Lenovo YOGA Tablet 2-1050F Hardware Maintenance Manual
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Lenovo YOGA Tablet 2-1050F Hardware Maintenance Manual

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  • Page 1 YOGA TABLET 2 Hardware Maintenance Manual YOGA Tablet 2-1050F YOGA Tablet 2-1050LC...
  • Page 2 First Edition (Sep 2014) © Copyright Lenovo 2014. All rights reserved. LENOVO products, data, computer software, and services have been developed exclusively at private expense and are sold to governmental entities as commercial items as defined by 48 C.F.R. 2.101 with limited and restricted rights to use, reproduction and disclosure.

  • Page 3: Table Of Contents

    Checking the internal battery status..22 Related service information .......23 Security ............... 23 Power management .......... 23 Activating/Deactivating the Display ..23 Lenovo 1050 ..........24 Specifications ............. 24 FRU replacement notices........26 Screw notices..........26 Removing and replacing an FRU....27 1010 Rear cover..........

  • Page 4: About This Manual

    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”...

  • Page 5: Safety Information

    Safety information Safety information This chapter presents the following safety information that you need to get familiar with before you service a Lenovo computer: • “General safety” on page 2 • “Electrical safety” on page 3 • “Safety inspection guide” on page 5 •...

  • Page 6: General Safety

    Lenovo 1050 Hardware Maintenance Manual General safety Follow these rules below to ensure general safety: • Observe a good housekeeping in the area where the machines are put during and after the maintenance. • When lifting any heavy object: 1. Make sure that you can stand safely without slipping.

  • Page 7: Electrical Safety

    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. Many customers have rubber floor mats near their machines that contain small conductive fibers to decrease electrostatic discharges.
  • Page 8 Lenovo 1050 Hardware Maintenance Manual • Always look carefully for possible hazards in your work area. Examples of these hazards are moist floors, nongrounded power extension cables, power surges, and missing safety grounds. • Do not touch live electrical circuits with the reflective surface of a plastic dental mirror.

  • Page 9: Safety Inspection Guide

    4. Check for cracked or bulging batteries. 5. Remove the cover. 6. Check for any obvious non-Lenovo 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.

  • Page 10: Handling Devices That Are Sensitive To Electrostatic Discharge

    Lenovo 1050 Hardware Maintenance Manual Handling devices that are sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to electrostatic discharge (ESD). ESD damage can occur when there is a difference in charge between objects. Protect against ESD damage by equalizing the charge so that the machine, the part, the work mat, and the person handling the part are all at the same charge.

  • Page 11: Safety Notices: Multilingual Translations

    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 Lenovo 1050 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 Lenovo 1050 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.
  • Page 16 Lenovo 1050 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.

  • Page 18: Laser Compliance Statement

    Lenovo 1050 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.
  • 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.

  • Page 20: Important Service Information

    To download software fixes, drivers, and BIOS, follow the steps below: 1. Go to http://consumersupport.lenovo.com/. 2. Enter a serial number or select a product or use Lenovo smart downloading. 3. Select the BIOS/Driver/Applications and download. 4. Follow the directions on the screen and install the necessary software.

  • Page 21: Important Notice For Replacing A System Board

    Important service information 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: •...

  • Page 22: Important Information About Replacing Rohs Compliant Frus

    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.

  • Page 23: General Checkout

    General checkout General checkout This chapter presents the following information: • “What to do first” on page 20 • “Power system checkout” on page 21 Before you go to the checkout, make sure to read the following important notes: Important notes: •...

  • Page 24: What To Do First

    Lenovo 1050 Hardware Maintenance Manual What to do first When you do return an FRU, you must include the following information in the parts exchange form or parts return form that you attach to it: 1. Name and phone number of servicer 2.

  • Page 25: Power System Checkout

    General checkout Power system checkout To verify a symptom, follow the steps below: 1. Turn off the computer. 2. Remove the battery pack. 3. Connect the AC adapter. 4. Make sure that power is supplied when you turn on the computer. 5.

  • Page 26: Checking The Internal Battery Status

    To open the Android Settings screen, do either of the following: – From the main Home screen, touch the Android Settings icon on Lenovo Launch Zone. The Android Settings screen is displayed. – Pull down the application icon from the action bar and then touch Settings.

  • Page 27: Related Service Information

    Related service information Related service information This chapter presents the following information: • “Security” on page 23 • “Power management” on page 23 Security Security settings include: SCREEN SECURITY, SIM CARD LOCK (LTE version only), PASSWORDS, DEVICE ADMINISTRATION and CREDENTIAL STORAGE.

  • Page 28: Lenovo 1050

    • “Removing and replacing an FRU” on page 27 • “Locations” on page 77 • “Parts list” on page 79 Specifications The following table lists the specifications of the Lenovo tablet. 1050 Note: The listed technical data is applicable to both versions of the product, i.e. the WiFi version and the LTE version, unless otherwise specified.
  • Page 29 Lenovo 1050 Ports • Micro-USB (USB 2.0) • Audio Jack, 3.5mm • Micro SIM card slot (LTE version only) • Micro-SD card slot (support external Micro-SD card up to 64GB) Communication • WiFi: 802.11a/b/g/n • WCDMA: 850/900/1700/1900/210MHz (LTE version only) •...

  • Page 30: Fru Replacement Notices

    This section presents notices related to removing and replacing parts. Read this section carefully before replacing any FRU. Screw notices Loose screws can cause a reliability problem. In Lenovo computers, this problem is addressed with special nylon-coated screws that have the following characteristics: •...

  • Page 31: Removing And Replacing An Fru

    Lenovo 1050 Removing and replacing an FRU This section presents exploded figures with the instructions to indicate how to remove and replace the FRU. Make sure to observe the following general rules: 1. Do not attempt to service any computer unless you have been trained and certified.

  • Page 32: 1010 Rear Cover

    Lenovo 1050 Hardware Maintenance Manual 1010 Rear cover 1. Open the hinge frame. Figure 1-1. Opening the hinge frame 2. Open the card slot cover using a thin flat blade or guitar pick. Figure 1-2. Opening the card slot...
  • Page 33 Lenovo 1050 3. Remove screws on the rear cover as shown in the figure below. Figure 1-3. The screws on the rear cover Part No. Screw (quantity) Color Torque Phillips flat head screw, M1.4 × 1.6 (3) Silver 4. Separate the bottom right corner of the rear cover from the main body of the tablet using a suction tool as shown in the figure below.
  • Page 34 Lenovo 1050 Hardware Maintenance Manual 5. Hold the tablet in one hand and use a guitar pick to unlock the rear cover from the tablet along the joint line as shown in the figure below. Figure 1-5. Unlocking the rear cover from the main body (along the joint line)

  • Page 35: 1020 Right Speaker

    Lenovo 1050 1020 Right speaker For access, remove the following FRU: • “1010 Rear cover” on page 28 1. Disconnect the power supply to the tablet by detaching the battery FPC from its connector on the main board using a pair of tweezers.
  • Page 36 Lenovo 1050 Hardware Maintenance Manual Part No. Screw (quantity) Color Torque Phillips flat-head screw, M1.4 × 2.0 (5) Silver 3. Detach the connector of the right speaker FPC from the sub board using a pair of tweezers. Figure 2-3. Detaching the FPC connector of the right speaker 4.
  • Page 37 Lenovo 1050 5. Remove the right speaker. Figure 2-5. The removed right speaker...

  • Page 38: 1030 Vibrator Motor

    Lenovo 1050 Hardware Maintenance Manual 1030 Vibrator motor For access, remove the following FRU: • “1010 Rear cover” on page 28 1. Disconnect the power supply to the tablet by detaching the battery FPC from its connector on the main board using a pair of tweezers.
  • Page 39 Lenovo 1050 3. Remove the conductive fabric tape of the vibrator motor as shown in the figure below. Figure 3-3. Removing the conductive fabric tape 4. Remove the vibrator motor from its seat using a thin flat blade. Figure 3-4. Removing the vibrator motor...
  • Page 40 Lenovo 1050 Hardware Maintenance Manual Figure 3-5. The removed vibrator motor...

  • Page 41: 1040 Sub Board

    Lenovo 1050 1040 Sub board Important notices for handling PCB: When handling PCB, bear the following in mind: • Be careful not to drop the PCB onto a bench top that has a hard surface, such as surface made of metal, wood, or composite materials.
  • Page 42 Lenovo 1050 Hardware Maintenance Manual 2. Pull out the hall sensor FPC from its connector using a pair of tweezers. Figure 4-2. Pulling out the hall sensor FPC 3. Detach the connector of the main FPC from the sub board using a pair of tweezers.
  • Page 43 Lenovo 1050 4. Remove screws on the sub board. Figure 4-4. The screws on the sub board Part No. Screw (quantity) Color Torque Phillips flat head screw, M1.4 × 1.3, wide silver head (2) 5. Detach the sub board from the tablet.
  • Page 44 Lenovo 1050 Hardware Maintenance Manual 6. Remove the sub board from the tablet. Figure 4-6. Removing the sub board Figure 4-7. The removed sub board...

  • Page 45: 1050 Lcd Fpc

    Lenovo 1050 1050 LCD FPC For access, remove the following FRUs in order: • “1010 Rear cover” on page 28 • “1040 Sub board” on page 37 1. Unlock the connector of the LCD FPC on the front module of the tablet using a guitar pick.
  • Page 46 Lenovo 1050 Hardware Maintenance Manual 3. Pull out the LCD FPC from its connector on the front module using a pair of tweezers. Figure 5-3. Pulling out the LCD FPC (from the front module side) 4. Pull out the LCD FPC from its connector on the main board using a pair of tweezers.
  • Page 47 Lenovo 1050 5. Remove the LCD FPC using a pair of tweezers. Figure 5-5. Removing the LCD FPC Figure 5-6. The removed LCD FPC...

  • Page 48: 1060 Main Fpc

    Lenovo 1050 Hardware Maintenance Manual 1060 Main FPC For access, remove the following FRU: • “1010 Rear cover” on page 28 1. Disconnect the power supply to the tablet by detaching the battery FPC from its connector on the main board using a pair of tweezers.
  • Page 49 Lenovo 1050 3. Detach the connector of the main FPC from the main board using a pair of tweezers. Figure 6-3. Detaching the connector of the main FPC (on the main board) 4. Remove the main FPC. Figure 6-4. The removed main FPC...

  • Page 50: 1070 Hall Sensor Fpc

    Lenovo 1050 Hardware Maintenance Manual 1070 Hall sensor FPC For access, remove the following FRU: • “1010 Rear cover” on page 28 1. Disconnect the power supply to the tablet by detaching the battery FPC from its connector on the main board using a pair of tweezers.
  • Page 51 Lenovo 1050 3. Pull out the hall sensor FPC from its connector using a pair of tweezers. Figure 7-3. Pulling out the hall sensor FPC 4. Remove the hall sensor FPC using a pair of tweezers. Figure 7-4. Removing the hall sensor FPC...
  • Page 52 Lenovo 1050 Hardware Maintenance Manual Figure 7-5. The removed hall sensor FPC...

  • Page 53: 1080 Main Board

    Lenovo 1050 1080 Main board Important notices for handling PCB: When handling PCB, bear the following in mind: • Be careful not to drop the PCB onto a bench top that has a hard surface, such as surface made of metal, wood, or composite materials.
  • Page 54 Lenovo 1050 Hardware Maintenance Manual 2. Pull out the TP FPC from its unlocked connector using a pair of tweezers. Figure 8-2. Pulling out the TP FPC 3. Unlock the connector of the left speaker FPC on the main board using a guitar pick.
  • Page 55 Lenovo 1050 4. Pull out the FPC of the left speaker from the unlocked connector using a pair of tweezers. Figure 8-4. Pulling out the FPC of the left speaker 5. Detach the connector of the USB and volume key FPC from the main board using a pair of tweezers.
  • Page 56 Lenovo 1050 Hardware Maintenance Manual 6. Detach the connector of the rear camera FPC from the main board using a pair of tweezers. Figure 8-6. Detaching the connector of the rear camera FPC 7. Remove screws on the main board as shown in the figure below.
  • Page 57 Lenovo 1050 8. Disconnect the cable of the antennas from its connector on back of the main board using a pair of tweezers at the positions shown in the figure below. Figure 8-8. Positions for disconnecting the antennas 9. Remove the main board together with the connected front camera.
  • Page 58 Lenovo 1050 Hardware Maintenance Manual 10. Unlock the connector of the front camera FPC on the back of main board using a guitar pick. Figure 8-10. Unlocking the connector of the front camera FPC 11. Remove the front camera FPC from its unlocked connector.
  • Page 59 Lenovo 1050 Figure 8-12. The removed main board and front camera...

  • Page 60: 1090 Left Speaker

    Lenovo 1050 Hardware Maintenance Manual 1090 Left speaker For access, remove the following FRUs in order: • “1010 Rear cover” on page 28 • “1080 Main board” on page 49 1. Remove screws on the left speaker as shown in the figure below.
  • Page 61 Lenovo 1050 2. Remove the left speaker unit together with the attached rear camera, volume key and USB FPC using a pair of tweezers. Figure 9-2. Removing the left speaker together with attached rear camera and volume key and USB FPC Figure 9-3.
  • Page 62 Lenovo 1050 Hardware Maintenance Manual 3. Detach the conductive shield at the side of the rear camera using a pair of tweezers as shown in the figure below. Figure 9-4. Detaching the conductive shield at the side of the rear camera 4.
  • Page 63 Lenovo 1050 5. Remove the volume key and USB FPC on the back of the left speaker unit using a pair of tweezers. Figure 9-6. Removing the volume key and USB FPC Figure 9-7. The removed left speaker...

  • Page 64: 1100 Rear Camera

    Lenovo 1050 Hardware Maintenance Manual 1100 Rear camera For access, remove the following FRUs in order: • “1010 Rear cover” on page 28 • “1080 Main board” on page 49 Detach the following FRU: • Left Speaker (see Step 1 on page 56 and Step 2 on page 57 in “1090 Left speaker”)
  • Page 65 Lenovo 1050 2. Remove the rear camera from its conductive shield seat on the left speaker box by inserting a thin flat blade under the camera bottom as shown in the figure below. Figure 10-2. Removing the rear camera Figure 10-3. The removed rear camera...

  • Page 66: 1110 Volume Key And Usb Fpc

    Lenovo 1050 Hardware Maintenance Manual 1110 Volume key and USB FPC For access, remove the following FRUs in order: • “1010 Rear cover” on page 28 • “1080 Main board” on page 49 Detach the following FRU: • Left Speaker (see Step 1 on page 56 and Step 2 on page 57 in “1090 Left speaker”)
  • Page 67 Lenovo 1050 2. Remove the volume key and USB FPC from the left speaker. Figure 11-2. The removed volume key and USB FPC...

  • Page 68: 1120 Volume Key

    Lenovo 1050 Hardware Maintenance Manual 1120 Volume key For access, remove the following FRUs in order: • “1010 Rear cover” on page 28 • “1080 Main board” on page 49 Detach the following FRU: • Left speaker (see Step 1 on page 56 and Step 2 on page 57 in “1090 Left speaker”)

  • Page 69: 1130 Lte Main Antenna (Lte Version) Or Wifi2 Antenna (Wifi Version)

    Lenovo 1050 1130 LTE main antenna (LTE version) or WIFI2 antenna (Wifi version) For access, remove the following FRU: • “1010 Rear cover” on page 28 • “1080 Main board” on page 49 1. Remove screw on the LTE main antenna or WIFI2 antenna as shown in the figure below.
  • Page 70 Lenovo 1050 Hardware Maintenance Manual 2. Remove the LTE main antenna or WIFI2 antenna. Figure 13-2. The removed antenna...

  • Page 71: Version) Or Gps/Wifi1 Antenna (Wifi Ver- Sion)

    Lenovo 1050 1140 LTE MINO/GPS/WIFI1 antenna (LTE version) or GPS/ WIFI1 antenna (Wifi version) For access, remove the following FRU: • “1010 Rear cover” on page 28 • “1080 Main board” on page 49 1. Remove screw on the LTE MINO/GPS/WIFI1 antenna or GPS/WIFI1 antenna as shown in the figure below.
  • Page 72 Lenovo 1050 Hardware Maintenance Manual 2. Remove the LTE MINO/GPS/WIFI1 antenna or GPS/WIFI1 antenna. Figure 14-2. The removed antenna...

  • Page 73: 1150 Wifi2 Antenna (Lte Version)

    Lenovo 1050 1150 WIFI2 antenna (LTE version) For access, remove the following FRU: • “1010 Rear cover” on page 28 • “1080 Main board” on page 49 1. Detach the WIFI2 antenna using a pair of tweezers. Figure 15-1. Detaching the WIFI2 antenna 2.

  • Page 74: 1160 Battery Pack

    Lenovo 1050 Hardware Maintenance Manual 1160 Battery pack For access, remove the following FRUs in order: • “1010 Rear cover” on page 28 • “1020 Right speaker” on page 31 Rechargeable Battery Notice CAUTION: Risk of explosion if the battery is replaced with an incorrect type.
  • Page 75 Lenovo 1050 2. Slowly pull out the hinge pivot using a pair of tweezers. Figure 16-2. Pulling out the hinge pivot Figure 16-3. The removed hinge pivot...
  • Page 76 Lenovo 1050 Hardware Maintenance Manual 3. Detach the hinge frame at the left end, turn the hinge frame clockwise around its right end so as to steer the battery FPC out through the supporting frame at the right end, and then remove the hinge frame from the main body of the tablet.
  • Page 77 Lenovo 1050 5. Remove screw on the battery cover as shown in the figure below. Figure 16-6. The screw on the battery cover Screw (quantity) Color Torque Part No. Phillips flat-head screw, M1.4 × 3.0 (1) Silver 6. Remove the battery cover as shown in the figure below.
  • Page 78 Lenovo 1050 Hardware Maintenance Manual 7. Remove the battery pack from the hinge frame. Figure 16-8. Removing the battery pack Figure 16-9. The removed battery pack...

  • Page 79: 1170 Power Key

    Lenovo 1050 1170 Power key For access, remove the following FRUs in order: • “1010 Rear cover” on page 28 • “1080 Main board” on page 49 Detach the following FRU: • Left speaker (see Step 1 on page 56 and Step 2 on page 57 in “1090 Left speaker”)
  • Page 80 Lenovo 1050 Hardware Maintenance Manual 2. Remove the power key. Figure 17-2. The removed power key...

  • Page 81: Locations

    Lenovo 1050 Locations Front view Front camera Left speaker Right speaker...

  • Page 82: Rear View

    Lenovo 1050 Hardware Maintenance Manual Rear view Audio Jack Microphone Micro-SD card slot SIM card slot (for LTE version only) Volume key Micro-USB connection Rear camera Power key...

  • Page 83: Parts List

    Lenovo 1050 Parts list This section presents the following service parts: • “Overall” on page 79 • “Screws” on page 83 Notes: The listed FRUs are applicable to both versions of the product, i.e. the WiFi version and the LTE version, unless otherwise specified.
  • Page 84 Lenovo 1050 Hardware Maintenance Manual...
  • Page 85 Lenovo 1050 Table 1. Parts list–Overall FRU No. CRU ID 1050 front module (TP LCM assembly) 5D19A6N43K 1050 rear cover WiFi version: 5SR9A6N43L LTE version: 5SR9A6N4P4 1050 battery 5B19A6MWSL (battery cell) 5B19A6MWSN (battery cell) 5B19A6N2JP (battery pack) 1050 hinge frame...
  • Page 86 Lenovo 1050 Hardware Maintenance Manual 1050 right speaker 5SB9A6MXFK 5SB9A6MXFR 1050 left speaker 5SB9A6MXFL 5SB9A6MXFS 1050 power key Silver: 5B69A6MXMY 5B69A6N07V Black: 5B69A6MXJ6 5B69A6N07U 1050 main FPC 5F79A6MX4H 5F79A6MXBJ 1050 main board WiFi version: 5B29A6N43J (16G) LTE version: 5B29A6N4P3 (16G)

  • Page 87: Screws

    Lenovo 1050 Screws Table 2. Parts list–Screw CRU ID × 2.0 Phillips cross head screw, M1.4 5M89A4675V × 3.0 Phillips cross head screw, M1.4 SM89A44143 Phillips cross head screw, M1.4 × 1.3, wide head SM89A462RE × 1.6 Phillips cross head screw, M1.4...

  • Page 88: Notices

    The result obtained in other operating environments may vary. Lenovo may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you.

  • Page 89: Trademarks

    Users of this document should verify the applicable data for their specific environment. Trademarks Lenovo and the Lenovo logo are trademarks of Lenovo in the United States or other countries, or both. Other company, product, or service names may be trademarks or service marks...

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