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Lenovo E470, Hardware Maintenance Manual

The Lenovo E470 is a versatile and reliable laptop designed for professionals on the go. To ensure the longevity and optimal performance of this device, make use of the comprehensive Hardware Maintenance Manual available for download, free of cost, from our website.

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E470, E470c, and E475  
Hardware Maintenance Manual

Summary of Contents for E470

Page 1: ...E470 E470c and E475 Hardware Maintenance Manual ...

Page 2: ...er Appendix A Notices on page 93 Third Edition July 2017 Copyright Lenovo 2016 2017 LIMITED AND RESTRICTED RIGHTS NOTICE If data or software is delivered pursuant to a General Services Administration GSA contract use reproduction or disclosure is subject to restrictions set forth in Contract No GS 35F 05925 ...

Page 3: ... Reinstalling preinstalled programs and device drivers 32 Restoring the factory contents by using the Recovery Disc Set 33 Recovery overview for the Windows 10 operating system 34 Resetting your computer 34 Using advanced startup options 34 Recovering your operating system if Windows 10 fails to start 35 Creating and using a recovery USB drive 35 Passwords 35 Power on password 36 Hard disk passwor...

Page 4: ...sembly 73 1090 Speaker assembly 75 1110 System board and thermal fan assembly 77 1120 Base cover assembly and LCD unit 82 2010 LCD bezel assembly 84 2020 LCD panel 84 2030 Hinge kit 85 2040 Integrated camera and microphone combo card 88 2050 ThinkPad logo LED card and LCD cable assembly 89 2060 Wireless LAN antennas assembly and LCD rear cover assembly 89 Appendix A Notices 93 Electronic emissions...

Page 5: ...dvanced diagnostic tests to troubleshoot problems Important This manual is intended only for trained service technicians who are familiar with ThinkPad products Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively Before servicing a ThinkPad product be sure to read all the information under Chapter 1 Safety information on page 1 and Chapter 2 Important serv...

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Page 7: ...toolcase away from walk areas so that other people will not trip over it Do not wear loose clothing that can be trapped in the moving parts of a machine Make sure that your sleeves are fastened or rolled up above your elbows If your hair is long fasten it Insert the ends of your necktie or scarf inside clothing or fasten it with a nonconductive clip about 8 centimeters 3 inches from the end Do not...

Page 8: ...tions of maintenance information Use extreme care when measuring high voltages Regularly inspect and maintain your electrical hand tools for safe operational condition Do not use worn or broken tools and testers Never assume that power has been disconnected from a circuit First check that it has been powered off Always look carefully for possible hazards in your work area Examples of these hazards...

Page 9: ...or pinched cables 9 Check that the power supply cover fasteners screws or rivets have not been removed or tampered with Handling devices that are sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits ICs should be considered sensitive to electrostatic discharge ESD ESD damage can occur when there is a difference in charge between objects Protect again...

Page 10: ...trical grounding of the computer is required for operator safety and correct system function Proper grounding of the electrical outlet can be verified by a certified electrician Safety notices multilingual translations The safety notices in this section are provided in the following languages English Arabic Brazilian Portuguese French German Hebrew Japanese Korean Spanish Traditional Chinese DANGE...

Page 11: ...DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information 5 ...

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Page 13: ...PERIGO PERIGO Chapter 1 Safety information 7 ...

Page 14: ...PERIGO PERIGO PERIGO PERIGO PERIGO 8 E470 E470c and E475 Hardware Maintenance Manual ...

Page 15: ...PERIGO DANGER DANGER DANGER DANGER Chapter 1 Safety information 9 ...

Page 16: ...DANGER DANGER DANGER DANGER VORSICHT 10 E470 E470c and E475 Hardware Maintenance Manual ...

Page 17: ...VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information 11 ...

Page 18: ...VORSICHT VORSICHT VORSICHT 12 E470 E470c and E475 Hardware Maintenance Manual ...

Page 19: ...Chapter 1 Safety information 13 ...

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Page 21: ...Chapter 1 Safety information 15 ...

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Page 23: ...Chapter 1 Safety information 17 ...

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Page 25: ...Chapter 1 Safety information 19 ...

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Page 27: ...lacing parts Ensure that all software fixes drivers and UEFI BIOS downloads are installed before replacing any FRUs listed in this manual After a system board is replaced ensure that the latest UEFI BIOS is loaded to the system board before completing the service action To download software fixes drivers and UEFI BIOS go to http www lenovo com ThinkPadDrivers and follow the instructions on the scr...

Page 28: ...ssage Use the error codes displayed on the screen to diagnose failures If more than one error code is displayed begin the diagnosis with the first error code Whatever causes the first error code may also cause false error codes If no error code is displayed see whether the error symptom is listed in the Symptom to FRU Index for the computer you are servicing Strategy for replacing FRUs for CTO spe...

Page 29: ...o identify the major FRUs for a product do the following 1 Go to http www lenovo com support 2 Click Warranty Services 3 Click Check Warranty Status 4 On the Warranty Status Lookup page click Parts Lookup 5 Type your machine type and serial number and then click Submit eSupport also can be used to view the general FRU list for a product To get the general FRU list for a product do the following 1 ...

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Page 31: ...lures can occur for a variety of reasons that have nothing to do with a hardware defect such as cosmic radiation electrostatic discharge or software errors Consider replacing a FRU only when a problem recurs If you suspect that a FRU is defective clear the error log and run the test again If the error does not recur do not replace the FRU Be careful not to replace a nondefective FRU What to do fir...

Page 32: ...llowing procedures as a guide in identifying and correcting problems with the ThinkPad notebook computers Note The diagnostic tests are intended to test only ThinkPad products The use of non ThinkPad products prototype cards or modified options can lead to false indications of errors and invalid system responses 1 Identify the failing symptoms in as much detail as possible 2 Verify the symptoms Tr...

Page 33: ...ctions on the screen to start the test When a problem is detected information messages are displayed Refer to the messages to troubleshoot the problem UEFI diagnostic program A UEFI diagnostic program is preinstalled on the computer It enables you to test memory modules and internal storage devices view system information and check and recover bad sectors on internal storage devices To run the UEF...

Page 34: ... the bootable diagnostic medium on a USB device do the following 1 Attach the USB device to the computer 2 Turn on the computer If the computer cannot be turned on go to Power system checkout on page 29 and check the power sources If an error code is displayed go to Symptom to FRU index on page 39 for error code descriptions and troubleshooting hints 3 When the ThinkPad logo is displayed repeatedl...

Page 35: ...t replicator If the system status indficator does not blink three times when an ac power source is connected check the power cord of the ac power adapter for correct continuity and installation If the computer does not charge during operation go to Checking the built in battery and operational charging on page 29 To check the ac power adapter do the following 1 Unplug the ac power adapter cable fr...

Page 36: ...battery If the battery status icon in the Windows notification area indicates that the battery is not charging remove the battery and let it return to room temperature 3 Reinstall the battery If the battery is still not charging replace the battery pack 4 Check the battery status icon again If the same error still exists replace the system board Checking the coin cell battery To check the coin cel...

Page 37: ... a safe place after you have made them If you did not create recovery media as a precautionary measure you can contact Lenovo Customer Support Center and purchase a set of recovery media from Lenovo For a list of the Lenovo Support phone numbers for your country or region go to http www lenovo com support phone The data on the recovery media can be used only for the following purposes Reinstalling...

Page 38: ...s you to reinstall preinstalled programs and device drivers Reinstalling preinstalled programs To reinstall programs preinstalled on your computer do the following 1 Turn on your computer 2 Go to C swtools 3 Open the apps folder The folder contains several subfolders named for various preinstalled programs 4 Open the subfolder and locate the EXE file 5 Double click the EXE file and follow the inst...

Page 39: ...nstalled on the computer Not all recovery disc sets come with a Supplemental Recovery Disc Notes You must have a DVD drive to use the recovery discs If you do not have an internal DVD drive you can use an external USB DVD drive During the recovery process all data on the drive will be deleted If possible copy any important data or personal files that you want to keep onto removable media or a netw...

Page 40: ...your computer or use advanced startup options It is recommended that you create a recovery USB drive as early as possible Store the recovery USB drive as a backup or replacement for the Windows recovery programs For more information see Creating and using a recovery USB drive on page 35 Resetting your computer If your computer does not perform well you might consider resetting your computer In the...

Page 41: ...u want to keep To create a recovery USB drive do the following Note Ensure that your computer is connected to ac power during the following process 1 Connect a proper USB drive at least 16 GB of storage 2 Type recovery in the search box on the taskbar Then click Create a recovery drive 3 Click Yes in the User Account Control window to allow the Recovery Media Creator program to start 4 In the Reco...

Page 42: ...ce technicians provide any services to reset either the user or the master hard disk password or to recover data from the hard disk drive The hard disk drive can be replaced for a scheduled fee For how to remove the hard disk password see How to remove the hard disk password on page 37 Supervisor password The supervisor password protects the system information stored in the ThinkPad Setup program ...

Page 43: ...n If User only mode is selected and the user hard disk password has been forgotten and cannot be made available to the service technician neither Lenovo nor Lenovo authorized service technicians provide any services to reset the user hard disk passwords or to recover data from the hard disk drive To put the system back to operational status the only Lenovo and Lenovo authorized service solution wo...

Page 44: ... of inactivity specified in power plan settings When the battery power is low To cause the computer to return from sleep mode and resume operation do one of the following Press any key Open the LCD cover Turn on the power button Also in either of the following events the computer automatically returns from sleep mode and resumes operation The ring indicator RI is signaled by a serial device or a P...

Page 45: ...the sequence shown in the column headed FRU or action in sequence If replacing a FRU does not solve the problem put the original part back in the computer Do not replace a nondefective FRU This index can also help you determine during regular servicing what FRUs are likely to need to be replaced next A numeric error is displayed for each error detected in POST or system operation In the displays n...

Page 46: ...o reset the time and date 2 Replace the coin cell battery and run ThinkPad Setup to reset the time and date 1802 Unauthorized network card is plugged in Power off and remove the network card 1 Remove network card 2 Replace the system board 1820 More than one external fingerprint reader are attached Power off and remove all but the reader that you set up within your main operating system Remove all...

Page 47: ...eep 1 Replace the memory module 2 Replace the system board Three short beeps pause one short beep pause one more short beep pause and three short beeps Remove the device from ExpressCard slot Five short beeps Replace the system board One long and two short beeps Replace the system board Five short beeps pause five short beeps and pause Replace the system board No beep symptoms Table 5 No beep symp...

Page 48: ...ixels Screen abnormal Wrong color displayed 1 See important note for LCD related symptoms 2 Reseat all LCD connectors 3 Replace the LCD assembly 4 Replace the system board Horizontal or vertical lines displayed on LCD Replace the LCD assembly Intermittent problems Intermittent system hang problems can be due to a variety of causes that have nothing to do with a hardware defect such as cosmic radia...

Page 49: ...olid state drive f External diskette drive or optical drive g Memory module h PC cards 4 Turn on the computer 5 Determine whether the problem has been solved 6 If the problem does not recur reconnect the removed devices one at a time until you find the failing FRU 7 If the problem remains replace the following FRUs one at a time do not replace a nondefective FRU a System board b LCD assembly Chapt...

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Page 51: ... status of the computer Table 7 Status indicators Indicator Meaning 1 Caps Lock indicator When this indicator is on you can type uppercase letters by directly pressing the letter keys 2 Camera status indicator When this indicator is on the camera is in use Copyright Lenovo 2016 2017 45 ...

Page 52: ...in hibernation mode Blinks slowly The computer is in sleep mode Blinks fast The computer is entering sleep or hibernation mode 4 ac power status indicator This indicator shows the ac power and charging status of the computer Green connected to ac power charging 90 100 Yellow connected to ac power charging 0 90 Off not connected to ac power no charging 46 E470 E470c and E475 Hardware Maintenance Ma...

Page 53: ...n the standard F1 F12 function and the special function printed as an icon on each key You can change the default function in the Keyboard Properties window Mute or unmute the speakers If you mute the sound and turn off your computer the sound will remain muted when you turn on your computer again To turn on the sound press F2 or F3 Decrease the speaker volume Increase the speaker volume Mute or u...

Page 54: ... 2 Click the input icon 3 Locate the KEYBOARD USER DEFINED KEY section and follow the instructions on the screen to complete the setting On this setting page you can also define different functions for the key combinations with F12 such as Shift F12 Alt F12 or Ctrl F12 Launch the calculator Put your computer into sleep mode Open the Snipping Tool program Fn 4 Puts your computer into sleep mode To ...

Page 55: ...helps you locate the controls connectors and indicators on your computer Front view 1 Microphones 2 Camera 3 Power button 4 Security lock slot 5 USB 2 0 connector 6 USB 3 0 connector 7 Audio connector 8 Media card slot 9 Fingerprint reader available on some models 10 Trackpad 11 TrackPoint buttons 12 TrackPoint pointing stick Copyright Lenovo 2016 2017 49 ...

Page 56: ...MI connector 8 Always On USB 3 0 connector 9 Speakers 1 Internal storage drive refers to the installed hard disk drive solid state drive or hybrid drive Rear view 1 Fan louvers Locating FRUs and CRUs This topic introduces the following service parts Major FRUs on page 52 LCD FRUs on page 54 50 E470 E470c and E475 Hardware Maintenance Manual ...

Page 57: ... Manuals and then follow the on screen instructions to find the manual for your product You might be required to return the defective part that is replaced by the CRU When return is required 1 return instructions a prepaid shipping label and a container will be included with the replacement CRU and 2 you might be charged for the replacement CRU if Lenovo does not receive the defective CRU within t...

Page 58: ...Major FRUs a b c e d 52 E470 E470c and E475 Hardware Maintenance Manual ...

Page 59: ... Yes 11 Bottom cover No Yes 12 Built in battery No No 13 Speaker assembly No No 14 Memory module No Yes 15 TrackPoint cap Yes No a Lenovo factory recovery USB key No No b Lenovo recovery disc set No No c Miscellaneous parts kits No No d Power cord Yes No e ac power adapter Yes No Available on some models Note The Lenovo factory recovery USB key a and the Lenovo recovery disc set b are used to rest...

Page 60: ...service CRU 1 LCD bezel assembly No No 2 LCD panel No No 3 LCD hinge assembly No No 4 Camera and microphone combo card No No 5 WLAN antenna assembly No No 6 LCD rear cover assembly No No 7 LCD ThinkPad logo combo cable No No 54 E470 E470c and E475 Hardware Maintenance Manual ...

Page 61: ...ct the ac power adapter 2 Ethernet connector external No Connect the computer to a local area network LAN with the Ethernet connector 3 HDMI connector external No Connect a compatible digital audio device or video monitor to this connector 4 USB 3 0 connector external No Connect USB compatible devices to this connector 5 Speaker assembly connector internal Speaker assembly cable The speaker assemb...

Page 62: ... module into this slot 16 Media card slot internal No Insert a flash media card into the media card slot for data access or storage 17 Wireless LAN card slot internal No Insert the wireless LAN card into this slot 18 Thermal fan connector internal Thermal fan assembly cable The thermal fan assembly comes with cable Connect the cable to this connector 19 Coin cell battery connector internal Coin ce...

Page 63: ...ect one end to the LCD connector on the system one end to the LCD connector on the LCD panel and the other end to this connector Hard disk drive connector and cable 1 Table 14 Hard disk drive It em Connector location Internal cable required Cable connection 1 Hard disk drive connector No The hard disk drive connector comes with the cable Connect the cable to the system board Keyboard bezel assembl...

Page 64: ...s and cables Table 16 Wireless LAN card It em Connector location Internal cable required Cable connection 1 Wireless LAN antenna connector internal Wireless LAN antenna kit Connect one end of the wireless LAN gray antenna to the A cover and the other end to this connector 2 Wireless LAN antenna connector internal Wireless LAN antenna kit Connect one end of the wireless LAN black antenna to the A c...

Page 65: ...e manual for your product You might be required to return the defective part that is replaced by the CRU When return is required 1 return instructions a prepaid shipping label and a container will be included with the replacement CRU and 2 you might be charged for the replacement CRU if Lenovo does not receive the defective CRU within thirty 30 days of your receipt of the replacement CRU See your ...

Page 66: ...f the system unit on the bottom of the computer try the following method to get the number Note Before you perform the operation ensure that the UEFI Legacy setting within the Startup menu in the ThinkPad Setup program is set to UEFI Only 1 Connect a USB memory key to the computer 2 Go to http www lenovo com maintenanceutilities and follow the instructions on the screen to create a Maintenance Key...

Page 67: ...system board perform the following steps to create a new UUID for the system board if the system board does not have a UUID Note Before you perform the operation ensure that the UEFI Legacy setting within the Startup menu in the ThinkPad Setup program is set to UEFI Only 1 Connect a USB memory key to the computer 2 Go to http www lenovo com maintenanceutilities and follow the instructions on the s...

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Page 69: ...full details General guidelines When removing or replacing a FRU be sure to observe the following general guidelines 1 Do not try to service any computer unless you have been trained and certified An untrained person runs the risk of damaging parts 2 Before replacing any FRU review Chapter 8 FRU replacement notices on page 59 3 Begin by removing any FRUs that have to be removed before replacing th...

Page 70: ... or by using an electrostatic discharge strap Before servicing the computer Carefully read this topic before servicing the computer Disconnect the battery Before replacing any FRU ensure that you have disconnected the battery by doing the following 1 Remove the screws 1 and then remove the bottom cover 2 2 Disconnect the battery 3 64 E470 E470c and E475 Hardware Maintenance Manual ...

Page 71: ...d 3 Black 0 294 Nm 3 0 kgf cm Applying labels to the bottom cover The new bottom cover FRU is shipped with a kit containing labels of several kinds Apply those labels when you replace the bottom cover For the labels that are not shipped with the new bottom cover peel them off from the old bottom cover and adhere them to the new one Chapter 9 Removing or replacing a FRU 65 ...

Page 72: ...se cover apply the serial number label 6 The following labels must be peeled off from the old base cover and then adhere to the new base cover 1 Genuine Microsoft label 3 KCC safety label 4 Product label CECP for China only 5 Indonesia POSTEL label 7 Rating and information label 8 GEO label 9 GEO label for China only 10 Argentina adapter label 11 Malaysian SLP label 12 ICASA system label 13 Brazil...

Page 73: ...ave the user make a backup copy of all the information on it if possible Never remove the drive while the system is operating or in suspend mode Removal steps of the storage drive Disconnect the cable 1 2 Remove the screw 3 Step Screw quantity Color Torque 3 M2 3 mm flat head nylon coated 1 Black 0 294 Nm 3 0 kgf cm Remove the storage drive by the cable 4 Chapter 9 Removing or replacing a FRU 67 ...

Page 74: ...RU 1010 Bottom cover on page 65 Removal steps of the memory module When installing Insert the notched end of the memory module into the memory slot Press the memory module in firmly and pivot it downward until it snaps into place Ensure that the memory module is firmly installed in the slot and does not move easily 68 E470 E470c and E475 Hardware Maintenance Manual ...

Page 75: ... 294 Nm 3 0 kgf cm When installing Plug the gray cable into the connector labeled MAIN on the card and plug the black cable into the connector labeled AUX on the card 1050 Coin cell battery For access remove this FRU 1010 Bottom cover on page 65 DANGER Use only the authorized battery specified for your computer Any other battery could ignite or explode Chapter 9 Removing or replacing a FRU 69 ...

Page 76: ...irmly 1060 Keyboard For access remove this FRU 1010 Bottom cover on page 65 Removal steps of the keyboard Remove the screws that secure the keyboard Step Screw quantity Color Torque 1 M2 4 5 mm flat head nylon coated 2 Sliver 0 294 Nm 3 0 kgf cm 70 E470 E470c and E475 Hardware Maintenance Manual ...

Page 77: ...ction as shown to unlatch the keyboard Pivot the keyboard slightly upward 3 until you can see the connectors on the bottom side of the keyboard Then turn over the keyboard as shown 4 Chapter 9 Removing or replacing a FRU 71 ...

Page 78: ...y pack FRU should not be replaced unless this diagnostic test shows that the battery is defective The only exception to this is if the battery pack is physically damaged or a customer is reporting a possible safety issue If the Lenovo Companion program is not installed on the computer the customer should download and install the program to diagnose the battery pack before getting a non physically ...

Page 79: ...board bezel assembly For access remove this FRU 1010 Bottom cover on page 65 1020 Internal storage drive on page 66 1030 Memory module on page 68 1040 Wireless LAN card on page 69 1050 Coin cell battery on page 69 1060 Keyboard on page 70 1070 Battery pack on page 72 Chapter 9 Removing or replacing a FRU 73 ...

Page 80: ...uantity Color Torque 1 M2 6 5 mm flat head nylon coated 6 Black 0 294 Nm 3 0 kgf cm 2 M2 4 5 mm flat head nylon coated 6 Silver 0 294 Nm 3 0 kgf cm 3 M2 3 mm flat head nylon coated 1 Black 0 294 Nm 3 0 kgf cm 74 E470 E470c and E475 Hardware Maintenance Manual ...

Page 81: ... cm 1090 Speaker assembly For access remove these FRUs in order 1010 Bottom cover on page 65 1020 Internal storage drive on page 66 1030 Memory module on page 68 1040 Wireless LAN card on page 69 1050 Coin cell battery on page 69 1060 Keyboard on page 70 Chapter 9 Removing or replacing a FRU 75 ...

Page 82: ...emoval steps of the speaker assembly Remove the speaker cables as shown Remove the screws that secure the speaker assembly Step Screw quantity Color Torque 2 M2 2 2 2 5 mm big head nylon coated 4 Black 0 294 Nm 3 0 kgf cm 76 E470 E470c and E475 Hardware Maintenance Manual ...

Page 83: ...areful not to drop the system board on a bench top that has a hard surface such as metal wood or composite Avoid rough handling of any kind At every point in the process be sure not to drop or stack the system board If you put a system board down be sure to put it only on a padded surface such as an ESD mat or a corrugated conductive material For access remove these FRUs in order 1010 Bottom cover...

Page 84: ...nd of rough handling ThinkPad E470 For models with a discrete thermal module a Microprocessor b Video Graphic card VGA For models with an integrated thermal module a Microprocessor ThinkPad E475 For models with a discrete thermal module a Accelerated Processing Unit APU b Video Graphic Array card VGA 78 E470 E470c and E475 Hardware Maintenance Manual ...

Page 85: ... models with an integrated thermal module a Accelerated Processing Unit APU Removal steps of the system board Disconnect the connectors attached to the system board Chapter 9 Removing or replacing a FRU 79 ...

Page 86: ...e the system board Step Screw quantity Color Torque 2 M2 4 5 mm flat head nylon coated 4 Silver 0 294 Nm 3 0 kgf cm Remove the system board together with the thermal fan assembly 80 E470 E470c and E475 Hardware Maintenance Manual ...

Page 87: ...ls when handling the thermal fan assembly Do not touch or hold any part of the thermal fan assembly with bare fingers Before you attach the thermal fan assembly to the computer apply thermal grease at an amount of 0 2 grams on the part marked a as shown in the following illustrations Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a compo...

Page 88: ... the following The cover of the thermal fan assembly is deformed or damaged There is abnormal noise during rotation When you install the system board Ensure that all the connectors are attached firmly to the system board 1120 Base cover assembly and LCD unit For access remove these FRUs in order 1010 Bottom cover on page 65 1020 Internal storage drive on page 66 1030 Memory module on page 68 1040 ...

Page 89: ... the base cover assembly Remove the screws in the alphabetical order as shown Step Screw quantity Color Torque 1 M2 5 4 0 mm flat head nylon coated 4 Silver 0 392 Nm 4 0 kgf cm Chapter 9 Removing or replacing a FRU 83 ...

Page 90: ... 1120 Base cover assembly and LCD unit on page 82 When installing Ensure that all the latches are attached firmly 2020 LCD panel For access remove these FRUs in order 1120 Base cover assembly and LCD unit on page 82 2010 LCD bezel assembly on page 84 84 E470 E470c and E475 Hardware Maintenance Manual ...

Page 91: ... 1 M2 3 mm flat head nylon coated 4 Black 0 294 Nm 3 0 kgf cm 2030 Hinge kit For access remove these FRUs in order 1120 Base cover assembly and LCD unit on page 82 2010 LCD bezel assembly on page 84 2020 LCD panel on page 84 Chapter 9 Removing or replacing a FRU 85 ...

Page 92: ...Removal steps of the short hinge kit Step Screw quantity Color Torque 1 M2 5 4 mm flat head nylon coated 6 Sliver 0 392 Nm 4 0 kgf cm 86 E470 E470c and E475 Hardware Maintenance Manual ...

Page 93: ... the long hinge kit Step Screw quantity Color Torque 1 M2 5 4 mm flat head nylon coated 6 Sliver 0 392 Nm 4 0 kgf cm 2 M2 3 mm flat head nylon coated 2 Black 0 294 Nm 3 0 kgf cm Chapter 9 Removing or replacing a FRU 87 ...

Page 94: ...ver assembly and LCD unit on page 82 2010 LCD bezel assembly on page 84 2020 LCD panel on page 84 2030 Hinge kit on page 85 Removal steps of the integrated camera and microphone combo card When installing Ensure that the connector is attached firmly 88 E470 E470c and E475 Hardware Maintenance Manual ...

Page 95: ... 2020 LCD panel on page 84 2030 Hinge kit on page 85 Removal step of the ThinkPad logo LED card 2060 Wireless LAN antennas assembly and LCD rear cover assembly For access remove these FRUs in order 1120 Base cover assembly and LCD unit on page 82 2010 LCD bezel assembly on page 84 2020 LCD panel on page 84 2030 Hinge kit on page 85 Chapter 9 Removing or replacing a FRU 89 ...

Page 96: ...Removal steps of the Wireless LAN antennas assembly and the LCD rear cover assembly Release the wireless LAN antennas assembly from the tabs as shown 90 E470 E470c and E475 Hardware Maintenance Manual ...

Page 97: ...ss LAN auxiliary antenna black Peel off the stickers on the wireless LAN antennas assembly from the LCD rear cover assembly Attention When you route the cables ensure that they are not subject to any tension Tension could cause the cables to be damaged by the cable guides or a wire to be broken Chapter 9 Removing or replacing a FRU 91 ...

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Page 99: ...publication Lenovo may make improvements and or changes in the product s and or the program s described in this publication at any time without notice The products described in this document are not intended for use in implantation or other life support applications where malfunction may result in injury or death to persons The information contained in this document does not affect or change Lenov...

Page 100: ... Bratislava Slovakia Trademarks The following terms are trademarks of Lenovo in the United States other countries or both Lenovo ThinkPad ThinkPad logo TrackPoint Microsoft Windows and Windows Server are trademarks of the Microsoft group of companies Other company product or service names may be the trademarks or service marks of others 94 E470 E470c and E475 Hardware Maintenance Manual ...

Page 101: ...IA Enhanced Asset Information Area ECA Engineering Change Announcements EEPROM Electrically Erasable Programmable Read Only Memory EFI Extensible Firmware Interface EPO Emergency power off ESD Electrostatic discharge EU European Union FCC Federal Communications Commission FRU Field Replaceable Unit GAV General Announce Variant GPU Graphics Processing Unit HDD Hard Disk Drive HDMI High definition m...

Page 102: ...ID Radio frequency identification RI Ring indicator RJ Registered jack SATA Serial Advanced Technology Attachment SIM Subscriber Identity Module SVP Supervisor password TFTs Thin film transistors UEFI Unified Extensible Firmware Interface USB Universal Serial Bus UUID Universally Unique Identifier VRAM Video Random Access Memory 96 E470 E470c and E475 Hardware Maintenance Manual ...

Page 103: ......

Page 104: ...Part Number SP40G76211_02 Printed in China 1P P N SP40G76211_02 1PSP40G76211_02 ...

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