Acer Aspire 1690 Service Guide

							Chapter 364
Removing the ODD Module
1.Remove the three screws holding the middle cover.
2.Detach the middle cover carefully. 
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3.Turn over the keyboard as shown.
4.Disconnect the keyboard cable from the main board then remove the keyboard.
5.Remove the screw that fastens the ODD module.
6.Turn over the notebook computer then detach the ODD module carefully.
NOTE: When you reattach the ODD, please make sure you attach the ODD module completely to the main 
unit. Otherwise, you can not fasten the screw and the screw may damage the main board. 
						

							65Chapter 3
Removing the LCD Module
1.Remove the three screws holding the keyboard cover.
2.Open the LCD module as the picture shown then detach the keyboard cover from the main unit.
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3.Remove the two screws that secure the keyboard as shown.
4.Turn over the keyboard as shown and disconnect the keyboard cable then remove the keyboard.
5.Pull out the antenna set with a tweezers then take out the antenna set from the main unit.
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6.Disconnect the LCD coaxial cable.
7.Remove the four screws holding the right and the left hinge. Two on each side.
8.Then detach the LCD module from the main unit.
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							Chapter 366
Disassembling the Main Unit
Separate the Main Unit Into the Upper and the Lower Case Assembly
1.Remove the two screws holding the switch board.
2.Remove the switch board.
3.Disconnect the touchpad FFC from the main board.
4.Disconnect the bluetooth cable.
5.Remove the five screws that secure the upper case.
6.Remove the eighteen screws on the bottom as shown.
7.Detach the upper case assembly and place it next to the lower case assembly.
8.Disconnect the microphone cable then remove the upper case assembly. 
						

							67Chapter 3
Disassembling the Upper Case Assembly
1.Disconnect the touchpad board to touchpad FFC.
2.Disconnect the touchpad board to main board FFC.
3.Then detach the touchpad board to main board FFC from the touchpad board.
4.Remove the three screws that secure the touchpad board.
5.Remove the touchpad board from the upper case.
6.Disconnect the touchpad board to touchpad FFC.
7.Remove the touchpad board to touchpad FFC from the uppwer case assembly.
8.Remove the four screws holding the touchpad bracket.
9.Detach the touchpad bracket from the upper case assembly.
10.Remove the touchpad from the upper case.
11 .Remove the two screws that secure the bluetooth module.
12.Disconnect the bluetooth module then remove it. 
						

							Chapter 368
Disassembling the Lower Case Assembly
1.Disconnect the MDC cable from the modem board.
2.Detach the MDC cable from the main board.
3.Remove the two screws holding the modem board.
4.Remove the modem board from the lower case.
5.Disconnect the speaker cable from the main board.
6.Remove the two screws that secure the main board.
7.Remove the two screw nuts as shown.
8.The you can detach the main board from the upper case. 
9.Remove the three screws that secure the VGA heatsink.
10.Remove the VGA heatsink from the main board as shown.
11 .Remove the three in one cover from the lower case.
12.Remove the two screws that secure the speaker set on one side. 
						

							69Chapter 3
13.Then remove another two screws holding the speaker set on the other side.
14.Then take out the speaker set from the lower case. 
						

							Chapter 370
Disassembling the LCD Module
1.Remove the four screw caps as shown.
2.Remove the four screws holding the LCD bezel.
3.Then detach the LCD bezel from the LCD module.
4.Disconnect the inverter board then remove it.
5.Remove the three screws holding the right hinge.
6.Then remove the three screws that secure the left hinge.
7.Remove one screw that secure the LCD bracket.
8.Remove another screw holding the LCD bracket on the other side. 
9.Then detach the LCD panel from the LCD cover carefully.
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10.Remove the two screws holding the right bracket.
11 .Then remove the right bracket.
12.Remove another two screws that tighten the left bracket.  
						

							71Chapter 3
13.Remove the left bracket as the picture shows.
14.Tear off the tape fastening the LCD cable.
15.Tear off the the LCD cable fastening the LCD cable, then remove it.. 
						

							Chapter 372
Disassembling the External Modules
Disassembling the HDD Module
1.Remove the two screws holding the HDD bracket on one side.
2.Remove another two screws holding the HDD bracket on the other side.
3.Then take the hard disc drive out from the HDD bracket.
Disassembling the Optical Drive Module
1.Remove the four screws as the picture shows.
2.Remove the two screws that secure the optical disc drive and the ODD holder.
3.Push the ODD holder as shown.
4.Detach the ODD holder.
5.Disconnect the ODD connector board then remove it. 
						

							Chapter 473
Use the following procedure as a guide for computer problems.
NOTE: The diagnostic tests are intended to test only Acer products. Non-Acer products, prototype cards, or 
modified options can give false errors and invalid system responses.
1.Obtain the failing symptoms in as much detail as possible.
2.Verify the symptoms by attempting to re-create the failure by running the diagnostic test or by repeating 
the same operation.
Troubleshooting
Chapter 4