Acer Aspire 4715z 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...

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...

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...

11 0Chapter 6
Aspire 4715Z/4315 Exploded Diagram