Lenovo G470/G475/G570/G575Hardware Maintenance Manual
6Lenovo G470/G475/G570/G575 Hardware Maintenance ManualHandling devices that are sensitive to electrostatic dischargeAny computer part containing tra
7Safety informationSafety notices: multilingual translationsThe safety notices in this section are provided in English, French, German, Hebrew
8Lenovo G470/G475/G570/G575 Hardware Maintenance ManualSafety notice 2 DANGERSome standby batteries contain a small amount of nickel and cadmium. Do
9Safety informationSafety notice 3 DANGERThe battery pack contains small amounts of nickel. Do not disassemble it, throw it into re or water, or shor
10Lenovo G470/G475/G570/G575 Hardware Maintenance ManualSafety notice 4 DANGERThe lithium battery can cause a fire, an explosion, or a severe burn. Do
11Safety informationSafety notice 5If the LCD breaks and the uid from inside the LCD gets into your eyes or on your hands, immediately wash the affec
12Lenovo G470/G475/G570/G575 Hardware Maintenance ManualSafety notice 6 DANGERTo avoid shock, do not remove the plastic cover that protects the lower
13Safety informationSafety notice 8 DANGERBefore removing any FRU, turn off the computer, unplug all power cords from electrical outlets, remove the
14Lenovo G470/G475/G570/G575 Hardware Maintenance ManualLaser compliance statementSome models of Lenovo computer are equipped from the factor
15Safety informationA 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 89.First Edition (Dec.
16Lenovo G470/G475/G570/G575 Hardware Maintenance ManualImportant service informationThis chapter presents the following important service information
17Important service informationUse the following strategy to prevent unnecessary expense for replacing and servicing FRUs:If you are instructed to re
18Lenovo G470/G475/G570/G575 Hardware Maintenance ManualImportant information about replacing RoHS compliant FRUsRoHS, The Restriction of Hazardou
19General checkout General checkout This chapter presents the following information:• “What to do rst” on page 20• “Power system checkout” on page
20Lenovo G470/G475/G570/G575 Hardware Maintenance ManualWhat to do rstWhen you do return an FRU, you must include the following information in the pa
21General checkout Power system checkoutTo verify a symptom, follow the steps below:1. Turn off the computer.2. Remove the battery pack.3. Connect
22Lenovo G470/G475/G570/G575 Hardware Maintenance ManualPerform operational charging. If the battery status indicator or icon does not light on
23Related service informationRelated service informationThis chapter presents the following information:• “Restoring the factory contents by using On
24Lenovo G470/G475/G570/G575 Hardware Maintenance ManualWhen you use the recovery discs to boot your computer, the system will enter the user interfac
25Related service informationPower managementNote: Power management modes are not supported for APM operating system.To reduce power consumption, th
iiiContentsAbout this manual ... ivSafety information ... 1General safety ...
26Lenovo G470/G475/G570/G575 Hardware Maintenance ManualHibernation modeIn hibernation mode, the following occurs:The system status, RAM, VRAM, and se
27Lenovo G470/G475/G570/G575Lenovo G470/G475/G570/G575This chapter presents the following product-specific service references and product-speci
28Lenovo G470/G475/G570/G575 Hardware Maintenance ManualTable 1. Specications (continued)Feature DescriptionI/O port • Stereo Headphone Jack• Micr
29Lenovo G470/G475/G570/G575Status indicatorsThe system status indicators below show the computer status:1 23 4 5 6Table 2. Status indicatorsIndicator
30Lenovo G470/G475/G570/G575 Hardware Maintenance ManualTable 2. Status indicators (continued)Indicator Meaning4Battery status Blinking amber (500ms o
31Lenovo G470/G475/G570/G575Fn key combinationsThe following table shows the function of each combination of Fn with a function key.Table
32Lenovo G470/G475/G570/G575 Hardware Maintenance ManualFRU replacement noticesThis section presents notices related to removing and replacing par
33Lenovo G470/G475/G570/G575Removing and replacing an FRUThis section presents exploded gures with the instructions to indicate how to remove and rep
34Lenovo G470/G475/G570/G575 Hardware Maintenance Manual1010 Battery pack DANGEROnly use the battery specied in the parts list for your computer. Any
35Lenovo G470/G475/G570/G5751020 Dummy cardFor access, remove this FRU: • “1010 Battery pack” on page 34Figure 2. Removal steps of dummy cardRemove d
ivAbout this manualThis manual contains service and reference information for the following Lenovo product:Lenovo G470/G475/G570/G575Use this
36Lenovo G470/G475/G570/G575 Hardware Maintenance Manual1030 Optical driveFor access, remove these FRUs in order:• “1010 Battery pack” on page 34Figu
37Lenovo G470/G475/G570/G5751040 Hard disk drive (HDD)/Memory/CPU (Central processing unit)/Mini PCI ExpressCard slot compartment cover For access, re
38Lenovo G470/G475/G570/G575 Hardware Maintenance Manual1050 Hard disk drive For access, remove these FRUs in order: • “1010 Battery pack” on page 34
39Lenovo G470/G475/G570/G5753Step Screw (quantity) Color Torque1M2.0 × 4 mm, at-head, nylon-coated (2) Black 2.0kgfcm When installing: Make sure tha
40Lenovo G470/G475/G570/G575 Hardware Maintenance Manual1060 DIMMFor access, remove these FRUs in order: • “1010 Battery pack” on page 34• “1040 Har
41Lenovo G470/G475/G570/G5751070 Fan assembly and Heat Sink assemblyFor access, remove these FRUs in order: • “1010 Battery pack” on page 34• “1040
42Lenovo G470/G475/G570/G575 Hardware Maintenance ManualFigure 7. Removal steps of fan assembly and heat sink assembly (continued)Lift the fan assembl
43Lenovo G470/G475/G570/G575Figure 7. Removal steps of fan assembly and heat sink assembly (continued)aWhen installing: Before you attach the fan ass
44Lenovo G470/G475/G570/G575 Hardware Maintenance Manual1080 CPUFor access, remove these FRUs in order: • “1010 Battery pack” on page 34• “1040 Hard
45Lenovo G470/G475/G570/G5751090 PCI Express Mini Card for wireless LANFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “104
1Safety informationSafety informationThis chapter presents the following safety information that you need to get familiar with before you servic
46Lenovo G470/G475/G570/G575 Hardware Maintenance ManualNotes: wireless LAN card has 2 cables in step 1. wireless LAN card in some models may have 3
47Lenovo G470/G475/G570/G5751100 KeyboardFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1040 Hard disk drive (HDD)/Memo
48Lenovo G470/G475/G570/G575 Hardware Maintenance ManualFigure 10. Removal steps of keyboard (continued)Lift the keyboard a little 3, unlock the FP
49Lenovo G470/G475/G570/G5751110 Keyboard bezelFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1030 Optical drive” on page
50Lenovo G470/G475/G570/G575 Hardware Maintenance ManualFigure 11. Removal steps of keyboard bezel (continued)Remove one screw 5 and detach three FPC
51Lenovo G470/G475/G570/G575Figure 11. Removal steps of keyboard bezel (continued) Remove the keyboard bezel in the direction shown by arrows 7.7
52Lenovo G470/G475/G570/G575 Hardware Maintenance Manual1120 Power board and touch inductive panelFor access, remove these FRUs in order:• “1010 Batt
53Lenovo G470/G475/G570/G5751130 System boardImportant notices for handling the system board:When handling the system board, bear the following in min
54Lenovo G470/G475/G570/G575 Hardware Maintenance ManualFigure 13. Removal steps of system board (continued)Remove ve screws 2 and detach a connector
55Lenovo G470/G475/G570/G575Figure 13. Removal steps of system board (continued)Remove the system board in the direction shown by arrow 4.ba a4When in
2Lenovo G470/G475/G570/G575 Hardware Maintenance ManualGeneral safetyFollow these rules below to ensure general safety:Observe a good housekeeping i
56Lenovo G470/G475/G570/G575 Hardware Maintenance Manual1140 LCD unitFor access, remove these FRUs in order: • “1010 Battery pack” on page 34• “1020
57Lenovo G470/G475/G570/G575Figure 14. Removal steps of LCD unit (continued)223333When installing:Route the antenna cables along the cable guides. As
58Lenovo G470/G475/G570/G575 Hardware Maintenance ManualFigure 14. Removal steps of LCD unit (continued)Remove the LCD unit in the direction shown by
59Lenovo G470/G475/G570/G5751150 Speakers, bluetooth daughter card and base coverFor access, remove these FRUs in order:• “1010 Battery pack” on page
60Lenovo G470/G475/G570/G575 Hardware Maintenance ManualFigure 15. Removal steps of bluetooth daughter card and base cover (continued)The Bluetooth
61Lenovo G470/G475/G570/G575Figure 15. Removal steps of bluetooth daughter card and base cover (continued)Remove one screw 5 and then remove the US
62Lenovo G470/G475/G570/G575 Hardware Maintenance ManualNote: Applying labels to the base coverThe illustrations used in this Note are of the Lenovo G
63Lenovo G470/G475/G570/G575For models in other countries or regions:a Bluetooth label (for US/CA/TW/Indonesia)b SIRIM Bluetooth labelc SIRIM WLAN
64Lenovo G470/G475/G570/G575 Hardware Maintenance Manual1160 LCD front bezelFor access, remove these FRUs in order: • “1010 Battery pack” on page 34•
65Lenovo G470/G475/G570/G5751170 LCD panel and hingesFor access, remove these FRUs in order: • “1010 Battery pack” on page 34• “1020 Dummy card” on
3Safety informationElectrical safetyObserve the following rules when working on electrical equipments.Important:Use only approved tools and test equip
66Lenovo G470/G475/G570/G575 Hardware Maintenance ManualFigure 17. Removal steps of LCD panel and hinges (continued)Remove eight screws 4, and releas
67Lenovo G470/G475/G570/G5751180 Integrated cameraFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1020 Dummy card” on page
68Lenovo G470/G475/G570/G575 Hardware Maintenance Manual1190 Antenna assembly and LCD cover For access, remove these FRUs in order: • “1010 Battery p
69Lenovo G470/G475/G570/G575LocationsFront view1 Integrated camera2 Wireless module antennas (Select models only)3 System status indicatorsNote: Fo
70Lenovo G470/G475/G570/G575 Hardware Maintenance ManualRight-side view1 Headphone jack2 Microphone jack3 Optical drive4 USB port5 AC power adapt
71Lenovo G470/G475/G570/G575Parts listThis section presents the following service parts:• “Overall” on page 72• “LCD FRUs” on page 77• “Keyboard” o
72Lenovo G470/G475/G570/G575 Hardware Maintenance ManualOverall1237cdb14131916184f10e56891211a201517
73Lenovo G470/G475/G570/G575Table 4. Parts list—OverallNo. FRU FRU no.1 LCD unit (see “LCD FRUs” on page 77.)2 Keyboard (see “Keyboard” on page 79.)3
74Lenovo G470/G475/G570/G575 Hardware Maintenance ManualTable 4. Parts list—Overall (continued)No. FRU FRU no.11 DDRIII 1333 1GB, SY321NG08HBF (Vega/
75Lenovo G470/G475/G570/G575Table 4. Parts list—Overall (continued)No. FRU FRU no.14 Battery pack, 6 cell 2.2 Ah, G470 Sony L10N6Y02 48Wh 3S2P Bty(2yr
4Lenovo G470/G475/G570/G575 Hardware Maintenance ManualAlways look carefully for possible hazards in your work area. Examples of • these hazards a
76Lenovo G470/G475/G570/G575 Hardware Maintenance ManualTable 4. Parts list—Overall (continued)No. FRU FRU no.17 HDD, 640G 5400rpm SATA, WD6400BPVT-24
77Lenovo G470/G475/G570/G575LCD FRUsIn Lenovo G470/G475/G570/G575, there are following types of LCDs.“14.0-in. HD TFT”• “15.6-in. HD TFT”• 76321854
78Lenovo G470/G475/G570/G575 Hardware Maintenance Manual14.0-in. HD TFT (G470/G475)Table 5. Parts list—14.0-in. HD TFTNo. FRU FRU no.1 PIWG1 LCD SCREW
79Lenovo G470/G475/G570/G575KeyboardTable 7. Parts list—KeyboardG470/G475:Language P/NChiconyBulgarian 25011556 Czech-Slovakian 25011557 Internation
80Lenovo G470/G475/G570/G575 Hardware Maintenance ManualTable 7. Parts list—Keyboard (continued)Language P/NDafonBulgarian 25011633 Czech-Slovakian 2
81Lenovo G470/G475/G570/G575Table 7. Parts list—Keyboard (continued)Language P/NSunrexRussian 25011651 Traditional Chinese 25011652 Korean 25011653
82Lenovo G470/G475/G570/G575 Hardware Maintenance ManualTable 7. Parts list—Keyboard (continued)Language P/NDafonBulgarian 25012399 Czech-Slovakian 2
83Lenovo G470/G475/G570/G575Table 7. Parts list—Keyboard (continued)Language P/NSunrexRussian 25012436 Traditional Chinese 25012437 Korean 25012438
84Lenovo G470/G475/G570/G575 Hardware Maintenance ManualMiscellaneous partsTable 8. Parts list—Miscellaneous parts FRU P/NSystem miscellaneous parts:
85Lenovo G470/G475/G570/G575AC adaptersTable 9. Parts list—3-pin AC adaptersFRU P/NDelta ADP-65KH BD 20V/3.25A Aadapter 36001929 Liteon PA-1650-56LC
5Safety informationSafety inspection guideThe purpose of this inspection guide is to assist you in identifying potential unsafe conditions. As
86Lenovo G470/G475/G570/G575 Hardware Maintenance ManualPower cordsA Lenovo power cord for a specic country or region is usually available only in th
87Lenovo G470/G475/G570/G575Table 10. Parts list—3-pin power cords(continued)Region P/NSwitzerland• Longwell LP-37+H03VV-F+LS-18 1m145000565Brazil•
88Lenovo G470/G475/G570/G575 Hardware Maintenance ManualTable 10. Parts list—3-pin power cords(continued)Region P/NKorea • Volex LP-486+KTLH03VV-F+LS
89NoticesNoticesLenovo may not offer the products, services, or features discussed in this document in all countries. Consult your lo
90Lenovo G470/G475/G570/G575 Hardware Maintenance ManualAny performance data contained herein was determined in a controlled environment. The
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