Acer Aspire 3050 Service Guide

Chapter 363
Disassembly Procedure Flowchart
The flowchart on the succeeding page gives you a graphic representation on the entire disassembly sequence 
and instructs you on the components that need to be removed during servicing. For example, if you want to 
remove the system board, you must first remove the keyboard, then disassemble the inside assembly frame in 
that order.
Start
Battery
Middle CoverHDD CoverDIMM CoverH*2
P*1
HDD ModuleO*4 H*3
CPU
Lower Case
Assembly
86.9A353.3R0*2
Modem Board
Memory...

64Chapter 3
Screw List
ItemDescriptionPart Number
A SCW HEX NYL I#R-40/O#4-40 L5.5 34.00015.081
B SCREW MACH WAFER M2*L4 NI  86.00059.220 (PC Card slot 
x4)
C CPU SCREW M2.5*4.3L (2.3 KG) 86.00D01.230
D CPU SCREW M2.5*4.3L (1.55 KG) 86.00D02.230
E SCREW M2.5-6 86.9A323.6R0
F SCRW M2.5*L8(NON NYLOK) 86.9A323.8R0
G SCREW M2*3 NYLON 1JMCPC-420325 86.9A352.3R0
H SCREW 86.9A352.4R0
I SCREW M2.5*4L(NYLOCK)BLACK ZN  86.9A353.4R0
J SCREW M2.5X6   86.9A353.6R0
K SRW M2.5*8L B/ZN NYLOK 700  86.9A353.8R0
L SCRW...

Chapter 365
Removing the Battery Pack
1.Unlock the battery lock.
2.Slide the battery latch then remove the battery.
  

66Chapter 3
Removing the HDD Module/the Memory/the Wireless 
LAN Card/the Modem Board/the ODD Module and the 
LCD Module
Removing the HDD Module
1.Remove the two screws fastening the HDD cover.
2.Detach the HDD cover from the main unit.
3.Remove the screw holding the HDD module as shown.
4.Then disconnect the entire HDD module from the main unit.
Removing the Memory/the Wireless LAN Card/the Modem Board
1.Remove the two screws fastening the RAM cover.
2.Detach the RAM cover from the main unit.
3.Pop out...

Chapter 367
6.Remove the wireless LAN card from the socket.
7.Remove the two screws holidng the modem board to the main board as shown.
8.Detach the modem board from the main board then disconnect the modem board cable.
Removing the ODD Module
1.Remove one screw holding the ODD module on the bottom side.
2.Push the ODD module outwards then remove it.
Removing the LCD Module (including Keyboard)
1.Remove the two screws holding the keyboard cover to the main unit. 
2.Open the LCD 180 degree as shown....

68Chapter 3
4.Remove the two screw fastening the keyboard to the upper case.
5.Disconnect the microphone cable from the launch board.
6.Take out the wireless LAN antenna set from the guide-line as shown.
7.Disconnect the LCD cable from the main board.
8.Disconnect the lid switch cable from the main board.
.
9.If you laptop has CCD module (web camera module), please disconnect CCD cable as shown.
10.Remove four screws holding the LCD module to the upper and lower case assembly.
11 .Detach the entire LCD...

Chapter 369
Disassembling the Main Uint
Separating the Main Unit into Upper Case and Lower Case 
Assembly
1.Remove three screws fastening the upper case assembly and the lower case assembly.
2.Remove 18 screws (M2.5L6x17; M2.0L1.7x1) holding the upper assembly and the lower case assembly 
on the bottom.
3.Detach the upper case assembly from the lower case assembly.
Disassembling the Upper Case Assembly
1.Remove the two screws fastening the media board.
2.Use a tweezers or a flat-headed screwdriver to...

70Chapter 3
2.Detach the Bluetooth module from the lower case and then detach the Bluetooth cable.
3.Disconnect the speaker cable fro the main board.
4.Disconnect the microphone cable from the main board.
5.Remove the two screws fastening the main board to the lower case.
6.Carefully detach the main board from the lower case as shown.
7.Remove the two screws holding the daughter board to the main board.
8.Then detach the daughter board from the main board.
9.Disconnect the fan cable from the main board....

Chapter 371 

72Chapter 3
Disassembling the LCD Module (with video camera) 
1.Remove the six screw caps as shown.
2.Remove the six screws holding the LCD bezel.
3.Then detach the LCD bezel from the LCD module.
4.Take out the inverter from the LCD cover and disconnect the LVDS cable as shwon.
5.Disconnect the inverter cable then take out the inverter.
6.Remove five screws holding the LCD assembly to the LCD cover.
7.Take out the LCD assembly from the LCD cover.
8.Remove the screws holding the CCD module.
9.Disconnect...