Acer Aspire 5940g Service Guide
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Chapter 3101 Main Module Reassembly Procedure Replacing the CPU IMPORTANT: The CPU has a Pin1 locator that must be positi oned corresponding to the marker on the CPU socket. 1. Carefully turn the mainboard upside down (CPU side up), and place the CPU into the CPU socket as shown, taking note of the Pin1 locator. 2. Turn the securing screw 180° to secure the CPU in the socket. Socket Pin1 LocatorCPU Pin1 Locator
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102Chapter 3 Replacing the Thermal Module IMPORTANT: Apply a suitable thermal grease and ensure all heat pads are in place before replacing the Thermal Module. The following thermal grease types are approved for use: •Silmore GP50 •Honeywell PCM45F-SP •ShinEtsu 7762 The following thermal pads are approved for use: • Eapus XR-PE 1. Remove all traces of thermal grease from the CPU using a lint-free cloth or cotton swab and Isopropyl Alcohol, Acetone, or other approved cleaning agent. 2. Apply a small...
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Chapter 3103 Replacing the VGA/MXM Card NOTE: The following procedure outlines the installation steps for models supporting VGA Cards. The procedure for MXM Cards requires two screws, though the remaining steps are identical. 1. Insert the card in to the Mainboard connector as shown. 2. Replace the single screw se curing the card to the Mainboard. NOTE: MXM cards are secured with and additional screw as indicated by the green callout.
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104Chapter 3 Replacing the Mainboard 1.Insert the Mainboard in to the Lower Cover, left side fi rst. Ensure that the I/O ports on the left side of the Mainboard are located correctly through the Lower Case. 2. Pivot the Mainboard in to the Lower Cover as shown. 3. Replace the single screw securing the Mainboard to the Lower Cover.
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Chapter 3105 Replacing the Hinge Wells Replacing the Card Reader Board 1.Replace the left and right Hinge Wells in the Lower Cover as shown. Ensure that the Wells are seated correctly on the locating pins. 2. Replace the two screws to secure the Hinge Wells in the Lower Cover. 1. Insert the Card Reader Board right side first as shown. Ensure that the I/O ports on the right side of the board are located correctly through the Lower Case. 2. Lower the board in to place and press down as indicated to...
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106Chapter 3 Replacing the Bluetooth Module 3.Replace the four screws to secure the Card Reader Board to the Lower Cover. 1. Connect the Bluetooth cable to the module as shown. 2. Place the module in the Lower Cover. Ensure that the module is seated correctly on the locating pins. 3. Run the cable along the cable channel as shown, and connect it to the Mainboard.
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Chapter 3107 Replacing the Subwoofer Replacing the USB Board 1.Place the module in the Lower Cover. Ensure that the module is seated correctly on the locating pins. 2. Run the cable along the cable channel using all available clips. 3. Connect the Subwoofer cable to the Mainboard as shown. 1. Place the board in the Lower Cover. Ensure that the board is seated correctly on the locating pins. 2. Replace the single screw securing the board to the Lower Cover.
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108Chapter 3 Replacing the Saddles 1.Align the screw holes and locating pins on the Saddles and the Lower Cover and replace the Saddles. 2. Replace the two screws to secure the Right Saddle to the Lower Cover. NOTE: The Left Saddle is not secured with screws.
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Chapter 3109 Replacing the LCD Module IMPORTANT: The LCD Module cannot be disassembled outside of factory conditions. If any part of the LCD Module is faulty, such as the camera, antenna or LCD panel, the whole module must be replaced. 1. Align the LCD hinges with the Lower Cover screw holes and replace the LCD Module. IMPORTANT: Ensure that the cables pass through the Hinge Wells as shown to avoid trapping when the Upper Cover is replaced. 2. Replace the four screws to secure the LCD Module to the...
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11 0Chapter 3 Replacing the TouchPad Bracket IMPORTANT: The TouchPad cannot removed from the Upper Cover. Replace the entire Upper Cover if the TouchPad malfunctions. 1. Insert the TouchPad Bracket into the upper cover so the tabs slide into the securing slots in the upper cover. 3. Run the Conductive cable along the cable channel using all the cable clips. 4. Run the LVDS cable along the cable channel using all the cable clips. 5. Connect the LVDS cable to the Mainboard as shown. 6. Connect the...