Page 5 - Contents; iii
Contents Chapter 1. About this manual . . . . . . 1 Important Safety Information . . . . . . . . . . 1 Chapter 2. Safety information . . . . . . 3 General safety . . . . . . . . . . . . . . . . 3 Electrical safety . . . . . . . . . . . . . . . 3 Safety inspection guide . . . . . . . . . . . . 5 Hand...
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iv IdeaCentre B540–B540PHardware Maintenance Manual
Page 7 - Chapter 1. About this manual; Important Safety Information
Chapter 1. About this manual This manual contains service and reference information for IdeaCentre B540 & B540P computers listed onthe cover. It is intended only for trained servicers who are familiar with Lenovo computer products. Before servicing a Lenovo product, be sure to read the Safety In...
Page 9 - Chapter 2. Safety information; General safety
Chapter 2. Safety information This chapter contains the safety information that you need to be familiar with before servicing a computer. General safety Follow these rules to ensure general safety: • Observe good housekeeping in the area of the machines during and after maintenance. • When lifting a...
Page 12 - Grounding requirements; DANGER
• Avoid contact with other people while handling the part. • Wear a grounded wrist strap against your skin to eliminate static on your body. • Prevent the part from touching your clothing. Most clothing is insulative and retains a charge even when you are wearing a wrist strap. • Use the black side ...
Page 13 - • Throw or immerse into water
To Connect To Disconnect 1. Turn everything OFF. 2. First, attach all cables to devices. 3. Attach signal cables to connectors. 4. Attach power cords to outlet. 5. Turn device ON. 1. Turn everything OFF. 2. First, remove power cords from outlet. 3. Remove signal cables from connectors. 4. Remove all...
Page 15 - Chapter 3. General information; Specifications
Chapter 3. General information This chapter provides general information that applies to all machine types supported by this publication. Specifications This section lists the physical specifications for your computer. This section lists the physical specifications for your computer. Type IdeaCentre...
Page 17 - Chapter 4. General Checkout
Chapter 4. General Checkout Attention: The drives in the computer you are servicing might have been rearranged or the drive startup sequence changed. Be extremely careful during write operations such as copying, saving, or formatting.Data or programs can be overwritten if you select an incorrect dri...
Page 19 - Chapter 5. Using the Setup Utility; Starting the Lenovo BIOS Setup Utility program; Password considerations
Chapter 5. Using the Setup Utility The Setup Utility program is used to view and change the configuration settings of your computer, regardlessof which operating system you are using. However, the operating-system settings might override any similarsettings in the Setup Utility program. Starting the...
Page 21 - Enabling or disabling a device
To set a Power-On Password, 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 Power-On Password and press the Enter key. 3. The password dialog box will be displayed. Type the pass...
Page 22 - Selecting a startup device
USB Setup press the Enter key, and then select USB Functions . ATA Device Setup press the Enter key. Select Configure SATA as , press the Enter key and then select SATA mode. Audio Setup press the Enter key, and then select Onboard Audio Controller . Network Setup press the Enter key, then select On...
Page 23 - Exiting the Lenovo BIOS Setup Utility program
b. If you have changed these settings and want to return to the default settings, select Load Optimal Defaults from the menu. Exiting the Lenovo BIOS Setup Utility program After you finish viewing or changing settings, press the Esc key to return to the Lenovo BIOS Setup Utility program main menu. Y...
Page 25 - Hard disk drive boot error; Power Supply Problems
Chapter 6. Symptom-to-FRU Index The Symptom-to-FRU index lists error symptoms and possible causes. The most likely cause is listed first.Always begin with Chapter 4, “General Checkout,” on page 11. This index can also be used to help youdecide which FRUs to have available when servicing a computer. ...
Page 26 - POST error codes; Undetermined problems
POST error codes Each time you turn the computer on, it performs a series of tests to check that the system is operatingcorrectly and that certain options are set. This series of tests is called the Power-On Self-Test , or POST . POST does the following: • Checks some basic system-board operations •...
Page 27 - Chapter 7. Locating connectors, controls and components; Font view
Chapter 7. Locating connectors, controls and components This section provides illustrations to help locate the various connectors, controls and components of thecomputer. Font view The following illustration shows the location of controls and components on the front of the computer. Attention: Be ca...
Page 28 - Left and right view
Left and right view The following illustration shows the location of connectors, controls and components on the left and rightside of the computer. 1 2 3 4 5 6 7 8 1. Optical drive 5. Microphone port 2. TV buttons (selected models only) 6. USB connector 3. USB connector 7. Memory card reader 4. Head...
Page 29 - Rear view
Rear view The following illustration shows the location of connectors and components on the rear of the computer. 1 7 3 4 6 2 5 8 8 1. Ethernet port 5. AV-IN connectors (selected models only) 2. USB connectors 6. TV tuner ports (selected models only) 3. HDMI-OUT connector 7. Power connector 4. HDMI-...
Page 30 - Hardware components
Hardware components The following illustration shows the components that make up your computer. 1 2 1 5 6 7 8 9 3 4 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 9 1 8 2 0 2 1 2 2 2 3 2 4 2 5 2 6 1. Rear cover 14. Optical disk drive 2. Computer stand 15. Hardware TV Scale Board 3. Middle cover 16. WLAN card 4. ...
Page 31 - Identifying parts on the motherboard
Identifying parts on the motherboard The motherboard (sometimes called the planar or system board) is the main circuit board in your computer.It provides basic computing functions and supports a variety of devices that are factory-installed or thatyou can install later. The following illustration sh...
Page 32 - Identifying parts and connectors on the hardware TV scale board
Identifying parts and connectors on the hardware TV scale board The following illustration shows the locations of parts on the analog hardware TV board. 1 2 3 6 4 5 1. LVDS Connector 4. TV Function Connector 2. Converter Connector 5. Fan Connector 3. Mother Board Connector 6. Debug Port The followin...
Page 33 - Chapter 8. Replacing hardware; General information; Pre-disassembly instructions
Chapter 8. Replacing hardware Attention: Do not remove the computer cover or attempt any repair before reading the “Important safety information” in the Safety and Warranty Guide that was included with your computer. To obtain copies of the Safety and WarrantyGuide, go to the Support Web site at: ht...
Page 34 - Replacing the keyboard and mouse; To replace the keyboard and mouse; Replacing the power cord or power adapter; To replace the power cord and power adapter:
Replacing the keyboard and mouse Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. To replace the keyboard and mouse Step 1. Remove any media (disks, CDs, DVDs or memory cards) from the drives, shut down the operatingsystem, and turn off the comp...
Page 35 - Removing the computer cover; To remove the computer cover:
Step 3. Disconnect the failing power cord and adapter from the computer. Step 4. Connect the new power cord to the same connector as shown. Removing the computer cover Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to p...
Page 36 - Removing the computer stand; To remove the computer stand:
Step 1. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operatingsystem, 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, ...
Page 37 - Replacing a memory module
Step 1. Remove any media (disks, CDs, DVDs or memory cards) from the drives, shut down the operatingsystem, 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, i...
Page 38 - To replace a memory module; Replacing the hard disk drive; To replace the hard disk drive
Attention: It may be helpful to place the computer face-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 screenfrom scratches or other damage. To replace a memory module Step 1. Remove any media (disks, CDs, ...
Page 39 - Replacing the optical drive; To replace the optical drive
Step 5. Push then slide the hard disk drive and bracket upward and out of the chassis as shown. 1 2 1 2 Step 6. Push the pins and release the hard disk drive from the bracket. Step 7. Install the new hard disk drive as follows: a. Line up the new hard disk drive with the bracket and secure it with t...
Page 41 - Removing the middle cover; To remove the middle cover
Step 9. Separate the cover from the defective optical drive. Step 10. Install the new optical drive as follows: a. Align the new optical drive with the cover, and then push the cover back into position. b. Screw the metal bracket back onto the new optical drive. c. Slide the new optical drive into t...
Page 43 - Replacing the converter board; To replace the converter board:
Replacing the converter board Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to ...
Page 44 - Removing the EMI cover; To replace the EMI cover
Step 10. Lift up the converter board to remove it. 3 3 Step 11. To install the new converter board: a. Line up the new converter board with the mounting holes and pin, and then, secure converterboard with screw and pins. b. Connect the 2 cables to the new converter board. c. Secure the converter boa...
Page 45 - Replacing the camera; To replace the camera:
Step 6. Remove the optical drive. Refer to “Replacing the optical drive”. Step 7. Remove the middle cover. Refer to “Removing the middle cover”. Step 8. Remove the screws that secure the EMI cover to the chassis. Step 9. Lift up the EMI cover up to remove it. Step 10. To reinstall the EMI cover: a. ...
Page 46 - Replacing the Bluetooth module; To replace the Bluetooth module:
Step 8. Remove the 2 screws that secure the camera to the front bezel. Step 9. Disconnect the data cable from the camera. Step 10. To install the new camera: a. Connect the data cable to the new camera. b. Line up the new camera holes with the mounting holes on the front bezel and secure it with the...
Page 47 - Replacing the battery; To replace the battery
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 rear cover. Refer to “...
Page 48 - Replacing the system fan; To replace the system fan
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 rear cover. Refer to “...
Page 49 - Removing the power supply; To remove the power supply:
Step 8. Remove the EMI cover. Refer to “Removing the EMI cover”. Step 9. Remove the 4 screws that secure the system fan to the heat-sink and lift the system fan up toremove it. Step 10. Separate the defective fan from the good one as shown. Step 11. Reattach the EMI cover, middle cover, optical driv...
Page 50 - Replacing the heat-sink
Step 1. Remove any media (disks, CDs, or memory cards) from the drives, shut down the operatingsystem, 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/...
Page 52 - Replacing the CPU; To replace the CPU
Step 11. Remove the 8 screws that secure the heat-sink to the motherboard, and detach the cables attached to the heat-sink, then lift up the heat-sink to remove it. Step 12. To install the new heat-sink: a. Line up the new heat-sink with mounting holes on motherboard and secure it with the 8 screws....
Page 54 - Replacing the rear I/O module
Important: To avoid damaging the microprocessor contacts, keep the microprocessor completely level while installing it into the socket. Step 15. Lower the microprocessor straight down into its socket on the motherboard. Step 16. To secure the microprocessor in the socket, close the microprocessor re...
Page 55 - Replacing the Wi-Fi card
Step 10. Lift up the rear I/O module. Step 11. Disconnect the TV antenna cable from the rear I/O module by removing the 2 screws. Step 12. Remove the 2 screws that secure the rear I/O module to the metal bracket. 1 2 1 2 Step 13. Lift the rear I/O module up from connectors on the motherboard then sl...
Page 56 - Replacing the TV tuner card; To replace the TV tuner card
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 vario...
Page 57 - Replacing the speaker system; To replace the speaker system:
Step 6. Remove the optical drive. Refer to “Replacing the optical drive”. Step 7. Remove the middle cover. Refer to “Removing the middle cover”. Step 8. Remove the EMI cover. Refer to “Removing the EMI cover”. Step 9. Remove the screw that secures the TV-Tuner card to the motherboard. Step 10. Disco...
Page 58 - Replacing the touch control board; To replace the touch control board:
Step 10. Detach the speaker system from the rubber screws. Step 11. To install the new speaker system: a. Secure the new speaker system to the chassis with the rubber screws. b. Connect the new speaker cable to motherboard. Step 12. Reattach the EMI cover, middle cover, optical drive, computer stand...
Page 59 - Replacing the scalar board; To replace the scalar board
Step 11. Lift up the touch control board to remove it. 1 2 2 2 1 1 Step 12. To install the new touch control board: a. Line up the holes on the new touch control board with the mounting holes on the middle frameand secure it with the 2 screws. b. Connect all the cables to the new touch control board...
Page 60 - Replacing the motherboard; To replace the motherboard:
Step 11. Remove the 4 screws that secure the scalar board to the motherboard and chassis, then lift it up to remove it. 1 2 2 2 2 1 1 Step 12. To install the new scalar board: a. Line up the holes on the new scalar board with the mounting holes and secure it with 4 screws. b. Connect the cables to t...
Page 61 - Replacing the LED panel; To replace the LED panel:
Step 17. Remove the TV tuner card. Refer to “Replacing the TV tuner card”. Step 18. Remove all the cables connected to the motherboard. Step 19. Remove the 4 screws that secure the motherboard to the chassis and slide it out as shown. Step 20. To install the new motherboard: a. Line up the motherboa...
Page 64 - Replacing the power switch board; To replace the power switch board
Replacing the power switch board Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. To replace the power switch board Step 1. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operatingsystem, and turn off the computer...
Page 65 - FRU lists
Step 27. Disconnect the cable from the power switch board. Step 28. To install the new the power switch board: a. Connect the power switch cable to the power switch board. b. Insert the power switch board, snap it in position and secure it with the pins. c. Line up the chassis with the front bezel a...
Page 73 - Chapter 9. General information; Additional Service Information; Power management
Chapter 9. General information This chapter provides general information that applies to all machine types supported by this publication. Additional Service Information This chapter provides additional information that the service representative might find helpful. Power management Power management ...
