Lenovo TAB3 7 Plus Lenovo TB-7703F Lenovo TB-7703X Hardware Maintenance Manual
Note: Before using this information and the product it supports, be sure to read the general information under “Notices” on page 48. First Edition (August 2016) © Copyright Lenovo 2016. 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.
Contents About this manual........................................iv Safety information.........................................1 General safety ...................................................... 2 Electrical safety .................................................... 3 Safety inspection guide ...................................... 5 Handling devices that are sensitive to electrostatic discharge .................................... 6 Grounding requirements ...................................
About this manual This manual contains service and reference information for the following Lenovo product: Lenovo TAB3 7 Plus Use this manual to troubleshoot problems. The manual is divided into the following sections: • The common sections provide general information, guidelines, and safety information required for servicing computers. • The product‐specific section includes service, reference, and product‐specific parts 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 • “Handling devices that are sensitive to electrostatic discharge” on page 6 • “Grounding requirements” on page 6 • “Safety notices: multilingual translations” on page 7 • “Laser compliance statement” on page 14 1
Lenovo TAB3 7 Plus 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. 2. Distribute the weight of the object equally between your feet. 3. Use a slow lifting force. Never move suddenly or twist when you attempt to lift it. 4.
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. Do not use such kind of mat to protect yourself from electrical shock.
Lenovo TAB3 7 Plus 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. The surface is conductive; such touching can cause personal injury and machine damage.
Safety information Safety inspection guide The purpose of this inspection guide is to assist you in identifying potential unsafe conditions. As each machine was designed and built, required safety items were installed to protect users and service personnel from injury. This guide addresses only those items. You should use good judgment to identify potential safety hazards according to the attachment of non‐Lenovo features or options not covered by this inspection guide.
Lenovo TAB3 7 Plus 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. Notes: 1.
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. Verify this by shaking the computer and listening for rattling sounds. Metallic parts or metal flakes can cause electrical shorts.
Lenovo TAB3 7 Plus 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. Use only the battery in the appropriate parts listing. Use of an incorrect battery can result in ignition or explosion of the battery.
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. Use of an incorrect battery can result in ignition or explosion of the battery. La batterie contient du nickel. Ne la démontez pas, ne l’exposez ni au feu ni à l’eau.
Lenovo TAB3 7 Plus 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. Use only the battery in the appropriate parts listing. Use of an incorrect battery can result in ignition or explosion of the battery.
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. Si le panneau d’affichage à cristaux liquides se brise et que vous recevez dans les yeux ou sur les mains une partie du fluide, rincez‐les abondamment pendant au moins quinze minutes.
Lenovo TAB3 7 Plus 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. Aus Sicherheitsgründen die Kunststoffabdeckung, die den unteren Teil der Spannungswandlerplatine umgibt, nicht entfernen.
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 TAB3 7 Plus 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. to conform to the requirements of the Department of Health and Human Services 21 Code of Federal Regulations (DHHS 21 CFR) Subchapter J for Class 1 laser products.
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. Radiação por raio laser ao abrir. Não olhe fixo no feixe de luz, não olhe diretamente por meio de instrumentos óticos e evite exposição direta com o feixe de luz.
Lenovo TAB3 7 Plus Hardware Maintenance Manual Important service information This chapter presents the following important service information: • “Strategy for replacing FRUs” on page 16 – “Important notice for replacing a main board” on page 17 • “Important information about replacing RoHS compliant FRUs” on page 18 Important: BIOS and device driver fixes are customer‐installable. The BIOS and device drivers are posted on the customer support site: http://support.lenovo.com/.
Important service information Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs: • If you are instructed to replace an FRU, but the replacement does not solve the problem, reinstall the original FRU before you continue. • Some computers have both a processor board and a main board. If you are instructed to replace either of them, and replacing one of them does not solve the problem, reinstall that board, and then replace the other one.
Lenovo TAB3 7 Plus Hardware Maintenance Manual Important information about replacing RoHS compliant FRUs RoHS, The Restriction of Hazardous Substances in Electrical and 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: • Only certified trained personnel can service the computer. • Before replacing any FRU, read the entire page on removing and replacing FRUs. • When you replace FRUs, use new nylon-coated screws.
Lenovo TAB3 7 Plus 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. Date of service 3. Date on which the machine failed 4. Date of purchase 5. Procedure index and page number in which the failing FRU was detected 6. Failing FRU name and part number 7. Machine type, model number, and serial number 8.
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. 6. Disconnect the AC adapter and install the charged battery pack. 7. Make sure that the battery pack supplies power when you turn on the computer.
Lenovo TAB3 7 Plus Hardware Maintenance Manual 1.Open the Android Settings screen. 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. Touch the application icon from the action bar and then touch Settings. The Android Settings screen is displayed. 2.Touch About Tablet on the Android Settings screen. 3.
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, ENCRYPTION, SIM CARD LOCK (3G version only), PASSWORDS, DEVICE ADMINISTRATION and CREDENTIAL STORAGE. Power management Note: Power management modes are not supported for APM operating system.
Lenovo TAB3 7 Plus Hardware Maintenance Manual Lenovo TAB3 7 Plus This chapter presents the following product‐specific service references and product‐specific parts information: • “FRU replacement notices” on page 25 • “Removing and replacing an FRU” on page 26 • “Locations” on page 44 • “Parts list” on page 45 24
Lenovo TAB3 7 Plus 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 the Lenovo computer, this problem is addressed with special nylon‐coated screws that have the following characteristics: • They maintain tight connections. • They do not easily come loose, even with shock or vibration. • They are harder to tighten.
Lenovo TAB3 7 Plus Hardware Maintenance Manual 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. An untrained person runs the risk of damaging parts. 2. Before replacing any FRU, review “FRU replacement notices” on page 25. 3.
Lenovo TAB3 7 Plus 1010 Back Cover Figure 1. Removal steps of back cover Insert Pin to access the LTE SIM card tray (double card) or the Wi‐Fi TF card tray (single card).
Lenovo TAB3 7 Plus Hardware Maintenance Manual Figure 1. Removal steps of back cover (continued) Place the complete device right side up. Insert the pick between the front and back of the case at the bottom right corner. Rotate the pick to slowly release the clasping hooks.
Lenovo TAB3 7 Plus 1020 Battery DANGER Only use the battery specified in the parts list for your computer. Any other battery could ignite or explode. For access, remove this FRU: • “1010 Back Cover” on page 27 Figure 2. Removal steps of battery Remove the shielding case and thermal conductor strip.
Lenovo TAB3 7 Plus Hardware Maintenance Manual Figure 2. Removal steps of battery (continued) Use a Phillips screwdriver remove the two screws keeping the metal clasp in place, and then remove the metal clasp. Step 1 Screw (quantity) Color Torque M1.4X2.4 (2) Silver 0.7N Use tweezers to gently pry apart the B2B connector on the main board.
Lenovo TAB3 7 Plus Figure 2. Removal steps of battery (continued) Pull up on the batteryʹs adhesive tabs. Maintaining perpendicular to the battery, remove the battery by prying it apart from the adhesive strip on the back of the battery. Note: while removing the battery, do not damage the battery by applying too much pressure when pulling.
Lenovo TAB3 7 Plus Hardware Maintenance Manual 1030 Sub Board and RF Wire For access, remove these FRUs in order: • “1010 Back Cover” on page 27 • “1020 Battery” on page 29 Figure 3. Removal steps of sub board and RF wire Use tweezers to pry up the sub board. Carefully pry off the RF wire terminals from the RF connector on the main board, and remove the RF wires and sub board. Note: the Wi‐Fi board does not have RF wire terminals, an RF wire or mini board.
Lenovo TAB3 7 Plus 1040 SIM Card Holder FPC For access, remove these FRUs in order: • “1010 Back Cover” on page 27 • “1020 Battery” on page 29 • “1030 Sub Board and RF Wire” on page 32 Figure 4. Removal steps of SIM card holder FPC Use tweezers to gently pry apart the B2B connector on the main board. Dismount the LTE SIM card holder and FPC components or the Wi‐Fi TF card holder and FPC components. Note: the SIM/TF card holder and FPC components are connected to the front case with double‐sided adhesive.
Lenovo TAB3 7 Plus Hardware Maintenance Manual 1050 USB Board and Speaker Box For access, remove these FRUs in order: • “1010 Back Cover” on page 27 • “1020 Battery” on page 29 Figure 5. Removal steps of USB board and speaker box Use tweezers to gently pry off the speaker bracket components and set to one side. Note: be careful not to disconnect the soldered wire to the right of the speaker bracket component.
Lenovo TAB3 7 Plus Figure 5. Removal steps of USB board and speaker (continued) Use a Phillips screwdriver to unscrew the two screws holding down the USB mini board. Remove the USB mini board and speaker bracket components. Step 1 Screw (quantity) Color Torque M1.4*3.5 (2) Silver 0.7N Note: If you need to remove the speaker bracket components and USB mini board, use the solder iron to remove the USB mini board from the speaker bracket components and then remove the main wire.
Lenovo TAB3 7 Plus Hardware Maintenance Manual 1060 Main FPC For access, remove these FRUs in order: • “1010 Back Cover” on page 27 • “1020 Battery” on page 29 • “1050 USB Board and Speaker Box” on page 34 Figure 6. Removal steps of main FPC Detach the grounding double‐sided adhesive on the top terminals of the main FPC. Use tweezers to gently pry apart the B2B connector on the main board, and remove the rigid‐flex PCB.
Lenovo TAB3 7 Plus Figure 6. Removal steps of main FPC (continued) Remove the black Mylar and disconnect the ZIP connector. Use tweezers to gently pry apart the other 3 grounding double‐sided adhesives on the main FPCA. Remove the main FPCA components.
Lenovo TAB3 7 Plus Hardware Maintenance Manual 1070 Camera For access, remove these FRUs in order: • “1010 Back Cover” on page 27 • “1020 Battery” on page 29 Figure 7. Removal steps of camera Strip away the “headset copper foil”. Gently disconnect the main camera on the main board and the front camera’s B2B connectors. Remove the main camera and the front camera.
Lenovo TAB3 7 Plus Figure 7. Removal steps of camera (continued) Note: the main and front camera are both connected to the front case with double‐sided adhesive. When removing, be careful not to damage the cameras in the process.
Lenovo TAB3 7 Plus Hardware Maintenance Manual 1080 Main Board Important notices for handling the main board: When handling the main board, bear the following in mind. • Be careful not to drop the main board on a bench top that has a hard surface, such as metal, wood, or composite. • Avoid rough handling of any kind. • Throughout the process, make sure not to drop or stack the main board.
Lenovo TAB3 7 Plus Figure 8. Removal steps of main board (continued) Use tweezers to gently pry up the side button’s metal piece, separate the metal piece from the front of the case. Use a Phillips screwdriver to remove the two screws holding the main board in place. Then remove the main board. Step 1 Screw (quantity) Color Torque M1.4X2.4 (2) Silver 0.7N Note: the FPCA side button and motor are connected to the front case by double‐sided adhesion; make sure to pry them apart carefully.
Lenovo TAB3 7 Plus Hardware Maintenance Manual Figure 8. Removal steps of main board (continued) Remove the silicon microphone side plug.
Lenovo TAB3 7 Plus 1090 Receiver For access, remove these FRUs in order: • “1010 Back Cover” on page 27 • “1020 Battery” on page 29 • “1030 Sub Board and RF Wire” on page 32 • “1040 SIM Card Holder FPC” on page 33 • “1050 USB Board and Speaker Box” on page 34 • “1060 Main FPC” on page 36 • “1070 Camera” on page 38 • “1080 Main Board” on page 40 Figure 9. Removal steps of receiver Use tweezers to carefully remove the receiver. Note: the receiver is connected to the front case with double‐sided adhesion.
Lenovo TAB3 7 Plus Hardware Maintenance Manual Locations Model Version Lenovo TB‐7703F WLAN Lenovo TB‐7703X WLAN + LTE (Voice) 4 3 2 11 1 10 5 9 12 8 6 4 7 1 Front camera 2 *Receiver 3 *Light/Proximity sensor 4 Microphone 5 Indicator 6 Micro USB connector 7 Speaker 8 On/Off button 9 Volume buttons 10 Headset jack 11 Rear camera 12 Card tray Notes: The WLAN model (Lenovo TB‐7703F) does not have a Micro‐SIM card slot.
Lenovo TAB3 7 Plus Parts list This section presents the following service parts: • “Overall” on page 46 • “Screw” on page 47 • “Others” on page 47 Notes: • Each FRU is available for all types or models, unless specific types or models are specified.
Lenovo TAB3 7 Plus Hardware Maintenance Manual Overall 6 4 15 8 14 10 16 7 11 12 2 1 3 13 9 5 Table 1. Parts list—Overall No. FRU FRU no. 1 TP LCM Assʹy, TB‐7703X TP LCM ASSY_WH&*11745028‐00 CS Mechanical parts, TB‐7703X Rear cover_WH&*11683897‐00CS Battery, XWD‐A L14D1P31 3.8V13.
Lenovo TAB3 7 Plus Screw Table 2. Parts list—Screw FRU FRU no. PB1‐750M Screw&*11487667‐00 CS PB1‐750M Screw&*11487668‐00 CS 5M88C03748 5M88C03749 CRU ID N N Others Table 3. Parts list—Others FRU FRU no.
Lenovo TAB3 7 Plus Hardware Maintenance Manual Notices Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used.
Notices Any performance data contained herein was determined in a controlled environment. Therefore, the result obtained in other operating environments may vary significantly. Some measurements may have been made on development‐level systems and there is no guarantee that these measurements will be the same on generally available systems. Furthermore, some measurements may have been estimated through extrapolation. Actual results may vary.
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