Acer Travelmate 660 Service Guide

							Chapter 473
NOTE: If you cannot find a symptom or an error in this list and the problem remains, see “Undetermined 
Problems” on page 75. Modem/LAN-Related Symptoms
Symptom / ErrorAction in Sequence
Internal modem does not work correctly. Phone cable
Driver
Reconnect the Internal modem cable to the main board tightly.
Main board
Internal LAN does not work correctly Lan cable
Driver
Main board 
						

							74Chapter 4
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 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 error is detected, replace the FRU.  Rerun the test to verify that there are no more errors.  
						

							Chapter 475
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 page 65):
1.Power-off the computer.
2.Visually check them for damage. If any problems are found, replace the FRU.
3.Remove or disconnect all of the following devices:
TNon-Acer devices
TPrinter, mouse, and other external devices
TBattery pack
THard disk drive
TDIMM 
TPC Cards
4.Power-on the computer.
5.Determine if the problem has changed.
6.If the problem does not recur, reconnect the removed devices one at a time until you find the failing FRU.
7.If the problem remains, replace the following FRU one at a time. Do not replace a non-defective FRU:
TSystem board
TLCD assembly 
						

							76Chapter 4 
						

							Chapter 577
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Jumper and Connector Locations
Chapter 5 
						

							78Chapter 5
CN23 RJ45 CN11 Keyboard connector
CN23 RJ11 CN19 Swap bay connector
CN25 Power jack CON1 PCMCIA
CN24 Internal microphone connector CN5 IEEE 1394 connector
CN21 LED board connector CN1~4 USB connector
CN15 LCD cable connector CN7 FAN connector
CN19 Swap bay connector U21 CPU socket
CN17 Main battery connector 
						

							Chapter 579
Bottom View
CN35 LAN cable connector BT1 RTC battery connector
CN33 MDC connector CN27 Line-in connector
CN31 DDR Dimm 1 CN26 Microphone-in connector
CN30 Smart card connector CN28 Headphone out connector
CN32 Mini PCI connector CN37 LAN cable connector
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V54 V56
V47V45
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Z6
Z8
Z7 
						

							80Chapter 5 
						

							Chapter 681
This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of TravelMate 660 
series products. 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 Acer office may have a 
DIFFERENT part number code from those given in the FRU list of this printed Service Guide. You MUST use 
the local FRU list provided by your regional Acer office to order FRU parts for repair and service of customer 
machines.
NOTE: To scrap or to return the defective parts, you should follow the local government ordinance or 
regulations on how to dispose it properly, or follow the rules set by your regional Acer office on how to 
return it.
FRU (Field Replaceable Unit) List
Chapter 6 
						

							82Chapter 6
Exploded Diagram
The System