status indicator Power button Novo button Volume button Speaker HDMI port USB port Combo audio jack...
IdeaPad Yoga 11S Hardware Maintenance Manual Parts list This section presents the following service parts: • “Overall” on page 61 • “Keyboard” on page 64 • “Miscellaneous parts” on page 66 • “Screws” on page 67 • “AC adapters” on page 68 •...
IdeaPad Yoga 11S Hardware Maintenance Manual Keyboard Table 6. Parts list—Keyboard (continued) Language CRU ID. English 25210801 U.K. English 25210802 Italian 25210803 Spanish 25210804 Turkish 25210805 Thai 25210806 Portuguese 25210807 Latin 25210808 Canadian Bilingual (En+Fr) 25210809 Korean 25210810 Traditional Chinese...
Page 69
Lenovo IdeaPad Yoga 11S Table 6. Parts list—Keyboard (continued) Language CRU ID. Brazilian 25210846 Japanese 25210847 Dutch 25210848 Greek 25210849 Hebrew 25210850 Hungarian 25210851 Nordic 25210852 Sunrex Belgian 25210853 (continued) Icelandic 25210854 Slovenian 25210855 Swiss 25210856 US international 25210857 Czech&Slovak...
Lenovo IdeaPad Yoga 11S Power cords A Lenovo IdeaPad 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 (continued) Region CRU ID. 145000600 • LINETEK PC323+RVV300/300+LS15 1m...
Page 74
IdeaPad Yoga 11S Hardware Maintenance Manual Table 10. Parts list—3-pin power cords (continued) Region CRU ID. Brazil 145000564 • Longwell LP-46+H03VV-F+LS-18 1m Israel 145000563 • Longwell LP-41+H03VV-F+LS-18 1m 145000562 • Longwell LP-30B+SPT-2 18AWG+LS-18 1m 145000561 • Longwell LP-61L+H03VV-F+LS-18 1m Indian 145000560 •...
Page 75
Lenovo IdeaPad Yoga 11S Table 10. Parts list—3-pin power cords (continued) Region CRU ID. Japan 145000530 • VOLEX VAC5S+VCTF+M755 1m Argentina 145000528 • VOLEX VA2073+H03VV-F+VAC5S 1m Brazil 145000527 • VOLEX CH10S3+H03VV-F+VAC5S 1m Israel 145000526 • VOLEX SI16S3+H03VV-F+VAC5S 1m 145000525 • VOLEX M2511+HO3VV-F+VAC5S 1m 145500003 •...
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.
Actual results may vary. Users of this document should verify the applicable data for their specific environment. Trademarks The following terms are either registered trademarks or trademarks of Lenovo in the United States and/or other countries: ® Lenovo ®...