Acer Travelmate 4070 Service Guide

Chapter 486
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...

87Chapter 4
NOTE: If you cannot find a symptom or an error in this list and the problem remains, see “Undetermined 
Problems” on page 89.
System hangs intermittently. 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 disk/CD-ROM/diskette drives.
External display...

Chapter 488
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...

89Chapter 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 590
To p  V i e w
Jumper and Connector Locations
Chapter 5 

91Chapter 5
Bottom View
   
1 SW1 Lid Switch 2 CN1 LCD Connector
3 CN2 Launch Board Connector 4 CN3 Modem Connector
5 CN7 Keyboard Connector 6 CN4 Bluetooth Module Connector
7 CN5 Touchpad Board Connector 8 CN6 Internal Microphone Connector
9 U17 Clock Generator 10 U4 PCMCIA Connector
11 CN9 MDC Connector 12 CN11 Internal Speaker Connector
13 CN13 Power Jack 14 CN12 CRT Connector
15 CN14 Battery Connector 16 CN15 Optical Disk Drive Connector
17 CN17 RJ45 & RJ11 Connector 18 CN26 Wireless LAN Controller...

Chapter 592
29 U18 South Bridge 30 CN24 PCMCIA Connector
31 CN25 HDD Connector 32 CN27 USB Connector
33 CN28 Line-out/SPEDIF Jack 34 CN29 Microphone Jack
35 CN30 Line-in Jack 36 SW3 WLAN Button
37 SW2 Bluetooth Button 38 LED2 Charger LED
39 LED1 Power LED 40 U22 Audio Codec
41 U10 Fan Connector 

93Chapter 5 

Chapter 694
This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of TravelMate 4070/
4080. Refer to this chapter whenever ordering for parts to repair or for RMA (Return Merchandise 
Authorization).
Please note that WHEN ORDERING FRU PARTS, you should check the most up-to-date information available 
on your regional web or channel. For whatever reasons a part number change is made, it will not be noted on 
the printed Service Guide.  For ACER AUTHORIZED SERVICE...

95Chapter 6
TravelMate 4070/4080 Exploded Diagram
TravelMate 4070/4080 FRU List
Adapter
NS ADP 19V 3.42A PA-1650-02QR 
90~264V LFAP.06503.010
NS ADP 19V 3.42A SLS0335A19A57LF 
90~264V EUAP.06506.002
NSADP 19V 3.42A SADP-65KB DBHF 
90~264V LFAP.06501.009
Battery