Acer Aspire 1400 Service Guide

Chapter 355
This chapter contains step-by-step procedures on how to disassemble the notebook computer for 
maintenance and troubleshooting.
To disassemble the computer, you need the following tools:
!Wrist grounding strap and conductive mat for preventing electrostatic discharge
!Philips screw driver
!Flat blade screwdriver
!Tw e e z e r s
!Nut screwdriver
NOTE: The screws for the different components vary in size.  During the disassembly process, group the 
screws with the corresponding components to...

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.
4.The two screws that secure the power board LS-1257 on the upper case are M2.5x4. Please make sure 
you use the right screws. Otherwise, other screws that are too long may damage the main board as you 
secure the...

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.
Start
Battery
HDD
ModuleAntenna
Covers
DisconnectFDD FPC
FDD
Module
Stripe
Cover Ex2
Ex1
RAM Door
Ex4
Optical
Drive
Ex1Ex2
EMI...

58Chapter 3
  
Screw List
ItemDescription
A Screwlock, 6NUT
B Screw, M1.7X2.5L
C Screw, TPB2.0X4
D Screw, M2.5X3
E Screw, M2.5X4
F Screw, M2.5X8
GScrew, M2X3
HScrew, M2X4
IScrew, M2X6
JScrew, M3X3
Main Unit
Fx7 Ex2
Ex12 Fx5
Logic
UpperLogic
Lower
Speakers
Ex2
Main
Board
HeatsinkOptical
BracketPCMCIA
SlotD-sub
BracketModem
CardFanHx3
Ex2 Ex4
Hx4 Ix4
Ax4
CPU
CPU Support
BracketCPU Support
Plate
Ex4
Ex3
Ex4
LCD Hinge
Saddles
EMI
Shielding
Ex5
LED Board
Assy
Touchpad
Bracket
Touchpad /
Touchpad
FFC
FDD...

Chapter 359
Removing the Battery Pack
1.Slide the battery latch to the left.
2.Then remove the battery.
 
  

60Chapter 3
Removing the HDD Module/FDD Module/RAM Door and O ptical D rive
1.Remove the two screws that secure the HDD module.
2.Then take the HDD module away.
3.Disconnect the FDD FPC. Then turn out the screw that secure the FDD module. Push the FDD module 
out.
4.Turn out the four screws on the RAM door. Then remove the RAM door.
5.Next, remove the screw that secure the optical drive. Push and take the optical drive away. 

Chapter 361
Removing the LCD Module/the Power Board and the Keyboard
Removing the LCD Module
1.Remove the two (one on each side) screws holding the LCD antenna covers.
2.Then take away the antenna cover.
3.Open the LCD to an angle of 95 degree from the main unit. Then remove the strip cover (middle cover).
4.Turn out the two screws on the rear panel.One on each side.
5.Then remove the two screws on the button panel. One on the left and the other on the right.
6.Remove the screw that secure the EMI bar....

62Chapter 3
Disassembling the Main Unit
Separate the main unit into the logic upper and the logic lower assembly
1.Disconnect the FFC.
2.Disconnect the FDD FPC..
3.Remove the 7 screws on the upper case.
4.Turn out one screw on the rear panel.
5.Then remove the two (one on each side) screws on the button pane...
6.Remove the 5 screw on the right panel.
7.Then separate the logic upper from the logic lower.
Disassembling the logic upper
1.Turn out the seven holding the right and the hinge saddles. Then...

Chapter 363
3.Disconnect the LED board FFC.
4.Tear off the aluminum foil on the LEd board.
5.Remove the two screws holding the LED board assembly.
6.Then remove the two screws that secure the LED baord to the LED board bracket. Then you can remove 
the LED board from the bracket..
7.Disconnect the LED board FFC.
8.Disconnect touchpad FFC from the touchpad.
9.Slide the touchpad bracket to left then remove the touchpad bracket. Then you can remove the touchpad 
(with touchpad FFC) from the upper case....

64Chapter 3
Disassembling the logic lower
1.Pull the Dimm socket with fingers gentlely and take out the memory from the DIMM socket.
2.Release the tape that fasten the speakers’ wire.
3.Disconnect speakers’ wire.
4.Remove the two screws holding the two speakers. One on each side.Then remove the speakers.
5.Remove the two screws that secure the main board.
6.Next, take out the main board from the lower case.
7.Turn out the four screws on the main board. Then remove the optical bracket.
8.Turn out the two...