Checking the internal battery status..22 Related service information .......23 Security ............... 23 Power management .......... 23 Activating/Deactivating the Display ..23 Lenovo B8080..........24 Specifications ............. 24 FRU replacement notices........26 Screw notices..........26 Removing and replacing an FRU....27 1010 Rear cover..........
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”...
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 •...
Lenovo B8080 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.
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.
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Lenovo B8080 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.
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.
Lenovo B8080 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.
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.
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Lenovo B8080 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.
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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.
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Lenovo B8080 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.
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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.
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Lenovo B8080 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.
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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.
Lenovo B8080 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.
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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.
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.
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: •...
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.
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: •...
Lenovo B8080 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.
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. Turn off the computer.
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.
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.
• “Locations” on page 73 • “Parts list” on page 75 Specifications The following table lists the specifications of the Lenovo B8080 tablet. Note: The listed technical data is applicable to both versions of the product, i.e. the 3G version and the WiFi version, unless otherwise specified.
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: •...
Lenovo B8080 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.
Lenovo B8080 Hardware Maintenance Manual 1010 Rear cover 1. Open the hinge frame and then remove the card slot cover of the tablet using a thin flat blade or guitar pick. Figure 1-1. Opening the card slot cover 2. Remove screws on the rear cover as shown in the figure below.
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Lenovo B8080 Note: The screws are sealed by the manufacturer for checking the warranty qualification of the product. 3. Separate the top right corner of the rear cover from the main body of the tablet using a suction tool as shown in the figure below.
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Lenovo B8080 Hardware Maintenance Manual Figure 1-4. Separating the rear cover from the main body (top center and top left) 5. Attach the suction tool to the areas as shown in the figure below to disengage the three locks inside the rear cover.
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Lenovo B8080 CAUTION: Handle with care! The rear cover or its locks can be damaged! Do not try to lift the rear cover off the tablet when it is tightly locked at some places. Use the suction tool to unlock these places first.
Lenovo B8080 Hardware Maintenance Manual 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 guitar pick.
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Lenovo B8080 Pull out the FPC of the right speaker from its connector using a pair of tweezers. Figure 2-3. Pulling out the FPC of the right speaker 4. Remove screws on the holder of the right speaker as shown in the figure below.
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Lenovo B8080 Hardware Maintenance Manual 5. Remove the holder of the right speaker. Figure 2-5. Removing the holder...
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Lenovo B8080 6. Lift one end of the right speaker using a thin flat blade and at the same time push the right speaker on the other end in the direction as shown in the figure below. Figure 2-6. Removing the right speaker 7. Remove the right speaker.
Lenovo B8080 Hardware Maintenance Manual 1030 Battery pack For access, remove the following FRUs in order: • “1010 Rear cover” on page 28 • “1020 Right speaker” on page 32 Rechargeable Battery Notice CAUTION: Risk of explosion if the battery is replaced with an incorrect type.
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Lenovo B8080 2. Slowly pull out the hinge pivot using a pair of tweezers until about half the pivot length moves out. Figure 3-2. Pulling out the hinge pivot 3. Detach the hinge frame at the left end, turn the hinge frame clockwise around...
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Lenovo B8080 Hardware Maintenance Manual Figure 3-3. Removing the hinge frame with the battery pack 4. Peel off the foil on the battery cover at the FPC end of the hinge frame. Figure 3-4. Peeling off the foil on the battery cover...
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Lenovo B8080 5. Remove screw on the battery cover as shown in the figure below. Figure 3-5. The screw on the battery cover Step Screw (quantity) Color Torque Phillips flat-head screw, M1.4 × 3.0 (1) Silver 6. Remove the battery cover as shown in the figure below.
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Lenovo B8080 Hardware Maintenance Manual 7. Remove the battery pack from the hinge frame. Figure 3-7. Removing the battery pack...
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Lenovo B8080 8. Remove the hinge pivot by pushing it on the right side. Figure 3-8. Removing the hinge pivot...
Lenovo B8080 Hardware Maintenance Manual 1040 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 guitar pick.
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Lenovo B8080 3. Detach the vibrator motor from its seat on the front module using a thin flat blade. Figure 4-3. Detaching the vibrator motor 4. Remove the vibrator motor. Figure 4-4. The removed vibrator motor...
Lenovo B8080 Hardware Maintenance Manual 1050 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 guitar pick.
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Lenovo B8080 3. Peel off the main FPC from the front module as shown in the figure below. Figure 5-3. Peeling off the main FPC 4. Unlock the connector of the main FPC on the main board using a guitar pick.
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Lenovo B8080 Hardware Maintenance Manual 5. Remove the main FPC from the unlocked connector. Figure 5-5. Removing the main FPC...
Lenovo B8080 1060 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.
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Lenovo B8080 Hardware Maintenance Manual (picture from WiFi version product) Figure 6-1. Unlocking the connector of the volume key FPC 2. Pull out the volume key FPC from its connector using a pair of tweezers. (picture from 3G version product) (picture from WiFi version product) Figure 6-2.
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Lenovo B8080 3. Unlock the connector of the TP FPC on the sub board using a guitar pick. Figure 6-3. Unlocking the connector of the TP FPC 4. Pull out the TP FPC from its connector using a pair of tweezers.
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Lenovo B8080 Hardware Maintenance Manual 5. Remove screws on the sub board. Figure 6-5. The screws on the sub board Part No. Screw (quantity) Color Torque Phillips flat head screw, M1.4 × 1.3, wide black head (4) 6. Remove the sub board from the tablet.
Lenovo B8080 1070 Volume key FPC For access, remove the following FRUs in order: • “1010 Rear cover” on page 28 • “1060 Sub board” on page 47 1. Pry off the volume key FPC with its frame from the front module using a thin flat blade.
Lenovo B8080 Hardware Maintenance Manual 1080 Volume key For access, remove the following FRUs in order: • “1010 Rear cover” on page 28 • “1060 Sub board” on page 47 • “1070 Volume key FPC” on page 51 1. Detach the volume key using a pair of tweezers.
Lenovo B8080 1090 Rear camera 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 guitar pick.
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Lenovo B8080 Hardware Maintenance Manual 3. Detach the rear camera from its seat on the left speaker box by inserting a thin flat blade under the camera bottom. Figure 9-3. Detaching the rear camera 4. Remove the rear camera from the tablet.
Lenovo B8080 1100 Front camera 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 guitar pick.
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Lenovo B8080 Hardware Maintenance Manual 3. Slowly peel off the copper foil of the front camera from the front module. Figure 10-3. Peeling off the copper foil 4. Remove the front camera from the tablet. Figure 10-4. The removed front camera...
Lenovo B8080 1110 WiFi antenna 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 guitar pick.
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Lenovo B8080 Hardware Maintenance Manual 3. Remove screw on the WiFi antenna as shown in the figure below. Figure 11-3. The screw on the WiFi antenna Step Screw (quantity) Color Torque Phillips flat-head screw, M1.4 × 2.5 (1) Black 4. Peel off the conductive fabric of the WiFi antenna as shown in the figure below.
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Lenovo B8080 5. Remove the WiFi antenna. Figure 11-5. The removed WiFi antenna...
Lenovo B8080 Hardware Maintenance Manual 1120 Left speaker For access, remove the following FRUs in order: • “1010 Rear cover” on page 28 • “1090 Rear camera” on page 53 1. Unlock the connector of the left speaker on the main board using a guitar pick.
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Lenovo B8080 3. Remove screws on the left speaker as shown in the figure below. Figure 12-3. The screws on the left speaker Step Screw (quantity) Color Torque Phillips flat-head screw, M1.4 × 3.0 (3) Silver 4. Remove the left speaker.
Lenovo B8080 Hardware Maintenance Manual 1130 LCD 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 guitar pick.
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Lenovo B8080 3. Unlock the connector of the LCD FPC on the front module of the tablet using a guitar pick. Figure 13-3. Unlocking the connector of the LCD FPC (front module side) 4. Pull out any one end of the LCD FPC from its connector using a pair of tweezers.
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Lenovo B8080 Hardware Maintenance Manual 5. Remove the LCD FPC. Figure 13-5. The removed LCD FPC...
Lenovo B8080 1140 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.
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Lenovo B8080 Hardware Maintenance Manual 2. Pull out the USB FPC from its connector using a pair of tweezers. Figure 14-2. Pulling out the USB FPC 3. Remove screws on the main board as shown in the figure below. Figure 14-3. The screws on the main board Part No.
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Lenovo B8080 4. Remove the main board. Figure 14-4. The removed main board...
Lenovo B8080 Hardware Maintenance Manual 1150 3G antenna (for 3G version only) Note: The 3G antenna is a standard component of the 3G version product only; the WiFi version only has an antenna frame at the same position as the 3G antenna shown in the figures of this section.
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Lenovo B8080 2. Detach the 3G antenna by slowly peeling off its conductive fabric from the front module. Figure 15-2. Detaching the 3G antenna 3. Remove the 3G antenna. Figure 15-3. The removed 3G antenna...
Lenovo B8080 Hardware Maintenance Manual 1160 USB FPC For access, remove the following FRUs in order: • “1010 Rear cover” on page 28 • “1140 Main board” on page 65 • “1150 3G antenna (for 3G version only)” on page 68 1. Remove screws...
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Lenovo B8080 3. Detach the light sensor end of the FPC using a thin flat blade as shown in the figure below. Figure 16-3. Detaching the light sensor end of the FPC 4. Remove the USB FPC. Figure 16-4. The removed USB FPC...
Lenovo B8080 Hardware Maintenance Manual 1170 Power key For access, remove the following FRUs in order: • “1010 Rear cover” on page 28 • “1090 Rear camera” on page 53 • “1120 Left speaker” on page 60 1. Push out the power key as shown in the figure below.
Lenovo B8080 Parts list This section presents the following service parts: • “Overall” on page 75 • “Screw” on page 79 Notes: The listed FRUs are applicable to both versions of the product, i.e. the 3G version and the WiFi version, unless otherwise specified.
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.
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...