Acer Travelmate 620 Service Guide

Chapter 473
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
Speaker-Related Symptoms
Symptom / ErrorAction in Sequence
In Windows, multimedia programs, no sound...

74Chapter 4
NOTE: If you cannot find a symptom or an error in this list and the problem remains, see “Undetermined 
Problems” on page 76.
System hangs intermittently. See “Thermal & Fan Utility” on page 40. 
Reconnect hard disk/CD-ROM drives. 
Hard disk connection board
System board
Peripheral-Related Symptoms
Symptom / ErrorAction in Sequence
System configuration does not match the 
installed devices. Enter BIOS Setup Utility to execute “Load Default Settings”, then 
reboot system.
Reconnect hard...

Chapter 475
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...

76Chapter 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”...

Chapter 477
Index of AFlash BIOS Error Message
Error MessageAction in Sequence
Hardware Error  See “System Diagnostic Diskette” on page 40
VPD Checksum Error Reboot the system and then retest with this diskette.
BIOS Update Program Error Turn off the power and restart the system.
System Error Make sure this AFlash BIOS diskette for this model.
Without AC adapter make sure to connect AC adapter
Battery Low make sure to install a highly charged battery, and reboot 
system. 

78Chapter 4
Index of PQA Diagnostic Error Code Message
Error CodeMessageAction in Sequence
16XXX Backup battery error Backup battery
01XXX CPU or main board error Reload BIOS default setting.
System board
02XXX Memory error DIMM
System board
03XXX Keyboard error Reset Keyboard
Keyboard
System board
04XXX Video error System board
05XXX Parallel Port error System board
06XXX Serial port or main board error System board
07XXX Diskette drive error Diskette drive
System board
08XXX Hard disk error Reload BIOS...

Chapter 579
To p  Vi e w
Jumper and Connector Locations
Chapter 5 

80Chapter 5
PCB 01207-SC
SW2 Settings
CN17 Cardbus Socket CN1 IEEE 1394
CN15 FAN Connector JK1 RJ45/11
CN2 Line-in Port CN3 Line-out Port
CN4 Parallel Port CN6 Port Replicator
CN5 VGA Port SKT1 PS/2 Port
CN7 USB Port JK2 DC-in Port
CN14 USB Port CN28 RTC Battery Connector
CN8 LCD FPC Connector CN9 LED/Inverter Board Connector
CN11 Microphone in Port CN10 LCD Cover Switch Connector
CN20 Keyboard Connector CN21 TouchPad Connector
CN22 External CD/DVD-ROM Module 
ConnectorCN12 HDD Connector
CN23 Battery...

Chapter 581
Bottom View
CN4 RF Module Connector U1 FIR
CN25 Modem Connector DM2 DIMM Socket 2
CN26 Modem Connector DM1 DIMM socket 1
CN27 Modem board socket 

82Chapter 5