A3300 Hardware Maintenance Manual
Note: Before using this information and the product it supports, be sure to read the general information under “Notices” on page 61. 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.
Contents About this manual........................................iv Screw ............................................................. 60 Safety information.........................................1 General safety ...................................................... 2 Electrical safety .................................................... 3 Safety inspection guide ...................................... 5 Handling devices that are sensitive to electrostatic discharge ....................................
About this manual This manual contains service and reference information for the following Lenovo product: • Lenovo A3300 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 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. 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 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. 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 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. 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 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. Use only the battery in the appropriate parts listing. Use of an incorrect battery can result in ignition or explosion of the battery. Certaines batteries de secours contiennent du nickel et du cadmium.
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 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. 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 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. 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 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. 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 A3300 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 system 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://consumersupport.lenovo.com/.
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: • Do not drop the system board or apply any excessive force to it. • Avoid rough handling of any kind. • Avoid bending the system board and hard pushing to prevent cracking at each BGA (Ball Grid Array) chipset.
Lenovo A3300 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 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. 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 A3300 Hardware Maintenance Manual Checking the internal battery status To check the battery status of the tablet, do either of the following: • Approximate information about the battery status Get the approximate status of the battery at any time by checking the battery status icon on the system bar in the upper-right corner of the screen. The shorter the green bar is, the less the battery power remains.
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. Power management Note: Power management modes are not supported for APM operating system.
Lenovo A3300 Hardware Maintenance Manual Lenovo A3300 This chapter presents the following product-specific service references and product-specific parts information: • “Specifications” on page 24 • “FRU replacement notices” on page 26 • “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 • 198mm x 119.8mm x 10.
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.
Lenovo A3300 Hardware Maintenance Manual 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: • They maintain tight connections. • They do not easily come loose, even with shock or vibration. • They are harder to tighten.
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. An untrained person runs the risk of damaging parts. 2. Before replacing any FRU, review “FRU replacement notices” on page 26. 3. Begin by removing any FRUs that have to be removed before the failing FRU.
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. Figure 1-1. Unlocking the rear cover along the joint line 2. Remove the rear cover. Figure 1-2.
Lenovo A3300 3. Remove the side key from the rear cover using a pair of tweezer. Figure 1-3.
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. The battery contains lithium and can explode if not properly used, handled, or disposed of. Dispose of the used battery according to the instructions.
Lenovo A3300 2. Remove screw a 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 a Phillips flat head screw, M1.4 x 3.5 (1) Black N/A 3. Remove the foam and mylar on the battery connector as shown in Figure 2-3. Figure 2-3.
Lenovo A3300 Hardware Maintenance Manual 4. Detach the battery connection with the PCBA. Figure 2-4.
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. Figure 2-6.
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. Figure 3-1. Disconnecting the FPC 2. Detach the rear camera from its seat using a thin flat blade. Figure 3-2.
Lenovo A3300 3. Remove the rear camera from the tablet. Figure 3-3.
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. Figure 4-1. Desoldering the microphone wires 2. Move the microphone wires out from the wire duct in the front module of the tablet. Figure 4-2.
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.
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. Figure 5-1. Desoldering the vibrator motor wires 2. Detach the vibrator motor from its seat on the front module of the tablet using a thin flat blade. Figure 5-2.
Lenovo A3300 3. Remove the vibrator motor from the front module. Figure 5-3.
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. Figure 6-1. Desoldering the receiver wires 2. Remove screws a for fixing the receiver onto the front module of the tablet. Figure 6-2. The screws for fixing the receiver 40 Part No.
Lenovo A3300 3. Remove the receiver from the tablet. Figure 6-3.
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. • Avoid rough handling of any kind. • Make sure not to drop or stack the PCB in the whole process. • Make sure to put the PCB only on surface covered with such materials as an ESD mat or conductive corrugated plate.
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 a for fixing the speaker onto the front module of the tablet. Figure 7-2. The screws for fixing the speaker Part No. Screw (quantity) Color Torque a Black N/A Phillips flat head screw, M1.4 x 3.
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. Figure 7-4.
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.
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. Figure 7-8. Pulling out the TP FPC 9. Peel off the mylar on the LCD FPC connector on the PCBA. Figure 7-9.
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.
Lenovo A3300 Hardware Maintenance Manual 12. Remove screws a 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. 48 Part No. Screw (quantity) Color Torque a Black N/A Phillips flat head screw, M1.4 x 3.
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.
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. Figure 7-15.
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. 19. Peel off the conductive fabric and mylar on the soldering pad of the front camera. Figure 7-17.
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. The PCBA is now isolated and removed from the tablet.
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 and detach the following FRUs: • Side key FPC (Step 1 in “1070 PCBA” on page 42) • Speaker (Step 2 to 4 in “1070 PCBA” on page 42) • Microphone (Step 2 and 3 in “1040 Microphone” on page 36) • Vibrator motor (Step 2 in “1050 Vibrator motor” on page 38) • Receiver (Step 2 in “1060 Receiver” on page 40) 1.
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 and detach the following FRUs: • Side key FPC (Step 1 in “1070 PCBA” on page 42) • Speaker (Step 2 to 4 in “1070 PCBA” on page 42) • Microphone (Step 2 and 3 in “1040 Microphone” on page 36) • Vibrator motor (Step 2 in “1050 Vibrator motor” on page 38) • Receiver (Step 2 in “1060 Receiver” on page 40) 1.
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 and detach the following FRUs: • Side key FPC (Step 1 in “1070 PCBA” on page 42) • Speaker (Step 2 to 4 in “1070 PCBA” on page 42) • Microphone (Step 2 and 3 in “1040 Microphone” on page 36) • Vibrator motor (Step 2 in “1050 Vibrator motor” on page 38) • Receiver (Step 2 in “1060 Receiver” on page 40) 1.
Lenovo A3300 Hardware Maintenance Manual Locations Front view a Front camera b Receiver Speaker 56
Lenovo A3300 Rear view Rear camera Micro-USB connection Earphone socket T-flash card slot SIM card slot Microphone Volume key Power key 57
Lenovo A3300 Hardware Maintenance Manual Parts list This section presents the following service parts: • “Overall” on page 58 • “Screw” on page 60 Overall 58
Lenovo A3300 Table 1. Parts list–Overall No. FRU FRU No.
Lenovo A3300 Hardware Maintenance Manual Screw Table 2. Parts list–Screw 60 FRU P/N Phillips flat head screw, M1.4 x 3.
Notices 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.
Lenovo A3300 Hardware Maintenance Manual 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.
