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Lenovo A5500, Руководство по техническому обслуживанию аппаратной части

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Lenovo A5500

37

1070 System board

For access, remove these FRUs in order:

•

“1030 Back cover” on page 31

•

“1040 Power key and volume key” on page 33

•

“1050 ANT carrier” on page 34

•

“1060 Battery pack” on page 35

Figure 8. Removal steps of system board

Peel off the mylar as shown in the picture.

Important notices for handling the system board:

When handling the system board, bear the following in mind.

•

Be careful not to drop the system board on a bench top that has a hard 
surface, such as metal, wood, or composite.

•

Avoid rough handling of any kind.

•

In the whole process, make sure not to drop or stack the system board.

•

If you put a system board down, make sure to put it only on a padded 
surface such as an ESD mat or conductive corrugated material.

Содержание A5500

Страница 1: ...Lenovo A5500 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: ... RoHS compliant FRUs 18 General checkout 19 What to do first 20 Power system checkout 21 Checking the AC Charger 21 Checking the internal battery status 21 Related service information 23 Security 23 Power management 23 Activating Deactivating the Display 23 Lenovo A5500 24 Specifications 24 FRU replacement notices 26 Screw notices 26 Removing and replacing an FRU 27 1010 Side door 28 1020 Micro SD...

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: ...rom all personnel while you are servicing the machine Keep your tool case 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: ...ard is replaced ensure that the latest BIOS is loaded to the system board before completing the service action 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 n...

Страница 21: ... one by one to see if the symptoms change Replace only the FRU that changed the symptoms Attention The setup configuration on the computer you are servicing may have been customized Running Automatic Configuration may alter the settings Note the current configuration settings using the View Configuration option then when service has been completed verify that those settings remain in effect Import...

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: ...isconnect the micro USB cable from the tablet 2 Measure the output voltage across the connector marked B of the micro USB cable Refer to the following figure Note The output voltage across pin 3 of the micro B connector might be different from the one you are servicing 3 If the voltage is not correct replace the micro USB cable 4 If the voltage is acceptable replace the system board Checking the i...

Страница 26: ... 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 Touch Status to view the accurate percentage of the remaining battery power You also can touch Battery use to check what applications are consuming battery power ...

Страница 27: ...o reduce 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 tablet to activate the display The display will then illuminate indicating that it has been activated If you do not need to use your tablet temporarily you can press the Power button to dea...

Страница 28: ...ions Feature Description Model and version Model Lenovo A5500 F Version WLAN Model Lenovo A5500 H Version WLAN 3G Data only Model Lenovo A5500 HV Version WLAN 3G Voice Form Factor Size 217 136 8 9 mm Weight Appr 360 g System Platform MTK 8121 Quad Core 1 3 GHz Lenovo A5500 F MTK 8382 Quad Core 1 3 GHz Lenovo A5500 H and Lenovo A5500 HV Memory 1 GB LCD 8 16 9 IPS 1 280 800 dpi Integrated Camera 5 0...

Страница 29: ...Lenovo A5500 25 Communication WiFi BlueTooth 4 0 GPS WCDMA GSM Others Multi touch supported Built in microphone Stereophonic speakers Gravity sensor ...

Страница 30: ...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 tha...

Страница 31: ...e 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 44 8 When replacing an FRU use the correct screw as shown in the procedures Attention After replacing an FRU do not turn on the computer until you have made sure that all screws springs and other small parts a...

Страница 32: ...Lenovo A5500 Hardware Maintenance Manual 28 1010 Side door Figure 1 Removal steps of side door Insert a finger to open the side door as shown in the picture Pull out the side door from its cavity ...

Страница 33: ...00 29 1020 Micro SD card and Micro SIM card Figure 2 Removal steps of Micro SD card and Micro SIM card Insert a finger to open the side door as shown in the picture Press the SD card or SIM card to make it pop up ...

Страница 34: ...Lenovo A5500 Hardware Maintenance Manual 30 Figure 2 Removal steps of Micro SD card and Micro SIM card continued Pull out the SD card or SIM card from its slot ...

Страница 35: ...ovo A5500 31 1030 Back cover Figure 3 Removal steps of back cover Insert a finger to open the side door as shown in the picture Remove the screw Step Screw quantity Color Torque M1 4 3 0 mm 1 Silver 1 1 1 ...

Страница 36: ...Lenovo A5500 Hardware Maintenance Manual 32 Figure 3 Removal steps of back cover continued Insert the guitar pick and slide along to release the back cover Remove the back cover ...

Страница 37: ...500 33 1040 Power key and volume key For access remove this FRU in order 1030 Back cover on page 31 Figure 4 Removal steps of power key and volume key Lift up the power key and volume key as shown in the picture ...

Страница 38: ...anual 34 1050 ANT carrier For access remove this FRU in order 1030 Back cover on page 31 Figure 5 Removal steps of ANT carrier Remove the three screws Remove the ANT carrier Step Screw quantity Color Torque M1 4 3 0 mm 3 Silver 1 1 1 1 1 ...

Страница 39: ...r computer Any other battery could ignite or explode 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 used batteries according to the instructions Do not Thro...

Страница 40: ...Lenovo A5500 Hardware Maintenance Manual 36 Insert a flat blade to detach the battery pack Figure 6 Removal steps of battery pack continued Remove the battery pack from its socket ...

Страница 41: ...n in the picture Important notices for handling the system board When handling the system board bear the following in mind Be careful not to drop the system board on a bench top that has a hard surface such as metal wood or composite Avoid rough handling of any kind In the whole process make sure not to drop or stack the system board If you put a system board down make sure to put it only on a pad...

Страница 42: ...Lenovo A5500 Hardware Maintenance Manual 38 Insert the guitar pick to unsnap the connector Release the audio FPC from the connector with tweezers Peel off the mylar as shown in the picture ...

Страница 43: ...Lenovo A5500 39 Insert the guitar pick to unsnap the connector Release the touch panel FPC from the connector with tweezers Peel off the mylar as shown in the picture ...

Страница 44: ...Lenovo A5500 Hardware Maintenance Manual 40 Insert the guitar pick to unsnap the connector Release the LCM FPC from the connector with tweezers Peel off the mylar as shown in the picture ...

Страница 45: ...Lenovo A5500 41 Insert the guitar pick to unsnap the connector Release the front camera FPC from the connector with tweezers Insert the flat blade to detach the main camera assembly from its cavity ...

Страница 46: ...ance Manual 42 Release the main camera FPC from the connector with tweezers Peel off the mylar as shown in the picture Insert the guitar pick to unsnap the connector Release the other end of LCM FPC from the connector with tweezers ...

Страница 47: ...Lenovo A5500 43 Remove the four screws Lift up the system board and remove it as shown in the picture Step Screw quantity Color Torque M1 4 3 mm 4 Silver 1 1 1 1 1 1 ...

Страница 48: ...are Maintenance Manual 44 Locations Micro SD card slot 5 10 Micro USB Speaker Volume key Power key Back camera Microphone Earphone jack Speaker Front camera 2 6 3 7 8 9 4 1 11 Micro SIM card slot 5 2 1 3 4 6 8 7 11 10 9 ...

Страница 49: ...o A5500 45 This section presents the following service parts Overall on page 46 Screws on page 47 Parts list Notes Each FRU is available for all types or models unless specific types or models are specified ...

Страница 50: ...TT 3052LVP504W N 2 Battery cover unit BAT COV BAT COV 3G DARK BLUE 251ALVP505W N BAT COV 3G WHITE 251ALVP504W N SIDEDOOR PC TPU SIM SD DARK BLUE 306JLVP505W N PC TPU SIM SD WHITE 306JLVP505W N SIDEKEY SIDEKEY 3 DARK BLUE 3125LVP503W N SIDEKEY 3 WHITE 3125LVP502W N RING PC 5M CAMERA D CHROME 253BLVP502W N PC 5M CAMERA CHROME 253BLVP501W N LENS PMMA 5M CAMERA 254SLVP501W N 2 6 7 8 3 5 4 9 10 1 ...

Страница 51: ... N ANT CARRIER MAIN ANT CARRIER 3017LVP501W N MAIN_PENTA MAIN_PENTA 21LVP50009W N AUDIO FPC GF317 REV 1 0 21LVP50024W N VIBRATOR C1027B0882F JINGLONG 3930000066W N MIC BOM4015YP1 6 G443 RC HF GETTOP 2221234541W N 6 System board GASKET EMI LCP PCB 3068LVP505W N MAIN PCB 1 F WMB C38 LVP5 GA 399 M B 60 691B170001N N SPEAKER SPEAKER XHB151115B08 08 HAOSHENG 2250000079W N P L SENSOR GF320 REV 1 0 21LVP...

Страница 52: ...pply to you This 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 n...

Страница 53: ...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 other countries or both Other company product or service ...

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