Acer Aspire 5540 Service Guide

Chapter 485
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...

86Chapter 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 587
Top View
1 SW1 Switch 7 BLUE1 Bluetooth Cable Connector
2 LEDB1 LED Board Cable Connector 8 U39 LAN Connector: RTL8100CL
3 KB1 Keyboard Connector 9 RTC1 RTC Battery Connector
4 TPAD1 Touchpad Cable Connector 10 U40 Keyboard Controller: ENE CB-
1410QF
5 LCD1 LCD Cable Connector 11 SPKR1 Speaker Set Cable Connector
6 LAUNCH1 Launch Board Cable Connector
Jumper and Connector Locations
Chapter 5 

88Chapter 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 USB2 USB port 13 ODD1 ODD Connector
2 USB3 USB port 14 WIN1 Wireless LAN Card Slotr
3 USB4 USB port 15 DM1 DIMM Slot1
4 LAN1 RJ11+RJ45 (Modem Port+ Ethernet 
Port)16 DM3 DIMM Slot2
5MDCW
1Modem Cable Connector 17 U44 Keyboard Controller (RE144B)
6 CRT1 External Display Port 18 U49 BIOS ROM
7 MDC Modem Board Connector 19 U32 Audio Codec (Realtek ACL883)
8 U41 CPU Socket...

Chapter 589
Jumper Settings
PINDescription
Pin1-Pin5 On Clear Password
Pin2-Pin6 On NC
Pin3-Pin7 On KBC_MATRIX1
Pin4-Pin8 On KBC_MATRIX2 

90Chapter 5 

Chapter 691
This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of Aspire 5540/5560. 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,...

92Chapter 6
Aspire 5540/5560 Exploded Diagram
Aspire 5540/5560 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 2.0MAH 
SONYBT.00604.006
BATTERY PACK LI 6CELL 2.0MAH 
PANASONICBT.00605.002
BATTERY PACK LI+ 6CELL 2.4MAH 
SANYOBT.00603.012
BATTERY PACK LI+ 6CELL 2.4MAH...

Chapter 693
BLUETOOTH MODULE FOXCONN 
BCM2045
Note: The bluetooth module does 
not contain the black mylar as the 
image shows.54.TB2V1.001
Cables
MODEM CABLE 50.TB2V1.005
LED CABLE 50.TB2V1.003
TOUCHPAD CABLE 50.TB2V1.001
LAUNCH BOARD CABLE 50.TB2V1.002
BLUETOOTH CABLE 50.TB2V1.004
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 220V 3PIN...

94Chapter 6
POWER CORD 2.5A 250V SOUTH 
AFRICA BK27.01518.631
POWER CODE 7A 125V JAPAN 2PIN  27.03518.161
Case/Cover/Bracket/Assembly
LOWERCASE W/SPEAKER 60.TB2V1.001
Speaker
SPEAKER 23.TB2V1.001
Case/Cover/Bracket/Assembly
MIDDLE COVER 60.AA6V1.003
MIDDLE COVER (TM) 60.TB2V1.003
MINI CARD COVER  TBD
DIMM COVER 42.TB2V1.001
HDD COVER 42.TB2V1.002
CategoryNo.Part Name and DescriptionAcer Part No.