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Lenovo a7600 Hardware Maintenance Manual
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Lenovo a7600 Hardware Maintenance Manual

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  • Page 1 Lenovo A7600 Hardware Maintenance Manual...
  • Page 2 First Edition (February 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 A7600..........24 Specifications ............. 24 FRU replacement notices........26 Screw notices..........26 Removing and replacing an FRU....27 1010 Rear cover and side keys....

  • 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 A7600 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 A7600 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 A7600 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 A7600 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 A7600 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 A7600 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 A7600 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 A7600 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 (3G version only), PASSWORDS, DEVICE ADMINISTRATION and CREDENTIAL STORAGE.

  • Page 28: Lenovo A7600

    • “Removing and replacing an FRU” on page 27 • “Locations” on page 73 • “Parts list” on page 75 Specifications The following table lists the specifications of the Lenovo A7600 tablet. Table 1. Specifications Feature Description Size & Weight Size •...
  • Page 29 Lenovo A7600 Ports • Micro-USB (USB 2.0), 5-pin • Earphone, 3.5mm • SIM card slot • T-flash card slot Communication • WiFi, 802.11b/g/n • WiFi Direct • WiFi display • A-GPS (10s fast positioning) • Bluetooth 4.0 • FM radio Others •...

  • 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 A7600 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 Keys

    Lenovo A7600 Hardware Maintenance Manual 1010 Rear cover and side keys 1. Open the card slot cover of the tablet using a guitar pick. Figure 1-1. Opening the card slot cover 2. Remove screw in the card slot recess. Figure 1-2. The screw in the card slot recess Part No.
  • Page 33 Lenovo A7600 Note: The screw is sealed by the manufacturer for checking the warranty qualification of the product. 3. 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.
  • Page 34 Lenovo A7600 Hardware Maintenance Manual CAUTION: Handle with care! The rear cover can be damaged at its four corners! Do not cut into the corners of the rear cover using the guitar pick or try to lift the rear cover off the tablet when the locks near the corners have not been disengaged.
  • Page 35 Lenovo A7600 5. Detach the power key from the rear cover using a pair of tweezers. Figure 1-5. Detaching the power key 6. Remove the power key Figure 1-6. The removed power key...
  • Page 36 Lenovo A7600 Hardware Maintenance Manual 7. Detach the volume key from the rear cover using a pair of tweezers. Figure 1-7. Detaching the volume key 8. Remove the volume key. Figure 1-8. The removed volume key...

  • Page 37: 1020 Battery Pack

    Lenovo A7600 1020 Battery pack For access, remove the following FRUs: • “1010 Rear cover and side keys” on page 28 CAUTION: Risk of explosion if the battery is replaced with an incorrect type. When replacing the lithium battery, use only the same or an equivalent type that is recommended by the manufacturer.
  • Page 38 Lenovo A7600 Hardware Maintenance Manual 2. Detach the battery pack from its seat by inserting a thin flat blade into the joint surface and then cutting along the joint line in the direction shown in the figure below. Figure 2-2. Detaching the battery pack 3.

  • Page 39: 1030 Battery Holder

    Lenovo A7600 1030 Battery holder For access, remove the following FRUs in order: • “1010 Rear cover and side keys” on page 28 • “1020 Battery pack” on page 33 1. Peel off the conductive fabrics on the battery holder as shown in the figure below.
  • Page 40 Lenovo A7600 Hardware Maintenance Manual Part No. Screw (quantity) Color Torque Phillips flat head screw (4) Silver 3. Remove the battery holder from the front module of the tablet. Figure 3-3. The removed battery holder...

  • Page 41: 1040 Lcm Fpc

    Lenovo A7600 1040 LCM FPC For access, remove the following FRUs in order: • “1010 Rear cover and side keys” on page 28 • “1020 Battery pack” on page 33 • “1030 Battery holder” on page 35 1. Peel off the mylar on the LCM FPC connector on the main board.
  • Page 42 Lenovo A7600 Hardware Maintenance Manual 3. Pull out the LCM FPC from the unlocked connector using a pair of tweezers. Figure 4-3. Pulling out the LCM FPC 4. Peel off the mylar on the LCM FPC connector on the front module.
  • Page 43 Lenovo A7600 5. Unlock the LCM FPC connector mentioned in Step 4 using a guitar pick or a thin flat blade. Figure 4-5. Unlocking the LCM FPC connector (on the front module)
  • Page 44 Lenovo A7600 Hardware Maintenance Manual 6. Pull out the LCM FPC from the unlocked connector using a pair of tweezers. Figure 4-6. Pulling out the LCM FPC The LCM FPC is now removed.

  • Page 45: 1050 Rear Camera

    Lenovo A7600 1050 Rear camera For access, remove the following FRUs in order: • “1010 Rear cover and side keys” on page 28 • “1020 Battery pack” on page 33 1. Detach the FPC of the rear camera from its connector on the main board using a thin flat blade or guitar pick.
  • Page 46 Lenovo A7600 Hardware Maintenance Manual 2. Remove the rear camera from the tablet. Figure 5-2. Removing the rear camera...

  • Page 47: 1060 Antenna And Cap Sensor Fpc Assembly

    Lenovo A7600 1060 Antenna and CAP sensor FPC assembly For access, remove the following FRUs in order: • “1010 Rear cover and side keys” on page 28 • “1020 Battery pack” on page 33 1. Peel off the mylar on the CAP sensor FPC connector that is located on the main board.
  • Page 48 Lenovo A7600 Hardware Maintenance Manual 3. Pull out the CAP sensor FPC from its connector using a pair of tweezers. Figure 6-3. Pulling out the CAP sensor FPC 4. Remove screw under the disconnected end of the CAP sensor FPC.
  • Page 49 Lenovo A7600 5. Peel off the other end of the CAP sensor FPC from the antenna box. Figure 6-5. Peeling off the other end of the CAP sensor FPC Remove screw under the peeled-off end of the CAP sensor FPC.
  • Page 50 Lenovo A7600 Hardware Maintenance Manual 7. Detach the RF cable from its connector on the main board using a guitar pick. Figure 6-7. Detaching the RF cable 8. Take out the RF cable from the cable duct in the front module of the tablet.
  • Page 51 Lenovo A7600 9. Peel off the conductive fabric (shown in figure below) of the antenna from the battery holder. Figure 6-9. The conductive fabric of the antenna...
  • Page 52 Lenovo A7600 Hardware Maintenance Manual 10. Slowly remove the antenna and CAP sensor FPC assembly from the front module while keeping its conductive fabric clear of the cables of the right speaker. Figure 6-10. Removing the antenna and CAP sensor FPC assembly...

  • Page 53: 1070 Sim Board Fpc

    Lenovo A7600 1070 SIM board FPC For access, remove the following FRUs in order: • “1010 Rear cover and side keys” on page 28 • “1020 Battery pack” on page 33 1. Peel off the mylar on the SIM board FPC connector on the SIM board.
  • Page 54 Lenovo A7600 Hardware Maintenance Manual 3. Peel off the mylar on the SIM board FPC connector on the main board. Figure 7-3. Peeling off the mylar at the main board end 4. Unlock the SIM board FPC connector on the main board using a guitar pick or a thin flat blade.
  • Page 55 Lenovo A7600 5. Pull out the SIM board FPC from both connectors using a pair of tweezers. Figure 7-5. Pulling out the SIM board FPC The SIM board FPC is now removed.

  • Page 56: 1080 Sim Board

    Lenovo A7600 Hardware Maintenance Manual 1080 SIM 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 57 Lenovo A7600 2. Remove the SIM board. Figure 8-2. The removed SIM board...

  • Page 58: 1090 Main Board

    Lenovo A7600 Hardware Maintenance Manual 1090 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 59 Lenovo A7600 2. Unlock the TP FPC connector using a guitar pick. Figure 9-2. Unlocking the TP FPC connector 3. Pull out the TP FPC from its connector using a pair of tweezers. Figure 9-3. Pulling out the TP FPC...
  • Page 60 Lenovo A7600 Hardware Maintenance Manual 4. Desolder the wires of the vibrator motor from the main board at the position shown in the figure below. Figure 9-4. Desoldering the wires of the vibrator motor...
  • Page 61 Lenovo A7600 5. Desolder the wires of the left speaker from the main board at the position shown in the figure below. Figure 9-5. Desoldering the wires of the left speaker...
  • Page 62 Lenovo A7600 Hardware Maintenance Manual 6. Desolder the wires of the right speaker from the main board at the position shown in the figure below. Figure 9-6. Desoldering the wires of the right speaker...
  • Page 63 Lenovo A7600 7. Remove screws on the main board. Figure 9-7. The screws on the main board Part No. Screw (quantity) Color Torque Phillips flat head screw (4) Silver 8. Release the main board from the lock at the position shown in the figure below.
  • Page 64 Lenovo A7600 Hardware Maintenance Manual 9. Release the main board from another lock at the position shown in the figure below. Figure 9-9. Releasing the lock of the main board (second place)
  • Page 65 Lenovo A7600 10. Lift the main board on the top side and then remove it from the front module in the direction shown in the figure below. Figure 9-10. Removing the main board...
  • Page 66 Lenovo A7600 Hardware Maintenance Manual 11. Turn over the main board and then peel off the mylar on FPC connector of the front camera. Figure 9-11. Peeling off the mylar on the FPC connector 12. Unlock the FPC connector of the front camera using a guitar pick.
  • Page 67 Lenovo A7600 13. Pull out the front camera from its connector using a pair of tweezers. Figure 9-13. Pulling out the front camera The main board is now separated from other components and removed from the tablet.

  • Page 68: 1100 Front Camera

    Lenovo A7600 Hardware Maintenance Manual 1100 Front camera The procedure for removing the front camera is the same as that of the main board. Please refer to “1090 Main board” on page 54.

  • Page 69: 1110 Vibrator Motor

    Lenovo A7600 1110 Vibrator motor For access, remove the following FRUs in order: • “1010 Rear cover and side keys” on page 28 • “1020 Battery pack” on page 33 1. Desolder the wires of the vibrator motor as described in Step 4 on page 56 in “1090 Main board”.

  • Page 70: 1120 Left Speaker

    Lenovo A7600 Hardware Maintenance Manual 1120 Left speaker For access, remove the following FRUs in order: • “1010 Rear cover and side keys” on page 28 • “1020 Battery pack” on page 33 • “1030 Battery holder” on page 35 •...
  • Page 71 Lenovo A7600 2. Detach the left speaker from its seat on the front module of the tablet using a thin flat blade. Figure 12-2 Detaching the left speaker 3. Slowly pull out the wires of the left speaker through the hole in the front module.
  • Page 72 Lenovo A7600 Hardware Maintenance Manual 4. Remove the left speaker. Figure 12-4 The removed left speaker...

  • Page 73: 1130 Right Speaker

    Lenovo A7600 1130 Right speaker For access, remove the following FRUs in order: • “1010 Rear cover and side keys” on page 28 • “1020 Battery pack” on page 33 • “1030 Battery holder” on page 35 • “1040 LCM FPC” on page 37 •...
  • Page 74 Lenovo A7600 Hardware Maintenance Manual Figure 13-1 Taking out the wires from the wire duct 2. Remove the glue that is used to fix the wires of the right speaker using a thin flat blade. Figure 13-2 Removing the glue (right speaker)
  • Page 75 Lenovo A7600 3. Detach the right speaker from its seat on the front module of the tablet using a thin flat blade. Figure 13-3 Detaching the right speaker 4. Slowly pull out the wires of the right speaker through the hole in the front module.
  • Page 76 Lenovo A7600 Hardware Maintenance Manual 5. Remove the right speaker. Figure 13-5 The removed right speaker...

  • Page 77: Locations

    Lenovo A7600 Locations Front view Left speaker Front camera Right speaker...

  • Page 78: Rear View

    Lenovo A7600 Hardware Maintenance Manual Rear view Microphone Rear camera Power key Volume key Earphone socket Micro-USB connection SIM card slot T-flash card slot...

  • Page 79: Parts List

    Lenovo A7600 Parts list This section presents the following service parts: • “Overall” on page 75 • “Screw” on page 77 Overall...
  • Page 80 Lenovo A7600 Hardware Maintenance Manual Table 1. Parts list–Overall FRU No. CRU ID A7600 front module (TP LCM assembly) 5D69A6MVWR A7600 rear cover 5SR9A6MVXJ A7600 battery holder 5M89A6MVX2 A7600 battery pack 5B19A4657R A7600 vibrator motor 5M79A6MVWV A7600 rear camera 5C29A4679V...

  • Page 81: Screw

    Lenovo A7600 Screw Table 2. Parts list–Screw CRU ID Phillips flat head screw, black 5M89A6MVWA Phillips flat head screw, silver 5M89A6MVXD...

  • Page 82: 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 83: 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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