Acer Aspire 4741 Service Guide - Page 32

Removing the Main Board 1. See "Removing the Battery Pack" on page 30. 2. See "Removing the SD Dummy Card" on page 31. 3. See "Removing the Back Cover" on page 32. 4. See "Removing the DIMM Modules" on page 33. 5. See "Removing the Hard Disk Drive Module" on page 34. 6. See "Removing the Wireless WAN Module" on page 36. 7. See "Removing the WLAN Module" on page 37. 8. See "Removing the Optical Drive Module" on page 39. 9. See "Removing the Keyboard" on page 43. 10. See "Separating the Upper Case from the Lower Case" on page 44. 11. See "Removing the LCD Module" on page 48. 12. See "Removing the USB Board Module" on page 54. 13. See "Removing the Bluetooth Module" on page 55. 14. Remove one screw (B) securing the main board in place. Size (Quantity) M2 x L3 (1) Color Black Torque 1.6 kgf-cm Part No. 86.00F80.723 Note: RTC battery has been highlighted with the yellow circle as shown in the figure above. Please detach the RTC battery and follow local regulations for disposal. Note: Circuit boards >10 cm² has been highlighted with the yellow rectangle as above image shows. Please detach the Circuit boards and follow local regulations for disposal. Chapter 3 57