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Lenovo B550 Hardware Maintenance Manual

1140 Bluetooth daughter card, speakers and base cover

For access, remove these FRUs in order:
•  “1010 Battery pack” on page 34
•  “1020 Hard disk drive (HDD) slot cover and HDD” on page 35
•  “1030 Memory/Wireless module/CPU (central processing unit) compartment

cover” on page 37

•  “1040 Optical drive” on page 38
•  “1050 DIMM” on page 39
•  “1060 Fan assembly and Heat Sink assembly” on page 40
•  “1080 PCI Express Mini Card for wireless LAN/WAN” on page 44
•  “1090 Keyboard cover and power board” on page 46
•  “1100 Keyboard” on page 49
•  “1110 LCD unit” on page 51
•  “1120 Keyboard bezel” on page 55
•  “1130 System board ” on page 59

Figure 14. Removal steps of Bluetooth daughter card, speakers and base

cover

The Bluetooth daughter card is attached to the base cover. Remove the screw

1

, and then remove the Bluetooth daughter card in the direction shown by

arrows

2

.

2

2

1

When installing:

Make sure that the connector is attached firmly.

Step

Screw (quantity)

Color

Torque

1

M2.0 × 3 mm, flat-head, nylon-coated (1)

Silver

1.0~1.5 kgf·cm

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Содержание IdeaCentre B550

Страница 1: ...Lenovo B550 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 disclosure is subject to res...

Страница 3: ...ervisor password 24 Power management 25 Screen blank mode 25 Sleep standby mode 25 Hibernation mode 26 Lenovo B550 27 Specifications 27 Status indicators 29 Fn key combinations 31 FRU replacement notices 32 Screw notices 32 Removing and replacing an FRU 33 1010 Battery pack 34 1020 Hard disk drive HDD slot cover and HDD 35 1030 Memory Wireless module CPU central processing unit compartment cover 3...

Страница 4: ...idelines and safety information required for servicing computers The product specific section includes service reference and product specific parts information 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 inf...

Страница 5: ...ith before you service a Lenovo B550 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 ...

Страница 6: ...ing them away 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 fas...

Страница 7: ...box in the off position If you need to work on a machine that has exposed electrical circuits observe the following precautions Ensure that another person familiar with the power off controls is near you Attention Another person must be there to switch off the power if necessary Use only one hand when working with powered on electrical equipment keep the other hand in your pocket or behind your ba...

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: ...e or missing hardware To 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 connecto...

Страница 10: ...to eliminate static on your body Prevent the part from touching your clothing Most clothing is insulative and retains a charge even when you are wearing a wrist strap Use the black side of a grounded work mat to provide a static free work surface The mat is especially useful when handling ESD sensitive devices Select a grounding system such as those listed below to provide protection that meets th...

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: ...n 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 conte...

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: ...s 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 Einsat...

Страница 15: ...irm 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 si dovesse rompere...

Страница 16: ...tery 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 Erdu...

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: ...mance 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 resultar em perigosa exposição à radiação Pour éviter tout risque d exposition au rayon laser respectez les consignes de réglage et d utilisation des commandes ainsi que les procédures décrites Werde...

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: ...he customer support site http consumersupport lenovo com Strategy for replacing FRUs Before replacing parts Make sure that all software fixes drivers and BIOS downloads are installed before replacing any FRUs listed in this manual After a system board is replaced ensure that the latest BIOS is loaded to the system board before completing the service action To download software fixes drivers and BI...

Страница 21: ...onfiguration settings using the View Configuration option then when service has been completed verify that those settings remain in effect Strategy for replacing a hard disk drive Always try to run a low level format before replacing a hard disk drive This will cause all customer data on the hard disk to be lost Make sure that the customer has a current backup of the data before performing this ac...

Страница 22: ...ance well before the implementation date and expects its 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 implemen...

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: ...arranty by referring 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 Dama...

Страница 25: ...n check the power cord of the AC adapter for correct continuity and installation If the computer does not charge during operation go to Checking operational charging To check the AC adapter follow the steps below 1 Unplug the AC adapter cable from the computer 2 Measure the output voltage at the plug of the AC adapter cable See the following figure 2 1 Voltage V DC 20 0 Pin 1 2 Note Output voltage...

Страница 26: ...lick it and the percentage of battery power remaining is displayed To get detailed information about the battery double click the Power Meter icon Note If the battery pack becomes hot it may not be able to be charged Remove it from the computer and leave it at room temperature for a while After it cools down reinstall and recharge it To check the battery pack follow the steps below 1 Turn off the ...

Страница 27: ...ur first boot up just enter Lenovo OneKey Rescue System and run Restore to factory default For details of OneKey Rescue System see the User Guide for OneKey Rescue System Note This will delete all the new data on the system partition C drive which is not recoverable Make sure to back up your critical data before you perform this action Using recovery discs When you replace a hard disk drive in you...

Страница 28: ...e computer does not start until the password is entered Exception If only an SVP is installed the password prompt does not appear when the operating system is booted Power on password A power on password POP protects the system from being powered on by an unauthorized person The password must be entered before an operating system can be booted Supervisor password A supervisor password SVP protects...

Страница 29: ...circumstances the computer goes into sleep standby mode automatically If a suspend time has been set on the timer and the user does not do any operation with the keyboard the hard disk the parallel connector or the diskette drive within that time If the battery indicator is amber indicating that the battery power is low Alternatively if Hibernate when battery becomes low has been selected in the P...

Страница 30: ... perform that action Closing the lid Pressing the power button Also the computer goes into hibernation mode automatically in either of the following conditions If a hibernation time has been set on the timer and if the user does not do any operation with the keyboard the hard disk drive the parallel connector or the diskette drive within that time If the timer conditions are satisfied in suspend m...

Страница 31: ... Intel GM45 ICH9M Mobile Intel GL40 ICH9M Graphic memory chip Intel PM45 with Nvidia N10M GE1 Intel GM45 integrated Intel GMA Gen 5 0 Intel GL40 integrated Display 15 6 inch HD 16 9 LED Standard memory DDR III 800 1066 DIMM socket x 2 max 4GB per slot Hard disk drive 9 5mm 2 5 SATA HDD 5400rpm Optical drive 12 7 mm SATA Fixed Bay ODD I O port External monitor connector Stereo headphone jack Microp...

Страница 32: ...ntinued Feature Description Keyboard 6 row Lenovo Keyboard Touch pad Yes with two buttons Integrated camera 0 3M Battery 53Wh 57Wh 48Wh 6 cell Li ion Battery or 35Wh 4 cell Li ion Battery AC adapter 19V 90W Pre installed operating system Windows Vista Basic Premium SP1 ...

Страница 33: ...cator Meaning 1 Caps lock White Caps Lock mode is enabled You can enter all alphabetic characters A Z in uppercase without pressing the Shift key To enable or disable Caps Lock mode press the CapsLk key 2 Num lock White The separate numeric keypad on the keyboard is enabled To enable or disable the numeric keypad press the Num Lock key ...

Страница 34: ...apacity Blinking white The battery is being charged with the remaining power between 20 and 80 of its capacity White The remaining power of the battery is more than 80 of its capacity or the computer is operating on battery power with the remaining power between 20 and 80 of its capacity 5 Wireless status White Any one of the wireless devices WLAN Bluetooth WWAN is enabled Off All the wireless dev...

Страница 35: ...the interface for display resolution settings Fn F5 Open the interface for integrated wireless devices settings enable disable Fn F8 Enable Disable the touchpad Fn F9 Start Pause playback of Windows Media Player Fn F10 Stop playback of Windows Media Player Fn F11 Skip to the previous track Fn F12 Skip to the next track Fn Delete Enable Disable the scroll lock Fn PrtSc Activate the system request F...

Страница 36: ... screw kit in your tool 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 more than 90 Cross section Logic card to plastic Turn an additional 180 after the screw head touches the surface of the logic card more than 180 Cross section Torque driver If you h...

Страница 37: ...rrow 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 71 8 When replacing an FRU use the correct screw as shown in the procedures DANGER Before removing any FRU turn off the computer unplug all power cords from electrical outlets rem...

Страница 38: ...ite or explode Figure 1 Removal steps of battery pack Unlock the battery release lever 1 Holding the battery release lever in the unlocked position 2 remove the battery pack in the direction shown by arrow 3 3 1 2 1 2 When installing Install the battery pack along the slide rails of the slot Then make sure that the battery release lever is in the locked position ...

Страница 39: ... cause damages and permanent loss of data Before removing the drive suggest the customer to backup all the information on it if possible Never remove the drive while the system is operating or is in suspend mode Figure 2 Removal steps of HDD slot cover and HDD Note Loosen the screws 1 but do not remove them Remove the HDD slot cover in the direction shown by arrow 2 1 1 2 Step Screw quantity Color...

Страница 40: ...e Manual Figure 2 Removal steps of HDD slot cover and HDD continued Pull the tab up in the direction shown by arrows 3 4 to remove the hard disk drive from the slot 3 4 When installing Make sure that the HDD connector is attached firmly ...

Страница 41: ...n page 34 Figure 3 Removal steps of Memory Wireless module CPU compartment cover Note Loosen the screws 1 but do not remove them Remove the screw 2 Remove the Memory Wireless module CPU compartment cover in the direction shown by arrow 3 1 1 3 2 Step Screw quantity Color Torque 2 M2 5 8 mm flat head nylon coated 1 Black 2 0 2 5 kgf cm ...

Страница 42: ...rocessing unit compartment cover on page 37 Figure 4 Removal steps of optical drive Remove the screw 1 insert a screwdriver into the screw hole and push the optical drive in the direction shown by arrow 2 and then pull the optical drive out in the direction shown by arrow 3 1 Step Screw quantity Color Torque 1 M2 5 8 mm flat head nylon coated 1 Black 2 5 3 0 kgf cm 3 2 ...

Страница 43: ...the same time in the direction shown by arrows 1 and then unplug the DIMM in the direction shown by arrow 2 1 1 2 Note If only one DIMM is used on the computer you are servicing the card must be installed in SLOT 0 a lower slot but not in SLOT 1 b upper slot a b When installing Insert the notched end of the DIMM into the socket Push the DIMM firmly and pivot it until it snaps into the place Make s...

Страница 44: ...ge 37 Figure 6 Removal steps of fan assembly and heat sink assembly Note Remove three screws 1 and four spring screws 2 Unplug the connector in the direction shown by arrow 3 2 2 3 2 2 1 1 1 When installing Make sure that the fan connector is attached firmly to the system board Step Screw quantity Color Torque 1 M2 0 4 mm flat head nylon coated 3 Black 1 0 1 5 kgf cm 2 M2 0 3 2 mm with spring nylo...

Страница 45: ... continued Lift the fan assembly and heat sink assembly in the direction shown by arrow 4 Be careful not to damage the connector 4 Attention Do not handle the heat sink assembly roughly Improper handling can cause distortion or deformation and imperfect contact with components ...

Страница 46: ...ach the fan assembly to the computer apply thermal grease at an amount of 0 2 grams to the a part shown in the figure above Either too much or too less grease application can cause a thermal problem due to imperfect contact with a component In models with the discrete graphics chip there is an additional thermal rubber b whose film to be peeled off ...

Страница 47: ... CPU is extremely sensitive When you service the CPU avoid any kind of rough handling Figure 7 Removal steps of CPU Rotate the head of the screw in the direction shown by arrow 1 to release the lock and then remove the CPU in the direction shown by arrow 2 2 2 a b 1 When installing Place the CPU on the CPU socket in the direction shown by arrow a and then rotate the head of the screw in the direct...

Страница 48: ... LAN cables black white in the direction shown by arrows 1 and then remove the screw 2 In step 1 unplug the jacks by using the removal tool antenna RF connector P N 08K7159 or pick up the connectors with your fingers and gently unplug them in the direction shown by arrows Notes wireless LAN card has 2 cables in step 1 wireless LAN card in some models may have 3 cables in step 1 The Mini PCI Expres...

Страница 49: ...f PCI Express Mini Card for wireless LAN WAN continued Remove the wireless LAN card in the direction shown by arrow 3 3 When installing Plug the black cable into the jack labeled MAIN and the white cable into the jack labeled AUX on the card ...

Страница 50: ...r access remove this FRU 1010 Battery pack on page 34 Note Power board is attached to the keyboard cover Figure 9 Removal steps of Keyboard cover and power board Remove the screws 1 1 1 1 1 Step Screw quantity Color Torque 1 M2 0 2 5 mm flat head nylon coated 4 Black 1 5 2 0 kgf cm ...

Страница 51: ...7 Lenovo B550 Figure 9 Removal steps of Keyboard cover and power board continued Open the LCD at an angle about 120 Lift the keyboard cover with fingers in the direction shown by arrows 2 3 3 3 3 3 3 3 2 ...

Страница 52: ...ection shown by arrow 4 disconnect the FPC connector in the direction shown by arrows 5 6 and then remove the keyboard cover 6 5 4 When installing Make sure that the FPC connector is attached firmly Remove the screws 7 and then remove the power board 8 8 7 7 Step Screw quantity Color Torque 7 M2 0 3 mm flat head nylon coated 2 Silver 1 0 1 5 kgf cm ...

Страница 53: ...ese FRUs in order 1010 Battery pack on page 34 1090 Keyboard cover and power board on page 46 Figure 10 Removal steps of keyboard Remove the screws 1 1 1 1 1 Step Screw quantity Color Torque 1 M2 0 2 5 mm flat head nylon coated 4 Black 2 0 0 2 kgf cm ...

Страница 54: ...val steps of keyboard continued Lift the keyboard a little 2 unlock the FPC connector and then detach the connector in the direction shown by arrows 3 4 2 4 3 When installing Make sure that the FPC connector is attached firmly and then lock the FPC connector ...

Страница 55: ...it compartment cover on page 37 1080 PCI Express Mini Card for wireless LAN WAN on page 44 1090 Keyboard cover and power board on page 46 1100 Keyboard on page 49 Figure 11 Removal steps of LCD unit Remove the two screws 1 and detach the LCD connector 2 2 1 1 Step Screw quantity Color Torque 1 M2 5 8 mm flat head nylon coated 2 Black 2 5 3 0 kgf cm ...

Страница 56: ...n the direction shown by arrows 4 5 5 4 3 3 3 When installing Route the antenna cables along the cable guides As you route the cables make sure that they are not subjected to any tension Tension could cause the cables to be damaged by the cable guides or a wire to be broken Make sure that the LCD connector is attached firmly and make sure that you do not pinch the antenna cables when you attach th...

Страница 57: ...53 Lenovo B550 Figure 11 Removal steps of LCD unit continued Remove two screws 6 6 6 Step Screw quantity Color Torque 6 M2 5 8 mm flat head nylon coated 2 Black 2 0 2 5 kgf cm ...

Страница 58: ...54 Lenovo B550 Hardware Maintenance Manual Figure 11 Removal steps of LCD unit continued Remove the LCD unit in the direction shown by arrows 7 7 7 ...

Страница 59: ...xpress Mini Card for wireless LAN WAN on page 44 1090 Keyboard cover and power board on page 46 1100 Keyboard on page 49 1110 LCD unit on page 51 Figure 12 Removal steps of keyboard bezel Remove thirteen screws 1 and three screws 2 on the bottom 2 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 Step Screw quantity Color Torque 1 M2 5 8 mm flat head nylon coated 13 Black 2 5 3 0 kgf cm 2 M2 0 2 5 mm flat head nylon ...

Страница 60: ...igure 12 Removal steps of keyboard bezel continued Remove three screws 3 and one screw 4 4 3 3 3 Step Screw quantity Color Torque 3 M2 5 6 mm flat head nylon coated 3 Black 2 0 2 5 kgf cm 4 M2 0 3 mm flat head nylon coated 1 Silver 2 0 2 5 kgf cm ...

Страница 61: ...Lenovo B550 Figure 12 Removal steps of keyboard bezel continued Detach two FPC connectors in the direction shown by arrows 5 6 6 5 When installing Make sure that all the FPC connectors are attached firmly ...

Страница 62: ...58 Lenovo B550 Hardware Maintenance Manual Figure 12 Removal steps of keyboard bezel continued Remove the keyboard bezel in the direction shown by arrow 7 7 ...

Страница 63: ...For access remove these FRUs in order 1010 Battery pack on page 34 1020 Hard disk drive HDD slot cover and HDD on page 35 1030 Memory Wireless module CPU central processing unit compartment cover on page 37 1040 Optical drive on page 38 1050 DIMM on page 39 1060 Fan assembly and Heat Sink assembly on page 40 1080 PCI Express Mini Card for wireless LAN WAN on page 44 1090 Keyboard cover and power b...

Страница 64: ...nued Unplug two connectors bluetooth connector and speakers connector in the direction shown by arrow 2 and remove two screws 3 3 3 2 When installing Make sure that the connectors are attached firmly Step Screw quantity Color Torque 3 M2 5 5 mm flat head nylon coated 2 Black 2 0 2 5 kgf cm ...

Страница 65: ... b 4 When installing When attaching the system board to the base cover adjust the placement of the wireless radio switch as shown in b and make sure that both of the audio jack and the microphone jack are attached to the holes on the base cover as shown in a Improper placement of the switch or those jacks might cause a damage ...

Страница 66: ...1080 PCI Express Mini Card for wireless LAN WAN on page 44 1090 Keyboard cover and power board on page 46 1100 Keyboard on page 49 1110 LCD unit on page 51 1120 Keyboard bezel on page 55 1130 System board on page 59 Figure 14 Removal steps of Bluetooth daughter card speakers and base cover The Bluetooth daughter card is attached to the base cover Remove the screw 1 and then remove the Bluetooth da...

Страница 67: ...daughter card speakers and base cover continued Remove four screws 3 release the speaker cables from the cable guides and then remove the speakers 4 4 4 3 3 3 3 Step Screw quantity Color Torque 3 M2 5 5 7 mm flat head nylon coated 4 Black 1 5 2 0 kgf cm ...

Страница 68: ...nance Manual Figure 14 Removal steps of Bluetooth daughter card speakers and base cover continued Remove the power assembly in the direction shown by arrows 5 5 5 When installing Make sure that the power connector is attached firmly ...

Страница 69: ...abels need to be peeled off from the old base cover and need to be put on the new base cover a Energy save label b COA label c Rating label d PRC CODE label For some models you also need to apply one or two FCC labels Check the old base cover if it has one or two FCC labels find duplicates of them in the label kit and apply them to the new base cover For the location of each label refer to the fol...

Страница 70: ...t cover on page 37 1080 PCI Express Mini Card for wireless LAN WAN on page 44 1090 Keyboard cover and power board on page 46 1100 Keyboard on page 49 1110 LCD unit on page 51 Figure 15 Removal steps of LCD front bezel Remove six screws 1 Step Screw quantity Color Torque 1 M2 5 6 mm flat head nylon coated 6 Silver 2 0 2 5 kgf cm Remove the LCD front bezel in the direction shown by arrows 2 2 2 2 2 ...

Страница 71: ...age 37 1080 PCI Express Mini Card for wireless LAN WAN on page 44 1090 Keyboard cover and power board on page 46 1100 Keyboard on page 49 1110 LCD unit on page 51 1150 LCD front bezel on page 66 Figure 16 Removal steps of LCD panel and hinges Remove two screws 1 and then release the LCD panel 1 1 Step Screw quantity Color Torque 1 M2 5 5 mm flat head nylon coated 2 Black 2 0 2 5 kgf cm ...

Страница 72: ...shown by arrow 2 2 Note The LCD circuit is attached to the LCD panel and is connected with the LCD cable by an FPC connector Remove eight screws 3 and then release the hinges from the LCD panel in the direction shown by arrows 4 3 3 3 3 4 3 3 3 3 4 Step Screw quantity Color Torque 3 M2 0 3 mm flat head nylon coated 8 Silver 1 0 1 5 kgf cm ...

Страница 73: ...0 LCD front bezel on page 66 1160 LCD panel and hinges on page 67 Figure 17 Removal steps of integrated camera Note The integrated camera is attached to the top center of the LCD cover Detach the connector in the direction shown by arrow 1 and then remove the integrated camera from the LCD cover 2 2 1 When installing Attach the integrated camera to the top center of the LCD cover and ajust the pla...

Страница 74: ...ont bezel on page 66 1160 LCD panel and hinges on page 67 1170 Integrated camera on page 69 Figure 18 Removal steps of antenna assembly and LCD cover Peel off the adhesive tapes securing the antenna boards release the cables from the cable guide and then remove the antenna assembly in the direction shown by arrows 1 1 1 When installing Route the antenna cables along the cable guides and secure the...

Страница 75: ...nnas 4 System status indicators Note For the description of each indicator see Status indicators on page 29 5 OneKey Rescue System button 6 Power button 7 Built in microphone 8 Stereo speakers 9 Touch pad J Integrated wireless device switch K Microphone jack L Headphone jack 8 9 8 12 10 11 2 4 5 6 1 3 3 4 ...

Страница 76: ... 3 AC power adapter jack 1 2 3 Bottom and Left side view 1 Battery latch manual 2 Battery pack 3 Battery latch spring loaded 4 Memory Wireless module CPU compartment 5 Kensington slot 6 Fan louvers 7 RJ 45 port 8 VGA port 9 USB port J Hard disk drive HDD compartment 9 7 5 1 3 8 6 10 2 4 ...

Страница 77: ...llowing service parts Overall on page 74 LCD FRUs on page 78 Keyboard on page 80 Miscellaneous parts on page 82 AC adapters on page 83 Power cords on page 84 Notes Each FRU is available for all types or models unless specific types or models are specified ...

Страница 78: ...74 Lenovo B550 Hardware Maintenance Manual Overall 5 f 1 2 6 g h 14 16 22 c 7 8 4 9 10 3 11 b 12 13 17 15 18 21 a 20 19 ...

Страница 79: ... CPU assembly Core 2 Duo Intel P8400 2 26G 3M R 0 PGA 102000610 9 CPU assembly Core 2 Duo Intel P7450 2 13G 3M M 0 PGA 102000599 9 CPU assembly Core 2 Duo Intel P7350 Tj 2 00G 3M R 0 PGA 102000668 9 CPU assembly Core 2 Duo Intel P7350 Tj 2 00G 3M M 0 PGA 102000533 9 CPU assembly Core 2 Duo Intel T6600 2 2G 2M R 0 PGA 102000598 9 CPU assembly Core 2 Duo Intel T6570 2 1G 3M R 0 PGA 102000602 9 CPU a...

Страница 80: ..._RW M PCIE NB 20002006 13 WLAN card 802 11b g Gtc BCM4312 M 802 11G MOW_JAP NB 20002304 13 WLAN card 802 11b g Cbt BCM4312 M 802 11G MOW_JAP NB 20002303 14 Bluetooth card BT2 1 EDR Fcn BCM92046NMD BT2 1 EDR Flash U NB 20001972 15 KIWA7 SPEAKER R L 31038446 16 Battery pack 2200mA 6cell Sanyo Ayers 11 1V 3S2P 4400mAh Li ion NB battery 121000791 16 Battery pack 2200mA 6cell Sony Ayers 11 1V 3S2P 4400...

Страница 81: ...rpm SATA Toshiba MK3265GSX 5400RPM 320G HDD 16004642 18 Hard disk drive 500G 5400rpm SATA Seagate ST9500325AS 500G 9NB HDD 16004189 18 Hard disk drive 500G 5400rpm SATA WD5000BEVT 24A0RT0 16004526 18 Hard disk drive 500G 5400rpm SATA Hitachi HTS545050B9A300 500G 9NB HDD 16004058 18 Hard disk drive 500G 5400rpm SATA Toshiba MK5065GSX 5400RPM 500G HDD 16004643 19 ODD 12 7mm Tray Rambo GT30N 25009116...

Страница 82: ...78 Lenovo B550 Hardware Maintenance Manual LCD FRUs In Lenovo B550 there are following types of LCDs 15 6 in HD TFT d 6 5 ...

Страница 83: ...156XW02 V2 18003797 3 LCD panel 15 6 HD LED Panel LGD LP156WH2 TLAA 18003819 3 LCD panel 15 6 HD LED Panel SEC LTN156AT05 J01 18003911 3 LCD panel 15 6 HD LED Panel BOE HT156WXB 100 18003719 3 LCD panel 15 6 HD LED Panel CMO N156B6 L04 G 18003069 4 KIWA7 LVDS CABLE_LED 31038444 5 NIWAB CAMERA 0 3M 31042984 6 KIWA7 CAMERA CABLE DC02000RG00 31038441 7 NIWAB LCD COVER WO MIMO TEXT 15 6 31042982 ...

Страница 84: ...uese 25008509 Latin 25008603 Canadian 25008602 Korean 25008599 Traditional Chinese 25008407 Russian 25008405 French 25008404 German 25008597 Arabic 25008595 Brazilian 25008593 Czech 25008590 Danish 25008589 Dutch 25008588 Greek 25008586 Hebrew 25008584 Hungarian 25008582 Norwegian 25008580 Swedish 25008578 Belgian 25008576 Icelandic 25008575 Slovak 25008527 Slovenian 25008495 Swiss 25008494 Intern...

Страница 85: ...008605 Canadian 25008522 Korean 25008674 Traditional Chinese 25008433 Russian 25008432 French 25008427 German 25008521 Arabic 25008512 Brazilian 25008511 Czech 25008665 Danish 25008659 Dutch 25008655 Greek 25008650 Hebrew 25008647 Hungarian 25008642 Norwegian 25008638 Swedish 25008634 Belgian 25008631 Icelandic 25008627 Slovak 25008624 Slovenian 25008620 Swiss 25008617 International English 250084...

Страница 86: ...CREW RUBBER TEXTURE d KIWA5 LCD RUBBER FOOT LARGE d KIWA5 LCD RUBBER FOOT SMALL e KIWA5 RUBBER FOOT FH07Q000100 31038373 31038374 31038393 31042987 31038369 31038370 31038372 Cable miscellaneous parts f KIWA7 T P FFC NBX0000G000 g KIWA7 DC IN CABLE DC301007200 h KIWA7 BLUETOOTH CABLE DC02000RD00 Note Italicized letters in parentheses are references to the exploded view in Overall on page 74 and in...

Страница 87: ... ADP 65KH B adapter 36001646 65W Liteon PA 1650 56LC adapter 36001651 65W Brazil PA 1650 52LB adapter 36001714 65W Chicony CPA A065 20V3 25A adapter 36001792 90W Delta ADP 90DD B adapter 36001647 90W Liteon PA 1900 56LC adapter 36001652 90W Chicony CPA A090 20V4 5A adapter 36001789 ...

Страница 88: ...6 Israel LINETEK LS15 H03VV F LP 41 1m 145000595 UL LINETEK LP 30B SPT 2 LS15 1m 145000594 UL LINETEK LP 30B SPT 2 LS15 1 5m 145000635 UK LINETEK LP 61L H03VV F LS15 1m 145000593 Indian LINETEK PE 361 H05VV F LS15 1m 145000592 Italy LINETEK LS15 H03VV F PE 336 1m 145000591 Korea LINETEK LS15 H05VV F LP E04A 1m 145000590 Australia LINETEK LS15 H03VV F LP 23A 1m 145000589 Taiwan LINETEK LS15 VCTF LP...

Страница 89: ... Longwell LP 30B SPT 2 LS 18 1 5m Longwell 145000633 UK Longwell LP 61L H03VV F LS 18 1m 145000561 Indian Longwell LP 67 BIS LS 18 1m 145000560 Italy Longwell LP 22 H03VV F LS 18 1m 145000559 Korea Longwell LP 486 KTLH03VV F LS 5 1m 145000558 Australia Longwell LP 23A LFC 3R LS 18 1m 145000557 Taiwan Longwell LP 71 VCTF LS 33 1m 145000556 Japan Longwell LP 54 VCTF LS 18 1m 145000555 Africa Longwel...

Страница 90: ...ay not apply 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 docume...

Страница 91: ... the applicable data for their specific environment Trademarks 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 United States ot...

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