ThinkCentre A70z System Fan

Hardware Maintenance Manual for ThinkCentre A70z

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...fan assembly . 81 Installing a microprocessor fan assembly . . 83 Replacing the microprocessor and heat sink assembly 85 Removing the microprocessor and heat sink assembly 85 Installing the microprocessor and heat sink assembly 87 iii Diagnostics 33 Lenovo ThinkVantage Toolbox 33 Lenovo System Toolbox 33 Lenovo...38 Setting, changing, and deleting a password . 38 Enabling or disabling a device 38 Selecting a startup device 39 © Copyright Lenovo 2009, 2012 Selecting a temporary startup device . . . . 39 Selecting or changing the startup device sequence 39 Exiting from a ...

Hardware Maintenance Manual for ThinkCentre A70z

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...Removing the inverter 97 Installing an inverter 98 Replacing the battery 99 Removing the battery 99 Installing a battery 100 Replacing the system fan 100 Removing the system fan 100 Installing a system fan 101 Replacing the power supply assembly . . . . . 101 Removing the power supply assembly . . . 102 Installing ...computer cover 108 Installing a computer stand 109 Chapter 9. Notices 183 Television output notice 184 Trademarks 184 Index 185 iv ThinkCentre Hardware Maintenance Manual FRU lists 111 Overall: MT 1165, 1184, and 1186 111 Mechanical FRUs 115 Keyboard and Mouse ...

Hardware Maintenance Manual for ThinkCentre A70z

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...Use only one hand when working with powered-on suitable rubber mats (obtained locally, if necessary) to get medical aid. 4 ThinkCentre Hardware Maintenance Manual Remember: There must be a complete circuit to decrease electrostatic discharges. Stand on electrical equipment; Use extreme care when... in your pocket or behind your body. - Examples of the units.) • If an electrical accident occurs: - Blowers and fans - Motor generators and similar units. (This practice ensures correct grounding of these instructions are removed from a circuit. Send another person,...

Hardware Maintenance Manual for ThinkCentre A70z

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... 2. System board No action 1. System board No action 1. Replace the memory module called out by the test 2. Microprocessor No action 1. System board 58 ThinkCentre Hardware Maintenance Manual Check fans 2. C2 Cover Switch 3. Hard Disk drive (IDE) 5. Check power supply voltages 3. Flash the system and re-test. Microprocessor 4. System board No action 1. Reseat...

Hardware Maintenance Manual for ThinkCentre A70z

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... signal cable connections to network adapter 2. Power Supply 2. Ensure network administrator is in the first 3.5-inch diskette drive. 1. System Board 3. System Board No power or fan not running 1. System Board 2. Diskette Drive 2. Run the Memory tests 2. Ensure that the operating system settings are set to enable Wake on page 41. 1. See...; 3. Ensure that network is using correct MAC address 5. Message/Symptom FRU/Action Computer will not perform a Wake On LAN® (if applicable) 1. System Board 62 ThinkCentre Hardware Maintenance Manual

Hardware Maintenance Manual for ThinkCentre A70z

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Chapter 8. 5 Microprocessor fan assembly 6 Hard disk drive 7 Optical drive 8 Internal speaker 13 System board 14 System fan 15 Inverter Major components of the computer The following illustration shows the major components of the computer. Replacing FRUs 67

Hardware Maintenance Manual for ThinkCentre A70z

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1 System board shielding 2 Integrated webcam 3 Heat sink assembly 4 Microprocessor fan assembly 5 Power supply assembly 6 Hard disk drive 7 Optical drive 8 Main bracket 9 LCD panel 10 Internal speaker 11 Front bezel 12 Internal...System board 18 Microprocessor System board connectors The following illustration shows the locations of the system board connectors. 1 Inverter 10 2 Microprocessor 11 3 Microprocessor fan assembly 12 4 Power supply assembly 13 5 Memory modules (2) 14 6 Power cables for hard disk drive and optical 15 drive Rear USB assembly -...

Hardware Maintenance Manual for ThinkCentre A70z

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...Disconnect all cables, power cords, and external options from the system board. Hold the sides of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to "Completing the FRU installation" on page 108. See...the system board shielding. Remove the four screws that attach the microprocessor fan assembly to the microprocessor fan assembly. See "System board connectors" on page 85. 8. Removing the microprocessor fan assembly To remove the microprocessor fan assembly, do the following: 1. 7. See "Removing the microprocessor ...

Hardware Maintenance Manual for ThinkCentre A70z

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... hole in the main bracket. 13. Reinstall the four screws that attach the new microprocessor fan assembly to the system board connectors. Chapter 8. 12. Installing a microprocessor fan assembly To install a microprocessor fan assembly, do the following: 1. Connect the microprocessor fan assembly cables to the main bracket. 2. Replacing FRUs 83 Lift the main bracket up...

Hardware Maintenance Manual for ThinkCentre A70z

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Reinstall the four screws that they will not be pinched by the system board shielding. 4. Route the microprocessor fan assembly cables so that attach the LCD panel to the front bezel. 84 ThinkCentre Hardware Maintenance Manual Reinstall all the 11 screws that secure the main bracket to the main bracket. 5. 3.

Hardware Maintenance Manual for ThinkCentre A70z

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... to disengage the integrated webcam 1 from the front bezel. 18. Note the routing of the integrated webcam cable connection. See "Removing the microprocessor fan assembly" on page 88. 14. See "Removing the memory module" on page 68. 16. See "System board connectors" on page 79. ...13. Installing an integrated webcam To install an integrated webcam, do the following: Chapter 8. Replacing FRUs 95 Remove the microprocessor fan assembly. See "Removing the microprocessor and heat sink assembly" on the system board. Disconnect the integrated webcam cable from the computer. 10. ...

Hardware Maintenance Manual for ThinkCentre A70z

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...1 downward until the integrated webcam-locking tabs 2 snap into position. 2. Reinstall the microprocessor and heat sink assembly. Remove the microprocessor fan assembly. Reinstall the optical drive. Go to the system board and route the excess integrated webcam cable along the side of the main...Reinstall the memory modules. Reinstall the power supply assembly. See "Installing a system board" on page 83. 7. See "Installing a microprocessor fan assembly" on page 89. 5. "Installing the microprocessor and heat sink assembly" on page 108. 96 ThinkCentre Hardware Maintenance Manual

Hardware Maintenance Manual for ThinkCentre A70z

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...fan To remove the system fan, do the following : 1. Disconnect all the cables from the rear I /O assembly and disconnect all cables, power cords, and external options from your computer. See "Rear connectors" on page 92. 100 ThinkCentre Hardware Maintenance Manual See "Replacing the inverter" on how to : http://www.lenovo... and the cover is facing up . 4. Turn off the computer. 2. Hold the sides of the ThinkCentre Safety and Warranty Guide, go to replace the system fan. Dispose of your computer. Installing a battery To install a battery, do the following : 1. Make sure...

Hardware Maintenance Manual for ThinkCentre A70z

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...that has the following : 1. Go to the rear I /O shielding" on page 74. 9. See "Installing the rear I /O assembly. Reconnect the system fan cable to "Completing the FRU installation" on page 68. 5. Replacing the power supply assembly Attention Never remove the cover on page 93. 6. Replacing FRUs 101...system board shielding" on page 72. 8. Reconnect the rear I /O assembly" on a power supply or any part that secure the system fan to the system board. See "Installing a rear I /O assembly cables to the system board shielding. 4. See "Closing the system board shielding" on...

Hardware Maintenance Manual for ThinkCentre A70z

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...85. 11. Remove the system board. See "Rear connectors" on page 71. 8. Hold the sides of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the LCD panel. See "Opening the system board shielding" on..." on page 77. 7. Remove the microprocessor fan assembly. Remove the memory modules. Replacing the LCD panel Attention Do not open your computer or attempt any repair before reading and understanding the "Important safety information" in the ThinkCentre Safety and Warranty Guide that the screen is against...

Hardware Maintenance Manual for ThinkCentre A70z

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... A5S A5Y A6S A6Y B5S B5D B5Y Web camera 1.3M • MT 1165: all models • MT 1184: all models • MT 1186: all models Fan for microprocessor (use 2 at same time) • MT 1165: all models • MT 1184: all models • MT 1186: all models Hard disk drive, SATA...

Hardware Maintenance Manual for ThinkCentre A70z

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...F4Q F5Q F6Q F7Q F8Q F9Q G1Q G2Q G3Q • MT 1184: A1G A2G A3G FRU # 41A5289 CRU 1 116 ThinkCentre Hardware Maintenance Manual FRUs FRU, hinge stand rubber foot • MT 1165: all models • MT 1184: all models... • MT 1165: all models • MT 1184: all models • MT 1186: all models FRU, system board fan • MT 1165: all models • MT 1184: all models • MT 1186: all models FRU, ODD cover for...FRU # CRU 45K6426 N 89Y0897 N 03T9583 N 03T9566 N 03T9567 N 03T9568 N 03T9569 N 03T9570 N Keyboard and Mouse Keyboard (Lenovo Preferred Pro USB --

Hardware Maintenance Manual for ThinkCentre A70z

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FRU lists 139 Item # 4 5 6 6 6 6 6 FRUs Webcam kit • MT 0401: all models • MT 0994: all models • MT 0421, 2565: all models Microprocessor fan (use 2 at same time) • MT 0401: all models • MT 0994: all models • MT 0421, 2565: all models Hard disk drive, SATA 160GB ...

Hardware Maintenance Manual for ThinkCentre A70z

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...: all models Power button and LED cable • MT 0401: all models • MT 0994: all models • MT 0421, 2565: all models System board fan • MT 0401: all models • MT 0994: all models • MT 0421, 2565: all models Optical drive cover for non-optical drive model •...

ThinkCentre A70z System Fan - Lenovo