Lenovo B575 Notebook Manual do Utilizador

Lenovo B575Hardware MaintenanceManual

Lenovo B575 Hardware Maintenance Manual6Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to electr

Safety information7The safety notices in this section are provided in English, French, German, Hebrew, Italian, Japanese, and Spanish.Safety notices:

Lenovo B575 Hardware Maintenance Manual8Safety notice 2DANGERSome standby batteries contain a small amount of nickel and cadmium. Do not disassemble a

Safety information9Safety notice 3DANGERThe battery pack contains small amounts of nickel. Do not disassemble it, throw it into fire or water, or shor

Lenovo B575 Hardware Maintenance Manual10Safety notice 4DANGERThe lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge it

Safety information11Safety notice 5If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands, immediately wash the affe

Lenovo B575 Hardware Maintenance Manual12Safety notice 6DANGERTo avoid shock, do not remove the plastic cover that protects the lower part of the inve

Safety information13Safety notice 8DANGERBefore removing any FRU, turn off the computer, unplug all power cords from electrical outlets, remove the ba

Lenovo B575 Hardware Maintenance Manual14Some models of Lenovo computer are equipped from the factory with an optical storage device such as a CD-ROM

Safety information15A CD-ROM drive, a DVD-ROM drive, or any other storage device installed may contain an embedded Class 3A or Class 3B laser diode. N

Note:Before using this information and the product it supports, be sure to read the general information under “Notices” on page 81.First Edition (Apri

Lenovo B575 Hardware Maintenance Manual16This chapter presents the following important service information:• “Strategy for replacing FRUs” on page 16–

Important service information17Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs:• If you are instructed to r

Lenovo B575 Hardware Maintenance Manual18RoHS, The Restriction of Hazardous Substances in Electrical and Electronic Equipment Directive (2002/95/EC) i

General checkout19This chapter presents the following information:• “What to do first” on page 20• “Power system checkout” on page 21Before you go to

Lenovo B575 Hardware Maintenance Manual20When you do return an FRU, you must include the following information in the parts exchange form or parts ret

General checkout21To verify a symptom, follow the steps below:1. Turn off the computer.2. Remove the battery pack.3. Connect the AC adapter.4. Make su

Lenovo B575 Hardware Maintenance Manual22Perform operational charging. If the battery status indicator or icon does not light on, remove the battery p

Related service information23This chapter presents the following information:• “Restoring the factory contents by using OneKey Recovery” on page 23• “

Lenovo B575 Hardware Maintenance Manual24When you use the recovery discs to boot your computer, the system will enter the user interface for system re

Related service information25Note: Power management modes are not supported for APM operating system.To reduce power consumption, the computer has thr

iiiAbout this manual...ivSafety information...1General safety ...

Lenovo B575 Hardware Maintenance Manual26Hibernation modeIn hibernation mode, the following occurs:• The system status, RAM, VRAM, and setup data are

Lenovo B57527This chapter presents the following product-specific service references and product-specific parts information:• “Specifications” on page

Lenovo B575 Hardware Maintenance Manual28Table 1. Specifications (continued)Feature DescriptionMODEM slot • N/AAudio • 1/8" Stereo Headphone Outp

Lenovo B57529The system status indicators below show the computer status:Table 2. Status indicatorsIndicator MeaningCaps lock White: Caps Lock mode is

Lenovo B575 Hardware Maintenance Manual30Power on White: System is enabled.Blinking white:System is in sleep mode.off: System is in hibernate mode or

Lenovo B57531The following table shows the function of each combination of Fn with a function key.Table 4. Fn key combinationsKey combination Descript

Lenovo B575 Hardware Maintenance Manual32This section presents notices related to removing and replacing parts. Read this section carefully before rep

Lenovo B57533This section presents exploded figures with the instructions to indicate how to remove and replace the FRU. Make sure to observe the foll

Lenovo B575 Hardware Maintenance Manual341010 Battery packFigure 1. Removal steps of battery packUnlock the battery release lever . Holding the batte

Lenovo B575351020 Dummy cardFor access, remove this FRU:• “1010 Battery pack” on page 34Figure 2. Removal steps of dummy cardsRemove the dummy card in

ivThis manual contains service and reference information for the following Lenovo product:Lenovo B575Use this manual to troubleshoot problems.The manu

Lenovo B575 Hardware Maintenance Manual361030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment coverFor access, remove this FRU:• “1

Lenovo B575371040 Hard disk driveFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1030 Hard disk drive(HDD)/Memory/Mini PCI E

Lenovo B575 Hardware Maintenance Manual381050 Optical driveFor access, remove this FRU:• “1010 Battery pack” on page 34• “1030 Hard disk drive(HDD)/Me

Lenovo B575391060 DIMMFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card

Lenovo B575 Hardware Maintenance Manual401070 PCI Express Mini Card for wireless LAN/WANFor access, remove these FRUs in order:• “1010 Battery pack” o

Lenovo B57541Figure 7. Removal steps of PCI Express Mini Card for wireless LAN/WAN (continued)Remove the card in the direction shown by arrow .When i

Lenovo B575 Hardware Maintenance Manual421080 KeyboardFor access, remove this FRU:• “1010 Battery pack” on page 34• “1030 Hard disk drive(HDD)/Memory/

Lenovo B57543Figure 8. Removal steps of keyboard (continued)Loosen the keyboard with fingers in the direction shown by arrows .b2

Lenovo B575 Hardware Maintenance Manual44Figure 8. Removal steps of keyboard (continued)Lift the keyboard a little , and then detach the connector in

Lenovo B575451090 Keyboard bezelFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1030 Hard disk drive(HDD)/Memory/Mini PCI Ex

Safety information1This chapter presents the following safety information that you need to get familiar with before you service a Lenovo computer:• “

Lenovo B575 Hardware Maintenance Manual46Figure 9. Removal steps of keyboard bezel (continued)Remove the screw .Step Screw (quantity) Color TorqueM2

Lenovo B57547Figure 9. Removal steps of keyboard bezel (continued)Detach five FPC connectors in the direction shown by arrows . Unplug the micropho

Lenovo B575 Hardware Maintenance Manual48Figure 9. Removal steps of keyboard bezel (continued)Remove the keyboard bezel in the direction shown by arro

Lenovo B575491100 System boardFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1020 Dummy card” on page 35• “1030 Hard disk d

Lenovo B575 Hardware Maintenance Manual50Figure 10. Removal steps of system boardRemove four screws . Unplug the LCD connector in the direction shown

Lenovo B57551Figure 10. Removal steps of system board (continued)Remove the system board in the direction shown by arrow .When installing: When attac

Lenovo B575 Hardware Maintenance Manual521110 LCD unitFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1020 Dummy card” on pa

Lenovo B57553Figure 11. Removal steps of LCD unit (continued)Remove the LCD unit in the direction shown by arrows .c33

Lenovo B575 Hardware Maintenance Manual541120 Fan assembly and Heat Sink assemblyFor access, remove these FRUs in order:• “1010 Battery pack” on page

Lenovo B57555Figure 12. Removal steps of fan assembly and heat sink assembly (continued)Loosen five screws .Lift the fan assembly and heat sink assem

Lenovo B575 Hardware Maintenance Manual2Follow these rules below to ensure general safety:• Observe a good housekeeping in the area where the machines

Lenovo B575 Hardware Maintenance Manual561130 Base cover, speakers and bluetooth cardFor access, remove these FRUs in order:• “1010 Battery pack” on p

Lenovo B57557Note: Applying labels to the base coverThe new base cover FRU is shipped with a kit containing labels of several kinds. When you replace

Lenovo B575 Hardware Maintenance Manual581140 LCD front bezelFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1020 Dummy card

Lenovo B575591150 LCD panel, LCD cable and hingesFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1020 Dummy card” on page 35

Lenovo B575 Hardware Maintenance Manual60Figure 16. Removal steps of LCD panel, LCD cable and hinges (continued)Remove four screws and remove the hi

Lenovo B57561Figure 16. Removal steps of LCD panel, LCD cable and hinges (continued)Note: The LCD cables are attached to the LCD panel by a metal conn

Lenovo B575 Hardware Maintenance Manual621160 Integrated cameraFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1020 Dummy ca

Lenovo B575631170 Antenna assembly and LCD coverFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1020 Dummy card” on page 35•

Lenovo B575 Hardware Maintenance Manual64Front viewIntegrated camera (Select models only)Wireless module antennas (Select models only)SpeakerPower but

Lenovo B57565Right-side viewHeadphone jackMicrophone jackUSB portOptical driveRJ-45 portabcde123435

Safety information3Observe the following rules when working on electrical equipments.• Find the room emergency power-off (EPO) switch, disconnecting t

Lenovo B575 Hardware Maintenance Manual66Bottom and Left-side viewKensington slotAC power adapter jackFan louversVGA portHDMI port (Select models only

Lenovo B57567This section presents the following service parts:• “Overall” on page 68• “LCD FRUs” on page 72• “Keyboard” on page 74• “Miscellaneous pa

Lenovo B575 Hardware Maintenance Manual68Overall1h151619c2091112141817b21133657a4edf2810g

Lenovo B57569Table 5. Parts list—OverallNo. FRU FRU no. CRU ID1 LCD unit (see “LCD FRUs” on page 72.)2 Keyboard (see “Keyboard” on page 74.)3 LB57 UPP

Lenovo B575 Hardware Maintenance Manual70Table 5. Parts list—Overall (continued)No. FRU FRU no. CRU ID13 DDRIII 1333 1GB, EBJ21UE8BFU0-DJ-F (Rev.F/1Gb

Lenovo B57571Table 5. Parts list—Overall (continued)No. FRU FRU no. CRU ID18 Hard disk drive, 500G 5400rpm SATA, Seagate ST9500325AS 500G 9NB16004189

Lenovo B575 Hardware Maintenance Manual72LCD FRUsIn Lenovo B575, there are following types of LCDs.• “15.6-in. HD TFT”8273465

Lenovo B5757315.6-in. HD TFTTable 6. Parts list—15.6-in. HD TFTNo. FRU FRU no. CRU ID1 LB575 LCD BEZEL W/CAREMA HOLE 31050451 N2 LA57 LCD SCREW HING M

Lenovo B575 Hardware Maintenance Manual74KeyboardTable 7. Parts list—KeyboardLanguage P/N CRU IDDafonBulgarian 25013298 **Czechoslovakian 25013299Inte

Lenovo B57575Table 7. Parts list—Keyboard (continued)Language P/N CRU IDChicony (continued)French 25013374 **Russian 25013375Traditional Chinese 25013

Lenovo B575 Hardware Maintenance Manual4• Always look carefully for possible hazards in your work area. Examples of these hazards are moist floors, no

Lenovo B575 Hardware Maintenance Manual76Miscellaneous partsTable 8. Parts list—Miscellaneous partsFRU P/N CRU IDSystem miscellaneous parts:• (a) LA5

Lenovo B57577AC adaptersTable 9. Parts list—3-pin AC adaptersFRU P/N CRU ID65W, Delta ADP-65KH BD 20V/3.25A adapter 36001929 N65W, Liteon PA-1650-56LC

Lenovo B575 Hardware Maintenance Manual78Power cordsA Lenovo power cord for a specific country or region is usually available only in that country or

Lenovo B57579Table 10. Parts list—3-pin power cords (continued)Region P/N CRU IDBrazil• Longwell LP-46+H03VV-F+LS-18 1m145000564 *Israel• Longwell LP-

Lenovo B575 Hardware Maintenance Manual80Table 10. Parts list—3-pin power cords (continued)Region P/N CRU IDKorea• Volex LP-486+KTLH03VV-F+LS-5 1m1450

Notices81Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Lenovo representativ

Lenovo B575 Hardware Maintenance Manual82Any performance data contained herein was determined in a controlled environment. Therefore, the result obtai

Safety information5The purpose of this inspection guide is to assist you in identifying potential unsafe conditions. As each machine was designed and