Acer Travelmate 4270 Service Guide

64Chapter 3
Removing the TV Tuner, Heatsink Module, CPU, and HDD 
Module
Remove the Heatsink Cover
1.Release the six screws securing the heatsink cover. (The six screws are attached to the heatsink cover)
2.Lift the heatsink cover up and remove it.
Remove the TV Tuner Card(for selected models)
1.Disconnect the TV tuner cable and antenna from the TV tuner card.
2.Press the left and right latch to release the TV tuner card.
3.Disconnect the TV tuner cable and antenna from the TV board.
Remove the Heatsink...

Chapter 365
3.Remove the heatsink module from the main unit.
Removing the HDD Module
1.Release the two screws securing the HDD cover. (One screw is attached to the HDD cover)
2.Remove the HDD cover.
.
3.Remove the screw securing the HDD. 
4.Holding the mylar and pull the HDD module out of the main unit.
Removing the CPU
1.Use a flat screw driver and turn the screwdriver counterclockwise to unlock the CPU.
2.Remove the CPU from the mainboard. 

66Chapter 3 

Chapter 367
Removing the Memory and Wireless Card
Remove the Memory
1.Press the latch on left and right side to pop out the memory and remove it.
2.Remove the other memory.
Removing the Wireless Card
1.Disconnect the wireless antenna from the wireless card.
2.Remove the two screws securing the wireless card.
3.Remove the wireless card from the mainboard. 

68Chapter 3
Removing the Bluetooth Module
1.Remove the screw securing the Bluetooth module.
2.Remove the Bluetooth connector from the mainboard.
3.Remove the Bluetooth cable from the Bluetooth wire groove.
4.Remove the Bluetooth module from the main unit.
5.Remove the two screws securing the Bluetooth bracket.
6.Remove the Bluetooth module from the Bluetooth bracket.
7.Disconnect the Bluetooth cable from the Bluetooth module.
  

Chapter 369
Disassembling the Main Unit into Upper Case and Lower Case
1.Disconnect the power cable from the mainboard.
1.Remove the three screws securing the middle cover on the rear panel.
2.Open the notebook.
.
3.Release the clasp of middle cover and remove the middle cover from the main unit.
4.Remove the two screws securing the keyboard.
5.Turn the keyboard over.
6.Unlatch the keyboard FFC latch and remove the keyboard from the main unit. 

70Chapter 3
7.Disconnect the LCD cable from the mainboard as shown.
8.Remove the two screws on left and right hinges.
9.Remove the LCD module from the main unit and be careful to pull the antenna out.
10.Remove the screw securing the ODD module.
11 .Push the ODD module out of the main unit.
12.Remove the five screws securing the upper case.
13.Remove the 22 screws securing the lower case. 

Chapter 371
14.Disconnect the LID switch cable from the mainboard.
15.Disconnect the audio DJ cable from the mainboard. (Aspire series only)
16.Disconnect the MDC cables.
17.Disconnect the MIC wire cable from the mainboard.
18.Unlatch the touchpad board FFC and disconnect the touchpad board FFC from the mainboard.
19.Lift up the upper case to separate the upper and lower case. 

Chapter 372
Remove the Touchpad Board
1.Remove the four screw securing the touchpad board and disconnect the touchpad FFC from touchpad 
board.
2.Remove the touchpad board from the upper case.
Remove the Second Fan(for selected model)
1.Disconnect the second fan cable from the mainboard.
2.After removing the mainboard, remove the two screws securing the second fan. 

73Chapter 3
3.Remove the second fan from the lower case.