Acer Travelmate 2470 Service Guide

							Chapter 373
11 .Remove the two screws holding the speaker set.
12.Take out the speaker set from the lower case.
13.Remove the three screws fastening the system fan.
14.Detach the fan from the lower case.
15.Disconnect the RTC battery cable then detach the RTC battery.
16.Disconnect the launch board FFC from the main board.
17.Disconnect the modem cable from the main board.
18.Disconnect the modem board from the main board.
19.Disconnect the modem cable from the modem board as shown. 
						

							74Chapter 3
20.Remove the five screws fastening the heatsink.
21.Remove the heatsink from the main board.
22.Use a flat-headed screwdriver to release the CPU socket lock.
23.Remove the CPU from the CPU socket carefully.
Disassembling the Upper Case Assembly
1.Remove the two screws fastening the LED board.
2.The remove the LED board from the upper case assembly carefully.
3.Disconnect the LED board FFC from the LED board.
4.Disconnect the touchpad FFC then remove it. 
						

							Chapter 375
5.Remove the four screws fastening the touchpad bracket.
6.Remove the touchpad bracket (with touchpad).
7.Detach the touchpad from the touchpad bracke.t 
						

							76Chapter 3
Disassembling the LCD Module (with video camera) 
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.Remove the two screws fastening the LCD inverter.
5.Take out the LCD inverter from the LCD cover, then disconnect the LCD cable from the inverter.
6.Remove the two screws holding the digital camera to the LCD panel.
7.Detach the CCD panel from the CCD bezel assembly. 
8.Disconnect digital camera to LCD cable as shown.
9.Remove the two screws fastening the CCD.
10.Take out the CCD from the CCD bezel.
11 .Then remove the CCD hinge from the CCD bezel.
12.Slide the CCD latch to the right to remove the CCD latch.
NOTE: The edges of the CCD latch is very fragile, please practice this step very carefully. 
						

							Chapter 377
13.Take out the LCD assembly from the LCD panel.
14.Disconnect the LCD cable from the LCD.
15.Tear off the tape fastening the LCD cable and detach the LCD cable from the LCD.
16.Remove the two screws holding the wireless antenna set to the LCD panel.
17.Take out the wireless antenna set from the LCD panel.
18.Remove the two screws holding the LCD hinges then remove the hinges.
19.Remove the four screws fastening the LCD right bracket.
20.Remove the right bracket from the LCD.
21.Remove the four screws fastening the LCD left bracket.
22.Remove the left bracket from the LCD. 
						

							78Chapter 3 
						

							Chapter 379
Disassembling the External Modules
Disassembling the HDD Module
1.Remove the four screws fastening the HDD bracket.
2.Remove the HDD bracket.
Disassembling the ODD Module
1.Remove the two screws holding the ODD fix holder bracket.
2.Then remove the ODD fix holder bracket. 
3.Reove the two screws fastening the ODD rail bracket then remove the rail bracket. 
						

							80Chapter 3 
						

							Chapter 481
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.
3.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 83.
POST does not complete. No beep or error 
codes are indicated.“Power-On Self-Test (POST) Error Message” on 
page 86
“Undetermined Problems” on page 98
POST detects an error and displayed messages 
on screen.“Error Message List” on page 87
Other symptoms (i.e. LCD display problems or 
others).“Power-On Self-Test (POST) Error Message” on 
page 86
Symptoms cannot be re-created (intermittent 
problems).Use the customer-reported symptoms and go to 
“Power-On Self-Test (POST) Error Message” on 
page 86
“Intermittent Problems” on page 97
“Undetermined Problems” on page 98
Troubleshooting
Chapter 4 
						

							82Chapter 4
System Check Procedures
External Diskette Drive Check
Do the following to isolate the problem to a controller, driver, or diskette. A write-enabled, diagnostic diskette is 
required.
NOTE: Make sure that the diskette does not have more than one label attached to it. Multiple labels can cause 
damage to the drive or cause the drive to fail. 
Do the following to select the test device.
1.Boot from the diagnostics diskette and start the diagnostics program.
2.See if FDD Test is passed as the program runs to FDD Test.
3.Follow the instructions in the message window.
If an error occurs with the internal diskette drive, reconnect the diskette connector on the system board.
If the error still remains:
1.Reconnect the external diskette drive/DVD-ROM module.
2.Replace the external diskette drive/CD-ROM module.
3.Replace the main board.
External CD-ROM Drive Check
Do the following to isolate the problem to a controller, drive, or CD-ROM. Make sure that the CD-ROM does 
not have any label attached to it. The label can cause damage to the drive or can cause the drive to fail.
Do the following to select the test device:
1.Boot from the diagnostics diskette and start the diagnostics program.
2.See if CD-ROM Test is passed when the program runs to CD-ROM Test.
3.Follow the instructions in the message window.
If an error occurs, reconnect the connector on the System board. If the error still remains:
1.Reconnect the external diskette drive/CD-ROM module.
2.Replace the external diskette drive/CD-ROM module.
3.Replace the main board.
Keyboard or Auxiliary Input Device Check
Remove the external keyboard if the internal keyboard is to be tested.
If the internal keyboard does not work or an unexpected character appears, make sure that the flexible cable 
extending from the keyboard is correctly seated in the connector on the system board.
If the keyboard cable connection is correct, run the Keyboard Test. 
If the tests detect a keyboard problem, do the following one at a time to correct the problem. Do not replace a 
non-defective FRU:
1.Reconnect the keyboard cables.
2.Replace the keyboard.
3.Replace the main board.
The following auxiliary input devices are supported by this computer:
TNumeric keypad
TExternal keyboard