Acer Travelmate 4520 Service Guide

Chapter 481
Undetermined Problems
Undetermined problems are those for which diagnostic tests cannot identify the cause. This may be a failure to 
detemine which adapter or device failed, which installed device is malfunctioning, a short circuit is suspected, 
or when the system is inoperative.  
IMPORTANT: Verify that all attached devices are supported by the computer, and that power supply to the 
computer is good.
Follow these procedures to isolate the failing FRU (do not isolate non-defective FRU)....

82Chapter 4
Online Support Information
This section describes online technical support services available to help you repair your TravelMate 
notebook.
If you are a distributor, dealer, ASP or TPM, please refer your technical queries to your local Acer branch 
office. Acer Branch Offices and Regional Business Units may access our website at http://global.acer.com/
support/index. However some information sources will require a user ID and password. These can be obtained 
directly from Acer CSD Taiwan....

Chapter 583
System Block Diagram 
System Block Diagram and Board Layout
Chapter 5
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84Chapter 5
System Board Layout
This section shows the top and bottom layout of the TravelMate 4520 system board. 
Top View  
ItemCodeDescription
1 LCD1 LCD-CCD cable connector
2 LID1 Notebook lid connector
3 CN1 PC card slot
4U40???
5 RTC1 CMOS battery (RTC battery)
6 CRB1 Card reader board connector
7 SPKR1 Speaker cable connector
8 BLUE1 Bluetooth board cable connector
9 FP1 Fingerprint board cable connector
10 TPAD1 Touchpad board cable connector
11 INTMIC1 Internal microphone cable connector
12...

Chapter 585
Bottom View
ItemCodeDescription
1 MDC1 Modem board connector
2 BAT1 Battery pack connector
3 ODD1 Optical drive connector
4 DMI soDIMM slots
5 U57 ATI M690G chipset
6 MINIC1 WLAN board slot
7U72???
8 SATA1 Hard drive connector
9 U52 Processor socket
10 U53???
11 FAN1 Fan cable connector
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86Chapter 5
System Switch
If you have enabled the Password on Boot field and you forget the supervisor password, you will not be able to 
boot up the computer. Your TravelMate notebook has a hardware pin (G41) for clearing a lost supervisor 
password. Go to page 20 for related instructions. 
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Chapter 687
This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of Aspire 5910. 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 PROVIDERS, your...

88Chapter 6
Aspire 5910 Exploded Diagram 
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Chapter 689
TravelMate 4520 FRU List
CategoryNo.Part Name and DescriptionAcer Part No.
Audio-related 
 
Boards
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90Chapter 6
Cables
CategoryNo.Part Name and DescriptionAcer Part No.
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