Lenovo B550 Laptop Lenovo B550 Hardware Maintenance Manual V2.0
Lenovo B550 Laptop Manual
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- Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 1
Lenovo B550 Hardware Maintenance Manual - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 2
using this information and the product it supports, be sure to read the general information under "Notices" on page 86. First Edition (March 2010) © Copyright Lenovo 2010. All rights reserved. LENOVO products, data, computer software, and services have been developed exclusively at private expense - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 3
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 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 4
for the following Lenovo product: Lenovo B550 Use this manual to troubleshoot problems. The manual is divided into the following sections: •• The common sections provide general information, guidelines, and safety information required for servicing computers. •• The product-specific section includes - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 5
presents the following safety information that you need to get familiar with 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 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 6
Lenovo B550 Hardware Maintenance Manual General safety Follow these rules below to ensure general removed covers and other parts in a safe place, keeping 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 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 7
from grounds such as metal floor strips and machine frames. Observe the special safety precautions when you work with very high voltages; instructions for these precautions are in the safety sections of maintenance information. Be extremely careful when you measure the high voltages. •• Regularly - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 8
Lenovo B550 Hardware Maintenance Manual •• Always look carefully for possible hazards in your work 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 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 9
safety items were installed to protect users and service personnel from injury. This guide addresses only those items. You should use or bulging batteries. 5. Remove the cover. 6. Check for any obvious non-Lenovo alterations. Use good judgment as to the safety of any non-Lenovo alterations. 7. - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 10
Lenovo B550 Hardware Maintenance Manual Handling devices that are sensitive to electrostatic discharge Any Select a grounding system, such as those listed below, to provide protection that meets the specific service requirement. Note: The use of a grounding system to guard against ESD damage is - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 11
Safety information Safety notices: multilingual translations The safety notices in this section are provided in English, French, German, Hebrew, Italian, Japanese, and Spanish. Safety notice 1 Before the computer is powered on after FRU replacement, make sure all screws, springs, and other small - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 12
Lenovo B550 Hardware Maintenance Manual Safety notice 2 DANGER Some standby batteries contain a small amount of nickel and cadmium. Do not disassemble a standby battery, recharge it, throw it into fire or water, or shortcircuit it. Dispose of the battery as required by local ordinances or - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 13
, veillez à n'utiliser que les modèles cités dans la liste de pièces détachées adéquate. En effet, une batterie inappropriée risque de prendre feu ou d'exploser. Akkus enthalten geringe Mengen von Nickel. Sie dürfen nicht zerlegt, wiederaufgeladen, kurzgeschlossen, oder Feuer oder Wasser ausgesetzt - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 14
Lenovo B550 Hardware Maintenance Manual Safety notice 4 DANGER The lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge it, remove its polarized connector, disassemble it, heat it above 100°C (212°F), incinerate it, - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 15
Safety information Safety notice 5 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands, immediately wash the affected areas with water at least for 15 minutes. Seek medical care if any symptoms caused by the fluid are present after washing. Si le panneau d' - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 16
Lenovo B550 Hardware Maintenance Manual Safety notice 6 DANGER To avoid shock, do not remove the plastic cover , um brennbare Materialien zu entzünden oder Verletzungen bei Personen hervorzurufen. Sebbene le batterie di alimentazione siano a basso voltaggio, una batteria in corto circuito o a massa - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 17
Safety information Safety notice 8 DANGER Before removing any FRU, turn off the computer, unplug all power cords from electrical outlets, remove the battery pack, and then disconnect any interconnecting cables. Avant de retirer une unité remplaçable en clientèle, mettez le système hors tension, dé - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 18
Lenovo B550 Hardware Maintenance Manual Laser compliance statement Some models of Lenovo conform to the requirements of the Department of Health and Human Services 21 Code of Federal Regulations (DHHS 21 CFR) Subchapter J di procedure diverse da quelle specificate possono provocare l'esposizione a. El - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 19
Safety information A CD-ROM drive, a DVD-ROM drive, or any other storage device installed may contain an embedded Class 3A or Class 3B laser diode. Note the following: DANGER Emits visible and invisible laser radiation when open. Do not stare into the beam, do not view directly with optical - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 20
Lenovo B550 Hardware Maintenance Manual Important service information This chapter presents the following important service information: •• "Strategy for replacing driver fixes are customer-installable. The BIOS and device drivers are posted on the customer support site: http://consumersupport.lenovo - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 21
information Use the following strategy to prevent unnecessary expense for replacing and 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 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 22
Lenovo B550 Hardware Maintenance Manual Important information about replacing RoHS compliant FRUs RoHS, The Restriction compliance 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 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 23
, saving, or formatting. Drives in the computer that you are servicing sequence might have been altered. If you select an incorrect drive, , electrostatic discharge, or software errors. Consider replacing an FRU only when a problem recurs. If you suspect that an FRU is defective, clear the error logs - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 24
Lenovo B550 Hardware Maintenance Manual What to do first When you do return an FRU, you must include the following information in the parts exchange form or parts return form that you attach to it: 1. Name and phone number of servicer 2. Date of service use. Before checking problems with the computer - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 25
AC adapter pin No. 2 may differ from the one you are servicing. 3. If the voltage is not correct, replace the AC adapter. 4. If the voltage is acceptable, do the following: •• Replace the system board. •• If the problem continues, go to "Lenovo B550" on page 27. Note: Noise from the AC adapter does - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 26
Lenovo B550 Hardware Maintenance Manual Perform operational charging. If the battery status indicator or icon does not light on, remove the battery pack and let it return to room temperature. Reinstall the battery pack. If the charge indicator or icon is still off, replace the battery pack. If the - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 27
service information This chapter presents the following information: •• "Restoring the factory contents by using OneKey Recovery" on page 23 •• "Passwords" on page 24 •• "Power management" on page 25 Restoring the factory contents by using OneKey Recovery Restore of factory default The Lenovo B550 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 28
Lenovo B550 Hardware Maintenance Manual When you use the recovery discs to boot your computer, the system will : If the SVP has been forgotten and cannot be made available to the servicer, there is no service procedure to reset the password. The system board must be replaced for a scheduled fee. 24 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 29
Related service information Power management Note: Power management modes are not supported for APM operating battery indicator is amber, indicating that the battery power is low. (Alternatively, if Hibernate when battery becomes low has been selected in the "Power Management Properties" window - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 30
Lenovo B550 Hardware Maintenance Manual Hibernation mode In hibernation mode, the following occurs: •• The system status, RAM, VRAM, and setup data are stored on the hard disk. •• The system is - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 31
Lenovo B550 Lenovo B550 This chapter presents the following product-specific service references and product-specific parts information: •• "Specifications" on page 27 •• "Status indicators" on page 29 •• "Fn key combinations" on page 31 •• "FRU replacement notices" on page 32 •• "Removing and - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 32
Lenovo B550 Hardware Maintenance Manual Table 1. Specifications (continued) Feature Keyboard Touch pad Integrated camera Battery AC adapter Pre-installed operating system Description • 6-row Lenovo Keyboard • Yes with two buttons • 0.3M • 53Wh/57Wh/48Wh, 6 cell Li-ion Battery or 35Wh, 4 cell Li- - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 33
Lenovo B550 Status indicators The system status indicators below show the computer status: 12 3 4 5 6 Table 2. Status indicators Indicator 1 Caps lock 2 Num lock Meaning White: White: Caps Lock - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 34
Lenovo B550 Hardware Maintenance Manual Table 2. Status indicators (continued) Indicator 3 Power on 4 Battery status 5 Wireless status 6 Drive in use Meaning White: System is enabled. Blinking white: System is in sleep mode. Off: System is in hibernate mode or - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 35
Lenovo B550 Fn key combinations The following table shows the function of each combination of Fn devices settings (enable/disable). Enable/Disable the touchpad. Start/Pause playback of Windows Media Player. Stop playback of Windows Media Player. Skip to the previous track. Skip to the next track. - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 36
Lenovo B550 Hardware Maintenance Manual FRU replacement notices This section presents notices related to removing and replacing parts. Read this section carefully before replacing any FRU. Screw notices Loose screws can cause a reliability problem. In the Lenovo computer, this problem driver If - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 37
Lenovo B550 Removing and replacing an FRU This section presents exploded figures with the instructions to indicate how to remove and replace the FRU. Make sure to observe the following general rules: 1. Do not attempt to service from electrical outlets, remove the battery pack, and then disconnect - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 38
Lenovo B550 Hardware Maintenance Manual 1010 Battery pack DANGER Only use the battery specified in the parts list for your computer. Any other battery could ignite or explode. Figure 1. Removal steps of battery pack Unlock the battery release lever 1. Holding the battery release lever in the - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 39
Lenovo B550 1020 Hard disk drive (HDD) slot cover and HDD For access, remove this FRU: •• "1010 Battery pack" on page 34 Attention: • Do not drop the hard disk drive or apply any physical shock to it. The hard disk drive is sensitive - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 40
Lenovo B550 Hardware Maintenance 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. 36 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 41
Lenovo B550 1030 Memory/Wireless module/CPU (central processing unit) compartment cover For access, remove this FRU: •• "1010 Battery pack" on 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 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 42
Lenovo B550 Hardware Maintenance Manual 1040 Optical drive For access, remove these FRUs in order: •• "1010 Battery pack" on page 34 •• "1030 Memory/Wireless module/CPU (central processing unit) compartment cover" on page 37 Figure 4. Removal steps of optical drive Remove the - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 43
Lenovo B550 1050 DIMM For access, remove these FRUs in order: •• "1010 Battery pack" on page 34 •• "1030 in the direction shown by arrow 2. 1 2 1 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 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 44
Lenovo B550 Hardware Maintenance Manual 1060 Fan assembly and Heat Sink assembly For access, remove these FRUs in order: •• "1010 Battery pack" on page 34 •• "1030 Memory/Wireless module/CPU (central processing unit) compartment cover" on page 37 Figure 6. Removal steps of fan assembly and heat - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 45
Lenovo B550 Figure 6. Removal steps of fan assembly and heat sink assembly (continued) Lift the fan assembly and heat sink assembly in the direction shown by arrow 4. - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 46
Lenovo B550 Hardware Maintenance Manual Figure 6. Removal steps of fan assembly and heat sink 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 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 47
Lenovo B550 1070 CPU For access, remove these FRUs in order: •• "1010 Battery pack" on page 34 •• "1030 Memory/Wireless module/CPU (central processing unit) compartment cover" on page 37 •• "1060 Fan assembly and Heat Sink assembly" on page 40 Attention: CPU is extremely sensitive. When you service - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 48
Lenovo B550 Hardware Maintenance Manual 1080 PCI Express Mini Card for wireless LAN/WAN For access, remove these FRUs in order: •• "1010 Battery pack" on page 34 •• "1030 Memory/Wireless module/CPU (central processing unit) compartment cover" on page 37 Figure 8. Removal steps of PCI Express Mini - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 49
Lenovo B550 Figure 8. Removal steps of 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. 45 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 50
Lenovo B550 Hardware Maintenance Manual 1090 Keyboard cover and power board For 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 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 51
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 47 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 52
Lenovo B550 Hardware Maintenance Manual Figure 9. Removal steps of Keyboard cover and power board (continued) Turn the keyboard cover over in the direction shown by arrow 4, disconnect the FPC connector - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 53
Lenovo B550 1100 Keyboard For access, remove these 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 1 Screw (quantity) - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 54
Lenovo B550 Hardware Maintenance Manual Figure 10. Removal steps of keyboard (continued) Lift the keyboard a little 2, unlock the FPC connector and then detach the connector in the direction shown by - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 55
Lenovo B550 1110 LCD unit For access, remove these FRUs in order: •• "1010 Battery pack" on page 34 •• "1030 Memory/Wireless module/CPU (central processing unit) compartment cover" on page 37 •• "1080 PCI Express Mini Card for wireless LAN/ - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 56
Lenovo B550 Hardware Maintenance Manual Figure 11. Removal steps of LCD unit (continued) Pull out the LCD cable and the two antenna cables from the guide hole and release them from the cable guides in the direction shown by arrows 3. Detach the connector in the direction shown by arrows 4 5. 5 4 3 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 57
Figure 11. Removal steps of LCD unit (continued) Remove two screws 6. Lenovo B550 6 6 Step 6 Screw (quantity) M2.5 × 8 mm, flat-head, nylon-coated (2) Color Black Torque 2.0~2.5 kgf·cm 53 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 58
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 54 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 59
Lenovo B550 1120 Keyboard bezel For access, remove these FRUs in order: •• "1010 Battery pack" on page 34 •• "1030 Memory/Wireless module/CPU (central processing unit) compartment cover" on page 37 •• "1040 Optical drive" on page 38 •• "1080 PCI - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 60
Lenovo B550 Hardware Maintenance Manual Figure 12. Removal steps of keyboard bezel (continued) Remove three screws 3 and one screw 4. 3 4 3 3 Step 3 4 Screw (quantity) M2.5 × 6 mm, flat-head, nylon-coated (3) M2.0 × 3 mm, - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 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. 57 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 62
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 58 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 63
Lenovo B550 1130 System board Important notices for handling the system board: When surface such as an ESD mat or conductive corrugated material. 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 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 64
Lenovo B550 Hardware Maintenance Manual Figure 13. Removal steps of system board (continued) Unplug two connectors (bluetooth connector and speakers connector) in the direction shown by arrow 2, and remove two - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 65
Lenovo B550 Figure 13. Removal steps of system board (continued) Remove the system board in the direction shown by arrow 4. 4 b a a When installing: When attaching the system board - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 66
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) - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 67
Lenovo B550 Figure 14. Removal steps of Bluetooth 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. 3 3 3 3 4 4 Step 3 Screw (quantity) M2.5 × 5.7 mm, flat-head, nylon-coated (4) Color Black - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 68
Lenovo B550 Hardware Maintenance 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. 64 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 69
Lenovo B550 Note: Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. When you replace the - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 70
Lenovo B550 Hardware Maintenance Manual 1150 LCD front bezel For access, remove these FRUs in order: •• "1010 Battery pack" on page 34 •• "1030 Memory/Wireless module/CPU (central processing unit) compartment cover" on page 37 •• "1080 PCI Express Mini Card for wireless LAN/ - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 71
Lenovo B550 1160 LCD panel and hinges For access, remove these FRUs in order: •• "1010 Battery pack" on page 34 •• "1030 Memory/Wireless module/CPU (central processing unit) compartment cover" on page 37 •• "1080 PCI Express Mini Card for wireless LAN/ - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 72
Lenovo B550 Hardware Maintenance Manual Figure 16. Removal steps of LCD panel and hinges (continued) Remove the LCD panel in the direction shown by arrow 2. 2 Note: The LCD circuit is - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 73
Lenovo B550 1170 Integrated camera For access, remove these FRUs in order: •• "1010 Battery pack" on page 34 •• "1030 Memory/Wireless module/CPU (central processing unit) compartment cover" on page 37 •• "1080 PCI Express Mini Card for wireless LAN/ - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 74
Lenovo B550 Hardware Maintenance Manual 1180 Antenna assembly and LCD cover For access, remove these FRUs in order: •• "1010 Battery pack" on page 34 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. - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 75
Lenovo B550 Locations Front view 1 Integrated camera 2 Array microphones (bulit-in) 3 Wireless LAN antennas 4 System status indicators Note: For the description of each indicator, see "Status indicators" - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 76
Lenovo B550 Hardware Maintenance Manual Right-side view 1 USB port 2 Optical drive 3 AC power adapter jack 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 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 77
Lenovo B550 Parts list This section presents the following 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 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 78
Lenovo B550 Hardware Maintenance Manual Overall 1 3 2 4 5 f 6 a 7 9 10 8 11 g 12 h 13 14 15 16 17 18 c b 21 19 20 22 74 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 79
Lenovo B550 Table 5. Parts list-Overall No. FRU FRU no. 1 LCD unit (see "LCD FRUs" on page 78.) 2 NIWAB STRIP COVER-TEXTURE 15.6 71ER 2038201 3 NIWAB POWER - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 80
Lenovo B550 Hardware Maintenance Manual Table 5. Parts list-Overall (continued) No. FRU FRU no. 12 ion NB battery 16 Battery pack, 2200mA 6cell, LG Ayers 11.1V 3S2P 4400mAh 121000793 Li-ion NB battery 16 Battery pack, 2200mA 4cell, Sony Apex 14.8V 4S1P 2400mAh 121000723 Battery 17 KIWA8 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 81
Lenovo B550 Table 5. Parts list-Overall (continued) No. FRU FRU no. 18 Hard disk drive, 250G 5400rpm SATA, Seagate ST9250315AS 16004186 250G 9NB HDD 18 Hard disk - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 82
Lenovo B550 Hardware Maintenance Manual LCD FRUs In Lenovo B550, there are following types of LCDs. •• "15.6-in. HD TFT" d 5 6 78 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 83
Lenovo B550 15.6-in. HD TFT Table 6. Parts list-15.6-in. HD TFT No. FRU 1 NIWAB LCD BEZEL W/CMOS-TEXTURE 15.6 2 KIWA7 LCD BRACKET L&R 3 LCD panel, 15.6 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 84
Lenovo B550 Hardware Maintenance Manual Keyboard Table 7. Parts list-Keyboard New KB, add NM KB Language JME English U.K. English Italian Spanish Turkish Thai Portuguese Latin Canadian Korean Traditional Chinese Russian - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 85
Lenovo B550 Table 7. Parts list-Keyboard (continued) New KB, add NM KB (continued) B550 Low Cost KB Language Chicony Dafon English U.K. English Italian Spanish Turkish Thai Portuguese Latin Canadian Korean Traditional Chinese Russian French German Arabic Brazilian Czech Danish - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 86
Lenovo B550 Hardware Maintenance Manual Miscellaneous parts Table 8. Parts list-Miscellaneous parts FRU P/N System miscellaneous parts: • (a) KIWA7 T/P BRACKET EC07Q000500 31038373 • (b) KIWA7 HDD BRACKET AM040000300 31038374 • (c) KIWA7 ODD BRACKET EC02C000D00 31038393 • (d) - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 87
65W, Chicony CPA-A065 20V3.25A adapter 90W, Delta ADP-90DD B adapter 90W, Liteon PA-1900-56LC adapter 90W, Chicony CPA-A090 20V4.5A adapter Lenovo B550 P/N 36001646 36001651 36001714 36001792 36001647 36001652 36001789 83 - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 88
Lenovo B550 Hardware Maintenance Manual Power cords A Lenovo power cord for a specific country or region is usually available only in that country or region: Table 10. Parts list-3-pin power cords Region CCC • SSD YD-118-1+IEC53RVV+ - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 89
Lenovo B550 Table 10. Parts list-3-pin power cords (continued) Region Switzerland • Longwell LP-37+H03VV-F+LS-18 1m Brazil • Longwell LP-46+H03VV-F+LS-18 1m - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 90
Lenovo B550 Hardware Maintenance Manual Notices Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo - Lenovo B550 Laptop | Lenovo B550 Hardware Maintenance Manual V2.0 - Page 91
Users of this document should verify 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
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