Lenovo TAB 2 A7-30F Hardware Maintenance Manual
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Lenovo TAB 2 A7-30F Hardware Maintenance Manual

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See also: User Manual
Lenovo TAB 2 A7-30
Hardware Maintenance Manual
Lenovo TAB 2 A7-30F
Lenovo TAB 2 A7-30GC
Lenovo TAB 2 A7-30H
Lenovo TAB 2 A7-30HC

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  • Page 1 Lenovo TAB 2 A7-30 Hardware Maintenance Manual Lenovo TAB 2 A7-30F Lenovo TAB 2 A7-30GC Lenovo TAB 2 A7-30H Lenovo TAB 2 A7-30HC...
  • 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

    1010 Rear cover and side key..... 28 1020 Battery pack......... 30 1030 Rear camera......... 33 1040 Speaker..........35 1050 Antenna (Lenovo TAB 2 A7-30GC/H/ HC) ..............38 1060 Microphone ......... 43 1070 Main board assembly (with antenna chip, microphone, vibrator motor, speaker, side key FPC, and front camera) ....

  • 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 TAB 2 A7-30 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 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 TAB 2 A7-30 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 TAB 2 A7-30 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 TAB 2 A7-30 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 TAB 2 A7-30 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 TAB 2 A7-30 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 TAB 2 A7-30 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 TAB 2 A7-30 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 Tab 2 A7-30

    The listed technical data is applicable to all versions of the product, i.e. the WiFi version (Lenovo TAB 2 A7-30F), the 2G version (Lenovo TAB 2 A7- 30GC), the 3G data version (Lenovo TAB 2 A7-30H) and the 3G voice version (Lenovo TAB 2 A7-30HC), unless otherwise specified.
  • Page 29 • Micro-SD card slot (support external Micro-SD card up to 32GB) Communication • WiFi: 802.11b/g/n • GSM/EDGE: 850/900/1800/1900MHz • WCDMA: 2100/850/1900MHz (Lenovo TAB 2 A7- 30H/HC) • Bluetooth 4.0 • A-GPS (support GPS) • Voice call (Lenovo TAB 2 A7-30GC/HC) •...

  • 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 TAB 2 A7-30 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 And Side Key

    Lenovo TAB 2 A7-30 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 33 Lenovo TAB 2 A7-30 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 34: 1020 Battery Pack

    Lenovo TAB 2 A7-30 Hardware Maintenance Manual 1020 Battery pack For access, remove the following FRU: • “1010 Rear cover and side key” on page 28 Rechargeable Battery Notice CAUTION: Risk of explosion if the battery is replaced with an incorrect type.
  • Page 35 Lenovo TAB 2 A7-30 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 triangle paddle. Figure 2-3. Disconnecting the battery FPC...
  • Page 36 Lenovo TAB 2 A7-30 Hardware Maintenance Manual 4. Remove the battery pack from the front module of the tablet. Figure 2-4. Removing the battery pack Figure 2-5. The removed battery pack...

  • Page 37: 1030 Rear Camera

    Lenovo TAB 2 A7-30 1030 Rear camera For access, remove the following FRU: • “1010 Rear cover and side key” on page 28 Detach the following FPC from the main board: • Battery FPC (see Step 1 on page 30 to Step 3 on page 31 in “1020 Battery pack”)
  • Page 38 Lenovo TAB 2 A7-30 Hardware Maintenance Manual 2. Remove the rear camera from its seat as shown in the figure below. Figure 3-2. Removing the rear camera Figure 3-3. The removed rear camera...

  • Page 39: 1040 Speaker

    1. Desolder the wires of the speaker from their connecting points on the main board at the position shown in the figure below. Figure 4-1. Position for desoldering the wires of the speaker (Lenovo TAB 2 A7-30GC/H/HC) Figure 4-2. Position for desoldering the wires of the speaker (Lenovo TAB 2 A7-30F)
  • Page 40 Lenovo TAB 2 A7-30 Hardware Maintenance Manual 2. Remove screws on the speaker as shown in the figure below. Figure 4-3. The screws on the speaker Part No. Screw (quantity) Color Torque Phillips flat head screw, M1.4 x 3.5 (2) Silver 3.
  • Page 41 Lenovo TAB 2 A7-30 Figure 4-5. The removed speaker...

  • Page 42: 1050 Antenna (Lenovo Tab 2 A7-30Gc/H/Hc)

    1. Remove screws on the antenna bracket as shown in the figure below. Figure 5-1. The screws on the antenna bracket (Lenovo TAB 2 A7-30GC) Figure 5-2. The screws on the antenna bracket (Lenovo TAB 2 A7-30H/HC) Part No. Screw (quantity)
  • Page 43 Lenovo TAB 2 A7-30 2. Remove the antenna bracket as shown in the figure below. Figure 5-3. Removing the antenna bracket (Lenovo TAB 2 A7-30GC) Figure 5-4. Removing the antenna bracket (Lenovo TAB 2 A7-30H/HC)
  • Page 44 3. Detach the antenna cable from its connector on the main board as shown in the figure below. Figure 5-5. Detaching the antenna cable 4. Detach the antenna PCB from the front module of the tablet using a pair of tweezers. Figure 5-6. Detaching the antenna PCB (Lenovo TAB 2 A7-30GC)
  • Page 45 Lenovo TAB 2 A7-30 Figure 5-7. Detaching the antenna PCB (Lenovo TAB 2 A7-30H/HC) 5. Detach the antenna cable from the front module of the tablet. Figure 5-8. Detaching the antenna cable...
  • Page 46 Lenovo TAB 2 A7-30 Hardware Maintenance Manual Figure 5-9. The removed antenna (Lenovo TAB 2 A7-30GC) Figure 5-10. The removed antenna (Lenovo TAB 2 A7-30H/HC)

  • Page 47: 1060 Microphone

    • Battery FPC (see Step 1 on page 30 to Step 3 on page 31 in “1020 Battery pack”) • Antenna bracket (Lenovo TAB 2 A7-30H/HC only) (see Step 1 on page 38 and Step 2 on page 39 in “1050 Antenna (Lenovo TAB 2 A7-30GC/H/HC)”) •...
  • Page 48 Lenovo TAB 2 A7-30 Hardware Maintenance Manual 2. Remove the microphone from its rubber seat as shown in the figure below. Figure 6-2. Removing the microphone Figure 6-3. The removed microphone...

  • Page 49: 1070 Main Board Assembly (With Antenna Chip, Microphone, Vibrator Motor, Speaker, Side Key Fpc, And Front Camera)

    • “1030 Rear camera” on page 33 • Antenna cable (Lenovo TAB 2 A7-30GC/H/HC only) (see Step 3 on page 40 in “1050 Antenna (Lenovo TAB 2 A7-30GC/H/HC)”) 1. Peel off the conductive fabric as shown in the figure below.
  • Page 50 Lenovo TAB 2 A7-30 Hardware Maintenance Manual 2. Remove screws on the main board assembly as shown in the figure below. Figure 7-2. The screws on the main board assembly Part No. Screw (quantity) Color Torque Phillips flat head screw, M1.4 × 3.0 (4) Silver 3.
  • Page 51 Lenovo TAB 2 A7-30 4. Remove the mylar on the main FPC as shown in the figure below. Figure 7-4. Removing the mylar on the main FPC 5. Unlock the connector of the main FPC on the main board using a triangle paddle.
  • Page 52 Lenovo TAB 2 A7-30 Hardware Maintenance Manual 6. Detach the main board with the front camera, and the side key FPC, by pulling out the main FPC from its unlocked connector using a pair of tweezers. Figure 7-6. Pulling out the main FPC Figure 7-7.

  • Page 53: 1080 Vibrator Motor

    Lenovo TAB 2 A7-30 1080 Vibrator motor For access, remove the following FRU: • “1010 Rear cover and side key” on page 28 Detach the following FPC and FRUs: • Battery FPC (see Step 1 on page 30 to Step 3 on page 31 in “1020 Battery pack”)
  • Page 54 Lenovo TAB 2 A7-30 Hardware Maintenance Manual 2. Remove the vibrator motor as shown in the figure below. Figure 8-2. Removing the vibrator motor Figure 8-3. The removed vibrator motor...

  • Page 55: 1090 Main Fpc

    Lenovo TAB 2 A7-30 1090 Main FPC For access, remove the following FRU: • “1010 Rear cover and side key” on page 28 • “1020 Battery pack” on page 30 Detach the following FRUs: • Speaker (see Step 2 on page 36 in “1040 Speaker”) •...
  • Page 56 2. Detach the main FPC PCB on the front module as shown in the figure below(Lenovo TAB 2 A7-30GC/H/HC only) . Figure 9-2. Detaching the main FPC PCB (Lenovo TAB 2 A7-30GC/H/HC only) 3. Unlock the connector of the main FPC on the front module of the tablet using a triangle paddle.
  • Page 57 4. Pull out the main FPC from its connector on the front module of the tablet as shown in the figure below. Figure 9-4. Pulling out the main FPC (from the front module side) Figure 9-5. The removed main FPC (Lenovo TAB 2 A7-30GC/H/HC) Figure 9-6. The removed main FPC (Lenovo TAB 2 A7-30F)

  • Page 58: Locations

    Lenovo TAB 2 A7-30 Hardware Maintenance Manual Locations Front and side view Front camera Speaker SIM card slot Micro-SD card slot Volume key Power key...

  • Page 59: Rear View

    Lenovo TAB 2 A7-30 Rear view Audio Jack Rear camera Microphone Micro-USB connection...
  • Page 60 The listed technical data is applicable to all versions of the product, i.e. the WiFi version (Lenovo TAB 2 A7-30F), the 2G version (Lenovo TAB 2 A7- 30GC), the 3G data version (Lenovo TAB 2 A7-30H) and the 3G voice version (Lenovo TAB 2 A7-30HC), unless otherwise specified.
  • Page 61 Lenovo TAB 2 A7-30...
  • Page 62 Lenovo TAB 2 A7-30 Hardware Maintenance Manual Table 1. Parts list–Overall No. FRU FRU No. CRU ID Lenovo TAB 2 A7-30 rear cover Lenovo TAB 2 A7-30F: 5S58C01397 (black) Lenovo TAB 2 A7-30GC/H/ 5S58C00381 (black) 5S58C00590 (white) 5S58C01155 (pink) 5S58C01156 (blue)
  • Page 63 Lenovo TAB 2 A7-30 Lenovo TAB 2 A7-30 battery pack SB19A46297 SB19A46296 Lenovo TAB 2 A7-30 metal piece for 5M88C00410 fixing the battery FPC 5M88C00411 Lenovo TAB 2 A7-30 side key FPC 5F78C00397 5F78C00398 Lenovo TAB 2 A7-30 main board...
  • Page 64 Lenovo TAB 2 A7-30 Hardware Maintenance Manual Screws Table 2. Parts list–Screw CRU ID × 3.0 Phillips cross head screw, M1.4 5M89A33180...
  • Page 65 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 66 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...
  • Page 67 Notices...

This manual is also suitable for:

Tab 2 a7-30hcTab 2 a7-30gcTab 2 a7-30hTab 2 a7-30 series

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