Acer Aspire 2420, Service Manual

Page: 92 / 170

82 Chapter 3
Removing the Speaker Modules
1. See “Removing the Battery Pack” on page 56.
2. See “Removing the SD dummy card” on page 56.
3. See “Removing the ExpressCard dummy card” on page 57.
4. See “Removing the Lower Cover” on page 57.
5. See “Removing the DIMM” on page 59.
6. See “Removing the WLAN Board Modules” on page 60.
7. See “Removing the Hard Disk Drive Module” on page 61.
8. See “Removing the Optical Drive Module” on page 63.
9. See “Removing the CPU and VGA Heatsink Module” on page 65.
10. See “Removing the CPU” on page 67.
11. See “Removing the Keyboard” on page 69.
12. See “Removing the LCD Module” on page 70.
13. See “Separating the Upper Case from the Lower Case” on page 74.
14. See “Removing the main board” on page 80.
15. Remove the four screws holding the left and right speakers.
Step Size (Quantity) Color Torque
1~4 M2 x L4 (4) Silver 1.6 kgf-cm