Acer Aspire 9300 Service Guide

91Chapter 4
NOTE: If you can not correct the problems according to  the anterior tables, see “Undetermined Problems”.
Touchpad does not work. Reconnect touchpad cable.
Touchpad board
System board
Modem-Related Symptoms
Symptom/ErrorAction in Sequence
Internal modem does not 
work correctly. Modem phone port
modem combo board
System board
Keyboard/Touchpad-Related Symptoms
Symptom/ErrorAction in Sequence 

Chapter 492
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 problems, follow the procedures below:
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...

93Chapter 4
Undetermined Problems
The diagnostic problems does not identify which devices fail, which devices are incorrectly 
installed, whether a short circuit happens, or whether the system is inoperative.
NOTE:  Verify if all devices attached  are supported by the computer.
NOTE:  Verify if the power supply used at the time of fa ilure is operating correctly. You can refer to “Power 
System Check”.
Follow the procedures below to  isolate the failing FRU. Do not isolate non-defective FRU.
1.Power off...

Chapter 594
Top View
No.DescriptionNo. Description
1 DC-in jack 2 USB connector
3 CRT connector 4 RJ11 & RJ45 connector
5 MDC module cable connector 6 MDC board connector
7 Main battery connector 8 ODD connector
9 Mini PCI slot 10 North bridge
11 C P U 1 2 D I M M  s l o t
Jumper and Connector Location
Chapter 5 

95Chapter 5
13 South bridge 14 HDD connector
15 Line-in jack 16 Microphone-in jack
17 Line-out jack 18 Cardbus controller
19 USB connector 20 BIOS ROM
21 RTC battery connector 22 5-in-1 card reader
No.DescriptionNo. Description 

Chapter 596
Bottom View
ItemDescriptionItemDescription
1 Keyboard controller 2 Keyboard connector
3 Lid switch connector 4 System fan connector
5 PCMCIA card reader 6 Function key board connector
7 Touch pad board connector 8 Speaker connector
9 Bluetooth module connector 10 LCD cable connector 

97Chapter 5
Switch Setting
Short G3 to clear password.
MAT RI X ID 1 #
33
3D 3V_S0
MAT RI X ID 2 #
33
1234
5678
SW 6
SW -DI P-4-2-U 2-GP
62.40013. 061
DY
PSW _CLR #
16
12
34
RN13
SR N10KJ -5-GP
1
2
EC 20
SC 1000P50V3JN -GPDY
21G3
GAP-OPEN
SB  GPIO 

Chapter 598
Password Bypassing & BIOS Recovery
For RD and CSD to debug easilly, AS7000/9300 &TM7510provides one hardware  PIN pad for bypassing 
Password Check, and one Hotkey to enable BIOS Recovery.
1.PIN pad: To short PIN pad to bypass password check.
2. Hotkey to enabe BIOS Recovery: Fn+ESC, then  Power Button, AC+DC coexistence is strongly 
recommended.
Bypassing Password Check: If the user has set Password ( power-on or setup password) for 
security reason, BIOS will check password duri ng POST or...

99Chapter 5
Choice what kind of the password to be generated:
0) Exit
1) Scan code
2) Upper case ASCII Code
3) Lower case ASCII Code
Enter your choice  2    

Chapter 6100
This chapter offers the FRU (Field Replaceable Unit) list in global configuration of Aspire 9300/ 
7000
&TM7510. Refer to this chapter whenever ordering the parts to repair or for RMA (Return Merchandise 

Authorization).
Please note that when ordering FRU parts, yo u should check the most up-to-date information 
available on your regional web or channel. For what ever reasons a part number is changed, it will 
NOT be noted on the printed service guide. For Acer  authorized service...