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Lenovo A3300

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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

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Содержание A3300

Страница 1: ...A3300 Hardware Maintenance Manual ...

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

Страница 3: ...checkout 19 What to do first 20 Power system checkout 21 Checking 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 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 30 1...

Страница 4: ...ty information required for servicing computers The product specific section includes service reference and product specific parts information About this manual Important 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 in...

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: ...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 th...

Страница 7: ... 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 machi...

Страница 8: ... 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 Caut...

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: ...at 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 outs...

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: ...en 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 cont...

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: ...es 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 Einsa...

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: ...ttery 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 Erd...

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: ...vice 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 re...

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: ...ervicing 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 of...

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: ...uppliers 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 rep...

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: ...ring 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 the...

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: ...curate 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 ba...

Страница 27: ... 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 t...

Страница 28: ...he specifications of the Lenovo A3300 tablet Table 1 Specifications Feature Description Size Weight Size 198mm x 119 8mm x 10 45mm Weight Appr 327g System CPU 1 3GHz Quad core Hardware Platform MTK MT8382M T W MT8121M WiFi RAM 1GB Storage Capacity 8GB LCD 7 WSVGA 1 024 x 600 pixels Integrated Camera Main camera 2 0M pixels rear side Sub camera 0 3M pixels front side Battery 1 cell Li ion battery 3...

Страница 29: ...rts 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 Gravity sensor Vibrator ...

Страница 30: ...ag 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 that...

Страница 31: ...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 56 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 that ...

Страница 32: ...nd 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 The removed rear cover ...

Страница 33: ...Lenovo A3300 29 3 Remove the side key from the rear cover using a pair of tweezer Figure 1 3 Removing the side key ...

Страница 34: ...ctive fabric on the steel frame 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 Do not Throw or immerse into w...

Страница 35: ...eel frame from the PCBA Figure 2 2 The screw on the steel frame 3 Remove the foam and mylar on the battery connector as shown in Figure 2 3 Figure 2 3 The foam and mylar on the battery connector Part No Screw quantity Color Torque Phillips flat head screw M1 4 x 3 5 1 Black N A a a ...

Страница 36: ...Lenovo A3300 Hardware Maintenance Manual 32 4 Detach the battery connection with the PCBA Figure 2 4 Detaching the battery connection ...

Страница 37: ... 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 The removed battery pack ...

Страница 38: ...he 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 Detaching the rear camera ...

Страница 39: ...Lenovo A3300 35 3 Remove the rear camera from the tablet Figure 3 3 The removed rear camera ...

Страница 40: ...ver 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 The microphone wires ...

Страница 41: ... 37 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 ...

Страница 42: ...ey 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 Detaching the vibrator motor ...

Страница 43: ...Lenovo A3300 39 3 Remove the vibrator motor from the front module Figure 5 3 The removed vibrator motor ...

Страница 44: ...es 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 for fixing the receiver onto the front module of the tablet Figure 6 2 The screws for fixing the receiver Part No Screw quantity Color Torque Phillips flat head screw M1 4 x 3 5 2 Black N A a a ...

Страница 45: ...Lenovo A3300 41 3 Remove the receiver from the tablet Figure 6 3 The removed receiver ...

Страница 46: ...page 38 1060 Receiver on page 40 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 mater...

Страница 47: ...ng 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 Figure 7 2 The screws for fixing the speaker Part No Screw quantity Color Torque Phillips flat head screw M1 4 x 3 5 2 Black N A a a ...

Страница 48: ...al 44 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 The detached speaker and its wires ...

Страница 49: ...novo A3300 45 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 ...

Страница 50: ...A 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 The mylar on the LCD FPC connector ...

Страница 51: ... A3300 47 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 ...

Страница 52: ...CBA onto the front module of the tablet Figure 7 12 The screws for fixing the PCBA Part No Screw quantity Color Torque Phillips flat head screw M1 4 x 3 5 4 Black N A a Note One of the screws is sealed by the manufacturer for checking the warranty qualification of the product a ...

Страница 53: ...novo A3300 49 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 ...

Страница 54: ...ver 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 Position of desoldering the side key FPC ...

Страница 55: ...ker 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 Peeling off the conductive fabric and mylar ...

Страница 56: ...t 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 ...

Страница 57: ...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 Detach the PCBA with other parts connected from the front module of the tablet according to Step 5 to 13 in 1070 PCBA on page 42 2 Remove the side key FPC from the PCBA according to Step 14 to 16 in 1070 PCBA on page 42 ...

Страница 58: ...ker 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 Detach the PCBA with other parts connected from the front module of the tablet according to Step 5 to 13 in 1070 PCBA on page 42 2 Remove the speaker from the PCBA according to Step 17 and 18 in 1070 PCBA...

Страница 59: ...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 Detach the PCBA with other parts connected from the front module of the tablet according to Step 5 to 13 in 1070 PCBA on page 42 2 Remove the front camera from the PCBA according to Step 19 to 21 in 1070 PCBA on page 42 ...

Страница 60: ...Lenovo A3300 Hardware Maintenance Manual 56 Front view Front camera Receiver Speaker Locations a b ...

Страница 61: ...Lenovo A3300 57 Rear view Rear camera Micro USB connection Earphone socket T flash card slot SIM card slot Microphone Volume key Power key ...

Страница 62: ...Lenovo A3300 Hardware Maintenance Manual 58 This section presents the following service parts Overall on page 58 Screw on page 60 Overall Parts list ...

Страница 63: ...000 N 4 A3300 front camera HQ20200163000 HQ20200164000 N 5 A3300 side key FPC HQ22010153000 HQ22010154000 N 6 A3300 side key HQ21000841000 HQ21000842000 N 7 A3300 microphone HQ20500034000 N 8 A3300 battery pack HQ60330492000 HQ60330493000 N 9 A3300 vibrator motor HQ20400008000 HQ20400013000 N 10 A3300 speaker HQ20330043000 HQ20330044000 N 11 A3300 front module HQ31300012000 N 12 A3300 rear cover H...

Страница 64: ...Lenovo A3300 Hardware Maintenance Manual 60 Screw Table 2 Parts list Screw FRU P N CRU ID Phillips flat head screw M1 4 x 3 5 HQ22110009000 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: ... document should verify the applicable data for their specific environment The following terms are either registered trademarks or trademarks of Lenovo in the United States and or other countries Lenovo Lenovo logo IdeaPad VeriFace OneKey Rescue OneKey Recovery OneKey Antivirus APS Power Express Energy Management and ReadyComm The following terms are trademarks of Microsoft Corporation in the Unit...

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