Acer Aspire 1670 Service Guide

55Chapter 3
Standard Disassembly Procedure
This section tells you how to disassemble the system when you need to perform system service. Please also 
refer to the disassembly video, if available. 
CAUTION: Before you proceed, make sure you have turned off the system and all peripherals connected to it. 
Disassemble the Battery and HDD
1. Now let’s begin to disassemble the main unit.
2. Slide the battery latch and remove the battery.
3. Remove two screws that secure the HDD cover.
4. Remove the HDD...

Chapter 356
Remove the CPU
1.Remove one screw that secures the CPU.
2.Remove the CPU.
Remove the ODD module
1.Remove one screw that secures the ODD.
2.Pull out the ODD module and remove it.
Remove Middle Cover and Keyboard
1.Release the middle cover hinge and remove the middle cover.
2.Remove two screws the secure the keyboard.
3.Pull the keyboard outward then turn over the keyboard.
4.Disconnect the keyboard cable with tweezers and remove the keyboard.
Disconnect Wireless antenna 
1.Remove wireless...

57Chapter 3
Remove the LCD module
1.Remove the two screws that secure the LCD hinge on both side.
2.Remove the screw that secure the LCD on each side of the rear of the main unit.
3.Pull the LCD module upward and remove it.
Remove Memory
1.Press the latch on left and right side and pop up the memory.
2.Then remove the memory
Remove the Touchpad FFC and Bluetooth cable
1. Release touchpad FFC latch with tweezers and disconnect the touchpad FFC from the main board.
2. Disconnect the Bluetooth cable from...

Chapter 358
Remove the Upper Case
1. Remove five screws that secure the upper case.
2. Remove eighteen screws that secure the lower case.
3.Detach the upper case from the lower case assembly.
Disconnect the Touchpad FFC and Touchpad 
1.Lift the touchpad FFC latch and disconnect the touchpad FFC from the touchpad board.
2. Disconnect the other side of the touchpad FFC from the touchpad button board.
3. Release another touchpad FFC latch and disconnect the touchpad FFC from the touchpad button board
Remove...

59Chapter 3
5.Push the touchpad upward. 
6. Slide the touchpad out of the upper case. 
Remove BlueTooth
1.Remove two screws that secure the Bluetooth module.
2. Remove the Bluetooth module from the upper case
Remove the MDC
1.Disconnect the MDC cable from the main board.
2. Remove two screws that secure the MDC.
3. Remove the MDC from the main board.
4. Then disconnect the cabel from the MDC. 

Chapter 360
Removing the Main Board Support Bracket
1.Remove four screws that secure the main board support bracket.
2.Then remove the main board support bracket from the main board 
Disassemble the Main Board
1.Remove night screws that secure the main board.
2.Remove two screws on the rear that secure the VGA connector.
3.Press the lower case outward a little bit and remove the main board from the lower case.
Disassemble  the system fan
1.Remove the Secondary fan cable from the main board.
2.Remove the...

61Chapter 3
6.Remove six screws that secure the main and secondary fan.
7.Remove the secondary fan from the lower case.
8.Remove the main fan from the lower case.
Remove the Speaker Set
1.Disconnect the speaker set cable from the main board.
2.Remove the screw that secure the speaker set on both side.
3.Remove the speaker from the lower case.
Disassemble the LCD module
1. Detach four screw caps as shown.
2.Remove four screws that secure the LCD bezel.
3.Snap off the snaps of the LCD bezel with fingers...

Chapter 362
7.7. Disconnect the inverter power cable and the LVDS cable from the inverter board.
8.Remove four screws that secure the LCD.
9.Remove the LCD from the LCD cover.
10. Uncover the antenna cable.
11 .Remove one screw that secures the left antenna bracket.
12.Remove one screw that secures the right antenna bracket
13.Remove right and left antenna brackets and take off the antenna cable from the LCD cover.
14.Remove four screws that secure the right LCD bracket.
15.Then remove the right LCD...

63Chapter 3
18.Tear off the Mylar then disconnect the LCD LVDS cable.
Disassemble ODD module
1.Remove the three screws that secure the ODD bracket.
2.Then remove the ODD bracket.
Disassemble HDD module
1.Remove the two screws secure the HDD holder on one side.
2.Remove the two screws secure the HDD holder on the other side.
3.Take the HDD off the HDD holder. 

Chapter 464
Use the following procedure as a guide for computer problems.
NOTE: The diagnostic tests are intended to test this model. Non-Acer products, prototype cards, or modified 
options can give false errors and invalid system responses.
1.Duplicate symptom and obtain the failing symptoms in as much detail as possible.
2.Distinguish symptom. Verify the symptoms by attempting to re-create the failure by running the diagnostic 
test or by repeating the same operation.
3.Disassemble and assemble the...