Acer Aspire 3050 Service Guide

Chapter 493
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...

94Chapter 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 595
Top View
1 CN1 LCD Cable Connector  6 U9 ENE CB714
2 SW1-4 Quick Key Switch7 SW5-10 Touchpad Switch
3 CN2 Touchpad Board Connector 8 U7 EC PC97551
4 U6 LAN RTL8100CL 9 CN3 Keyboard Connector
5 CN4,5,28 5-in-1 Card Reader Connector
2
1
3
4
5
67
8
9
Jumper and Connector Locations
Chapter 5 

96Chapter 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 CN6 RJ45 Connector 14 CN15 RTC Connector
2 CN8 Fan Connector 15 CN16 Bluetooth Connector
3 CN11 So-Dimm Connector (4H) 16 CN18 HDD Connector
4 CN10 So-Dimm Connector (8H) 17 CN20 MDC Connector
5 CN9 Power Board Connector 18 CN21 Internal MIC Connector
6 CN7 CRT Connector 19 CN22 Internal Speaker Connector
7 U16 CPU ATHLON64 20 CN26 Line-in Jack
8 U19 North Bridge RS485...

Chapter 597
Jumper Settings/Clear BIOS Password Procedures
1.Please see the bottom side of the main board. 
2.Find G1 jumper and short the jumper to clear BIOS password. 11 U22 South Bridge SB460 24 PJ1 Battery Connector
12 CN19 PCMCIA Connector 25 SW11 Wireless Switch
13 CN13 ODD Connector 26 SW12 Bluetooth Switch
G1: CMOS clear Jumper  

98Chapter 5 

Chapter 699
This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of Aspire 3680/5570/5580. 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...

100Chapter 6
Aspire 5050/3050 Exploded Diagram 

Chapter 6101
NOTE: The FRU List is not for Aspire 5050/3050. The FRU list for Aspire 5050/3050 is not ready as the service guide 
released. We will update the FRU list as soon as we got the latest FRU list.
Aspire 5050/3050 FRU List
CategoryNo.Part Name and DescriptionAcer Part No.
Adapter
ADAPTER 65W DELTA SADP-65KB 
DBEAP.06501.007
ADAPTER 65W LITEON PA-1650-
02WRAP.06503.011
ADAPTER 65W LISHIN 
SLS0335A19A54LFAP.06506.003
Battery
BATTERY PACK LI 6CELL 2.0MAH 
SANYOBT.00603.014
BATTERY PACK LI+ 6CELL...

102Chapter 6
BLUETOOTH MODULE FOXCONN 
BCM2045
Note: The bluetooth module does 
not contain the black mylar as the 
image shows..54.TB2V1.001
BT MODULE FOXCONN BCM2045 
V0054.A74V1.003
Cables
MODEM CABLE50.TCZV1.006
LED CABLE50.TCZV1.001
TOUCHPAD CABLE50.TCZV1.002
BLUETOOTH CABLE50.TCZV1.003
POWER CORD 2.5A 125V USA 27.01518.781
POWER CORD 10A 250V 3PIN 
CHINA27.01518.591
POWER CORD 10A 125V US 27.T30V1.001
POWER CORD 7A 250V 2PIN 
KOREAN27.01518.531
POWER CORD 3A 250V 3PIN UK 27.01518.541
POWER CORD...