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Acer Aspire 1420pt Service Guide

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Page 71

Chapter 361
Removing the Button Board
IMPORTANT: The Touchpad Board cannot be removed individually. To replace the Touchpad Board, replace the 
entire Upper Cover.
1.See “Removing the Upper Cover” on page 57.
2.Unlock the button board cable.
3.Disconnect the button board cable.
4.Pull the button board cable off the adhesive. 

Page 72

62Chapter 3
5.Remove the button board cable.
6.Unlock the touchpad cable from the button board.
7.Disconnect the touchpad cable. 

Page 73

Chapter 363
8.Pull the touchpad cable off the adhesive.
9.Unlock the touchpad cable from the touchpad.
10.Remove the touchpad cable. 

Page 74

64Chapter 3
11 .Remove the two (2) screws.
12.Remove the button board.
StepScrewQuantityScrew Type.
Button Board M2*3 2 

Page 75

Chapter 365
Removing the I/O Board
1.See “Removing the Upper Cover” on page 57.
2.Unlock the I/O cable I/O board connector. 
3.Disconnect the IO cable from the I/O board.
4.Unlock the I/O cable main board connector. 

Page 76

66Chapter 3
5.Remove the IO cable.
6.Turn the LCD module.
7.Remove the one (1) screw.
StepScrewQuantityScrew Type.
I/O Board M2*4 1 

Page 77

Chapter 367
8.Turn the LCD module.
9.Lift the inside edge of the I/O board and pull the I/O board away.
Removing the Bluetooth Module
1.See “Removing the Upper Cover” on page 57.
2.See “Removing the I/O Board” on page 65.
3.Disconnect the Bluetooth cable from the mainboard. 

Page 78

68Chapter 3
4.Disconnect the Bluetooth cable from the Bluetooth module.
5.Pry the Bluetooth module off the adhesive and remove.
Removing the LED Board
1.See “Removing the Upper Cover” on page 57.
2.Unlock the LED cable LED board connector. 

Page 79

Chapter 369
3.Disconnect the LED cable from the LED board connector.
4.Unlock the LED cable main board connector.
5.Remove the LED cable. 

Page 80

70Chapter 3
6.Remove the two (2) screws.
7.Remove the LED board.
StepScrewQuantityScrew Type.
LED Board M2*4 2 
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