Lenovo IdeaCentre A720, Hardware Maintenance Manual

Page 1: ...IdeaCentre A720 Hardware Maintenance Manual ideaideaideaCentreidea ...

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Page 5: ...Chapter 8 Replacing hardware 29 General information 29 Replacing the keyboard and mouse 30 Replacing the power cord or power adapter 30 Removing the base cover 31 Replacing the hard disk drive 32 Replacing a memory module 34 Replacing the system fan 34 Replacing the heat sink 35 Replacing the CPU 36 Replacing the optical drive 38 Replacing the solid state disk 40 Replacing the optical drive eject ...

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Page 7: ...and DANGER sections in this manual before following any of the instructions Veuillez lire toutes les consignes de type DANGER et ATTENTION du présent document avant d exécuter les instructions Lesen Sie unbedingt alle Hinweise vom Typ ACHTUNG oder VORSICHT in dieser Dokumentation bevor Sie irgendwelche Vorgänge durchführen Leggere le istruzioni introdotte da ATTENZIONE e PERICOLO presenti nel manu...

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Page 9: ... from areas that people may walk through to ensure no one trips over it Do not wear loose clothing that can be trapped in the moving parts of a machine Ensure that your sleeves are fastened or rolled up above your elbows If your hair is long tie or fasten it back Insert the ends of your necktie or scarf inside clothing or fasten it with a nonconductive clip approximately 8 centimeters 3 inches fro...

Page 10: ...ere must be a complete circuit to cause electrical shock By observing the above rule you may prevent a current from passing through your body When using a tester set the controls correctly and use the approved probe leads and accessories for that tester Stand on suitable rubber mats obtained locally if necessary to insulate you from grounds such as metal floor strips and machine frames Observe the...

Page 11: ...connect the power cord 3 Check the power cord for a A third wire ground connector in good condition Use a meter to measure third wire ground continuity for 0 1 ohm or less between the external ground pin and frame ground b The power cord should be the appropriate type as specified in the parts listings c Insulation must not be frayed or worn 4 Remove the cover 5 Check for any obvious alterations U...

Page 12: ...ectrical 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 The CAUTION and DANGER safety notices in this section are provided in the the language of English DANGER Electrical current from power telephone and communication cables is hazardous To avoid a shock hazar...

Page 13: ...row into or immerse in water Heat to more than 100 C 212 F Repair or disassemble Dispose of the battery as required by local ordinances or regulations CAUTION When laser products such as CD ROMs DVD ROM drives fiber optic devices or transmitters are installed note the following Do not remove the covers Removing the covers of the laser product could result in exposure to hazardous laser radiation T...

Page 14: ...do not turn off the electrical current supplied to the device The device also might have more than one power cord To remove all electrical current from the device ensure that all power cords are disconnected from the power source 1 2 CAUTION Do not place any object weighing more than 82 kg 180 lbs on top of rack mounted devices 8 IdeaCentre A720Hardware Maintenance Manual ...

Page 15: ...ons for your computer This section lists the physical specifications for your computer Type IdeaCentre A720 This section lists the physical specifications Environment Air temperature Operating 10 to 35 C Transit 20 to 55 C Humidity Operating 35 to 80 Transit 20 to 90 40 C Altitude 86KPa to 106KPa Electrical input Input voltage 90V 264V AC Input frequency 47Hz 63Hz Copyright Lenovo 2012 9 ...

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Page 17: ...cedure to help determine the cause of the problem 1 Power off the computer and all external devices 2 Check all cables and power cords 3 Set all display controls to the middle position 4 Power on all external devices 5 Power on the computer Look for displayed error codes Look for readable instructions or a main menu on the display If you did not receive the correct response proceed to step 6 If yo...

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Page 19: ...ee Starting the Setup Utility program You must use the keyboard when using the Lenovo BIOS Setup Utility menu The keys used to perform various tasks are displayed on the bottom of each screen Using passwords You can use the Lenovo BIOS Setup Utility program to set passwords to prevent unauthorized persons from gaining access to your computer and data See Starting the Setup Utility program The foll...

Page 20: ...rd do the following 1 Start the Lenovo BIOS Setup Utility program see Starting the Lenovo BIOS Setup Utility program on page 13 2 From the Security menu select Set Administrator Password and press the Enter key 3 The password dialog box will be displayed Type the current password then press the Enter key 4 Type the new password then press the Enter key Re type the password to confirm the new passw...

Page 21: ...n Password leave each new password line item blank then press Enter A Setup Notice confirming that changes have been saved will be displayed 4 Return to the Lenovo BIOS Setup Utility program menu and select the Exit option 5 Select Save changes and Exit from the menu Enabling or disabling a device The Devices options is used to enable or disable user access to the following devices USB Functions S...

Page 22: ...he computer When the Startup Device Menu appears release the F12 key Note If the Startup Device Menu does not display using these steps repeatedly press and release the F12 key rather than keeping it pressed when turning on the computer 3 Use and arrows to select the desired startup device from the Startup Device Menu and press the Enter key to begin Note Selecting a startup device from the Startu...

Page 23: ... program main menu You might have to press the Esc key several times Do one of the following If you want to save the new settings select Save changes and Exit from the menu When the Save reset window shows select the Yes button and then press the Enter key to exit the Lenovo BIOS Setup Utility program If you do not want to save the settings select Discard changes and Exit from the menu When the Re...

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Page 25: ...d disk drive boot error A hard disk drive boot error can be caused by the following Error FRU Action The startup drive is not included in the boot sequence configuration Check the configuration and ensure the startup drive is in the boot sequence No operating system is installed on the boot drive Install an operating system on the boot drive The boot sector on the startup drive is corrupted The dr...

Page 26: ... Startup and set the option to Enabled The BIOS then ignores the missing keyboard during POST Reboot and Select proper Boot device or Insert Boot Media in selected Boot device The BIOS was unable to find a suitable boot device Make sure the boot drive is properly connected to the computer Make sure you have bootable media in the boot device Undetermined problems 1 Power off the computer 2 Remove o...

Page 27: ...r Attention Be careful not to block any air vents on the computer Blocked air vents can cause overheating 1 2 3 7 6 5 4 8 9 10 11 12 13 14 15 1 Built in microphone 9 Monitor On Off 2 Built in camera 10 PC mode HDMI in AV in switch 3 Power indicator 11 Novo Vision button 4 Hard disk drive indicator 12 Volume down 5 Bluetooth status indicator 13 Volume up 6 WIFI status indicator 14 Brightness down 7...

Page 28: ...2 3 4 6 8 5 9 10 7 1 1 Air vents 6 Optical drive 2 USB 3 0 connector 7 B CAS card slot Japan models only 3 HDMI in connector selected models only 8 Memory card reader 4 HDMI out connector 9 Power button 5 Eject button 10 Anti scratch protector Attention Do not insert 3 inch discs into the optical drive 22 IdeaCentre A720Hardware Maintenance Manual ...

Page 29: ...e rear of the computer 1 2 3 8 7 6 4 5 1 TV tuner connector selected models only 5 USB 2 0 connectors 2 2 Headphone connector 6 Power connector 3 Microphone connector 7 Ethernet connector RJ45 4 USB 3 0 connector 8 Security cable slot Chapter 7 Locating connectors controls and components 23 ...

Page 30: ...bracket 19 Front function board 4 Hard disk drive 20 Battery 5 Hard disk drive rubbers 21 Solid state disk 6 CPU 22 TV tuner card 7 Base cover 23 Glass 8 Optical drive 24 Panel frame 9 Optical drive bracket 25 LED panel 10 Motherboard 26 Middle frame 11 Chassis 27 Rear cover 12 Speakers 28 Rear cover deco 13 Hinge 29 Touch control board 14 Optical drive eject board 30 Converter 15 Camera 31 Heat s...

Page 31: ...motherboard 1 HDMI out connector 12 TV jack 2 Japan only 2 HDMI in connector 13 Card reader 3 USB 3 0 connector 14 Microphone connector 4 Ethernet connector RJ45 15 Headphone connector 5 Power connector 16 Optical drive eject button connector 6 System fan connector 17 Speaker connector 7 Scalar cable connector 18 Optical drive connector 8 Scalar cable connector 19 Solid state disk connector 9 USB ...

Page 32: ...The following illustration shows the location of connectors and components on the back of the motherboard 23 TV Tuner card connector 24 Battery 26 IdeaCentre A720Hardware Maintenance Manual ...

Page 33: ...on shows the components and controls on the back of LED panel 1 2 3 4 5 6 7 8 1 Bluetooth module 5 Front function board 2 WLAN card 6 Converter board 3 Camera 7 Scalar board 4 Touch control board 8 Power switch board Chapter 7 Locating connectors controls and components 27 ...

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Page 35: ...he Safety and Warranty Guide go to the Support Web site at http consumersupport lenovo com Note Use only parts provided by Lenovo General information Pre disassembly instructions Before starting the disassembly procedure make sure that you do the following 1 Turn off the power to the system and all peripherals 2 Unplug all power and signal cables from the computer 3 Place the system on a flat stab...

Page 36: ...to Left and right view and Rear view for help with locating the various connectors Note Your keyboard will be connected to a USB connector on one side or at the rear of the computer Step 4 Disconnect the defective keyboard cable from the computer and connect the new keyboard cable to the same connector Note The mouse can be replaced using the same method Replacing the power cord or power adapter A...

Page 37: ...rotect the computer screen from scratches or other damage To remove the base cover Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This includes power cords input output I O cables and an...

Page 38: ...ol down before removing the cover To replace the hard disk drive Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This includes power cords input output I O cables and any other cables tha...

Page 39: ...e 2 1 1 2 Step 7 Slide the hard disk drive and rubber out of the bay as shown Step 8 Detach the rubbers from the hard disk drive as shown Step 9 Install the new hard disk drive as follows a Attach the rubbers to the new hard disk drive b Line up the new hard disk drive and slide it back into the hard disk drive bay Chapter 8 Replacing hardware 33 ...

Page 40: ...p 5 Push out the latches on both sides of the memory socket to release the memory module Gently pull the memory module upward to remove it from its socket Step 6 Align the new memory module with the memory socket then insert it and push down on the top edge Make sure the latches lock the memory module in place Step 7 Reattach the base cover and secure it with the screws Replacing the system fan No...

Page 41: ... heat sink Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This includes power cords input output I O cables and any other cables that are connected to the computer Refer to Left and righ...

Page 42: ...mputer and wait 3 to 5 minutes to let it cool down before removing the cover To replace the CPU Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This includes power cords input output I O ...

Page 43: ...s possible Step 9 Holding the sides of the microprocessor with your fingers remove the protective cover 1 that protects the gold contacts on the new microprocessor 2 Step 10 Holding the sides of the microprocessor with your fingers position the microprocessor so that the notches on the microprocessor are aligned with the tabs in the microprocessor socket Important To avoid damaging the microproces...

Page 44: ...er and wait 3 to 5 minutes to let it cool down before removing the cover To replace the optical drive Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This includes power cords input outpu...

Page 45: ...all the new optical drive as follows a Connect the data cable to the new optical drive b Align the new optical drive with the bracket push it into position and secure it with the 5 screws c Line up the optical drive bracket holes with the mounting holes in the motherboard and secure it with the 3 screws d Connect the data cable to the motherboard Step 9 Reattach the base cover and secure it with t...

Page 46: ...tate disk a Insert the notched end of the new solid state disk into the card port on the motherboard b Secure the new solid state disk to the motherboard using the 2 screws Step 8 Reattach the base cover and secure it with the screws Replacing the optical drive eject board Note Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover To replace the optical drive ...

Page 47: ... the computer This includes power cords input output I O cables and any other cables that are connected to the computer Refer to Left and right view and Rear view for help with locating the various connectors Step 4 Remove the base cover Refer to Removing the base cover Step 5 Remove the hard disk drive Refer to Replacing the hard disk drive Step 6 Remove a memory module Refer to Replacing a memor...

Page 48: ...slide it out as shown Step 15 Remove the 2 screws that secure the TV Tuner card to the motherboard Step 16 Disconnect the antenna cable s from the TV Tuner card Step 17 Pull the TV Tuner card upward to remove it from the card port 42 IdeaCentre A720Hardware Maintenance Manual ...

Page 49: ...ing the speaker system Note Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover To replace the speaker system Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to th...

Page 50: ...to position Align the holes on the motherboard with the mounting holes on the chassis and secure it to the chassis with the 8 screws c Line up the new speaker system with the motherboard and secure it with the 4 screws d Connect the new speaker cable to the motherboard Step 14 Reattach the optical drive heat sink and hard disk drive to the motherboard Step 15 Reattach the hinge to the chassis and ...

Page 51: ...ht view and Rear view for help with locating the various connectors Step 4 Remove the base cover Refer to Removing the base cover Step 5 Remove the hard disk drive Refer to Replacing the hard disk drive Step 6 Remove the heat sink Refer to Replacing the heat sink Step 7 Remove the optical drive Refer to Replacing the optical drive Step 8 Remove the hinge from the chassis Refer to Removing the hing...

Page 52: ...ng the battery Note Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover To replace the battery Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This...

Page 53: ...es on the motherboard with the mounting holes on the chassis and secure it to the chassis with the screws Step 14 Reattach the optical drive heat sink and hard disk drive to the motherboard Step 15 Reattach the hinge to the chassis and reconnect the touch and LED panel cables to the motherboard Step 16 Reconnect all the cables back to the motherboard Step 17 Reattach the base cover and secure it w...

Page 54: ...ear view for help with locating the various connectors Step 4 Remove the base cover Refer to Removing the base cover Step 5 Disconnect the touch and LED panel cables from the connectors on the motherboard Step 6 Remove the 6 screws that secure the hinge to the chassis 1 then raise the hinge to remove it from the chassis 2 1 2 Step 7 To reattach the hinge to the chassis a Line up the hinge with the...

Page 55: ...vices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This includes power cords input output I O cables and any other cables that are connected to the computer Refer to Left and right view and Rear view for help with locating the various connectors Step 4 Remove the base cover Refer to Removing the base cover Step 5 Remove the hinge from ...

Page 56: ... back to the motherboard Step 12 Reattach the base cover and secure it with the screws Replacing the scalar board Note Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover To replace the scalar board Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 U...

Page 57: ...s from the scalar board Step 10 Remove the 5 screws that secure the scalar board to the middle frame and lift it up to remove it WLAN Camera Converter Touch control Scalar HDMI DVI LED CIR LVDS MMB Power Bluetooth Step 11 To install the new scalar board Chapter 8 Replacing hardware 51 ...

Page 58: ...ives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This includes power cords input output I O cables and any other cables that are connected to the computer Refer to Left and right view and Rear view for help with locating the various connectors Step 4 Rem...

Page 59: ...es shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This includes power cords input output I O cables and any other cables that are connected to the computer Refer to Left and right view and Rear view for help with locating the various connectors Step 4 Remov...

Page 60: ...switch board Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This includes power cords input output I O cables and any other cables that are connected to the computer Refer to Left and ri...

Page 61: ...h module Attention Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover To replace the Bluetooth module Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the compu...

Page 62: ...before removing the cover To replace the WLAN card Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This includes power cords input output I O cables and any other cables that are connecte...

Page 63: ...re removing the cover To replace the camera Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This includes power cords input output I O cables and any other cables that are connected to th...

Page 64: ...tep 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This includes power cords input output I O cables and any other cables that are connected to the computer Refer to Left and right view and R...

Page 65: ...ace down on a soft flat surface for this procedure Lenovo recommends that you use a blanket towel or other soft cloth to protect the computer screen from scratches or other damage To replace the LED panel Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electri...

Page 66: ...e power switch board Step 11 Remove the Bluetooth module Refer to Replacing the Bluetooth module Step 12 Remove the WLAN card Refer to Replacing the WLAN card Step 13 Remove the WLAN antenna cable from the front bezel Step 14 Remove the camera Refer to Replacing the camera Step 15 Remove the front function board Refer to Replacing the front function board Step 16 Remove all the cables attached to ...

Page 67: ... LED panel Step 19 Reattach the rear cover to the LED panel Step 20 Reattach the hinge to the chassis and reconnect the touch and LED panel cables to the motherboard Step 21 Reattach the base cover and secure it with the screws FRU lists This chapter lists the information on the field replaceable units FRUs Attention Be sure to read and understand all the safety information before replacing any FR...

Page 68: ...C1 HM76 Chipset 1100364 N CPU Intel I3 3110M 2 4G L1 3M 2cPGA Processor 102500303 N Intel I5 3210M 2 5G L1 3M 2cPGA Processor 102500301 N Intel I5 3320M 2 6G L1 3M 2cPGA Processor 102500299 N Intel I5 3360M 2 8G L1 3M 2cPGA Processor 102500297 N Intel I7 3820QM 2 7G E1 6M 4cPGA Processor 102500304 N Intel I7 3720QM 2 6G E1 6M 4cPGA Processor 102500306 N Intel I7 3612QM 2 1G E1 6M 4cPGA Processor 1...

Page 69: ...750 HDD 16200088 N WD WD10JPVT 24A1YT0 5400PRM 9 5mm 1T HDD 16200071 N A720 HDD Cable 90200731 N 4 A720 HDD Bracket 90200753 N Solid state disk Samsung MZMPA064HMDR 64G mSATA SSD 16 005084 N 21 Samsung PM830 16200109 N Optical disk drive HLDS CA30N BD Combo LH BE 25 200325 N PLDS DL 4ETS 12 7mm Slim SATA Slot load BD Combo 25008493 N PLDS DC 6E2SH BD Combo LH BE 25 200326 N SONY Optiarc AD 7800 Sl...

Page 70: ...ard R 11012147 N AverMedia H339 ISDB T Mini TV Card 11012854 N DMB T HK Hybrid MC163M 11 011447 N YUAN MC182A Analog mini TV Card 11012280 N A720 TV Tunner Cable For NTSL 90201142 N 22 A720 TV Tunner Cable For PAL 90201143 N Remote control Philips Win7 IR 43KeyController R 888010661 1 Philips Win7 IR Reveiver R 888010662 1 Bluetooth module Fcn BCM92070 BT2 1 EDR Flash DT Card 11200978 N USI BCM920...

Page 71: ... 2 LiteonSK 8861 EN FR S SilkKB Silver WW 90200549 2 Liteon SK 8861 US S Silk KB Silver WW 90200550 2 Liteon SK 8861 PT S Silk KB Silver WW 90200551 2 Liteon SK 8861 FR S Silk KB Silver WW 90200552 2 Liteon SK 8861 ES S Silk KB Silver WW 90200553 2 Liteon SK 8861 JP S Silk KB Silver WW 90200554 2 Liteon SK 8861 US IN S SilkKB Silver WW 90200555 2 Liteon SK 8861 SA S Silk KB Silver WW 90200556 2 Li...

Page 72: ...r Cable 31035332 1 Volex 1 0m C5 Europe Power Cable 31049497 1 Luxshare 1 0m C5 Europe Power Cable 31049518 1 longwell Black Single end 1 0m India Power Cable 31035395 1 Longwell Black Single end 1 0m Italy C5 Power Cable 31039104 1 Volex 1 0m C5 ItalyPower Cable 31049504 1 Longwell Black Single end 1 0m Brazil Power Cable 31035828 1 Volex 1 0m C5 BrazilPower Cable 31049505 1 Longwell Black Single...

Page 73: ...se Cover W O BCAS W O TV W HDMI 90200747 N 18 A720 Power Board 90000214 N 19 A720 LED Function Board 90000216 N 2 A720 Scalar Board 90000218 N A720 PANEL BACK LIGHT CABLE 90200734 N A720 Power Switch Cable 90200735 N A720 LVDS Cable 90200736 N A720 LED Function Board Cable 90200738 N A720 MMB Cable 90200742 N 27 A720 Back Cover 90200751 N 28 A720 Rear Deco 90200754 N A720 Scalar EMI Shielding 9020...

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Page 75: ... As this computer has an ACPI BIOS system the operating system is allowed to control the power management features of the computer and the settings for Advanced Power Management APM BIOS mode is ignored Not all operating systems support ACPI BIOS mode Automatic Power On features The Automatic Power On features within the Power Management menu allow you to enable and disable features that turn on t...