Acer Travelmate 2470 Service Guide

Chapter 493
D2h Unknown interrupt
CodeBeeps
E0h Initialize the chipset
E1h Initialize the bridge
E2h Initialize the CPU
E3h Initialize the system timer
E4h Initialize system I/O
E5h Check force recovery boot
E6h Checksum BIOS ROM
E7h Go to BIOS
E8h Set Huge Segment
E9h Initialize Multi Processor
EAh Initialize OEM special code
EBh Initialize PIC and DMA
ECh Initialize Memory type
EDh Initialize Memory size
EEh Shadow Boot Block
EFh System memory test
F0h Initialize interrupt vectors
F1h Initialize Run...

94Chapter 4
Index of Symptom-to-FRU Error Message
LCD-Related Symptoms
Symptom / ErrorAction in Sequence
LCD backlight doesnt work
LCD is too dark
LCD brightness cannot be adjusted
LCD contrast cannot be adjustedEnter BIOS Utility to execute “Load Setup Default Settings”, then 
reboot system.
Reconnect the LCD connectors.
Keyboard (if contrast and brightness function key doesnt work).
LCD inverter ID
LCD cable
LCD inverter
LCD
System board
Unreadable LCD screen 
Missing pels in characters
Abnormal screen...

Chapter 495
Battery can’t be charged See “Check the Battery Pack” on page 85. 
Battery pack
System board
PCMCIA-Related Symptoms
Symptom / ErrorAction in Sequence
System cannot detect the PC Card (PCMCIA)  PCMCIA slot assembly
System board
PCMCIA slot pin is damaged. PCMCIA slot assembly
Memory-Related Symptoms
Symptom / ErrorAction in Sequence
Memory count (size) appears different from 
actual size.Enter BIOS Setup Utility to execute “Load Default Settings, then 
reboot system.
DIMM
System board...

96Chapter 4
NOTE: If you cannot find a symptom or an error in this list and the problem remains, see “Undetermined 
Problems” on page 98.
Battery fuel gauge in Windows doesn’t go higher 
than 90%. Remove battery pack and let it cool for 2 hours.
Refresh battery (continue use battery until power off, then charge 
battery).
Battery pack
System board
System hangs intermittently. Reconnect hard disk/CD-ROM drives. 
Hard disk connection board
System board
Peripheral-Related Symptoms
Symptom / ErrorAction in...

Chapter 497
Intermittent Problems
Intermittent system hang problems can be caused by a variety of reasons that have nothing to do with a 
hardware defect, such as: cosmic radiation, electrostatic discharge, or software errors. FRU replacement 
should be considered only when a recurring problem exists.
When analyzing an intermittent problem, do the following:
1.Run the advanced diagnostic test for the system board in loop mode at least 10 times.
2.If no error is detected, do not replace any FRU.
3.If any...

98Chapter 4
Undetermined Problems
The diagnostic problems does not identify which adapter or device failed, which installed devices are incorrect, 
whether a short circuit is suspected, or whether the system is inoperative.  
Follow these procedures to isolate the failing FRU (do not isolate non-defective FRU).
NOTE: Verify that all attached devices are supported by the computer.
NOTE: Verify that the power supply being used at the time of the failure is operating correctly. (See “Power 
System Check” on...

Chapter 599
Top View
1 CVR1 LID switch 8 BTBTN1 Bluetooth launch switch
2 MIC1 Microphone cable connector 9 SPK1 Speaker set cable
3 LCD1 LCD cable connector 10 BT1Bluetooth module cable connector
4 U38 Cardbus controller (ENE CB-1410) 11 LEDB1 LED FFC connector
5 U43 LAN controller (Realtek 
RTL8100CL)12 TAPD1 Touchpad cable connector
6 N/A Card reader controller (Ricoh 
R5C832)13 KB1 Keyboard cable connector
7 WLBTN1 Wireless launch switch
Jumper and Connector Locations
Chapter 5 

100Chapter 5
Bottom View
NOTE: This is engineering sample. The image above may not be exactly the same as the real main board you 
get.
1 DCIN1 DC-in jack 14 USB3 USB port
2 CRT1 External display port 15 U67 Audio codec (Reltek ALC833)
3 N/A Modem cable connector 16 LIN1 Line-in jack
4 MDC1 Modem board connector 17 MIC2 Microphone jack
5 BAT1 Battery connector 18 LOUT1 Headphone/speaker/line-out jack
6 CDROM1 ODD module connector 19 HDD1 HDD module connector
7 FAN1 System fan connector 20-
21USB1 USB...

Chapter 5101
Jumper Settings/Clear BIOS Password Procedures
1.Remove the DIMM cover and the lower DDR2 memory module, then find out the G96 position on the main 
board. Please just the lower DDR2 memory module, you will need the upper DDR2 memory module to 
boot up the system. (You should tear off the mylar to see G96).
2.Use a tweezers or a screwdriver to short the G96 pad and remain the short status.
3.Power on the system until POST is completed. Then you can release the tweezers or screwdriver. The...

102Chapter 5