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Aspire 4741 Series Service Guide Service guide files and updates are available on the ACER/CSD web; for more information, please refer to http://csd.acer.com.tw PRINTED IN TAIWAN...
Chapter 3 Machine Disassembly and Replacement This chapter contains step-by-step procedures on how to disassemble the notebook computer for maintenance and troubleshooting. Disassembly Requirements To disassemble the computer, you need the following tools: Wrist grounding strap and conductive mat for preventing electrostatic discharge •...
General Information Pre-disassembly Instructions Before proceeding with the disassembly procedure, make sure that you do the following: Turn off the power to the system and all peripherals. Unplug the AC adapter and all power and signal cables from the system. Place the system on a flat, stable surface.
External Module Disassembly Process External Modules Disassembly Flowchart The flowchart below gives you a graphic representation on the entire disassembly sequence and instructs you on the components that need to be removed during servicing. For example, if you want to remove the main board, you must first remove the keyboard, then disassemble the inside assembly frame in that order.
Removing the Battery Pack Turn base unit over. Slide the battery lock/unlock latch to the unlock position. Slide the battery release latch to the release position to pop out the battery pack, then remove the battery pack from the main unit. Note: Battery has been highlighted with the yellow circle as above image shows.
Removing the Back Cover See “Removing the Battery Pack” on page 30. See “Removing the SD Dummy Card” on page 31. Remove the four captive screws securing the back cover. Use a flat screwdriver to pry open the back cover and detach it from the lower case. Chapter 3...
Removing the DIMM Modules See “Removing the Battery Pack” on page 30. See “Removing the SD Dummy Card” on page 31. See “Removing the Back Cover” on page 32. Push out the latches on both sides of the DIMM socket to release the DIMM modules. Remove the DIMM modules.
Removing the Hard Disk Drive Module See “Removing the Battery Pack” on page 30. See “Removing the SD Dummy Card” on page 31. See “Removing the Back Cover” on page 32. See “Removing the DIMM Modules” on page 33 Remove the one screw (B) securing the hard disk drive module. Size (Quantity) Color Torque...
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Remove the two screws (C) securing the hard disk to the bracket and remove the hard disk from the bracket. Size (Quantity) Color Torque Part No. M3 x L4 (1) Silver 3.0 kgf-cm 86.9A524.4R0 Chapter 3...
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Removing the Wireless WAN Module See “Removing the Battery Pack” on page 30. See “Removing the SD Dummy Card” on page 31. See “Removing the Back Cover” on page 32. See “Removing the DIMM Modules” on page 33. See “Removing the Hard Disk Drive Module” on page 34. Remove the one screw (B) securing the wireless WAN module to the system.
Remove the wireless WAN module from its connector. NOTE: When attaching the antenna back to the wireless WAN module, make sure the cable are arranged properly. Removing the WLAN Module See “Removing the Battery Pack” on page 30. See “Removing the SD Dummy Card” on page 31. See “Removing the Back Cover”...
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Remove the one screw (B) securing the WLAN module to the system. Size (Quantity) Color Torque Part No. M2 x L3 (1) Black 1.6 kgf-cm 86.00F80.723 Disconnect the black antenna cable from MAIN connector and the white antenna cable from AUX connector on the WLAN module.
10. Remove the WLAN module from the WLAN connector. NOTE: When attaching the antenna back to the WLAN module, make sure the cable are arranged properly. Removing the Optical Drive Module See “Removing the Battery Pack” on page 30. See “Removing the SD Dummy Card” on page 31. See “Removing the Back Cover”...
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Slowly pull out the ODD module from the ODD drive bay. 10. Remove the one screw (B) securing the ODD bracket to the ODD module. Size (Quantity) Color Torque Part No. M2 x L3 (1) Black 1.6 kgf-cm 86.00F80.723 Chapter 3...
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11. Detach the ODD bracket from the optical disk drive module. Chapter 3...
Main Unit Disassembly Process Main Unit Disassembly Flowchart Screw List Item Screw Color Part No. M2 x L3 Black 86.00F80.723 M2.5 x L6 Black 86.00E12.536 Chapter 3...
Removing the Keyboard See “Removing the Battery Pack” on page 30. See “Removing the SD Dummy Card” on page 31. See “Removing the Back Cover” on page 32. See “Removing the DIMM Modules” on page 33. See “Removing the Hard Disk Drive Module” on page 34. See “Removing the Wireless WAN Module”...
11. Disconnect the keyboard cable from its connector (KB1) on the main board and detach the keyboard. Separating the Upper Case from the Lower Case See “Removing the Battery Pack” on page 30. See “Removing the SD Dummy Card” on page 31. See “Removing the Back Cover”...
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11. Detach the power cable from its connector on the main board. 12. Detach the speaker cable from its connector on the main board. 13. Detach the touchpad cable from its connector on the main board. Chapter 3...
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14. Remove the nine screws (E) from the lower case. Size (Quantity) Color Torque Part No. M2.5 x L6 (9) Black 3.0 kgf-cm 86.00E12.536 15. Remove the five screws (B) from the lower case. Size (Quantity) Color Torque Part No. M2 x L3 (5) Black 1.
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16. Use a plastic screw driver to pry loose the sides of the upper case. 17. Gently detach the upper case from the lower case. Remove the upper case. Chapter 3...
Removing the LCD Module See “Removing the Battery Pack” on page 30. See “Removing the SD Dummy Card” on page 31. See “Removing the Back Cover” on page 32. See “Removing the DIMM Modules” on page 33. See “Removing the Hard Disk Drive Module” on page 34. See “Removing the Wireless WAN Module”...
13. Remove the four screws (E) from the left and right hinges of the LCD module. Size (Quantity) Color Torque Part No. M2.5 x L6 (4) Black 3.0 kgf-cm 86.00E12.536 14. Release the microphone cable, WWAN and WLAN antennas from the latches and tapes. Chapter 3...
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15. Carefully pull out the wireless antenna cables from the hole(s). 16. Carefully remove the LCD module from the base unit. NOTE: When connecting the cable back to the unit, please note that the cable should be routed well. Chapter 3...
Removing the Touchpad Board See “Removing the Battery Pack” on page 30. See “Removing the SD Dummy Card” on page 31. See “Removing the Back Cover” on page 32. See “Removing the DIMM Modules” on page 33. See “Removing the Hard Disk Drive Module” on page 34. See “Removing the Wireless WAN Module”...
Removing the Power Board See “Removing the Battery Pack” on page 30. See “Removing the SD Dummy Card” on page 31. See “Removing the Back Cover” on page 32. See “Removing the DIMM Modules” on page 33. See “Removing the Hard Disk Drive Module” on page 34. See “Removing the Wireless WAN Module”...
13. Release the power board from the latches and detach it from the upper case. Removing the Left and Right Speaker Modules See “Removing the Battery Pack” on page 30. See “Removing the SD Dummy Card” on page 31. See “Removing the Back Cover” on page 32. See “Removing the DIMM Modules”...
12. Release the speaker cables from the tapes and lataches. 13. Detach the left and right speaker modules. Removing the USB Board Module See “Removing the Battery Pack” on page 30. See “Removing the SD Dummy Card” on page 31. See “Removing the Back Cover”...
13. Push the tab that secures the USB board to the lower case in the direction indicated by the arrow. 14. Remove the USB board module from the lower case. Removing the Bluetooth Module See “Removing the Battery Pack” on page 30. See “Removing the SD Dummy Card”...
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13. Disconnect the bluetooth cable from its connector on the main board. 14. Release the bluetooth cable from the tape and latches. 15. Detach the bluetooth module. Chapter 3...
Removing the Main Board See “Removing the Battery Pack” on page 30. See “Removing the SD Dummy Card” on page 31. See “Removing the Back Cover” on page 32. See “Removing the DIMM Modules” on page 33. See “Removing the Hard Disk Drive Module” on page 34. See “Removing the Wireless WAN Module”...
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15. Lift the main board gently from the lower case. 16. Carefully remove the main board. Removing the AC-in Cable Module See “Removing the Battery Pack” on page 30. See “Removing the SD Dummy Card” on page 31. See “Removing the Back Cover” on page 32. See “Removing the DIMM Modules”...
15. Disconnect AC-in cable from its connector on the main board. 16. Detach the AC-in cable module. Removing the Heatsink Module NOTE: There are two version of heatsink module. For this section, we are going to use the discrete model. The UMA version looks like the picture below: See “Removing the Battery Pack”...
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14. See “Removing the Main Board” on page 57. 15. See “Removing the AC-in Cable Module” on page 58. 16. Disconnect the heatsink fan cable from its connector from the main board. 17. Remove the six screws securing the heatsink module in the order shown. NOTE: The Discrete system may be shipped with NVIDIA N11PGE1 VRAM HYNIX Graphic DDRIII 800 1GB or NVIDIA N11MGE1 VRAM Samsung Graphic DDRIII 800 512MB...
18. Carefully lift up the heatsink module. Removing the CPU See “Removing the Battery Pack” on page 30. See “Removing the SD Dummy Card” on page 31. See “Removing the Back Cover” on page 32. See “Removing the DIMM Modules” on page 33. See “Removing the Hard Disk Drive Module”...
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17. Using a flat screwdriver, turn the CPU socket latch counter-clockwise to release the CPU. 18. Lift up carefully to remove the CPU. Chapter 3...
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NOTE: When installing the CPU, make sure to install the CPU with PIN 1 at the corner as shown. Chapter 3...
LCD Module Disassembly Process LCD Module Disassembly Flowchart Screw List Item Screw Color Part No. M2.5 x L5 Black 86.00F87.735 M2 x L3 Black 86.00F80.723 M2.5 x L4 Silver 86.00H36.534 Chapter 3...
Removing the LCD Bezel See “Removing the Battery Pack” on page 30. See “Removing the SD Dummy Card” on page 31. See “Removing the Back Cover” on page 32. See “Removing the DIMM Modules” on page 33. See “Removing the Hard Disk Drive Module” on page 34. See “Removing the Wireless WAN Module”...
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14. Carefully pry open the LCD bezel and remove it from the LCD panel. Chapter 3...
Removing the Web Camera See “Removing the Battery Pack” on page 30. See “Removing the SD Dummy Card” on page 31. See “Removing the Back Cover” on page 32. See “Removing the DIMM Modules” on page 33. See “Removing the Hard Disk Drive Module” on page 34. See “Removing the Wireless WAN Module”...
Removing the LCD Panel with the Brackets See “Removing the Battery Pack” on page 30. See “Removing the SD Dummy Card” on page 31. See “Removing the Back Cover” on page 32. See “Removing the DIMM Modules” on page 33. See “Removing the Hard Disk Drive Module”...
14. Remove the LCD with the brackets from the LCD back cover. Removing the LCD Brackets See “Removing the Battery Pack” on page 30. See “Removing the SD Dummy Card” on page 31. See “Removing the Back Cover” on page 32. See “Removing the DIMM Modules”...
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15. Remove the four screws (B) securing the left and right LCD brackets to remove the brackets. Size (Quantity) Color Torque Part No. M2 x L3 (4) Black 1.6 kgf-cm 86.00F80.723 Chapter 3...
Removing the FPC Cable See “Removing the Battery Pack” on page 30. See “Removing the SD Dummy Card” on page 31. See “Removing the Back Cover” on page 32. See “Removing the DIMM Modules” on page 33. See “Removing the Hard Disk Drive Module” on page 34. See “Removing the Wireless WAN Module”...
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17. Disconnect the FPC cable from the LCD panel. Chapter 3...
Removing the Microphone See “Removing the Battery Pack” on page 30. See “Removing the SD Dummy Card” on page 31. See “Removing the Back Cover” on page 32. See “Removing the DIMM Modules” on page 33. See “Removing the Hard Disk Drive Module” on page 34. See “Removing the Wireless WAN Module”...
Removing the Antennas See “Removing the Battery Pack” on page 30. See “Removing the SD Dummy Card” on page 31. See “Removing the Back Cover” on page 32. See “Removing the DIMM Modules” on page 33. See “Removing the Hard Disk Drive Module” on page 34. See “Removing the Wireless WAN Module”...
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