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Lenovo ideacentre All-In-One 520 Hardware Maintenance Manual
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Lenovo ideacentre All-In-One 520 Hardware Maintenance Manual

Lenovo ideacentre All-In-One 520 Hardware Maintenance Manual

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ideacentre All-In-One 520 (27 inch) Computer
Hardware Maintenance Manual
Machine Types: F0D0 [AIO 520-27 IKL/Energy Star]/F0DE [AIO 520-
27ICB/Energy Star]

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Summary of Contents for Lenovo ideacentre All-In-One 520

  • Page 1 All-In-One 520 (27 inch) Computer Hardware Maintenance Manual Machine Types: F0D0 [AIO 520-27 IKL/Energy Star]/F0DE [AIO 520- 27ICB/Energy Star]...
  • Page 3 All-In-One 520 (27 inch) Computer Hardware Maintenance Manual Machine Types: F0D0 [AIO 520-27 IKL/Energy Star]/F0DE [AIO 520- 27ICB/Energy Star]...
  • Page 4 First Edition (May 2018) © Copyright Lenovo 2018. 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-...

  • Page 5: Table Of Contents

    Replacing the memory module ..Replacing the solid state drive ..Starting the Lenovo BIOS Setup Utility program . . Replacing the Wi-Fi card ...
  • Page 6 All-In-One 520 (27 inch) Computer Hardware Maintenance Manual...

  • Page 7: Chapter 1. About This Manual

    This manual contains service and reference information for Lenovo All-In-One 520 series 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 All-In-One 520 (27 inch) Computer Hardware Maintenance Manual...

  • Page 9: Chapter 2. Safety Information

    • Reattach all covers correctly before returning the computer to the customer. Electrical safety CAUTION: Electrical current from power, telephone, and communication cables can be hazardous. To avoid personal injury or equipment damage, disconnect any attached power cords, telecommunication © Copyright Lenovo 2018...
  • Page 10 • Do not service the following parts with the power on when they are removed from their normal operating positions in a computer: – Power supply units – Pumps – Blowers and fans – Motor generators and similar units. (This practice ensures correct grounding of the units.) ideacentre All-In-One 520 (27 inch) Computer Hardware Maintenance Manual...

  • Page 11: Safety Inspection Guide

    • If an electrical accident occurs: – Use caution; do not become a victim yourself. – Switch off power. – Send another person to get medical aid. Safety inspection guide The intent of this inspection guide is to assist you in identifying potential hazards posed by these products. Each computer, as it was designed and built, had required safety items installed to protect users and service personnel from injury.

  • Page 12: Grounding Requirements

    • Never turn on any equipment when there is evidence of fire, water, or structural damage. • Disconnect the attached power cords, telecommunications cables, network cables, and modem cables before you open the device covers, unless instructed otherwise in the installation and configuration procedures. ideacentre All-In-One 520 (27 inch) Computer Hardware Maintenance Manual...
  • Page 13 • Connect and disconnect cables as described in the following table when installing, moving, or opening covers on this product or attached devices. To Connect To Disconnect 1. Turn everything OFF. 1. Turn everything OFF. 2. First, attach all cables to devices. 2.
  • Page 14 CAUTION: Do not place any object weighing more than 82 kg (180 lbs.) on top of rack-mounted devices. ideacentre All-In-One 520 (27 inch) Computer Hardware Maintenance Manual...

  • Page 15: Chapter 3. General Information

    This chapter provides general information that applies to all computer models covered by this manual. Specifications This section lists the physical specifications for your computer. This section lists the physical specifications for your computer. Type Lenovo All-In-One 520 This section lists the physical specifications. Environment Air temperature: Operating: 10°...
  • Page 16 All-In-One 520 (27 inch) Computer Hardware 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 2018...
  • Page 18 All-In-One 520 (27 inch) Computer Hardware 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...

  • Page 21: Enabling Or Disabling A Device

    Note: A password can be any combination of letters and numbers up to 16 characters (a-z and 0-9). 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.

  • 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 All-In-One 520 (27 inch) Computer Hardware Maintenance Manual...

  • Page 25: Chapter 6. Symptom-To-Fru Index

    Reseat connectors Check that the following are properly installed: • Power Cord • On/Off Switch connector • System Board Power Supply connectors • Microprocessor connections Check the power cord. Power Cord Check the power-on switch. Power-on Switch © Copyright Lenovo 2018...

  • 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 All-In-One 520 (27 inch) Computer Hardware Maintenance Manual...

  • Page 27: Chapter 7. Locating Connectors, Controls And Components

    The following illustration shows the location of controls and components on the front of the computer. Attention: Be careful not to block any air vents on the computer. Blocked air vents can cause overheating. 3. Built-in camera 1. Camera LED indicator 2. Infrared LEDs （Selected models only） © Copyright Lenovo 2018...
  • Page 28 The following illustration shows the location of connectors, controls and components on the left and right side of the computer. 1. USB 3.0 connectors 3. Power button 2. Optical drive （Optional） 4. Cable clip ideacentre All-In-One 520 (27 inch) Computer Hardware Maintenance Manual...
  • Page 29 Rear view The following illustration shows the location of connectors and components on the rear of the computer. 1. Security cable slot 6. USB 2.0 connector 2. Power connector 7. USB 2.0 connector 3. Ethernet connector 8. USB 3.0 Type-C connector/USB power off charging connector 4.
  • Page 30 • Non-CRUs: Parts must be installed or replaced only by trained service technicians Description Self-service CRU Optional-service CRU Stand holder ideacentre All-In-One 520 (27 inch) Computer Hardware Maintenance Manual...
  • Page 31 Stand base Rear cover HDD shielding HDD bracket Hard disk drive HDD cable ODD bezel Optical disk drive ODD bracket with latch assembly ODD cable LVDs cable LCD Main frame LCD panel LCD backlight cable Power switch board Microphone Module (with bracket) Speaker system Front deco...
  • Page 32 Card reader cable USB and Audio cable Side I/O shielding Side I/O USB board Mouse Keyboard Touch model Description Self-service CRU Optional-service CRU Stand holder Stand base Rear cover ideacentre All-In-One 520 (27 inch) Computer Hardware Maintenance Manual...
  • Page 33 HDD shielding HDD bracket Hard disk drive HDD cable ODD bezel Optical disk drive ODD bracket with latch assembly ODD cable LVDs cable LCD panel module LCD backlight cable Power switch board Microphone Module (with bracket) Speaker system Front deco Power adapter Power cord Hinge cover (top)
  • Page 34 Side I/O USB board Mouse Keyboard For detailed FRU information, such as the FRU part numbers and supported computer models, go to: http:// www.lenovo.com/serviceparts-lookup ideacentre All-In-One 520 (27 inch) Computer Hardware Maintenance Manual...
  • Page 35 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 36 24. Wifi connector 10. Converter connector 25. SSD SATA connector 11. DC-IN connector 26. RAM connector 12. Ethernet connector 27. Battery 13. HDMI-in connector 14. USB 2.0 connector 15. USB 2.0 Connector ideacentre All-In-One 520 (27 inch) Computer Hardware Maintenance Manual...

  • Page 37: 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 38: 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 touch screen from scratches or other damage.

  • Page 39: 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 touch screen from scratches or other damage.
  • Page 40 Push the optical drive out using the ODD latch assembly. Step 6. Push a small iron stick (paper clip) into the small hole on the optical drive bezel so that the disk springs out as shown. ideacentre All-In-One 520 (27 inch) Computer Hardware Maintenance Manual...

  • Page 41: Removing The Rear 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 touch screen from scratches or other damage.
  • Page 42 Step 5. Remove the hinge covers. Step 6. Remove the three screws that secure the rear cover to the chassis. Step 7. Remove the optical drive. Refer to Replacing the optical drive. ideacentre All-In-One 520 (27 inch) Computer Hardware Maintenance Manual...
  • Page 43 Step 8. Remove the screw that secure the rear cover to the chassis. Step 9. Remove the screw cover rubber. Step 10. Rotate the screwdriver 90 degrees to the right, and then lift up the rear cover from the left side bottom.
  • Page 44 Step 11. Unplug the camera cable that connect to the Motherboard. ideacentre All-In-One 520 (27 inch) Computer Hardware Maintenance Manual...

  • Page 45: Removing The Motherboard Frame

    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 Step 7. Press the camera to make it out of the chassis and remove the six screws, and then press the camera into the chassis again and pull out the camera module. Step 8. To install the new camera module: Place the new camera module into position, secure the module to the chassis with six screws.

  • Page 48: Replacing The Heat-Sink

    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 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 touch screen from scratches or other damage.

  • Page 50: Removing The Stand Holder

    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 touch screen from scratches or other damage.

  • Page 51: 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 52: Replacing The Memory 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 touch screen from scratches or other damage.

  • Page 53: Replacing The Solid State 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 touch screen from scratches or other damage.

  • Page 54: 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. 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 Side Usb 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 56: 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 57 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”...

  • Page 58: Replacing The Motherboard

    Step 12. Reattach the heat-sink, EMI cover, middle cover, optical drive, stand holder, foot cover and stand base. Replacing the motherboard Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. ideacentre All-In-One 520 (27 inch) Computer Hardware Maintenance Manual...
  • Page 59 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 60: 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 61: Replacing The Microphone 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 62: Replacing The Power Switch 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 63: Replacing The Lcd Panel 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 64 Step 15. If your device is a touch computer, disconnect the touch cable from the connector on the motherboard. Otherwise, skip this step. Refer to Locating connectors, controls and components to locate the touch connector. ideacentre All-In-One 520 (27 inch) Computer Hardware Maintenance Manual...
  • Page 65 Step 16. To install the new the LCD panel module: Align the new LCD panel with the main frame. Secure the new LCD panel to the main frame with nineteen screws. Connect the touch(touch model only), LVDS and converter cables to the connectors in the new LCD panel.
  • Page 66 All-In-One 520 (27 inch) Computer Hardware Maintenance Manual...

  • Page 67: 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 2018...

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