Lenovo IdeaCentre B520e Hardware Maintenance Manual
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Lenovo IdeaCentre B520e Hardware Maintenance Manual

Lenovo IdeaCentre B520e Hardware Maintenance Manual

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IdeaCentre B520e
Hardware Maintenance Manual
Machine Types: 10088/3111

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Summary of Contents for Lenovo IdeaCentre B520e

  • Page 1 IdeaCentre B520e Hardware Maintenance Manual Machine Types: 10088/3111...
  • Page 3 IdeaCentre B520e Hardware Maintenance Manual Machine Types: 10088/3111...

  • Page 5: Table Of Contents

    Information ....55 Undetermined problems ... Chapter 7. Locations ..19 © Copyright Lenovo 2011...
  • Page 6 IdeaCentre B520e Hardware Maintenance Manual...

  • Page 7: Chapter 1. About This Manual

    Chapter 1. About this manual This manual contains service and reference information for IdeaCentre B520e 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 B520e Hardware 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 2011...
  • 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 B520e Hardware 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 B520e Hardware 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 B520e Hardware 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 B520e This section lists the physical specifications. Environment Air temperature: Operating: 10°...
  • Page 16 IdeaCentre B520e Hardware Maintenance Manual...

  • Page 17: Chapter 4. General Checkout

    Service Support and Engineering functions. • Machine type and model • Processor or hard disk upgrades • Failure symptom Do diagnostics indicate a failure? What, when, where, single, or multiple systems? Is the failure repeatable? Has this configuration ever worked? © Copyright Lenovo 2011...
  • Page 18 6. Have the same configuration options set in the system 7. Have the same setup for the operation system control files Comparing the configuration and software set-up between “working and non-working” systems will often lead to problem resolution. IdeaCentre B520e Hardware Maintenance Manual...

  • Page 19: Chapter 5. Using The Setup Utility

    • Must have at least seven characters in length • Contain at least one alphabetic character and one numeric character • Setup Utility program and hard disk drive passwords are not case sensitive • Not be your name or your user name © Copyright Lenovo 2011...
  • Page 20 3. The password dialog box will be displayed. Type the new password, and press Enter. 4. When prompted to confirm the password, type the password again. If you type the password correctly, the password will be installed. IdeaCentre B520e Hardware Maintenance Manual...

  • Page 21: Using Device

    To delete a previously set Power-On Password, do the following : 1. From the Security menu, select Set Power-On Password and press Enter. 2. The password dialog box will be displayed. Enter Current Password and press Enter. Press Enter in New Password and confirm New Password dialog.

  • Page 22: Exiting From The Setup Utility Program

    When you finish viewing or changing settings, press Esc to return to the Setup Utility program menu (you might have to press Esc several times). If you want to save the new settings, select Save changes and Exit before you exit. Otherwise, your changes will not be saved. IdeaCentre B520e Hardware Maintenance Manual...

  • Page 23: Chapter 6. Symptom-To-Fru Index

    Each time you power-on the system, it performs a series of tests that check the operation of the system and some options. This series of tests is called the Power-On Self-Test, or POST. POST does the following operations. • Checks some basic system-board operations © Copyright Lenovo 2011...

  • Page 24: Undetermined Problems

    3. Power-on the computer to re-test the system. 4. Repeat steps 1 through 3 until you find the failing device or adapter. If all devices and adapters have been removed, and the problem continues, replace the system board. IdeaCentre B520e Hardware Maintenance Manual...

  • Page 25: Chapter 7. Locations

    Note: The quality of video output will be affected accordingly due to the restriction of the actual bandwidth used by users and the limitation of data transmission speed of the video communication software. Note: The effective range of the Built-in IR emitter is 10 feet. © Copyright Lenovo 2011...
  • Page 26 Bluetooth module) 2. Ethernet port 7. AV-IN ports (Selected models only) 3. USB ports (4) 8. TV tuner connector (Selected models only) 4. HDMI in port (Selected models only) 9. Built-in microphone 5. HDMI out port IdeaCentre B520e Hardware Maintenance Manual...
  • Page 27 Left and right views The following illustrations show the location of connectors and components on the left and right sides of the computer. 1. Memory card reader 4. Microphone connector 2. USB ports (2) 5. Optical drive 3. Headphone connector 6.
  • Page 28 8. Hardware TV tuner board 21. System fans 9. WLAN card 22. Heatsink 10. Hardware TV switch board 23. Hardware TV Scale Board 11. Bluetooth module 24. Motherboard 12. Rear I/O module 25. Power supply 13. Infra red module IdeaCentre B520e Hardware Maintenance Manual...
  • Page 29 Identifying parts and connectors 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.
  • Page 30 The following illustration shows the locations of parts on the digital hardware TV scale board. 1. Inverter connector 4. TV tuner connector 2. LVDS connector 5. Mother board connector 3. Hardware TV button connector 6. RF IdeaCentre B520e Hardware Maintenance Manual...

  • Page 31: Chapter 8. Replacing Hardware

    Safety and Warranty Guide that was included with your computer or in the Hardware Maintenance Manual (HMM) for the computer. To obtain copies of the Safety and Warranty Guide or HMM, go to the Support Web site at: http://consumersupport.lenovo.com. Note: Use only parts provided by Lenovo. General information Pre-disassembly instructions Before proceeding with the disassembly procedure, make sure that you do the following: 1.

  • Page 32: 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 33: 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 34: Replacing A Memory Module

    Attention: Turn off the computer and wait 3 to 5 minutes to let the computer cool down before removing the computer 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 touch screen from scratches or other damage.

  • Page 35: Replacing The Optical Drive

    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 Remove the 2 screws that secure the optical drive to the metal bracket. Step 9. Use a small flat head screwdriver to press and push out the pins that secure the cover to the optical drive. Step 10. Separate the cover from the defective optical drive. IdeaCentre B520e Hardware Maintenance Manual...

  • Page 37: Replacing The Hard Disk Drive

    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 38: 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 39: 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 40: 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 41: 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 42: Replacing The Heatsink

    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 43: Replacing The Cpu

    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 This is important when installing the new microprocessor on the motherboard. Note: Do not drop anything onto the microprocessor socket while it is exposed. The socket pins must be kept as clean as possible. IdeaCentre B520e Hardware Maintenance Manual...
  • Page 45 Step 9. Make sure that the microprocessor retainer is fully open. Step 10. Holding the sides of the microprocessor with your fingers, remove the protective cover that protects the gold contacts on the new microprocessor Step 11. 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.

  • Page 46: 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 47: Replacing The Speaker System

    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 48: Replacing The Tv Tuner Card

    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 Tv Tuner Card Bracket

    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: Replacing The Tv Scale Board

    To replace the TV scale board: 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 computer screen from scratches or other damage.

  • Page 51: Replacing The Wlan Card

    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 52: Replacing The Power Supply

    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 53: Replacing The Touch 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 54: Replacing The Motherboard

    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 55: Replacing The Led Panel

    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 Lift up the chassis gently and disconnect the cables from the LED panel. Step 7. Lift up the chassis to separate it from the LED panel. For touch models refer to the below drawing. For non-touch models refer to the below drawing. IdeaCentre B520e Hardware Maintenance Manual...

  • Page 57: Replacing The Ir Emitter

    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 58: 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. 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 59 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.
  • Page 60 IdeaCentre B520e Hardware Maintenance Manual...

  • Page 61: Chapter 9. Additional Service Information

    • Resume On RTC 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. • On LAN Wake Up: This feature allows LAN adapter card to wake the System. © Copyright Lenovo 2011...

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