Lenovo TAB 2 A10-70 Hardware Maintenance Manual
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Lenovo TAB 2 A10-70 Hardware Maintenance Manual

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  • Page 1 Lenovo TAB 2 A10-70 Hardware Maintenance Manual...
  • Page 2 First Edition (March 2015) © Copyright Lenovo 2015. 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 TAB 2 A10-70 .........24 Specifications ............. 24 FRU replacement notices........26 Screw notices..........26 Removing and replacing an FRU....27 1010 Rear cover and side key.....

  • Page 6: 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 7: 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 8: General Safety

    Lenovo TAB 2 A10-70 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.

  • Page 9: 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 10 Lenovo TAB 2 A10-70 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 11: 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 12: Handling Devices That Are Sensitive To Electrostatic Discharge

    Lenovo TAB 2 A10-70 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 13: 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 14 Lenovo TAB 2 A10-70 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 15 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 16 Lenovo TAB 2 A10-70 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 17 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 18 Lenovo TAB 2 A10-70 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 19 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 20: Laser Compliance Statement

    Lenovo TAB 2 A10-70 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 21 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 22: 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 23: 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 24: 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 25: 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 26: What To Do First

    Lenovo TAB 2 A10-70 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 27: 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 28: 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 29: 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 30: Lenovo Tab 2 A10-70

    • “Locations” on page 68 • “Parts list” on page 70 Specifications The following table lists the specifications of the Lenovo TAB 2 A10-70. 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 31 Lenovo TAB 2 A10-70 Ports • Micro-USB (USB 2.0) • Audio Jack, 3.5mm (support Audio and Microphone) • Micro-SD card slot (support external Micro-SD card up to 32GB) • Micro-SIM card slot (LTE version only) Communication • WiFi: 802.11a/b/g/n • GSM/EDGE: 850/900/1800/1900MHz •...

  • Page 32: 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 33: Removing And Replacing An Fru

    Lenovo TAB 2 A10-70 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 34: 1010 Rear Cover And Side Key

    Lenovo TAB 2 A10-70 Hardware Maintenance Manual 1010 Rear cover and side key 1. Hold the tablet in one hand and use a triangle paddle to unlock the rear cover from the tablet along the joint line as shown in the figure below.
  • Page 35 Lenovo TAB 2 A10-70 3. Remove the side key from the rear cover using a pair of pointed tweezer. Figure 1-3. Removing the side key Figure 1-4. The removed rear cover and side key...

  • Page 36: 1020 Battery Pack

    Lenovo TAB 2 A10-70 Hardware Maintenance Manual 1020 Battery pack For access, detach the following FRU: • Rear cover assembly (see Step 1 on page 28 to Step 2 on page 28 in “1010 Rear cover and side key”) Rechargeable Battery Notice CAUTION: Risk of explosion if the battery is replaced with an incorrect type.
  • Page 37 Lenovo TAB 2 A10-70 2. Remove the metal piece using a pair of tweezers. Figure 2-2. Removing the metal piece 3. Disconnect the battery FPC from its connector on the main board using a pair of tweezers. Figure 2-3. Disconnecting the battery FPC...
  • Page 38 Lenovo TAB 2 A10-70 Hardware Maintenance Manual 4. Detach the battery FPC from the main board as shown in the figure below. Figure 2-4. Detaching the battery FPC 5. Remove the conductive tape or mylar on the LCD FPC at the main board side as shown in the figure below.
  • Page 39 Lenovo TAB 2 A10-70 6. Unlock the connector of the LCD FPC on the main board using a triangle paddle. Figure 2-6. Unlocking the connector of the LCD FPC (main board side) 7. Pull out the LCD FPC from its connector on the main board as shown in the figure below.
  • Page 40 Lenovo TAB 2 A10-70 Hardware Maintenance Manual 8. Detach the LCD FPC from the front module of the tablet as shown in the figure below. Figure 2-8. Detaching the LCD FPC 9. Detach the battery pack from its seat by inserting a thin flat blade into the joint surface as shown in the figure below.
  • Page 41 Lenovo TAB 2 A10-70 10. Remove the battery pack from the front module of the tablet. Figure 2-10. Removing the battery pack Figure 2-11. The removed battery pack...

  • Page 42: 1030 Rear Camera

    Lenovo TAB 2 A10-70 Hardware Maintenance Manual 1030 Rear camera For access, detach the following FRUs: • Rear cover assembly (see Step 1 on page 28 to Step 2 on page 28 in “1010 Rear cover and side key”) • Battery FPC (see Step 1 on page 30 to Step 3 on page 31 in “1020 Battery pack”)
  • Page 43 Lenovo TAB 2 A10-70 Figure 3-3. The removed rear camera...

  • Page 44: 1040 Front Camera

    Lenovo TAB 2 A10-70 Hardware Maintenance Manual 1040 Front camera For access, detach the following FRUs: • Rear cover assembly (see Step 1 on page 28 to Step 2 on page 28 in “1010 Rear cover and side key”) • Battery FPC (see Step 1 on page 30 to Step 3 on page 31 in “1020 Battery pack”)
  • Page 45 Lenovo TAB 2 A10-70 3. Remove the front camera from its seat as shown in the figure below. Figure 4-3. Removing the front camera Figure 4-4. The removed front camera...

  • Page 46: 1050 Lcd Fpc

    Lenovo TAB 2 A10-70 Hardware Maintenance Manual 1050 LCD FPC For access, detach the following FRUs: • Rear cover assembly (see Step 1 on page 28 to Step 2 on page 28 in “1010 Rear cover and side key”) • Battery FPC (see Step 1 on page 30 to Step 3 on page 31 in “1020 Battery pack”)

  • Page 47: Lcd Fpc

    Lenovo TAB 2 A10-70 3. Pull out the LCD FPC from its connector on the main board as shown in the figure below. Figure 5-3. Pulling out the LCD FPC (from the main board side) 4. Detach the LCD FPC from the front module of the tablet as shown in the figure below.
  • Page 48 Lenovo TAB 2 A10-70 Hardware Maintenance Manual 5. Remove the mylar on the LCD FPC at the front module side as shown in the figure below. Figure 5-5. Removing the mylar on the LCD FPC (front module side) 6. Unlock the connector of the LCD FPC on the front module of the tablet using a triangle paddle.
  • Page 49 Lenovo TAB 2 A10-70 7. Pull out the main FPC from its connector on the front module of the tablet as shown in the figure below. Figure 5-7. Pulling out the LCD FPC (from the front module side) Figure 5-8. The removed LCD FPC...

  • Page 50: 1060 Vibrator Motor

    Lenovo TAB 2 A10-70 Hardware Maintenance Manual 1060 Vibrator motor For access, detach the following FRUs: • Rear cover assembly (see Step 1 on page 28 to Step 2 on page 28 in “1010 Rear cover and side key”) • Battery FPC (see Step 1 on page 30 to Step 3 on page 31 in “1020 Battery pack”)
  • Page 51 Lenovo TAB 2 A10-70 Figure 6-3. The removed vibrator motor...

  • Page 52: 1070 Microphone

    Lenovo TAB 2 A10-70 Hardware Maintenance Manual 1070 Microphone For access, detach the following FRUs: • Rear cover assembly (see Step 1 on page 28 to Step 2 on page 28 in “1010 Rear cover and side key”) • Battery FPC (see Step 1 on page 30 to Step 3 on page 31 in “1020 Battery pack”)
  • Page 53 Lenovo TAB 2 A10-70 Figure 7-3. The removed microphone...

  • Page 54: 1080 Antenna Pcb (Lte Version Only)

    Lenovo TAB 2 A10-70 Hardware Maintenance Manual 1080 Antenna PCB (LTE version only) For access, detach the following FRUs: • Rear cover assembly (see Step 1 on page 28 to Step 2 on page 28 in “1010 Rear cover and side key”) •...
  • Page 55 Lenovo TAB 2 A10-70 2. Remove screws on the right speaker as shown in the figure below. Figure 8-2. The screws on the right speaker Part No. Screw (quantity) Color Torque Phillips flat head screw, M1.4 x 3.5 (3) Black 3.
  • Page 56 Lenovo TAB 2 A10-70 Hardware Maintenance Manual Figure 8-4. The removed antenna (LTE version only)

  • Page 57: 1090 Left Speaker

    Lenovo TAB 2 A10-70 1090 Left Speaker For access, detach the following FRUs: • Rear cover assembly (see Step 1 on page 28 to Step 2 on page 28 in “1010 Rear cover and side key”) • Battery FPC (see Step 1 on page 30 to Step 3 on page 31 in “1020 Battery pack”)
  • Page 58 Lenovo TAB 2 A10-70 Hardware Maintenance Manual 2. Remove screws on the left speaker as shown in the figure below. Figure 9-2. The screws on the left speaker Part No. Screw (quantity) Color Torque Phillips flat head screw, M1.4 x 3.5 (3) Black 3.

  • Page 59: Left Speaker

    Lenovo TAB 2 A10-70 Figure 9-4. The removed left speaker...

  • Page 60: 1100 Right Speaker

    Lenovo TAB 2 A10-70 Hardware Maintenance Manual 1100 Right Speaker For access, detach the following FRUs: • Rear cover assembly (see Step 1 on page 28 to Step 2 on page 28 in “1010 Rear cover and side key”) • Battery FPC (see Step 1 on page 30 to Step 3 on page 31 in “1020 Battery pack”)
  • Page 61 Lenovo TAB 2 A10-70 2. Disconnect the antenna cable from its connector on the main board at the position as shown in the figure below (LTE version only). Figure 10-2. Positions for disconnecting the antenna cable (main board side, LTE version only) 3.
  • Page 62 Lenovo TAB 2 A10-70 Hardware Maintenance Manual 4. Remove the conductive fabric tape on the side key FPC as shown in the figure below. Figure 10-4. Removing the conductive fabric tape on the side key FPC 5. Detach the side key FPC from the front module of the tablet using a pair of tweezers.
  • Page 63 Lenovo TAB 2 A10-70 6. Unlock the connector of the TP FPC on the main board using a guitar pick as shown in the figure below. Figure 10-6. Unlocking the connector of the TP FPC 7. Pull out the TP FPC from its unlocked connector using a pair of tweezers as shown in the figure below.
  • Page 64 Lenovo TAB 2 A10-70 Hardware Maintenance Manual 8. Remove screws at the positions as shown in the figure below. Figure 10-8. The screws on the main board and speakers Part No. Screw (quantity) Color Torque Phillips flat head screw, M1.4 x 3.5 (11) Black 9.
  • Page 65 Lenovo TAB 2 A10-70 10. Desolder the wires of the right speaker from their connecting points on the back side of the main board at the position shown in the figure below. Figure 10-10. Position for desoldering the wires of the right speaker...

  • Page 66: 1110 Side Key Fpc

    Lenovo TAB 2 A10-70 Hardware Maintenance Manual 1110 Side key FPC For access, detach the following FRUs: • Rear cover assembly (see Step 1 on page 28 to Step 2 on page 28 in “1010 Rear cover and side key”) •...
  • Page 67 Lenovo TAB 2 A10-70 3. Remove the mylar on the side key FPC as shown in the figure below. Figure 11-3. Removing the mylar on the side key FPC 4. Desolder the wires of the side key FPC from their connecting points on the main board at the position shown in the figure below.

  • Page 68: Side Key Fpc

    Lenovo TAB 2 A10-70 Hardware Maintenance Manual Figure 11-5. The removed side key FPC...

  • Page 69: 1120 Main Board Assembly (With Left And Right Speakers, Microphone, Vibrator Motor, And Side Key Fpc)

    Lenovo TAB 2 A10-70 1120 Main board assembly (with left and right speakers, mi- crophone, vibrator motor, and side key FPC) 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 70 Lenovo TAB 2 A10-70 Hardware Maintenance Manual 2. Disconnect the antenna cable from its connector on the main board at the position as shown in the figure below (LTE version only). Figure 12-2. Positions for disconnecting the antenna cable (main board side, LTE version only) 3.
  • Page 71 Lenovo TAB 2 A10-70 4. Detach the side key FPC from the front module of the tablet using a pair of tweezers. Figure 12-4. Detaching the side key FPC 5. Unlock the connector of the TP FPC on the main board using a guitar pick as shown in the figure below.
  • Page 72 Lenovo TAB 2 A10-70 Hardware Maintenance Manual 6. Pull out the TP FPC from its unlocked connector using a pair of tweezers as shown in the figure below. Figure 12-6. Pulling out the TP FPC 7. Remove screws at the positions as shown in the figure below.
  • Page 73 Lenovo TAB 2 A10-70 8. Remove the main board assembly from the front module of the tablet as shown in the figure below. Figure 12-8. Removing the main board assembly from the front module of the tablet Figure 12-9. The removed main board assembly (with left and right speaker, microphone, vibrator...

  • Page 74: Locations

    Lenovo TAB 2 A10-70 Hardware Maintenance Manual Locations Front and side view Front camera Audio Jack Power key Volume key Micro-USB port...

  • Page 75: Rear View

    Lenovo TAB 2 A10-70 Rear view Left speaker Rear camera Right speaker Micro-SD card slot SIM card slot (LTE version only)

  • Page 76: Parts List

    Lenovo TAB 2 A10-70 Hardware Maintenance Manual Parts list This section presents the following service parts: • “Overall” on page 70 • “Screws” on page 74 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 77 Lenovo TAB 2 A10-70...
  • Page 78 Lenovo TAB 2 A10-70 Hardware Maintenance Manual Table 1. Parts list–Overall FRU No. CRU ID Lenovo TAB 2 A10-70 rear cover WiFi version: 5S58C01485 (blue) 5S58C02043 (white) LTE version: 5S58C02044 (blue) 5S58C02045 (white) Lenovo TAB 2 A10-70 front module (TP...
  • Page 79 Lenovo TAB 2 A10-70 Lenovo TAB 2 A10-70 battery pack SB18C00020 SB18C00021...

  • Page 80: Screws

    Lenovo TAB 2 A10-70 Hardware Maintenance Manual Screws Table 2. Parts list–Screw CRU ID × 3.5 Phillips cross head screw, M1.4 5M89A462AV × 3.0 Phillips cross head screw, M1.4 5M89A33180...

  • Page 81: 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 82: 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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