Acer Aspire 9520 Service Guide

95Chapter 4
The system doesnt resume from hibernation/ 
standby mode.Connect AC adapter then check if the system resumes from 
Standby/Hibernation mode. 
Check if the battery is low.
Hard disk drive
Main board
The system doesnt resume from standby mode 
after opening the lid of the portable computer.LCD cover switch
Main board
Battery fuel gauge in Windows doesn’t go higher 
than 90%. Refresh battery (continue use battery until power off, then charge 
battery).
Battery pack
Main board
System hangs...

Chapter 496
NOTE: If you cannot find a symptom or an error in this list and the problem remains, see “Undetermined 
Problems” on page 98. 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 

97Chapter 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...

Chapter 498
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 599
Mainboard Layout
Jumper and Connector Locations
Chapter 5 

100Chapter 5
Switching Setting
SwitchFunction
SW6-1 CHK_PW&#
SW6-2 No function
SW1-3 MATRIXID 1#
SW1-4 MATRIXID 2#
MATRIXID1# 33
3D3V_S0
MATRIXID2# 33
1234
5678
SW 6
SW -D IP-4-2-U 2-GP
DY
21
G3 GAP-OPEN
C HK_PW# 16
12
34
RN16 SR N10KJ -5-GP
1
2
EC 20
SC 1000P50V3J N-GPDY
PH at ICH6M
Plz put G12 close SW1 

Chapter 5101
Clear Password
PIN Pad: Bypassing Password Check, Keep shorting G3(2 triangle pad) as above PIN pad and then powering 
on the system will force the BIOS to clear Supervisor and User passwords. That means both the power-on and 
setup passwords are all cleared. 

Chapter 6102
This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of Aspire 9510 and 
TravelMate6500. 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...

103Chapter 6
Exploded Diagram 
ItemDescriptionItemDescription
1 LCD bezel 2 LCD panel
3 LCD module 4 CAS camera upper case
5 Camera hinge 6 Camera cap
7 CCD PCB 8 Camera lower case
9 Left LCD bracket 10 Right LCD bracket
11 LCD cable 12 Middle cover
13 Upper case 14 Keyboard
15 Launch board 16 LED bracket
17 Touch pad 18 Touchpad bracket
19 Battery 20 Lower case
21 Mainboard 22 ODD
56
7
89:
21
22
23
2425
26
27
2829
2:313233
34
35
3637
38
TDBMF!! 1/411
2
3
4 

Chapter 6104
23 ODD bezel 24 HDD
25 HDD cover 26 DIMM cover
27 Inverter board
ItemDescriptionItemDescription