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 cover.
5. Hold the black Mylar, push the HDD detached, and remove the HDD module
 Remove the Thermal Door
1.Remove the four screws that secure the thermal door.
2.Remove the thermal door.
Remove the Thermal Module 
1.Remove the three screws that secure the thermal module.
2.Remove the thermal module. 
						

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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 antenna from the groove with wire clips as shown.
2.Disconnect the inverter cable with tweezers and remove the inverter cable from the groove.. 
						

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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 the main board with tweezers. 
						

							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 Touchpad Board and Touchpad Button Board
1.Remove three screws that secure the touchpad button board
2.Then remove the touchpad button board
3.Remove three screws that secure the touchpad support.
4.Remove the touchpad support from the upper case.
        
						

							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. 
						

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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 main fan cable from the main board.
3.Remove four screws that secure the main and secondary fan cover.
4.Remove the secondary fan cover.
5.Remove the main fan cover. 
						

							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 and detach the LCD bezel carefully.
4.Disconnect the inverter cable with tweezers and remove the inverter cable from the groove
5.Remove one screw that secures the inverter board.
6.Pull up the inverter board 
						

							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 bracket.
16.Remove four screws that secure the left LCD bracket
17.Then remove the left LCD bracket. 
						

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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 unit without any power sources.
4.If any problem occurs, you can perform visual inspection before you fellow this chapter’s instructions. You 
can check the following:
power cords are properly connected and secured;
there are no obvious shorts or opens;
there are no obviously burned or heated components;
all components appear normal.
5.Use the following table with the verified symptom to determine which page to go to.
Symptoms (Verified)Go To
Power failure. (The power indicator does not go 
on or stay on.)“Power System Check” on page 66
POST does not complete. No beep or error 
codes are indicated.“Power-On Self-Test (POST) Error Message” on 
page 69
“Undetermined Problems” on page 80
POST detects an error and displayed messages 
on screen.“Index of Error Messages” on page 70
Other symptoms (i.e. LCD display problems or 
others).“Power-On Self-Test (POST) Error Message” on 
page 69
Symptoms cannot be re-created (intermittent 
problems).Use the customer-reported symptoms and go to 
“Power-On Self-Test (POST) Error Message” on 
page 69
“Intermittent Problems” on page 79
“Undetermined Problems” on page 80
Troubleshooting
Chapter 4