Acer Aspire 4315 Service Guide

							Chapter 4101
NOTE: If you cannot find a symptom or an error in this list and the problem remains, see “Undetermined 
Problems” on page 103. Modem-Related Symptoms
Symptom / ErrorCheck or do the following in sequence
Internal modem does not work correctly.
TModem phone port
TModem combo board
TMainboard 
						

							102Chapter 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 advanced diagnostic test for the mainboard 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 4103
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.  
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 89.)
Follow procedures below to isolate the failing FRU. Do not isolate non-defective FRU.
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 
TCD/DVD-ROM drive 
TPC cards
4.Power on the computer.
5.Determine if the problem has been resolved.
6.If the problem does not recur, reconnect the removed devices one at a time until you find the failed FRU.
7.If the problem persists, replace the following FRU one at a time. Do not replace a non-defective FRU.
TSystem board
TLCD assembly 
						

							104Chapter 4 
						

							Chapter 5105
System Block Diagram
System Block Diagram and Connector Locations
Chapter 5 
						

							106Chapter 5
Board Layout
Top View
#Item#Item
1 LCD connector 5 ExpressCard/54 slot
2 Internal microphone cable connector 6 USB board cable connector
3 Speaker cable connector 7 Touchpad cable connector
4 ICH8-M chipset (south bridge)  8 Keyboard cable connector 
						

							Chapter 5107
Bottom View
#Item#Item
1 Intel GL960 Express chipset (north bridge) 8 RTC battery cable connector
2 Battery cable connector 9 Modem board connector
3 AC-in jack 10 USB port
4 CPU socket 11 S-video port
5 DIMM socket 12 RJ11+RJ45 port
6 ODD connector 13 CRT port
7 HDD connector 
						

							108Chapter 5
Hardware Gap Setting
The system has a hardware gap for clearing system passwords. Refer to “Removing a System Password” on 
page 39 for instructions on how to clear passwords.
Short G67 gap to clear password. 
						

							Chapter 6109
This chapter offers the FRU (Field Replaceable Unit) list in global configuration of Aspire 4715Z/4315. Refer to 
this chapter whenever ordering the parts to repair or for RMA (Return Merchandise Authorization).
NOTE: When ordering FRU parts, check the most up-to-date information available on your regional web or 
channel. For whatever reasons a part number is changed, 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 service.
NOTE: To scrap or to return the defective parts, 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 
						

							11 0Chapter 6
Aspire 4715Z/4315 Exploded Diagram