Lenovo B575 manuel d'utilisation

Lenovo B575 Hardware Maintenance Manual[...]

Note: Before using this information and the product it su pports, be sure to read the g eneral informati on under “Notices” on page 81. First Editi on (April 20 11) © Copyright Lenovo 2011. All rights reserved. LENOVO products, data, computer software, and servi c es have been developed exclusively at private expense and are sold to governme n[...]

iii About this manual ................................. ....... iv Safety inform ation............ .................. ........... 1 General safety ........................ ....................... ....... 2 Electrical safety ...................... ....................... ....... 3 Safety inspection guide ........ ....................... ....... 5 Ha[...]

iv This manua l contains se rvice and ref erence inform ation for th e following Lenovo product: Lenovo B575 Use this manual to troubleshoot pro blems. The manual is divi ded into the following sectio ns: • The common sections provide general information, gu ideli nes, and safety information required for servicing computers. • The product-speci[...]

Safety information 1 This chapter presents the following sa f ety information that you need to get familiar with before yo u service a Lenovo computer: • “General safety ” on page 2 • “Electrical safety” on pa ge 3 • “Safet y inspecti on guide” on page 5 • “Handling devices th at are sensiti ve to elec trostatic disch arge” [...]

Lenovo B575 Hardware Maintenance Manual 2 Follow these rules bel ow to ensure general safety: • Observe a good housekeeping in the ar ea where the machines ar e put during and after the ma intenance. • When lifting any heavy ob ject: 1. Make sure that you ca n st and safely without slipping. 2. Distribute the weight of the object equally betwee[...]

Safety information 3 Observe the following rules when working on el ectrical equipments. • Find the room emergency power -off (E PO) sw itch, disconn ecting the switch or electrical outlet . If an electric al accident oc curs, you can then operate the switch or unpl ug the power c ord qu ickly . • Do not work alone under hazardous cond itions o[...]

Lenovo B575 Hardware Maintenance Manual 4 • Always look carefully f or possible hazards in your work area. Examples of these hazards ar e moist floors, nongro un ded power exten sion cables, p ower surges, an d missing sa fety grou nds. • Do not touch live electrical cir cuits with the reflective surface of a plastic dental mirror . The surface[...]

Safety information 5 The purpose of this inspecti on guide is to assist yo u in identif ying potential unsafe conditions. As each machine was designed and built, required safety items were installed to protect users an d service personnel from injury. This guide addresses only those items. You sh ould use good judg ment to identify potential safety[...]

Lenovo B575 Hardware Maintenance Manual 6 Any computer part containing transistors or integrated circ uits (ICs) should be considered sensitiv e to electrostatic discharge (ESD) . ESD damage can occur when there is a difference in charge betw een objects. Pr otect against ESD dam age by equalizing the charge so that the machine, the part, the work [...]

Safety information 7 The safety notices in this section ar e provided in English, French, German, Hebrew, Italian, Japanese, and Spanish. Safety notices: multilingual translations Safety not ice 1 Before the computer is powered on af ter FRU replac ement, make su re all screws, springs, and other small par ts are in place and are not left loose ins[...]

Lenovo B575 Hardware Maintenance Manual 8 Safety n otice 2 DANGER Some standby batteries contai n a small amount of nick el and cadmium. Do not disassemble a standby battery , recharge it, throw it into fire or water, or short-circuit it. Dispose of the ba ttery as required by local ordinances or regulations. Use only the ba ttery in the appropriat[...]

Safety information 9 Safety n otice 3 DANGER The battery pack contains small am ounts of nickel. D o not disassemble i t, throw it into fire or water, or short-ci rcuit it. Dispose of the batter y pack as required by local ordinances or reg ulations. Use only the battery in the appropriate parts listing when repl acing the batter y pack. Use of an [...]

Lenovo B575 Hardware Maintenance Manual 10 Safety n otice 4 DANGER The lithium battery can ca use a fire, an explosion, or a severe burn. Do not recharge it, remove its polarized connect or, disassemble it, heat it above 100°C (212°F), i ncinerate it, o r expose its cell contents to w ater. Dispose of the battery as required by local ordi na nces[...]

Safety information 11 Safety n otice 5 If the LCD breaks and the fluid f rom in side the LCD gets into you r eyes or on your hands, imm ediately wash the a ffec ted areas wi th water at least for 15 minutes. Seek med ical care if any symptoms caused by the fluid are present after washing. Si le panneau d’af fichage à cris taux liq uides se bri s[...]

Lenovo B575 Hardware Maintenance Manual 12 Safety n otice 6 DANGER To avoid shock, do not re move the plastic cover that protects the lower part of the inverter card. Afin d’éviter tout risque de choc él ectrique, ne retirez pas le ca che en plastique protégeant la partie in férieure de la carte d’alimentation. Aus Sicherheitsgründen di e [...]

Safety information 13 Safety n otice 8 DANGER Before removing any FRU, turn off the compu ter, unplug all power cords from electrical outlets, remove the battery pack , and then disconnect any interconnecting cable s. Avant de retirer une unité remplaçable en clientèl e, mettez le système hors tension, débranchez tous les cord ons d’alimenta[...]

Lenovo B575 Hardware Maintenance Manual 14 Some models of Lenovo computer are equipped f rom the factory with an optical storage device such as a CD-R OM drive or a DVD-ROM dr ive. Such devices are also sold separately as options. If one of th ese drives is installed, it is certified in the U.S. to conform to the requirements of the Departme nt of [...]

Safety information 15 A CD-ROM drive, a DVD-ROM driv e, or any other storage device i nstalled may contain an embedded Class 3A or C lass 3B laser diode. Note the f ollowing: DANGER Emits visible and invisible laser radiat io n when open. Do not stare into the beam, do not view dir ectly with op tical instruments, and avoid direct exposure to the b[...]

Lenovo B575 Hardware Maintenance Manual 16 This chapter presents the followi ng important service information: • “Strategy for replacing FRUs” on pa ge 16 – “Strategy for replacing a hard disk drive” on page 17 – “Important notice for replacing a system board” on page 17 • “Important in formation abo ut replacing RoHS complian[...]

Important service information 17 Use the followi ng strategy to prevent u nnecessary expense for replacing a nd servicin g FRUs: • If you ar e instruct ed to repla ce an FR U, but the r eplacement does no t solve the problem, reinstall the original FRU before you continue. • Some comput ers have both a pr ocessor boar d and a syste m board. If [...]

Lenovo B575 Hardware Maintenance Manual 18 RoHS, The Restrictio n of Hazardous Substa nces in Electrical and Electronic Eq uipment Directi ve (2002/95/E C) is a European Un ion legal requirement af fecting the glob al electronics industry. RoHS r equirements must be implemente d on Lenovo products pl aced on the market aft er June 2006. Products on[...]

General checkout 19 This chapter presents the following i nformation: • “What to do fir st” on page 20 • “Power system checkout” on pa ge 21 Before you go to the checkout, mak e sure to read the following important notes: General checkout Important notes: • Only certified tr ained personnel can service the compu ter. • Before replac[...]

Lenovo B575 Hardware Maintenance Manual 20 When you do return an FRU, you m ust include the followin g informa tion in the parts exchange form or parts return fo rm that you attach to it: 1. Name and phone number of servicer 2. Date of se rvice 3. Date on which the ma chine fail ed 4. Date of pu rchase 5. Procedure index an d page number in which t[...]

General checkout 21 To verify a sympt om, follow the st eps below: 1. Turn off the comput er. 2. Remove the battery pac k. 3. Connect the AC adap ter. 4. Make sure that power is supplied when you turn on the computer. 5. Turn off the comput er. 6. Disconn ect the AC adapter and install th e charged batter y pack. 7. Make sure that the battery pack [...]

Lenovo B575 Hardware Maintenance Manual 22 Perform operational charg ing. If the batte ry status indi cator or icon does not light on, remove the battery pack and l et it return to room temperature. Reinstall the battery pac k. If the charge in dicator or ic on is still off, repla ce the battery pack. If the charge ind icator still do es not light [...]

Related service information 23 This chapter presents the following i nformation: • “Restoring the facto ry contents by usin g OneKey Recovery” on page 23 • “Passwords” on page 24 • “Power managemen t” on page 25 Restore of facto ry default The Lenovo B575 computers come wi th pr e-installed OneKey Rescue System. In order to save a[...]

Lenovo B575 Hardware Maintenance Manual 24 When you use the recovery discs to boot your computer, the system will enter the user interface for system recovery au tomatica lly. Please follow the prompt to insert the backup discs to c omplete the whole recovery process. As many as two passwords ma y be need ed for any Lenovo computer: the power- on p[...]

Related service information 25 Note: Power management mode s are not su pported for APM op erating system. To reduce power consumption, the c omp uter has three power mana gement modes: screen blank, sleep (standby), a nd hibernation. Screen blank mode If the time set on the “Turn off monitor” timer in the operating system expires, the LCD back[...]

Lenovo B575 Hardware Maintenance Manual 26 Hibernation mode In hibernation mod e, the following occur s: • The system status, RAM, VRAM, and setu p data are stored on the har d disk. • The system is powered off. To cause the computer to enter hibe rnation mode, follow the steps below: • If you ar e using the A CPI operating sy stem and have d[...]

Lenovo B575 27 This chapter presents the following pr oduct-specific service references and product-specific parts information: • “Specifications” on page 2 7 • “Status indic ators” on page 29 • “Fn key comb inations” o n page 31 • “FRU replacement notices” o n page 32 • “Removing and replacing an FRU” on page 3 3 • [...]

Lenovo B575 Hardware Maintenance Manual 28 Table 1. Specifications (continued) Feature Description MODEM slot • N/A Audio • 1/8" Ster eo Headphone O utput Jack • 1/8" Microphone Input Combo Jack • Built-in stereo speakers • Built-in microphone Video • CRT port x 1, HDMI port x 1 Ethernet (on the system board) • 10/100/1000 M[...]

Lenovo B575 29 The system status indicators below show the computer status: Table 2. Status indicator s Indicator Meaning Caps lock White: Caps Lock mod e is enabled. You can enter a ll alphabetic chara cters (A-Z) in uppercase wi thout pressing the Shift key. To enable or disable Caps Lock mode, press the CapsLk k ey. Num lock Whit e: The separate[...]

Lenovo B575 Hardware Maintenance Manual 30 Power on White: System is enabl ed. Blinking white: System is in sleep mode. off: System is in hi bernat e mode or shut down. Battery status Blinking amber: (500ms off/1s o n) The remaining power of the battery is less than 5% of its capacity. Blinking amber: (100ms off/3.2 s on) The battery is being charg[...]

Lenovo B575 31 The following table shows the function of each combination of Fn with a function key. Table 4. Fn key combinations Key combinatio n Description Fn + Esc: Turn on/off the integrated camera. Fn + F1: Enter sleep mode. Fn + F2: Turn on/off the backlight of the LCD screen. Fn + F3: Open the interface for th e display device switch to sel[...]

Lenovo B575 Hardware Maintenance Manual 32 This secti on presen ts notice s related t o removing and replacing parts. Read this section carefully before repl acing any FRU. Screw notices Loose screws can cause a reliability pr oblem. In the Lenovo computer, this problem is addressed with special nyl on- coated screws that have the following charact[...]

Lenovo B575 33 This section presents expl oded figures with the inst ructions to indicate how to remove and replace the FRU. Mak e sure to observe the following general r ules: 1. Do not attempt t o service any comput er unless you have been tr ained and certified. An untrai ned pers on runs the risk of damag ing parts. 2. Before replacing any FRU,[...]

Lenovo B575 Hardware Maintenance Manual 34 1010 Battery pack Figure 1. Re moval steps o f battery pa ck Unlock the battery release leve r . Holding the battery release lever in the unlocked position , remove the battery pack in the direction shown by arro w . When installing: Install the battery pack along th e slide rails of the slot. Then make su[...]

Lenovo B575 35 1020 Dummy card For access, remove this FRU: • “1010 Battery pac k” on page 34 Figure 2. Re moval steps of d ummy cards Remove the dummy card in the direction shown by a rrows . a b 1 2[...]

Lenovo B575 Hardware Maintenance Manual 36 1030 Hard disk drive(HDD)/Memory /Mini PCI Express Card slot compartment cover For access, remove this F RU: • “1010 Battery pac k” on page 34 Figure 3. Remova l steps of HDD/Memory/Mi ni PCI Express C ard slot compartment cover Loosen five screws , then re move the compartment cover . a b 2 1 1 1 1 [...]

Lenovo B575 37 1040 Hard disk drive For access, remove th ese FRUs in order: • “1010 Battery pac k” on page 34 • “1030 Hard disk drive(HDD)/Memo r y/Mini PCI Express Card slot compartmen t cover” on page 36 Figure 4. Re moval steps o f hard disk dr ive Remove the screw and pull the tab up in the directi on shown by arrow to remove the h[...]

Lenovo B575 Hardware Maintenance Manual 38 1050 Optical drive For access, remove this FRU: • “1010 Battery pac k” on page 34 • “1030 Hard disk drive(HDD)/Memo ry/Mini PCI Express Card slot compartmen t cover” on page 36 Figure 4. Remova l steps of optical d rive Remove the screw , insert a screwdri ve r into the screw hole and push the [...]

Lenovo B575 39 1060 DIMM For access, remove th ese FRUs in order: • “1010 Battery pac k” on page 34 • “1030 Hard disk drive(HDD)/Memo r y/Mini PCI Express Card slot compartmen t cover” on page 36 Figure 6. Re moval steps of D IMM Release the two latches on both edges of the soc ket at the same time in the direction shown by arrows , and[...]

Lenovo B575 Hardware Maintenance Manual 40 1070 PCI Express Mini Card for wireless LAN/WAN For access, remove th ese FRUs in order: • “1010 Battery pac k” on page 34 • “1030 Hard disk drive(HDD)/Memo ry/Mini PCI Express Card slot compartmen t cover” on page 36 Figure 7. Remova l steps of PCI Expre ss Mini Card for wireless LAN/WAN Disco[...]

Lenovo B575 41 Figure 7. Removal st eps of PCI Expr ess Mini Card for wirele ss LAN/WAN (continued) Remove the card in the direction shown by arrow . When installing: • In models with a wire less LAN card tha t has two antenna connectors, plug the black cable (1st) ( MAIN) into the jack labeled 1 , and the white cable (2nd) (AUX) into jack labele[...]

Lenovo B575 Hardware Maintenance Manual 42 1080 Keyboard For access, remove this FRU: • “1010 Battery pac k” on page 34 • “1030 Hard disk drive(HDD)/Memo ry/Mini PCI Express Card slot compartmen t cover” on page 36 Figure 8. R emoval steps of keyboard Remove three screws . Step Screw (quantity) Color Torque M2.5 × 8 mm, fl at-head, nyl[...]

Lenovo B575 43 Figure 8. R emoval step s of keyboard ( continued) Loosen the keyboard with fi ngers in the direction shown by arrows . b 2[...]

Lenovo B575 Hardware Maintenance Manual 44 Figure 8. R emoval step s of keyboard ( continued) Lift the keyboard a little , and then detach t he connector i n the direction shown by arrows . When installing: Make sure that the FPC connec tor is attached firmly. c d e 4 5 3[...]

Lenovo B575 45 1090 Keyboard bezel For access, remove th ese FRUs in order: • “1010 Battery pac k” on page 34 • “1030 Hard disk drive(HDD)/Memo r y/Mini PCI Express Card slot compartmen t cover” on page 36 • “1050 Optica l drive” on page 3 8 • “1080 Keyboard” on pa ge 42 Figure 9. Rem oval steps of keyboard beze l Remove ten[...]

Lenovo B575 Hardware Maintenance Manual 46 Figure 9. Rem oval steps of keyboard beze l (continued) Remove the screw . Step Screw (quant ity) Color Torqu e M2 × 6 mm, flat -head, nyl ok-coated (1 ) Black 2.5 kg fcm c 3 c[...]

Lenovo B575 47 Figure 9. Rem oval steps of keyboard beze l (continued) Detach five FPC c onnectors in the direction sh own by arrows . Unplug the microphone connector in the direction shown by arrow . When inst alling: Make sure that all the FPC co nnectors, microphone co nnectors and LCD connector are atta ched firmly. d e f 5 4 4 5 6[...]

Lenovo B575 Hardware Maintenance Manual 48 Figure 9. Rem oval steps of keyboard beze l (continued) Remove the keyboard bezel in the dir ection shown by arrow . Remove the screw , and then remove the power board . Step Screw (quant ity) Color Torqu e M2 × 3.5 mm, flat-head, ny lok-coated (1) Black 2. 5 kgfcm g 7 h i 9 8 h[...]

Lenovo B575 49 1100 System board For access, remove th ese FRUs in order: • “1010 Battery pac k” on page 34 • “1020 Dummy card” on page 35 • “1030 Hard disk drive(HDD)/Memo r y/Mini PCI Express Card slot compartmen t cover” on page 36 • “1040 Hard disk drive” on pag e 37 • “1050 Optica l drive” on page 3 8 • “1060 [...]

Lenovo B575 Hardware Maintenance Manual 50 Figure 10. R emoval step s of syste m board Remove four screws . Unplug the L CD connector in the direction shown by arrow , and four connector s in the direction shown by arr ow . When installing: Make sure that all the connectors are at tached firmly. Step Screw (quant ity) Color Torque M2 × 6 mm, fl at[...]

Lenovo B575 51 Figure 10. R emoval step s of syste m board (cont inued) Remove the system board in the dir ection shown by arrow . When instal ling: When attaching the system board to the base cov er, adjust the placement of the wireless radio switch as shown in , and make sure that bo th of the audio jack and the microphone jack are attached to th[...]

Lenovo B575 Hardware Maintenance Manual 52 1110 LCD unit For access, remove th ese FRUs in order: • “1010 Battery pac k” on page 34 • “1020 Dummy card” on page 35 • “1030 Hard disk drive(HDD)/Memo ry/Mini PCI Express Card slot compartmen t cover” on page 36 • “1040 Hard disk drive” on pag e 37 • “1050 Optica l drive” o[...]

Lenovo B575 53 Figure 11. R emoval step s of LCD uni t (continu ed) Remove the LCD unit in the direction shown by arrows . c 3 3[...]

Lenovo B575 Hardware Maintenance Manual 54 1120 Fan assembly and Heat Sink assembly For access, remove th ese FRUs in order: • “1010 Battery pac k” on page 34 • “1020 Dummy card” on page 35 • “1030 Hard disk drive(HDD)/Memo ry/Mini PCI Express Card slot compartmen t cover” on page 36 • “1040 Hard disk drive” on pag e 37 • [...]

Lenovo B575 55 Figure 12. R emoval step s of fan asse mbly and heat sink assembly (continued) Loosen five screws . Lift the fan assembly and heat sink asse mbly in the direction shown by arrow . Be careful not to damage the connector. b 2 2 2 2 2 c 3[...]

Lenovo B575 Hardware Maintenance Manual 56 1130 Base cove r, speakers and bluetooth c ard For access, remove th ese FRUs in order: • “1010 Battery pac k” on page 34 • “1020 Dummy card” on page 35 • “1030 Hard disk drive(HDD)/Memo r y/Mini PCI Express Card slot compartmen t cover” on page 36 • “1040 Hard disk drive” on pag e [...]

Lenovo B575 57 Note: Applyi ng labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. When you replace the base cover, you need to apply the following label: The following labels need to be peeled off from the old base cover, a nd need to be put on the new base cover. Palmrst Label AMD Label Rating[...]

Lenovo B575 Hardware Maintenance Manual 58 1140 LCD front bezel For access, remove th ese FRUs in order: • “1010 Battery pac k” on page 34 • “1020 Dummy card” on page 35 • “1030 Hard disk drive(HDD)/Memo r y/Mini PCI Express Card slot compartmen t cover” on page 36 • “1040 Hard disk drive” on pag e 37 • “1050 Optica l dr[...]

Lenovo B575 59 1150 LCD panel, LCD cable and hinges For access, remove th ese FRUs in order: • “1010 Battery pac k” on page 34 • “1020 Dummy card” on page 35 • “1030 Hard disk drive(HDD)/Memo r y/Mini PCI Express Card slot compartmen t cover” on page 36 • “1040 Hard disk drive” on pag e 37 • “1050 Optica l drive” on pa[...]

Lenovo B575 Hardware Maintenance Manual 60 Figure 16. R emoval step s of LCD panel , LCD cable and h inges (conti nued) Remove four screws and remove the hi nges in the direction shown by arro w . Step Screw (quant ity) Color Torqu e M2 × 2.5, flat -head, nylo kcoated (4) Black 1.5 kgfcm d e 4 4 4 4 5 5 d[...]

Lenovo B575 61 Figure 16. R emoval step s of LCD panel , LCD cable and h inges (conti nued) Note: The LCD cables ar e attached to the LCD panel by a me tal connector. Peel off the adhesive tape and detach t he connector in the direction shown by arrow . When installing: Mak e sure that the metal connector is a ttached firmly. f 6[...]

Lenovo B575 Hardware Maintenance Manual 62 1160 Integrated camer a For access, remove th ese FRUs in order: • “1010 Battery pac k” on page 34 • “1020 Dummy card” on page 35 • “1030 Hard disk drive(HDD)/Memo r y/Mini PCI Express Card slot compartmen t cover” on page 36 • “1040 Hard disk drive” on pag e 37 • “1050 Optica l[...]

Lenovo B575 63 1170 Antenna assembly and LCD cover For access, remove th ese FRUs in order: • “1010 Battery pac k” on page 34 • “1020 Dummy card” on page 35 • “1030 Hard disk drive(HDD)/Memo r y/Mini PCI Express Card slot compartmen t cover” on page 36 • “1040 Hard disk drive” on pag e 37 • “1050 Optica l drive” on pag[...]

Lenovo B575 Hardware Maintenance Manual 64 Front view Integrated camera (Select models only) Wireless modu le antennas (Selec t models only) Speaker Power button OneKey Rescue System button Built-in microphone System status indica tors Note: For the desc ription of each i ndicator, see “Status indicators” on pa ge 29. Touchpad Memory card slot [...]

Lenovo B575 65 Right-side view Headphone jack Microphone jack USB port Optical drive RJ-45 port a b c d e 1 2 3 4 3 5[...]

Lenovo B575 Hardware Maintenance Manual 66 Bottom and Left-s ide view Kensington slot AC power adapter jack Fan louvers VGA port HDMI port (Select models only) eSATA/USB combo port (Select m odels only) USB port Battery la tch - spr ing load ed Battery pack Battery la tch - man ual SIM card slot ( Select models only) Hard disk drive (H DD)/Memory/M[...]

Lenovo B575 67 This section presents the followi ng service parts: • “Overall” on page 6 8 • “LCD FRU s” on page 72 • “Keyboard” on page 74 • “Miscellaneous parts” on page 76 • “AC adapter s” on page 77 • “Power cords” on page 7 8 Parts list Notes: • Each FRU is avail able for all typ es or models, unless speci[...]

Lenovo B575 Hardware Maintenance Manual 68 Overall 1 h 15 16 19 c 20 9 11 12 14 18 17 b 21 13 3 6 5 7 a 4 e d f 2 8 10 g[...]

Lenovo B575 69 Table 5. P arts list—Over all No. FRU FRU no. CRU ID 1 LCD unit (see “LCD FRUs” on page 7 2.) 2 Keyboard (see “Keyboard” on page 74.) 3 LB57 UPPER CASE AS SY W/TP&MIC 31048999 N 4 LB575 POWER BOARD 31050449 N 5 LB57 LED BOARD W/CA BLE 31048995 N 6 LB575 FINGER PRINT BOAR D 31050448 N 7 LB575 MB UMA W/BT 11013664 N 7 LB5[...]

Lenovo B575 Hardware Maintenance Manual 70 Table 5. P arts list—Ov erall (cont inued) No. FRU FRU no. CRU ID 13 DDRIII 1333 1GB, EBJ21UE8BFU0-DJ-F (Rev.F/1Gb/ 60nm) 11012608 ** 13 DDRIII 1333 1GB, RMT1950MD58E8F-1333(V69A/2Gb/ 50nm) 11012213 ** 13 DDRIII 1333 1GB, HMT325S6BFR8C-H9 N0 (Rev Vega/ 2Gb/44nm) 11012197 ** 13 DDRIII 1333 1GB, RMT3020EF4[...]

Lenovo B575 71 Table 5. P arts list—Ov erall (cont inued) No. FRU FRU no. CRU ID 18 Hard disk drive, 500G 5400rpm SATA, Seagate ST9500325AS 500G 9NB 16004189 * 18 Hard disk drive, 500G 5400rpm SATA, WD5000BPVT - 24HXZT1 5400RPM 500G 16004846 * 18 Hard disk drive, 500G 5400rpm SATA, Hitachi HTS545050B9A300 500G 9NB 16004058 * 18 Hard disk drive, 5[...]

Lenovo B575 Hardware Maintenance Manual 72 LCD FRUs In Lenovo B575, there are following types of LCDs. • “15.6-in. HD TFT” 8 2 7 3 4 6 5[...]

Lenovo B575 73 15.6-in. HD TFT Table 6. Parts lis t—15.6-in. HD TFT No. FRU FRU no. CRU ID 1 LB575 LCD BEZEL W/CA REMA HOLE 31050451 N 2 LA57 LCD SCREW HING MYLAR 31048973 N 3 15.6 HD LED Panel, B156XW02 V 2 18003797 N 3 15.6 HD LED Panel, N156BGE-L21 18004787 N 3 15.6 HD LED Panel, LP156WH4 -TLA1 18004786 N 3 15.6 HD LED Panel, LTN156AT16-L01 18[...]

Lenovo B575 Hardware Maintenance Manual 74 Keyboard Table 7. P arts list—K eyboard Language P/N CRU ID Dafon Bulgarian 25013298 ** Czechoslovakian 25013299 International English 25013300 Swiss 25013301 Slovenian 25013302 Icelandic 25013303 Belgian 25013304 Four Nordic countries 25013306 Hungarian 25013307 Hebrew 25013308 Greek 25013309 Dutch 2501[...]

Lenovo B575 75 Table 7. P arts list—K eyboard (c ontinued) Language P/N CRU ID Chicony (conti nued) French 25013374 ** Russian 25013375 Traditional Chinese 250 13376 Korean 25013377 Canadian English&French 25013378 Latin 25013379 Portuguese 250 13380 Thai 25013381 Turkish 25013382 Spanish 25013387 Italian 25013383 U.K. English 25013384 Englis[...]

Lenovo B575 Hardware Maintenance Manual 76 Miscellaneous parts Table 8. P arts list—Mi scellaneou s parts FRU P/N CRU ID System miscellaneou s parts: • (a) LA57 FINGER PRINT BRACKET • (b) LA57 HDD BRACKET ASSY • (c) LA57 ODD BRACKET • (d) LB 57 TOUCHPD BRACKET 31048993 31048979 31048980 31048996 N Cable miscellaneous parts: • (e) LA57 P[...]

Lenovo B575 77 AC adapters Table 9. Parts list—3-pi n AC adapters FRU P/N CRU ID 65W, Delta ADP-65KH BD 20V/3.25A adapter 36001929 N 65W, Liteon PA-1650-56LC ada pter 36001651 N 65W, Chicony CPA-A065 20V3.25A adapter 36001943 N 65W, Brazil PA-1650-52LB adapter 36001714 N 90W, Delta ADP-90DD BD 20V4.5A adapter 36001941 N 90W, Liteon PA-1900-56LC 2[...]

Lenovo B575 Hardware Maintenance Manual 78 Power cords A Lenovo power cord for a specific country or regi on is usually available only in that country or region: Table 10. Pa rts list—3-p in power co rds Region P/N CRU ID CCC • SSD YD-1 18-1+IEC53R VV+SSD-3-2B-1 1m 145000602 * CCC • LINETEK PC323 +R VV300/300+LS15 1m 145000600 Argentina • L[...]

Lenovo B575 79 Table 10. Pa rts list—3 -pin power c ords (conti nued) Region P/N CRU ID Brazil • Longwell LP-46+H03VV -F+ LS-18 1m 145000564 * Israel • Longwell LP-41+H03VV -F+ LS-18 1m 145000563 UL • Longwell LP-30B+SPT- 2 18A WG +LS-18 1m 145000562 UK • Longwell LP-61L+H03VV -F+LS-1 8 1m 145000561 Indian • Longwell LP-67+BIS+LS-18 1m [...]

Lenovo B575 Hardware Maintenance Manual 80 Table 10. Pa rts list—3 -pin power c ords (conti nued) Region P/N CRU ID Korea • V olex LP-4 86+KTLH03VV - F+LS-5 1m 145000533 * Australia • V o lex LP -23A+L FC-3R+ LS-18 1m 145000532 Taiwan • V olex LP-71+VC TF+LS-33 1m 145000531 Japan • V olex LP-54+VC TF+LS-18 1m 145000530 CE • V olex LP-34[...]

Notices 81 Lenovo may not off er the products, serv ices, or features discussed in this document in all countr ies. Consult your local Lenovo representativ e for information on the products a nd services currently a vailable in your area. Any reference to a Lenovo product, prog ram, or service is not intended to state or imply that only that Lenovo[...]

Lenovo B575 Hardware Maintenance Manual 82 Any performance data contained here in was determined in a controlled environment. Therefore, th e result obtained in othe r operating environments may vary significantly . Some meas urements may hav e been made on development-level systems and there is no guarantee that these measurements will be the same[...]