Lenovo 10142/F0A9 Maintenance Manual
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Lenovo 10142/F0A9 Maintenance Manual

Flex 20
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Lenovo Flex 20 All-In-One PC
Hardware Maintenance Manual
Machine Types: 10142/F0A9

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Summary of Contents for Lenovo 10142/F0A9

  • Page 1 Lenovo Flex 20 All-In-One PC Hardware Maintenance Manual Machine Types: 10142/F0A9...
  • Page 3 Lenovo Flex 20 All-In-One PC Hardware Maintenance Manual Machine Types: 10142/F0A9...
  • Page 4 First Edition (August 2013)30th © Copyright Lenovo 2013, 2013. 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.

  • Page 5: Table Of Contents

    Replacing the LED panel module ..Changing booting mode ... Exiting the Lenovo BIOS Setup Utility program . . Chapter 9. FRU lists-Flex 20 ..47 Chapter 6.
  • Page 6 Lenovo Flex 20 All-In-One PC Hardware Maintenance Manual...

  • Page 7: Chapter 1. About This Manual

    This manual contains service and reference information for Lenovo Flex 20 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 Lenovo Flex 20 All-In-One PC 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 any attached power cords, telecommunication cables, network cables, and modem cables before you open the computer covers, unless instructed otherwise in the installation and configuration procedures. © Copyright Lenovo 2013, 2013...
  • 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. Lenovo Flex 20 All-In-One PC Hardware Maintenance Manual...

  • Page 11: Safety Inspection Guide

    – 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

    • Connect and disconnect cables as described in the following table when installing, moving, or opening covers on this product or attached devices. Lenovo Flex 20 All-In-One PC 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 outlets. 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. Lenovo Flex 20 All-In-One PC Hardware Maintenance Manual...

  • Page 15: Chapter 3. General Information

    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 2013, 2013...
  • Page 16 Lenovo Flex 20 All-In-One PC 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 2013, 2013...
  • Page 18 Lenovo Flex 20 All-In-One PC 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 Administrator Password if you are responsible for maintaining the settings of several computers. After you set an Administrator Password, a password prompt is displayed every time you access the Lenovo BIOS Setup Utility program. If both the Administrator and Power-On Password are set, you can type either password. However, you must use your Administrator Password to change any configuration settings.

  • Page 21: Enabling Or Disabling A Device

    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 characters (a-z and 0-9).

  • Page 22: Selecting A Startup Device

    Select Network Setup, press the Enter key, then select Onboard Ethernet Support or LAN Boot Agent. 4. Select Disabled or Enabled and press the Enter key. 5. Return to the Lenovo BIOS Setup Utility program menu and select the Exit option. 6. Select Save Changes and Exit from the menu. Notes: a.

  • Page 23: Changing Booting Mode

    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 Lenovo Flex 20 All-In-One PC Hardware 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 connections Check the power cord. Power Cord Check the power-on switch. Power-on Switch © Copyright Lenovo 2013, 2013...

  • 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. Lenovo Flex 20 All-In-One PC Hardware Maintenance Manual...

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

    Attention: Be careful not to block any air vents on the computer. Blocked air vents can cause overheating. 1. Built-in microphone 4. Ambient light sensor 5. Power LED indicator 2. Camera LED indicator 3. Built-in camera 6. Windows button © Copyright Lenovo 2013, 2013...
  • Page 28 The following illustration shows the location of connectors, controls and components on the left and right side of the computer. 1. Combo audio jack 3. Power connector 2. USB 3.0 connectors (2) Lenovo Flex 20 All-In-One PC Hardware Maintenance Manual...
  • Page 29 Rear view The following illustration shows the location of connectors and components on the rear of the computer. 1. Power button 4. Screen rotation lock button 2. Volume up 5. Stand lock 3. Volume down 6. Air vents Chapter 7 Locating connectors, controls and components...
  • Page 30 Lenovo Flex 20 All-In-One PC Hardware Maintenance Manual...

  • Page 31: 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://support.lenovo.com. Note: Use only parts provided by Lenovo.

  • Page 32: Replacing The Keyboard And Mouse

    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. Locate the connector for the power cord. Refer to “Rear view”. Lenovo Flex 20 All-In-One PC Hardware Maintenance Manual...
  • Page 33 Step 3. Disconnect the failing power adapter from the computer. Step 4. To install the new power adapter: Connect the new power adapter to the same connector. Chapter 8 Replacing hardware...

  • Page 34: Removing The Rear Cover

    Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the rear 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 Step 4. Remove the two rubber caps that protect the screws. Step 5. Loose the two screws that secure the rear cover to the front bezel. Chapter 8 Replacing hardware...

  • Page 36: Replacing The Battery

    Reattach the two rubber caps. Replacing the battery Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the base cover. To replace the battery: Lenovo Flex 20 All-In-One PC Hardware Maintenance Manual...

  • Page 37: Replacing 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 that are connected to the computer.
  • Page 38 “Rear view” for help with locating the various connectors. Step 4. Remove the rear cover. Refer to "Removing the rear cover". Step 5. Disconnect the battery power cable from the connector on the motherboard. Lenovo Flex 20 All-In-One PC Hardware Maintenance Manual...
  • Page 39 Step 6. Remove the 4 screws that secure the hard disk drive to the rear cover. Step 7. Lift up the hard disk drive to remove it. Step 8. Disconnect the data and power cable from the hard disk drive. Step 9.

  • Page 40: Replacing The System Fan

    Line up the new system fan with the mounting holes on the rear cover and place it into position. Secure the new system fan to the rear cover with the three screws. Connect the new power cable to the connector on the motherboard. Lenovo Flex 20 All-In-One PC Hardware Maintenance Manual...

  • Page 41: Replacing The Heat-Sink

    Step 9. Reattach the rear cover and secure it with the screws. Replacing the heat-sink Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the rear cover. To replace the heat-sink: Step 1.

  • Page 42: Replacing A Memory Module

    To replace the Wi-Fi 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. Lenovo Flex 20 All-In-One PC Hardware Maintenance Manual...

  • Page 43: Replacing The I/O Board

    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 44: Replacing The Speaker System

    Refer to “Left and right view” and “Rear view” for help with locating the various connectors. Step 4. Remove the rear cover. Refer to "Removing the rear cover". Lenovo Flex 20 All-In-One PC Hardware Maintenance Manual...

  • Page 45: Replacing The Windows Function Board

    Step 5. Disconnect the speaker cable from the connector on motherboard. Step 6. Lift up speaker system to remove it. Step 7. To install the new speaker system: Line up the new speaker system with the mounting rubber screws. Connect the new speaker cable to the connector on the motherboard. Step 8.

  • Page 46: Replacing The Motherboard

    Remove the rear cover. Refer to “Removing the rear cover”. Step 5. Remove all memory modules. Refer to “Replacing a memory module”. Step 6. Remove the I/O board. Refer to “Replacing the I/O board”. Lenovo Flex 20 All-In-One PC Hardware Maintenance Manual...

  • Page 47: Replacing The Converter Board

    Step 7. Remove the heat-sink. Refer to “Replacing the heat-sink”. Step 8. Remove the Wi-Fi card. Refer to “Replacing the Wi-Fi card”. Step 9. Remove all the cables connected to the motherboard. Step 10. Remove the four screws that secure the motherboard to the rear cover and lift it up to remove Step 11.

  • Page 48: Replacing The Camera

    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. Lenovo Flex 20 All-In-One PC Hardware Maintenance Manual...
  • Page 49 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.
  • Page 50 Lift up the camera and disconnect the data cable from the camera. Step 7. Remove the two screws that secure the camera to the housing , then lift the camera out as shown. Lenovo Flex 20 All-In-One PC Hardware Maintenance Manual...

  • Page 51: Replacing The Led Panel Module

    Step 9. Reattach the rear cover and secure it with the screws. Replacing the LED panel module Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the rear cover. To replace the LED panel module: Step 1.
  • Page 52 Connect the touch cable to the connectors on both transform board and touch control board. Attach the front bezel hinge to the front bezel. Step 13. Reattach the rear cover and secure it with the screws. Lenovo Flex 20 All-In-One PC Hardware Maintenance Manual...

  • Page 53: Chapter 9. Fru Lists-Flex 20

    Chapter 9. FRU lists-Flex 20 This chapter lists the information on the field replaceable units (FRUs) for Lenovo Flex 20 All-In-One desktop computer. Attention: Be sure to read and understand all the safety information before replacing any FRUs. Notes: FRUs that have a 1 or 2 in the CRU column are Customer Replaceable Units (CRUs).
  • Page 54 SUNON EG50050S1-C280-S9A Beta CPU FAN 31504676 Battery sony polymer 4S1P 50WH 31504218 Sanyo polymer 4S1P 48.48WH 31504217 Touch control board 31504154 LG 19.5" PCT touch CB--Beta Mastouch 19.5" PCT Touch CB-Beta 31504152 Power cord Lenovo Flex 20 All-In-One PC Hardware Maintenance Manual...
  • Page 55 US/Canada/Barbados/Belize/Bolivia/Costa Rica/Columbia/Dominican Republic/Ecuador/El 31033857 Salvador/Guatemala/Haiti/Honduras/Jamaica/ Mexico/Netherlands Antilles/ Nicaragua/ Panama/ Philippines/Peru/Venezuela/ (Thainland) US/Canada/Barbados/Belize/Bolivia/Costa Rica/Columbia/Dominican Republic/Ecuador/El 31033858 Salvador/Guatemala/Haiti/Honduras/Jamaica/ Mexico/Netherlands Antilles/ Nicaragua/ Panama/ Philippines/Peru/Venezuela/ (Thainland) US/Canada/Barbados/Belize/Bolivia/Costa Rica/Columbia/Dominican Republic/Ecuador/El 31049517 Salvador/Guatemala/Haiti/Honduras/Jamaica/ Mexico/Netherlands Antilles/ Nicaragua/ Panama/ Philippines/Peru/Venezuela/ (Thainland) Australia/New Zealand 31035397 31049500 Australia/New Zealand Australia/New Zealand 31049520 Japan 31503423...
  • Page 56 Liteon SK-8861(JP) 2.4G KB Only-Silver8 25210201 25210200 Liteon SK-8861(CS-SK) 2.4G KB Only-S8 Liteon SK-8861(RU) 2.4G KB Only-Silver8 25210199 25210198 Liteon SK-8861(US-EU) 2.4G KB Only-S8 Liteon SK-8861(BE-EN) 2.4G KB Only-S8 25210197 25210196 Liteon SK-8861(US-IN) 2.4G KB Only-S8 Lenovo Flex 20 All-In-One PC Hardware Maintenance Manual...
  • Page 57 Liteon SK-8861(TH) 2.4G KB Only-Silver8 25210195 25210194 Liteon SK-8861(LA) 2.4G KB Only-Silver8 Liteon SK-8861(EN-FR) 2.4G KB Only-S8 25210193 25210192 Liteon SK-8861(LA-AR) 2.4G KB Only-S8 Liteon SK-8861(KR) 2.4G KB Only-Silver8 25210191 25210190 Liteon SK-8861(TW) 2.4G KB Only-Silver8 Liteon SK-8861(US) 2.4G KB only-Silver8 25209812 25209297 Liteon N70 2.4G mouse+D for Silver Silk...
  • Page 58 Elp_R J4208EBBG-GN-F 8GB D3-1600S RAM 1100636 MT16KTF1G64HZ-1G6E1 1100635 HMT41GS6AFR8A-PB 1100634 1100633 M471B1G73BH0-YK0 LCD Touch Module 888015672 N BETA LCD Touch Module for LG BETA LCD Touch Module for Mastouch 888015673 N Mechanicals Beta Back Cover 90203929 Lenovo Flex 20 All-In-One PC Hardware Maintenance Manual...
  • Page 59 Beta Hinge 90203930 Beta Hinge Cover 90203931 Beta Hinge Lock 90203932 AVC Beta Rubber-foot2 31504911 31504910 AVC Beta Windows key AVC Beta rubber key 31504909 AVC Beta bracket for Lock 31504908 AVC Beta bracket for camera 31504907 AVC Beta bracket for HDD 31504906 AVC Beta rear-cover 31504725...
  • Page 60 Lenovo Flex 20 All-In-One PC Hardware Maintenance Manual...

  • Page 61: Chapter 10. Additional Service 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 2013, 2013...

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