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Lenovo TAB 2 A7-30 Hardware Maintenance Manual

48

6.

Detach the main board with the front camera, and the side key FPC, by
pulling out the main FPC from its unlocked connector using a pair of
tweezers.

Figure 7-6. Pulling out the main FPC

Figure 7-7. The removed main board assembly (with antenna chip, microphone, vibrator motor,
speaker, side key FPC, and front camera)

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Содержание TAB 2 A7-30 series

Страница 1: ...Lenovo TAB 2 A7 30 Hardware Maintenance Manual Lenovo TAB 2 A7 30F Lenovo TAB 2 A7 30GC Lenovo TAB 2 A7 30H Lenovo TAB 2 A7 30HC ...

Страница 2: ...veloped 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 LIMITED AND RESTRICTED RIGHTS NOTICE If products data computer software or services are delivered pursuant to a General Services Administration GSA contract use reproduction or disclo sure is subject to r...

Страница 3: ...hecking the Computer AC Charger 21 Checking the internal battery status 22 Related service information 23 Security 23 Power management 23 Activating Deactivating the Display 23 Lenovo TAB 2 A7 30 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 30 1030 Rear camera 33 1040 Speaker 35 1050 Antenna Leno...

Страница 4: ...icing computers The product specific section includes service reference and product specific parts information About this manual Note The information provided in this manual is applicable to both product versions mentioned above unless otherwise specified Important This manual is intended only for trained servicers who are familiar with Lenovo products Use this manual to troubleshoot problems effe...

Страница 5: ...ervice 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 Safety information ...

Страница 6: ...ay from all personnel while you are servicing the machine Keep your toolcase away from walk areas so that other people will not trip it over Do not wear loose clothing that can be trapped in the moving parts of the machine Make sure that your sleeves are fastened or rolled up above your elbows If your hair is long fasten it Insert the ends of your necktie or scarf inside clothing or fasten it with...

Страница 7: ...ck Attention An electrical shock can occur only when there is a complete circuit By observing the above rule you may prevent a current from passing through your body When using testers set the controls correctly and use the approved probe leads and accessories for that tester Stand on suitable rubber mats obtained locally if necessary to insulate you from grounds such as metal floor strips and mac...

Страница 8: ... of a plastic dental mirror The surface is conductive such touching can cause personal injury and machine damage Do not service the following parts with the power on when they are removed from their normal operating places in a machine Power supply units Pumps Blowers and fans Motor generators and similar units This practice ensures correct grounding of the units If an electrical accident occurs C...

Страница 9: ... determine whether there are any potential unsafe conditions use the following checklist at the beginning of every service task Begin the checks with the power off and the power cord disconnected Checklist 1 Check exterior covers for damage loose broken or sharp edges 2 Turn off the computer Disconnect the power cord 3 Check the power cord for a A third wire ground connector in good condition Use ...

Страница 10: ...e mat is especially useful when handling ESD sensitive devices Select a grounding system such as those listed below to provide protection that meets the specific service requirement Attach the ESD ground clip to any frame ground ground braid or green wire ground When working on a double insulated or battery operated system use an ESD common ground or reference point You can use coax or connector o...

Страница 11: ... Austausch der Computer wieder angeschlossen wird muß sichergestellt werden daß keine Schrauben Federn oder andere Kleinteile fehlen oder im Gehäuse vergessen wurden Der Computer muß geschüttelt und auf Klappergeräusche geprüft werden Metallteile oder splitter können Kurzschlüsse erzeugen Prima di accendere l elaboratore dopo che é stata effettuata la sostituzione di una FRU accertarsi che tutte l...

Страница 12: ...alten Sie darf nicht zerlegt wiederaufgeladen kurzgeschlossen oder Feuer oder Wasser ausgesetzt werden Bei der Entsorgung die örtlichen Bestimmungen für Sondermüll beachten Beim Ersetzen der Bereitschafts oder Systembatterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgeführt ist Der Einsatz falscher Batterien kann zu Entzündung oder Explosion führen Alcune batterie di riserva c...

Страница 13: ...eschlossen oder Feuer oder Wasser ausgesetzt werden Bei der Entsorgung die örtlichen Bestimmungen für Sondermüll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgeführt ist Der Einsatz falscher Batterien kann zu Entzündung oder Explosion führen La batteria contiene piccole quantità di nichel Non smontarla gettarla nel fuoco o nell acqua né cortoci...

Страница 14: ...ieses Typs dürfen nicht aufgeladen zerlegt über 100 C erhitzt oder verbrannt werden Auch darf ihr Inhalt nicht mit Wasser in Verbindung gebracht oder der zur richtigen Polung angebrachte Verbindungsstecker entfernt werden Bei der Entsorgung die örtlichen Bestimmungen für Sondermüll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgeführt ist Der Ei...

Страница 15: ...ten Der LCD Bildschirm besteht aus Glas und kann zerbrechen wenn er unsachgemäß behandelt wird oder der Computer auf den Boden fällt Wenn der Bildschirm beschädigt ist und die darin befindliche Flüssigkeit in Kontakt mit Haut und Augen gerät sollten die betroffenen Stellen mindestens 15 Minuten mit Wasser abgespült und bei Beschwerden anschließend ein Arzt aufgesucht werden Nel caso che caso l LCD...

Страница 16: ... battery can produce enough current to burn personnel or combustible materials Bien que le voltage des batteries principales soit peu élevé le court circuit ou la mise à la masse d une batterie peut produire suffisamment de courant pour brûler des matériaux combustibles ou causer des brûlures corporelles graves Obwohl Hauptbatterien eine niedrige Spannung haben können sie doch bei Kurzschluß oder ...

Страница 17: ...et déconnectez tous les cordons d interface Die Stromzufuhr muß abgeschaltet alle Stromkabel aus der Steckdose gezogen der Akku entfernt und alle Verbindungskabel abgenommen sein bevor eine FRU entfernt wird Prima di rimuovere qualsiasi FRU spegnere il sistema scollegare dalle prese elettriche tutti i cavi di alimentazione rimuovere la batteria e poi scollegare i cavi di interconnessione Antes de ...

Страница 18: ... device could result in exposure to hazardous laser radiation There are no serviceable parts inside those drives Do not open Laser compliance statement CAUTION Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure O uso de controles ajustes ou desempenho de procedimentos diferentes daqueles aqui especificados pode...

Страница 19: ...luz Rayonnement laser si carter ouvert Évitez de fixer le faisceau de le regarder directement avec des instruments optiques ou de vous exposer au rayon Laserstrahlung bei geöffnetem Gerät Nicht direkt oder über optische Instrumente in den Laserstrahl sehen und den Strahlungsbereich meiden Kinyitáskor lézersugár Ne nézzen bele se szabad szemmel se optikai eszközökkel Kerülje a sugárnyalábbal való é...

Страница 20: ...d 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 system 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 If an adapter or a device consists...

Страница 21: ...itive 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 ...

Страница 22: ...s suppliers to be ready to support Lenovo s requirements and schedule in the EU Products sold in 2005 and 2006 will contain some RoHS compliant FRUs The following statement pertains to these products and any product Lenovo produces containing RoHS compliant FRUs RoHS compliant FRUs have unique FRU part numbers Before or after the RoHS implementation date failed RoHS compliant parts must always be ...

Страница 23: ...ce might have been altered If you select an incorrect drive data or programs might be overwritten Replace an FRU only with another FRU of the correct model When you replace an FRU make sure that the machine model and the FRU part number are correct by referring to the FRU parts list An FRU should not be replaced just because of a single unreproducible failure Single failures can occur for a variet...

Страница 24: ...ferring to the following list The following are not covered under warranty LCD panel cracked from the application of excessive force or from being dropped Scratched cosmetic parts Distortion deformation or discoloration of the cosmetic parts Plastic parts latches pins or connectors that have been cracked or broken by excessive force Damage caused by liquid spilled into the system Damage caused by ...

Страница 25: ...e internal battery status on page 22 Checking the Computer AC Charger When you use the computer AC Charger to charge the tablet but no power is charged see the instructions in this topic to check the computer AC Charger To check the computer AC Charger do the following 1 Disconnect the micro USB cable from the tablet 2 Measure the output voltage across the connector marked B of the micro USB cable...

Страница 26: ... Accurate information about the battery status To get the accurate information about the battery status of the tablet do the following 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 Pull down the application icon from the action...

Страница 27: ...e power consumption the computer has three power management modes screen blank sleep standby and hibernation Activating Deactivating the Display With the display deactivated press the Power button on the computer to activate the display The computer display will then illuminate indicating that it has been activated If you do not need to use your computer temporarily you can press the Power button ...

Страница 28: ...re Platform MT8127 Lenovo TAB 2 A7 30F MT8382M Lenovo TAB 2 A7 30GC H HC RAM LP DDR3 1GB Storage Capacity 8GB 16GB LCD 7 1 024 x 600 pixels Integrated Camera Rear camera 2 0Mega pixels Fixed Focus Front camera 0 3Mega pixels Fixed Focus Battery Li ion battery 3 450mAh Operating System Android 4 4 upgradable to new OS version Network GSM GPRS EDGE Lenovo TAB 2 A7 30GC GSM GPRS EDGE WCDMA Lenovo TAB...

Страница 29: ... support external Micro SD card up to 32GB Communication WiFi 802 11b g n GSM EDGE 850 900 1800 1900MHz WCDMA 2100 850 1900MHz Lenovo TAB 2 A7 30H HC Bluetooth 4 0 A GPS support GPS Voice call Lenovo TAB 2 A7 30GC HC FM radio Others Speaker Microphone Gravity sensor Vibration Dolby audio system DS1 WiFi Direct based on Android 4 4 ...

Страница 30: ...l bag Always use new screws Use a torque screwdriver if you have one Tighten screws as follows Plastic to plastic Turn an additional 90 after the screw head touches the surface of the plastic part Logic card to plastic Turn an additional 180 after the screw head touches the surface of the logic card Torque driver If you have a torque screwdriver refer to the Torque column for each step Make sure t...

Страница 31: ...en by the arrow in the figure 7 To put the new FRU in place reverse the removal procedures and follow any of the notes that pertain to replacement For information about connecting and arranging internal cables see Locations on page 54 8 When replacing an FRU use the correct screw as specified in the procedures Attention After replacing an FRU do not turn on the computer until you have made sure th...

Страница 32: ...ablet in one hand and use a triangle paddle to unlock the rear cover from the tablet along the joint line as shown in the figure below Figure 1 1 Unlocking the rear cover from the front module along the joint line 2 Slowly remove the rear cover Figure 1 2 The removed rear cover with side key ...

Страница 33: ...Lenovo TAB 2 A7 30 29 3 Remove the side key from the rear cover using a pair of pointed tweezer Figure 1 3 Removing the side key Figure 1 4 The removed rear cover and side key ...

Страница 34: ...attery FPC Part No Screw quantity Color Torque Phillips flat head screw M1 4 3 0 2 Silver N A 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 batter...

Страница 35: ... 31 2 Remove the metal piece using a pair of tweezers Figure 2 2 Removing the metal piece 3 Disconnect the battery FPC from its connector on the main board using a triangle paddle Figure 2 3 Disconnecting the battery FPC ...

Страница 36: ...Lenovo TAB 2 A7 30 Hardware Maintenance Manual 32 4 Remove the battery pack from the front module of the tablet Figure 2 4 Removing the battery pack Figure 2 5 The removed battery pack ...

Страница 37: ...d side key on page 28 and Detach the following FPC from the main board Battery FPC see Step 1 on page 30 to Step 3 on page 31 in 1020 Battery pack 1 Detach the connector of the rear camera FPC from the main board using a triangle paddle Figure 3 1 Detaching the connector of the rear camera FPC ...

Страница 38: ...Lenovo TAB 2 A7 30 Hardware Maintenance Manual 34 2 Remove the rear camera from its seat as shown in the figure below Figure 3 2 Removing the rear camera Figure 3 3 The removed rear camera ...

Страница 39: ...tery FPC see Step 1 on page 30 to Step 3 on page 31 in 1020 Battery pack 1 Desolder the wires of the speaker from their connecting points on the main board at the position shown in the figure below Figure 4 1 Position for desoldering the wires of the speaker Lenovo TAB 2 A7 30GC H HC Figure 4 2 Position for desoldering the wires of the speaker Lenovo TAB 2 A7 30F ...

Страница 40: ... Remove screws on the speaker as shown in the figure below Figure 4 3 The screws on the speaker 3 Remove the speaker from the tablet Figure 4 4 Removing the speaker Part No Screw quantity Color Torque Phillips flat head screw M1 4 x 3 5 2 Silver N A a a ...

Страница 41: ...Lenovo TAB 2 A7 30 37 Figure 4 5 The removed speaker ...

Страница 42: ... FPC from the main board Battery FPC see Step 1 on page 30 to Step 3 on page 31 in 1020 Battery pack 1 Remove screws on the antenna bracket as shown in the figure below Figure 5 1 The screws on the antenna bracket Lenovo TAB 2 A7 30GC Figure 5 2 The screws on the antenna bracket Lenovo TAB 2 A7 30H HC Part No Screw quantity Color Torque Phillips flat head screw M1 4 x 3 5 2 Silver N A a a ...

Страница 43: ...enovo TAB 2 A7 30 39 2 Remove the antenna bracket as shown in the figure below Figure 5 3 Removing the antenna bracket Lenovo TAB 2 A7 30GC Figure 5 4 Removing the antenna bracket Lenovo TAB 2 A7 30H HC ...

Страница 44: ... antenna cable from its connector on the main board as shown in the figure below Figure 5 5 Detaching the antenna cable 4 Detach the antenna PCB from the front module of the tablet using a pair of tweezers Figure 5 6 Detaching the antenna PCB Lenovo TAB 2 A7 30GC ...

Страница 45: ...Lenovo TAB 2 A7 30 41 Figure 5 7 Detaching the antenna PCB Lenovo TAB 2 A7 30H HC 5 Detach the antenna cable from the front module of the tablet Figure 5 8 Detaching the antenna cable ...

Страница 46: ...Lenovo TAB 2 A7 30 Hardware Maintenance Manual 42 Figure 5 9 The removed antenna Lenovo TAB 2 A7 30GC Figure 5 10 The removed antenna Lenovo TAB 2 A7 30H HC ...

Страница 47: ...ry pack Antenna bracket Lenovo TAB 2 A7 30H HC only see Step 1 on page 38 and Step 2 on page 39 in 1050 Antenna Lenovo TAB 2 A7 30GC H HC Antenna PCB Lenovo TAB 2 A7 30H HC only see Step 4 on page 40 in 1050 Antenna Lenovo TAB 2 A7 30GC H HC 1 Desolder the wires of the microphone from their connecting points on the main board at the position shown in the figure below Figure 6 1 Position for desold...

Страница 48: ...Lenovo TAB 2 A7 30 Hardware Maintenance Manual 44 2 Remove the microphone from its rubber seat as shown in the figure below Figure 6 2 Removing the microphone Figure 6 3 The removed microphone ...

Страница 49: ... A7 30GC H HC only see Step 3 on page 40 in 1050 Antenna Lenovo TAB 2 A7 30GC H HC 1 Peel off the conductive fabric as shown in the figure below Figure 7 1 Peeling off the conductive fabric 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 ...

Страница 50: ...elow Figure 7 2 The screws on the main board assembly 3 Detach the main board assembly from the front module of the tablet as shown in the figure below Figure 7 3 Detaching the main board assembly from the front module of the tablet Part No Screw quantity Color Torque Phillips flat head screw M1 4 3 0 4 Silver N A a a ...

Страница 51: ...the mylar on the main FPC as shown in the figure below Figure 7 4 Removing the mylar on the main FPC 5 Unlock the connector of the main FPC on the main board using a triangle paddle Figure 7 5 Unlocking the connector of the main FPC ...

Страница 52: ... the front camera and the side key FPC by pulling out the main FPC from its unlocked connector using a pair of tweezers Figure 7 6 Pulling out the main FPC Figure 7 7 The removed main board assembly with antenna chip microphone vibrator motor speaker side key FPC and front camera ...

Страница 53: ...attery pack Speaker see Step 2 on page 36 in 1040 Speaker Main board see Step 1 on page 45 to Step 3 on page 46 in 1070 Main board assembly with antenna chip microphone vibrator motor speaker side key FPC and front camera 1 Desolder the wires of the vibrator motor from their connecting points on the main board at the position shown in the figure below Figure 8 1 Position for desoldering the wires ...

Страница 54: ...Lenovo TAB 2 A7 30 Hardware Maintenance Manual 50 2 Remove the vibrator motor as shown in the figure below Figure 8 2 Removing the vibrator motor Figure 8 3 The removed vibrator motor ...

Страница 55: ... on page 46 in 1070 Main board assembly with antenna chip microphone vibrator motor speaker side key FPC and front camera Main FPC from the main board side see Step 4 on page 47 to Step 6 on page 48 in 1070 Main board assembly with antenna chip microphone vibrator motor speaker side key FPC and front camera 1 Remove the mylar on the Main FPC at the front module side as shown in the figure below Fi...

Страница 56: ...e as shown in the figure below Lenovo TAB 2 A7 30GC H HC only Figure 9 2 Detaching the main FPC PCB Lenovo TAB 2 A7 30GC H HC only 3 Unlock the connector of the main FPC on the front module of the tablet using a triangle paddle Figure 9 3 Unlocking the connector of the main FPC front module side ...

Страница 57: ...m its connector on the front module of the tablet as shown in the figure below Figure 9 4 Pulling out the main FPC from the front module side Figure 9 5 The removed main FPC Lenovo TAB 2 A7 30GC H HC Figure 9 6 The removed main FPC Lenovo TAB 2 A7 30F ...

Страница 58: ...Lenovo TAB 2 A7 30 Hardware Maintenance Manual 54 Front and side view Front camera Speaker SIM card slot Micro SD card slot Volume key Power key Locations ...

Страница 59: ...Lenovo TAB 2 A7 30 55 Rear view Audio Jack Rear camera Microphone Micro USB connection ...

Страница 60: ... page 56 Screws on page 60 Overall Parts list Notes The listed technical data is applicable to all versions of the product i e the WiFi version Lenovo TAB 2 A7 30F the 2G version Lenovo TAB 2 A7 30GC the 3G data version Lenovo TAB 2 A7 30H and the 3G voice version Lenovo TAB 2 A7 30HC unless otherwise specified ...

Страница 61: ...Lenovo TAB 2 A7 30 57 ...

Страница 62: ...nd power 5B68C00414 black 5B68C00587 white 5B68C01242 pink 5B68C01243 blue N 5 Lenovo TAB 2 A7 30 microphone 5M48C00394 5M48C00393 N 6 Lenovo TAB 2 A7 30 antenna Lenovo TAB 2 A7 30GC 5P68C00383 Lenovo TAB 2 A7 30H HC 5P68C00589 N 7 Lenovo TAB 2 A7 30 microphone rubber seat 5MO8C00412 5MO8C00413 N 8 Lenovo TAB 2 A7 30 antenna bracket Lenovo TAB 2 A7 30GC 5A38C00408 5A38C00409 Lenovo TAB 2 A7 30H HC...

Страница 63: ...o TAB 2 A7 30 main board assembly with antenna chip microphone vibrator motor speaker side key FPC and front camera Lenovo TAB 2 A7 30F 5B28C01398 8G 5B28C01399 16G Lenovo TAB 2 A7 30GC 5B28C00594 8GB Lenovo TAB 2 A7 30H 5B28C01157 8G 5B28C01001 16G Lenovo TAB 2 A7 30HC 5B28C01158 8G except MY_MCMC 5B28C01159 8G MY_MCMC 5B28C00958 16GB N 15 Lenovo TAB 2 A7 30 front camera N A N 16 Lenovo TAB 2 A7 ...

Страница 64: ...Lenovo TAB 2 A7 30 Hardware Maintenance Manual 60 Screws Table 2 Parts list Screw FRU P N CRU ID Phillips cross head screw M1 4 3 0 5M89A33180 N ...

Страница 65: ... information could include technical inaccuracies or typographical errors Changes are periodically made to the information herein these changes will be incorporated in new editions of the publication Lenovo may make improvements and or changes in the product s and or the program s described in this publication at any time without notice The products described in this document are not intended for ...

Страница 66: ...s 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 Users of this document should verify the applicable data for their specific environment Lenovo and the Lenovo logo are trademarks of Lenovo in the United States or other countries or both Other compan...

Страница 67: ...Notices 63 ...

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