Lenovo A3300 Hardware Maintenance Manual
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Lenovo A3300 Hardware Maintenance Manual

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  • Page 1 A3300 Hardware Maintenance Manual...
  • Page 2 First Edition (January 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 A3300..........24 Specifications ............. 24 FRU replacement notices........26 Screw notices..........26 Removing and replacing an FRU....27 1010 Rear cover and side key..... 28 1020 Battery pack.........

  • 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 A3300 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 A3300 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 A3300 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 A3300 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 A3300 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 A3300 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 A3300 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 A3300 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 A3300

    • “Removing and replacing an FRU” on page 27 • “Locations” on page 56 • “Parts list” on page 58 Specifications The following table lists the specifications of the Lenovo A3300 tablet. Table 1. Specifications Feature Description Size & Weight Size •...
  • Page 29 Lenovo A3300 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 display, Miracast support, HDCP 1.X • A-GPS (supporting GPS) • Bluetooth 3.0 • 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 A3300 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 A3300 Hardware Maintenance Manual 1010 Rear cover and side key 1. 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 Figure 1-1.
  • Page 33 Lenovo A3300 3. Remove the side key from the rear cover using a pair of tweezer. Figure 1-3. Removing the side key...

  • Page 34: 1020 Battery Pack

    Lenovo A3300 Hardware Maintenance Manual 1020 Battery pack For access, remove the following FRUs: • “1010 Rear cover and side key” 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 35 Lenovo A3300 2. Remove screw for fixing the steel frame and then remove the steel frame from the PCBA. Figure 2-2. The screw on the steel frame Part No. Screw (quantity) Color Torque Phillips flat head screw, M1.4 x 3.5 (1) Black 3.
  • Page 36 Lenovo A3300 Hardware Maintenance Manual 4. Detach the battery connection with the PCBA. Figure 2-4. Detaching the battery connection...
  • Page 37 Lenovo A3300 5. Detach the battery pack from its seat on the front module of the tablet using a thin flat blade. Figure 2-5. Detaching the battery pack 6. Remove the battery pack from the front module of the tablet.

  • Page 38: 1030 Rear Camera

    Lenovo A3300 Hardware Maintenance Manual 1030 Rear camera For access, remove the following FRUs: • “1010 Rear cover and side key” on page 28 1. Disconnect the FPC of the rear camera from its connector on the PCBA using a guitar pick.
  • Page 39 Lenovo A3300 3. Remove the rear camera from the tablet. Figure 3-3. The removed rear camera...

  • Page 40: 1040 Microphone

    Lenovo A3300 Hardware Maintenance Manual 1040 Microphone For access, remove the following FRUs: • “1010 Rear cover and side key” on page 28 1. Desolder the wires of the microphone from their connecting points on the PCBA using a soldering iron and a solder sucker.
  • Page 41 Lenovo A3300 3. Detach the microphone from its rubber socket on the front module of the tablet. Figure 4-3. Detaching the microphone 4. Remove the microphone from the front module of the tablet. Figure 4-4. The Removed microphone...

  • Page 42: 1050 Vibrator Motor

    Lenovo A3300 Hardware Maintenance Manual 1050 Vibrator motor For access, remove the following FRUs: • “1010 Rear cover and side key” on page 28 1. Desolder the wires of the vibrator motor from their connecting points on the PCBA using a soldering iron and a solder sucker.
  • Page 43 Lenovo A3300 3. Remove the vibrator motor from the front module. Figure 5-3. The removed vibrator motor...

  • Page 44: 1060 Receiver

    Lenovo A3300 Hardware Maintenance Manual 1060 Receiver For access, remove the following FRUs: • “1010 Rear cover and side key” on page 28 1. Desolder the wires of the receiver from their connecting points on the PCBA using a soldering iron and a solder sucker.
  • Page 45 Lenovo A3300 3. Remove the receiver from the tablet. Figure 6-3. The removed receiver...

  • Page 46: 1070 Pcba

    Lenovo A3300 Hardware Maintenance Manual 1070 PCBA 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 47 Lenovo A3300 1. Detach the side key FPC from the front module of the tablet using a guitar pick or a thin flat blade. Figure 7-1. Detaching the side key FPC 2. Remove screws for fixing the speaker onto the front module of the tablet.
  • Page 48 Lenovo A3300 Hardware Maintenance Manual 3. Move the wires of the speaker out from the wire duct in the front module of the tablet. Figure 7-3. The speaker wires 4. Detach the speaker and its wires from the front module of the tablet.
  • Page 49 Lenovo A3300 5. Peel off the mylar on the TP FPC connector on the PCBA. Figure 7-5. The mylar on the TP FPC connector 6. Unlock the TP FPC connector using a guitar pick. Figure 7-6. Unlock the TP FPC connector...
  • Page 50 Lenovo A3300 Hardware Maintenance Manual 7. Detach the TP FPC from the PCBA using a guitar pick or a thin flat blade. Figure 7-7. Detaching the TP FPC 8. Pull out the TP FPC from its connector using a pair of tweezer.
  • Page 51 Lenovo A3300 10. Unlock the LCD FPC connector using a guitar pick. Figure 7-10. Unlocking the LCD FPC connector 11. Pull out the LCD FPC from its connector using a pair of tweezer. Figure 7-11. Pulling out the LCD FPC...
  • Page 52 Lenovo A3300 Hardware Maintenance Manual 12. Remove screws for fixing the PCBA onto the front module of the tablet. Figure 7-12. The screws for fixing the PCBA Note: One of the screws is sealed by the manufacturer for checking the warranty qualification of the product.
  • Page 53 Lenovo A3300 13. Slowly remove the PCBA, with the side key FPC, the speaker, and the front camera still connected to it, from the front module of the tablet. Figure 7-13. Removing the PCBA from the front module...
  • Page 54 Lenovo A3300 Hardware Maintenance Manual 14. Turn over the PCBA and then peel off the mylar on the soldering pad of the side key FPC. Figure 7-14. Peeling off the mylar 15. Desolder the side key FPC from the PCBA using a soldering iron and a solder sucker.
  • Page 55 Lenovo A3300 16. Remove the side key FPC from the PCBA. 17. Desolder the wires of the speaker from the PCBA using a soldering iron and a solder sucker. Figure 7-16. Position of desoldering the speaker wires 18. Remove the speaker from the PCBA.
  • Page 56 Lenovo A3300 Hardware Maintenance Manual 20. Desolder the FPC of the front camera from the PCBA using a soldering iron and a solder sucker. Figure 7-18. Position of desoldering the FPC of the front camera 21. Detach the front camera from its seat on the PCBA using a guitar pick or a thin flat blade.

  • Page 57: 1080 Side Key Fpc

    Lenovo A3300 1080 Side key FPC For access, remove the following FRUs: • “1010 Rear cover and side key” on page 28 • “1020 Battery pack” on page 30 detach the following FRUs: • Side key FPC (Step 1 in “1070 PCBA” on page 42) •...

  • Page 58: 1090 Speaker

    Lenovo A3300 Hardware Maintenance Manual 1090 Speaker For access, remove the following FRUs: • “1010 Rear cover and side key” on page 28 • “1020 Battery pack” on page 30 detach the following FRUs: • Side key FPC (Step 1 in “1070 PCBA” on page 42) •...

  • Page 59: 1100 Front Camera

    Lenovo A3300 1100 Front camera For access, remove the following FRUs: • “1010 Rear cover and side key” on page 28 • “1020 Battery pack” on page 30 detach the following FRUs: • Side key FPC (Step 1 in “1070 PCBA” on page 42) •...

  • Page 60: Locations

    Lenovo A3300 Hardware Maintenance Manual Locations Front view Front camera Receiver Speaker...

  • Page 61: Rear View

    Lenovo A3300 Rear view Rear camera Micro-USB connection Earphone socket T-flash card slot SIM card slot Microphone Volume key Power key...

  • Page 62: Parts List

    Lenovo A3300 Hardware Maintenance Manual Parts list This section presents the following service parts: • “Overall” on page 58 • “Screw” on page 60 Overall...
  • Page 63 HQ20330041000 HQ20330042000 HQ21800045000 A3300 rear camera HQ20200512000 HQ20200514000 HQ20200531000 A3300 PCBA HQ31202625000 A3300 front camera HQ20200163000 HQ20200164000 A3300 side key FPC HQ22010153000 HQ22010154000 A3300 side key HQ21000841000 HQ21000842000 A3300 microphone HQ20500034000 A3300 battery pack HQ60330492000 HQ60330493000 A3300 vibrator motor HQ20400008000...
  • Page 64 Lenovo A3300 Hardware Maintenance Manual Screw Table 2. Parts list–Screw CRU ID Phillips flat head screw, M1.4 HQ22110009000...
  • 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 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 ®...

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