Acer Travelmate 270 Service Guide

							56Chapter 3
General Information
Before You Begin
Before proceeding with the disassembly procedure, make sure that you do the following:
1.Turn off the power to the system and all peripherals.
2.Unplug the AC adapter and all power and signal cables from the system.
3.Remove the battery pack.
NOTE:  TravelMate 270 series product uses mylar or tape to fasten the FFC/FPC/connectors/cable, you may 
need to tear the tape or mylar before you disconnect different FFC/FPC/connectors. 
						

							Chapter 357
Disassembly Procedure Flowchart
The flowchart on the succeeding page gives you a graphic representation on the entire disassembly sequence 
and instructs you on the components that need to be removed during servicing.  For example, if you want to 
remove the system board, you must first remove the keyboard, then disassemble the inside assembly frame in 
that order.   
  
Screw List
ItemDescription
A CPU FRAME NUT
B Screw, #4-40UNF
C Screw, M2.0X2.5NL
D Screw, M2.0X3
E Screw, M2.0X3NL
F Screw, M2.0X5
G Screw, M2.0X7 
						

							58Chapter 3
H Screw, M2.0X0.4P+3FP-ZK(NL)
I Screw, M2.5X12
J Screw, M2.5X18
K Screw, M2.5X3NL
L Screw, M2.5X4
M Screw, M2.5X5
N Screw, M2.5X7NL
O Screw, M2.5X9NL
P Screw, M3.0X3
Q Screw, TPB-1.7 3.5P-ZK(NL)
R Thermal screw with spring
S Thermal screw with white spring
ItemDescription 
						

							Chapter 359
Removing the Battery Pack
1.Press the battery lock and slide the battery latch to the right.
2.Then remove the battery.
 
  
						

							60Chapter 3
Removing the HDD Module/Memory/FDD Module/Optical Module and 
CPU
Removing the HDD Module
1.Remove the two screws that secure the HDD module.
2.Then take the HDD module away.
Removing the Memory
1.Remove the screw as shown here.
2.Remove the DIMM door.
3.Then prize out the memory with the fingures.
Removing the FDD Module
1.Remove the screw that secures the FDD module.
2.Disconnect FDD FPC.
3.Then remove the FDD module.
Removing the Optical Module
1.Remove the screw that secures the optical module.
2.Push the optical module outwards.
3.Then take out the optical module. 
						

							Chapter 361
Removing the CPU
1.Replace the screw that secure the heatsink cover.
2.Remove the heatsink cover.
3.Disconnect the fan power cable.
4.Remove the two screws that secure the fan.
5.Then remove the fan.
6.Remove the four screws as shown.
7.Then remove the heatsink.
8.Unlock the CPU lock with the flat head screwdriver.
9.Then remove the CPU 
						

							62Chapter 3 
						

							Chapter 363
Removing the LCD Module and Switch Board
Removing the LCD Module
1.Remove the two (one on each side) screws holding the middle cover.
2.Use a tool to pull the keyboard locks outwards as shown here.
3.Prize the middle cover with a plastic flat head screwdriver.
4.Unscrew the two screws as shown here.
5.Place the keyboard as the picture shows.
6.Disconnect the keyboard cable..
7.Disconnect the LCD power cable.
8.Unscrew the two screws as shown here. One on each side.
9.Then, remove the two screws as shown here. One on each side.
10.Remove the two screws holding the LCD hinges.
11.Then, remove the LCD module from the main unit. 
						

							64Chapter 3
Removing the Switch Board
1.Unscrew the two screws that secure the switch board.
2.Then remove the switch board from the main unit. 
						

							Chapter 365
Disassembling the Main Unit
Separate the main unit into the logic upper and the logic lower assembly
1.Unscrew the two screws holding the Mini PCI EMI shielding then remove it from the main unit.
2.Disconnect the audio board FFC..
3.Remove the 11 screws on the lower case.
4.Remove the 5 screws holding the upper case.
5.Disattach the logic upper form the logic lower..
Disassembling the logic upper
1.Unscrew the 7 screws holding the touchpad bracket. Then remove the touchpad bracket.
2.Disconnect the two speakers’ cable. 
3.Disconnect the touchpad FFC from the audio board.
4.Unscrew one screw as shown here. Then turn over the audio board.