Lenovo B4400 Specifikace

Lenovo B4400Hardware MaintenanceManual

Lenovo B4400 Hardware Maintenance Manual6Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to elect

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

Lenovo B4400 Hardware Maintenance Manual8Safety notice 2DANGERSome standby batteries contain a small amount of nickel and cadmium. Do not disassemble

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

Lenovo B4400 Hardware Maintenance Manual10Safety notice 4DANGERThe lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge i

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 B4400 Hardware Maintenance Manual12Safety notice 6DANGERTo avoid shock, do not remove the plastic cover that protects the lower part of the inv

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

Lenovo B4400 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 83.First Edition (Sept

Lenovo B4400 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 B4400 Hardware Maintenance Manual18RoHS, The Restriction of Hazardous Substances in Electrical and Electronic Equipment Directive (2002/95/EC)

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

Lenovo B4400 Hardware Maintenance Manual20When you do return an FRU, you must include the following information in the parts exchange form or parts re

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 B4400 Hardware Maintenance Manual22Perform operational charging. If the battery status indicator or icon does not light on, remove the battery

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

Lenovo B4400 Hardware Maintenance Manual247. When all of the data has been copied from the last disc in the set, remove the disc and restart the compu

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 B4400 Hardware Maintenance Manual26Putting your computer to sleepIf you will be away from your computer for only a short time, put the computer

Lenovo B440027This chapter presents the following product-specific service references and product-specific parts information:• “Specifications” on pag

Lenovo B4400 Hardware Maintenance Manual28Table 1. Specifications (continued)Feature DescriptionSolid-state drive • 24G (on select models)Optical driv

Lenovo B440029The system status indicators below show the computer status:Status indicatorsedfa b c

Lenovo B4400 Hardware Maintenance Manual30Table 2. Status indicatorsIndicator MeaningGreen 80% - 100% charged, or 20% - 100% discharged.Slow blinking

Lenovo B440031The following table shows the function of each combination of Fn with a function key.Table 3. Fn key combinationsFn + Esc: Windows 7: Op

Lenovo B4400 Hardware Maintenance Manual32This section presents notices related to removing and replacing parts. Read this section carefully before re

Lenovo B440033This section presents exploded figures with the instructions to indicate how to remove and replace the FRU. Make sure to observe the fol

Lenovo B4400 Hardware Maintenance Manual341010 Battery packFigure 1. Removal steps of battery packUnlock the manual battery latch . Holding the sprin

Lenovo B4400351020 Dummy card (Optional)Figure 2. Removal steps of dummy cardsRemove the dummy card in the direction shown by arrows .a b12

ivThis manual contains service and reference information for the following Lenovo product:IdeaPad B4400Use this manual to troubleshoot problems.The ma

Lenovo B4400 Hardware Maintenance Manual361030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment coverFor access, remove this FRU:• “

Lenovo B4400371040 Hard disk driveFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1030 Hard disk drive(HDD)/Memory/Mini PCI

Lenovo B4400 Hardware Maintenance Manual38Figure 4. Removal steps of hard disk drive (contiuned)Pull the tab in the direction shown by arrow .Take ou

Lenovo B440039Figure 4. Removal steps of hard disk drive (contiuned)Remove four screws and detach the metal frame from the hard disk drive.Step Scre

Lenovo B4400 Hardware Maintenance Manual401050 Optical driveFor access, remove this FRU:• “1010 Battery pack” on page 34Figure 5. Removal steps of opt

Lenovo B4400411060 DDR3L SDRAMFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1030 Hard disk drive(HDD)/Memory/Mini PCI Expr

Lenovo B4400 Hardware Maintenance Manual421070 Mini PCI Express Card for wireless LAN/WANFor access, remove these FRUs in order:• “1010 Battery pack”

Lenovo B440043Figure 7. Removal steps of Mini PCI Express Card for wireless LAN/WAN (continued)Remove the card in the direction shown by arrow .When

Lenovo B4400 Hardware Maintenance Manual441080 KeyboardFor access, remove this FRU:• “1010 Battery pack” on page 34Figure 8. Removal steps of keyboard

Lenovo B440045Figure 8. Removal steps of keyboard (continued)Lift the keyboard a little , and then detach the connector in the direction shown by arr

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

Lenovo B4400 Hardware Maintenance Manual461090 Keyboard bezelFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1030 Hard disk

Lenovo B440047Figure 9. Removal steps of keyboard bezel (continued)Detach LED board connector in the direction shown by arrow ,fingerprint reader con

Lenovo B4400 Hardware Maintenance Manual481100 System boardFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1020 Dummy card (

Lenovo B440049Figure 10. Removal steps of system boardLoosen the screws .Detach IO board connector in the direction shown by arrow , LCD connector i

Lenovo B4400 Hardware Maintenance Manual50Figure 10. Removal steps of system board (continued)Detach USB connector in the direction shown by arrow .R

Lenovo B4400511110 LCD unitFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1020 Dummy card (Optional)” on page 35• “1030 Har

Lenovo B4400 Hardware Maintenance Manual52Figure 11. Removal steps of LCD unit (continued)Remove the LCD unit in the direction shown by arrows .c33

Lenovo B4400531120 Fan assembly and Heat Sink assemblyFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1020 Dummy card (Optio

Lenovo B4400 Hardware Maintenance Manual541130 CPUFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1020 Dummy card (Optional)

Lenovo B4400551140 Base cover, speakers, power assembly and IO boardFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1020 Dum

Lenovo B4400 Hardware Maintenance Manual2Follow these rules below to ensure general safety:• Observe a good housekeeping in the area where the machine

Lenovo B4400 Hardware Maintenance Manual56Figure 14. Removal steps of base cover, power assembly and IO board (continued)Remove two screws . Remove t

Lenovo B440057Note: Applying labels to the base coverThe new base cover FRU is shipped with a kit containing labels of several kinds. When you replace

Lenovo B4400 Hardware Maintenance Manual581150 LCD front bezelFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1020 Dummy car

Lenovo B4400591160 LCD panel, LCD cable and hingesFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1020 Dummy card (Optional)

Lenovo B4400 Hardware Maintenance Manual60Figure 16. Removal steps of LCD panel, LCD cable and hinges (continued)Remove four screws . Lift the LCD pa

Lenovo B4400611170 Integrated cameraFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1020 Dummy card (Optional)” on page 35•

Lenovo B4400 Hardware Maintenance Manual621180 Antenna assembly and LCD coverFor access, remove these FRUs in order:• “1010 Battery pack” on page 34•

Lenovo B440063Front viewIntegrated cameraWireless antennasDisplayPower buttonSpeakersPower and battery indicatorTouch padMemory card slotSystem indica

Lenovo B4400 Hardware Maintenance Manual64Right-side viewPowerOptical disc driveUSB portCombo audio jackabcd3214

Lenovo B440065Bottom and Left-side viewKensington slotVentilation slotsVGA portRJ-45 portHDMI portUSB 3.0 portsHard disk drive/Memory/Mini PCI Express

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

Lenovo B4400 Hardware Maintenance Manual66This section presents the following service parts:• “Overall” on page 67• “LCD FRUs” on page 71• “Keyboard”

Lenovo B440067Overall1912111323175 (6)8322427101420ed1516ba18f1921cg

Lenovo B4400 Hardware Maintenance Manual68Table 4. Parts list—OverallNo. FRU FRU no. CRU ID1 LCD unit (see “LCD FRUs” on page 71.)2 Keyboard (see “Key

Lenovo B440069Table 4. Parts list—Overall (continued)No. FRU FRU no. CRU ID9 WLAN Realtek RTL8188EE bgn 1x1 HMC WLAN RTL8188EE MOW M PCIE NB HMC WLAN

Lenovo B4400 Hardware Maintenance Manual70Table 4. Parts list—Overall (continued)No. FRU FRU no. CRU ID16 HDD 1TB/5400rpm M8 BP 2 (6G) 16200385 **16 H

Lenovo B440071LCD FRUsIn Lenovo B4400, there are following types of LCDs.• “14.0-in. HD TFT” B440056443789

Lenovo B4400 Hardware Maintenance Manual7214.0-in. HD TFTTable 5. Parts list—14.0-in. HD TFTNo. FRU FRU no. CRU ID1 LB440 LCD Bezel W/Camera Hole 9020

Lenovo B440073KeyboardTable 6. Parts list—KeyboardLanguage P/N CRU IDB4400 DafonIndian 25209361 **Bulgarian 25209360 **Czechoslovakian 25209359 **Inte

Lenovo B4400 Hardware Maintenance Manual74Table 6. Parts list—Keyboard (continued)Language P/N CRU IDB4400 (continued)SunrexIndian 25209376 **Bulgaria

Lenovo B440075Table 6. Parts list—Keyboard (continued)Language P/N CRU IDB4400 (continued)ChiconyIndian 25209317 **Bulgarian 25209318 **Czechoslovakia

Lenovo B4400 Hardware Maintenance Manual4• Always look carefully for possible hazards in your work area. Examples of these hazards are moist floors, n

Lenovo B4400 Hardware Maintenance Manual76Miscellaneous partsTable 7. Parts list—Miscellaneous partsFRU P/N CRU IDSystem miscellaneous parts:• (a) LA

Lenovo B440077AC adaptersTable 8. Parts list—3-pin AC adaptersTable 9. Parts list—ScrewsFRU P/N CRU ID 90W, AC Adapter (2Pin) 20V Common with Rectangl

Lenovo B4400 Hardware Maintenance Manual78Power cordsA Lenovo power cord for a specific country or region is usually available only in that country or

Lenovo B440079Table 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 B4400 Hardware Maintenance Manual80Table 10. Parts list—3-pin power cords (continued)Region P/N CRU IDKorea• VOLEX M2511+KETI IEC+VAC5S 1m14500

Lenovo B440081Table 10. Parts list—2-pin power cordsRegion P/N CRU IDCCC• Linetek LINETEK PC205+RVV300/300 0.75/2C+COC03 1m145500018 *CCC• Longwell LS

Lenovo B4400 Hardware Maintenance Manual82Table 10. Parts list—2-pin power cordsRegion P/N CRU ID Israel• LINETEK LP45+H03VVH2-F 0.75/2C+LS7H 1m 145

Notices83Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Lenovo representativ

Lenovo B4400 Hardware Maintenance Manual84Any performance data contained herein was determined in a controlled environment. Therefore, the result obta

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