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Lenovo IdeaCentre B345 Hardware Maintenance Manual

Machine types: 10098/2567 [b345], 10100/4749 [b545].
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IdeaCentre B345–B545 All-In-One
Hardware Maintenance Manual
Machine Types: 10098/2567 [B345], 10100/4749 [B545]

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Table of Contents

   Summary of Contents for Lenovo IdeaCentre B345

  • Page 1 IdeaCentre B345–B545 All-In-One Hardware Maintenance Manual Machine Types: 10098/2567 [B345], 10100/4749 [B545]...
  • Page 3 IdeaCentre B345–B545 All-In-One Hardware Maintenance Manual Machine Types: 10098/2567 [B345], 10100/4749 [B545]...
  • Page 4 First Edition (September 2012)11th © Copyright Lenovo 2012. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software are delivered pursuant a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925...
  • Page 5: Table Of Contents

    Selecting a startup device ..Replacing the TV tuner card ..Exiting the Lenovo BIOS Setup Utility program . . Replacing the speaker system ..
  • Page 6 IdeaCentre B345–B545 All-In-OneHardware Maintenance Manual...
  • Page 7: Chapter 1. About This Manual

    This manual contains service and reference information for IdeaCentre B345-B545 All-In-One computers listed on the 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 Information.
  • Page 8 IdeaCentre B345–B545 All-In-OneHardware Maintenance Manual...
  • Page 9: Chapter 2. Safety Information

    Electrical current from power, telephone, and communication cables can be hazardous. To avoid personal injury or equipment damage, disconnect the attached power cords, telecommunication systems, networks, and modems before you open the computer covers, unless instructed otherwise in the installation and configuration procedures. © Copyright Lenovo 2012...
  • Page 10 – Blowers and fans – Motor generators and similar units. (This practice ensures correct grounding of the units.) • If an electrical accident occurs: – Use caution; do not become a victim yourself. – Switch off power. IdeaCentre B345–B545 All-In-OneHardware Maintenance Manual...
  • Page 11: Safety Inspection Guide

    – Send another person to get medical aid. Safety inspection guide The intent of this inspection guide is to assist you in identifying potentially unsafe conditions on these products. Each machine, as it was designed and built, had required safety items installed to protect users and service personnel from injury.
  • Page 12: Grounding Requirements

    • Connect and disconnect cables as described in the following table when installing, moving, or opening covers on this product or attached devices. IdeaCentre B345–B545 All-In-OneHardware Maintenance Manual...
  • Page 13 To Connect To Disconnect 1. Turn everything OFF. 1. Turn everything OFF. 2. First, attach all cables to devices. 2. First, remove power cords from outlet. 3. Attach signal cables to connectors. 3. Remove signal cables from connectors. 4. Attach power cords to outlet. 4.
  • Page 14 To remove all electrical current from the device, ensure that all power cords are disconnected from the power source. CAUTION: Do not place any object weighing more than 82 kg (180 lbs.) on top of rack-mounted devices. IdeaCentre B345–B545 All-In-OneHardware Maintenance Manual...
  • Page 15: 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 B345-B545 This section lists the physical specifications. Environment Air temperature: Operating: 10°...
  • Page 16 IdeaCentre B345–B545 All-In-OneHardware Maintenance Manual...
  • Page 17: Chapter 4. General Checkout

    • If the computer displays a POST error, go to “POST error codes”. • If the computer hangs and no error is displayed, continue at step 7. 7. If the test stops and you cannot continue, replace the last device tested. © Copyright Lenovo 2012...
  • Page 18 IdeaCentre B345–B545 All-In-OneHardware Maintenance Manual...
  • Page 19: Chapter 5. Using The Setup Utility

    1. If your computer is already on when you start this procedure, shut down the operating system and turn off the computer. 2. Press and hold the F1 key then turn on the computer. When the Lenovo BIOS Setup Utility program is displayed, release the F1 key.
  • Page 20 5. Select Save changes and Exit from the menu. Power-On Password When a Power-On Password is set, you cannot start the Lenovo BIOS Setup Utility program until a valid password is typed from the keyboard. Setting, changing, or deleting a Power-On Password Note: A password can be any combination of letters and numbers up to 16 character (a-z, and 0-9).
  • 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.
  • Page 22: Selecting A Startup Device

    Selecting or changing the startup device sequence To view or permanently change the configured startup device sequence, 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 Lenovo BIOS Setup Utility program main menu, select the Startup option.
  • Page 23: Exiting The Lenovo Bios Setup Utility Program

    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. You might have to press the Esc key several times. Do one of the following: •...
  • Page 24 IdeaCentre B345–B545 All-In-OneHardware Maintenance Manual...
  • Page 25: Chapter 6. Symptom-to-fru Index

    Check that the following are properly installed: Reseat connectors • Power Cord • On/Off Switch connector • System Board Power Supply connectors • Microprocessor(s) connection Check the power cord. Power Cord Check the power-on switch. Power-on Switch © Copyright Lenovo 2012...
  • Page 26: Post Error Codes

    3. Power-on the computer to re-test the system. 4. Repeat steps 1 through 3 until you find the failing device or component. If all devices and components have been removed and the problem continues, replace the system board. IdeaCentre B345–B545 All-In-OneHardware Maintenance Manual...
  • Page 27: Chapter 7. Locating Connectors, Controls And Components

    5. Bluetooth status indicator 12. Novo vision button 6. Wi-Fi status indicator 13. PC mode / HDMI-in / AV-in switch 7. TV indicator 14. Monitor On/Off Attention: The effective range of the Built-in IR Emitter is 10 feet (3m). © Copyright Lenovo 2012...
  • Page 28 The following illustration shows the location of connectors, controls and components on the left and right side of the computer. 5. Microphone port 1. Optical drive 2. TV buttons (selected models only) 6. USB connector 7. Memory card reader 3. USB connector 4. Headphone port 8. Power button IdeaCentre B345–B545 All-In-OneHardware Maintenance Manual...
  • Page 29 Rear view The following illustration shows the location of connectors and components on the rear of the computer. 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.
  • Page 30 21. System fans 9. Glass 22. Camera 10. Rear I/O module 23. Hardware TV tuner board 11. Power supply 24. Hardware TV switch board 12. Motherboard 25. Touch module 13. Hard disk drive 26. Bluetooth module IdeaCentre B345–B545 All-In-OneHardware Maintenance Manual...
  • Page 31 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 that you can install later. The following illustration shows the location of connectors and components on the front of the motherboard.
  • Page 32 The following illustration shows the locations of parts on the digital hardware TV board. (DVB-T type) 1. LVDS Connector 5. Tuner Board Connector 2. Converter Connector 6. Fan Connector 3. TV Function Connector 7. Debug Port 4. Mother Board Connector IdeaCentre B345–B545 All-In-OneHardware Maintenance Manual...
  • Page 33: 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 Warranty Guide, go to the Support Web site at: http://consumersupport.lenovo.com. Note: Use only parts provided by Lenovo.
  • Page 34: Replacing The Keyboard And Mouse

    Remove any media (diskettes, CDs, DVDs, or memory cards) from the drives, shut down your operating system, and turn off all attached devices and the computer. Step 2. Locate the connector for the power cord. Refer to “Rear view”. IdeaCentre B345–B545 All-In-OneHardware Maintenance Manual...
  • Page 35: 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 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 screen from scratches or other damage.
  • Page 36: Removing The Computer Stand

    Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: For this procedure, it helps to place the computer face-down on a soft flat surface. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the screen surface from scratches or other damage.
  • Page 37: Replacing A Memory 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 computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer.
  • Page 38: Replacing 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 screen from scratches or other damage.
  • Page 39: Replacing The Optical Drive

    Step 5. Push then slide the hard disk drive and bracket upward and out of the chassis as shown. Step 6. Push the pins and release the hard disk drive from the bracket. Step 7. Install the new hard disk drive as follows: Line up the new hard disk drive with the bracket and secure it with the pins.
  • Page 40 Remove the two screws that secure the optical drive to the metal bracket. Step 8. Use a small flat head screwdriver to press and push out the pins that secure the cover to the disk. IdeaCentre B345–B545 All-In-OneHardware Maintenance Manual...
  • Page 41: Removing The Middle Cover

    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 protect the computer screen from scratches or other damage.
  • Page 42 Step 7. Remove the eight screws that secure the middle cover to the chassis. Step 8. Push up the middle cover upward with two hands to remove it from pins. IdeaCentre B345–B545 All-In-OneHardware Maintenance Manual...
  • Page 43: 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 protect the computer screen from scratches or other damage.
  • Page 44 Step 8. Push the pins to release the converter. Step 9. Disconnect the two cables from the converter board. Step 10. Lift up the converter board to remove it. IdeaCentre B345–B545 All-In-OneHardware Maintenance Manual...
  • Page 45: Removing The Emi Cover

    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 protect the computer screen from scratches or other damage.
  • Page 46: Replacing The Camera

    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 protect the computer screen from scratches or other damage.
  • Page 47: Replacing The Bluetooth Module

    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 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 screen from scratches or other damage.
  • Page 48: Replacing The Battery

    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 protect the computer screen from scratches or other damage.
  • Page 49: Replacing The System Fan

    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 protect the computer screen from scratches or other damage.
  • Page 50: Removing The Power Supply

    Step 12. Reattach the EMI cover, middle cover, optical drive, computer stand and the rear cover. Removing the power supply Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. IdeaCentre B345–B545 All-In-OneHardware Maintenance Manual...
  • Page 51: Replacing The Heat-sink

    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 protect the computer screen from scratches or other damage.
  • Page 52 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 protect the computer screen from scratches or other damage.
  • Page 53: Replacing The Cpu

    Replacing the CPU Note: Turn off the computer 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.
  • Page 54 Step 14. 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 microprocessor contacts, keep the microprocessor completely level while installing it into the socket. IdeaCentre B345–B545 All-In-OneHardware Maintenance Manual...
  • Page 55: Replacing The Rear I/o Module

    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 protect the computer screen from scratches or other damage.
  • Page 56: Replacing The Wi-fi Card

    Step 15. Reattach the EMI cover, middle cover, optical drive, computer stand and the rear cover. Replacing the Wi-Fi card Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. To replace the Wi-Fi card: IdeaCentre B345–B545 All-In-OneHardware Maintenance Manual...
  • Page 57: Replacing The Tv Tuner 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 connected to the computer.
  • Page 58: Replacing 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”. IdeaCentre B345–B545 All-In-OneHardware Maintenance Manual...
  • Page 59: Replacing The Touch Control Board

    Step 9. Disconnect the speaker cable from the connectors on motherboard. Step 10. Detach the speaker system from the rubber screws as shown. Step 11. To install the new speaker system: Secure the new speaker system to the chassis with the rubber screws. Connect the new speaker cable to motherboard.
  • Page 60: Replacing The Scalar Board

    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 rear I/O module. Refer to “Replacing the rear I/O module”. IdeaCentre B345–B545 All-In-OneHardware Maintenance Manual...
  • Page 61: Replacing The Motherboard

    Step 10. Disconnect the three cables from the scalar board. Step 11. Remove the five screws that secure the scalar board to the motherboard and chassis, then lift it up to remove it. Step 12. To install the new scalar board: Line up the holes on the new scalar board with the mounting holes and secure it with five screws.
  • Page 62: Replacing The Led Panel

    Step 21. Reattach the EMI cover, middle cover, optical drive, computer stand and the rear cover. Replacing the LED panel Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. IdeaCentre B345–B545 All-In-OneHardware Maintenance Manual...
  • Page 63 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 protect the computer screen from scratches or other damage.
  • Page 64 Step 19. Remove the four screws secure the chassis to the LED panel bracket. Step 20. Lift up the chassis gently as shown. Step 21. Remove the converter cable from the connector on the LED panel. IdeaCentre B345–B545 All-In-OneHardware Maintenance Manual...
  • Page 65 Step 22. Push the pins that secure the power switch board to the front bezel, and then lift out the power switch board as shown. Step 23. To install the new the LED panel: Install the power switch board to the new front bezel. Connect the converter cable to the connector on the new LED panel, and attach the converter cable to the LED panel properly using double faced adhesive tape.
  • Page 66: Replacing The Power Switch Board

    Remove the EMI cover. Refer to “Removing the EMI cover”. Step 10. Remove the camera. Refer to “Replacing the camera”. Step 11. Remove the Bluetooth module. Refer to “Replacing the Bluetooth module”. Step 12. Detach the Wi-Fi antenna cables from the front bezel. IdeaCentre B345–B545 All-In-OneHardware Maintenance Manual...
  • Page 67 Step 13. Disconnect the LVDS cable from the connector on the LED panel. Step 14. Disconnect the converter cable from the connector on the converter. Step 15. Disconnect the front function board cable from the connector on the motherboard. Step 16. Disconnect the front indicator board cable from the connector on the motherboard. Step 17.
  • Page 68 Secure the new LED panel to the chassis with four screws. Secure the chassis to the front bezel with the eight screws. Reinstall the camera and the Bluetooth module. Step 24. Reattach the EMI cover, middle cover, optical drive, computer stand and the rear cover. IdeaCentre B345–B545 All-In-OneHardware Maintenance Manual...
  • Page 69: Chapter 9. General Information

    • Wake Up on Alarm: You can specify a date and time at which the computer will be turned on automatically. This can be either a single event , a daily event or a weekly event. • Wake Up on LAN: This feature allows LAN adapter card to wake the System. © Copyright Lenovo 2012...

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