Acer Aspire 4715z Service Guide

Chapter 371
16.Remove the screw (A) on the USB board. 
17.Remove the USB board.
Removing the Mainboard
1.See “Removing the Battery Pack” on page 49.
2.See “Removing the Express Dummy Card” on page 49.
3.See “Removing the Lower Cover” on page 50.
4.See “Removing the DIMM” on page 51.
5.See “Removing the WLAN Board Module” on page 52.
6.See “Removing the Hard Disk Drive Module” on page 53.
7.See “Removing the Optical Drive Module” on page 54.
8.See “Removing the CPU Heatsink Module” on page 57.
9.See...

72Chapter 3
16.Remove the screw (A) holding the mainboard to the lower case. 
17.Carefully detach the mainboard from the lower case.
Removing the Modem Board 
1.See “Removing the Battery Pack” on page 49.
2.See “Removing the Express Dummy Card” on page 49.
3.See “Removing the Lower Cover” on page 50.
4.See “Removing the DIMM” on page 51.
5.See “Removing the WLAN Board Module” on page 52.
6.See “Removing the Hard Disk Drive Module” on page 53.
7.See “Removing the Optical Drive Module” on page 54.
8.See...

Chapter 373
17.Disconnect the modem cable from the mainboard.
18.Detach the masking tape from the mainboard.
19.Remove the two screws (I) on the modem board. 
StepSize (Quantity)ColorTo r q u e
1~2 N/A Black 1.6 kgf-cm 

74Chapter 3
20.Detach the modem board from the mainboard. 
Removing the RTC Battery
1.See “Removing the Battery Pack” on page 49.
2.See “Removing the Express Dummy Card” on page 49.
3.See “Removing the Lower Cover” on page 50.
4.See “Removing the DIMM” on page 51.
5.See “Removing the WLAN Board Module” on page 52.
6.See “Removing the Hard Disk Drive Module” on page 53.
7.See “Removing the Optical Drive Module” on page 54.
8.See “Removing the CPU Heatsink Module” on page 57.
9.See “Removing the CPU” on...

Chapter 375
18.Carefully detach the RTC battery from the SD card slot. 

76Chapter 3
LCD Module Disassembly Process
LCD Module Disassembly Flowchart
Main Screw List
ItemScrew SizePart No.
G M2.5 x L6  86.00E33.736
H M2 x L3  86.00C07.220 

Chapter 377
Removing the LCD Bezel
1.See “Removing the Battery Pack” on page 49.
2.See “Removing the Lower Cover” on page 50.
3.See “Removing the DIMM” on page 51.
4.See “Removing the WLAN Board Module” on page 52.
5.See “Removing the Hard Disk Drive Module” on page 53.
6.See “Removing the Optical Drive Module” on page 54.
7.See “Removing the CPU Heatsink Module” on page 57.
8.See “Removing the CPU” on page 58.
9.See “Removing the Keyboard” on page 59.
10.See “Removing the Middle Cover” on page 60.
11...

78Chapter 3
14. Carefully pry open the LCD bezel and remove the bezel from the LCD module. 
Removing the Camera Board
1.See “Removing the Battery Pack” on page 49.
2.See “Removing the Lower Cover” on page 50.
3.See “Removing the DIMM” on page 51.
4.See “Removing the WLAN Board Module” on page 52.
5.See “Removing the Hard Disk Drive Module” on page 53.
6.See “Removing the Optical Drive Module” on page 54.
7.See “Removing the CPU Heatsink Module” on page 57.
8.See “Removing the CPU” on page 58.
9.See...

Chapter 379
14.Remove the camera board.
Removing the Inverter Board
1.See “Removing the Battery Pack” on page 49.
2.See “Removing the Lower Cover” on page 50.
3.See “Removing the DIMM” on page 51.
4.See “Removing the WLAN Board Module” on page 52.
5.See “Removing the Hard Disk Drive Module” on page 53.
6.See “Removing the Optical Drive Module” on page 54.
7.See “Removing the CPU Heatsink Module” on page 57.
8.See “Removing the CPU” on page 58.
9.See “Removing the Keyboard” on page 59.
10.See “Removing...

80Chapter 3
15.Turn the inverter board over.  
16.Disconnect the 2P cable from the inverter board, then disconnect the inverter board cable from its 
connector.
17.Remove the inverter board.
Removing the LCD with Brackets
1.See “Removing the Battery Pack” on page 49.
2.See “Removing the Lower Cover” on page 50.
3.See “Removing the DIMM” on page 51.
4.See “Removing the WLAN Board Module” on page 52.
5.See “Removing the Hard Disk Drive Module” on page 53.
6.See “Removing the Optical Drive Module” on page...