Acer Aspire S3 Ms2346 Service Guide

Machine Maintenance3-7
Disassembly Process0
The flowchart provided in this disassembly section illustrate the entire disassembly sequence. 
Observe the order of the sequence to avoid damage to any of the hardware components. For 
example, if you want to remove the WLAN/M-S ATA board, you must first remove the battery 
pack, then the WLAN module, in that order.
Figure 3-2. Disassembly Flowchart
Table 3-2. Screw List
StepScrewQuantityAcer Part Number
Lower Case Disassembly M2 x L4.512 86.EA552.4R5 
Battery...

3-8Machine Maintenance
Mainboard DisassemblyM2 x L31 86.00E14.523
RTC Battery Disassembly -- -
WLAN Board Disassembly -- -
Keyboard Disassembly M1.4 x L1.229 86.EA322.2R0
Middle Cover Disassembly M2 x L34 86.00E14.523
LCD Module Disassembly M2 x L4.54 86.EA552.4R5 
Table 3-2. Screw List
StepScrewQuantityAcer Part Number 

Machine Maintenance3-9
Removing the Lower Case0
1. Remove the twelve screws securing the lower case. 
Figure 3-3. Lower Case Screws
2. Gently lift the lower case and lay it down beside the main unit. 
Figure 3-4. Lower Case
Table 3-3. Screws
StepScrewQuantityScrew Type
Lower Case Disassembly
M2 x L4.512 

3-10Machine Maintenance
Removing the Battery Pack0
1. Perform the “Removing the Lower Case ” procedure described on page 3-9.
2. Remove the two screws securing the left speaker to the upper case.
Figure 3-5. Left Speaker Screws
3. Lift the left speaker off the upper case and temporarily place it at the side of the right  speaker.
Figure 3-6. Left Speaker
Table 3-5. Screws
StepScrewQuantityScrew Type
Left Speaker Module Disassembly M1.4 x L3
2 

Machine Maintenance3-11
4. Lift the DC-In & Power cable off the battery pack.
Figure 3-7. DC-In & Power Cable
5. Remove the two screws securing the battery pack to the upper case.
Figure 3-8. Battery Pack Screws
Table 3-8. Screws
StepScrewQuantityScrew Type
Battery Pack Disassembly M2 x L4.52 

3-12Machine Maintenance
6. Lift the battery pack off its socket in the upper case then slide it a few millimeters away 
from the mainboard ( 1). Disconnect the battery cable from the WLAN board ( 2).
Figure 3-9. Battery Cable
7. Detach the battery pack from the upper case.
Figure 3-10. Battery Pack
NOTE:NOTE :
The battery has been highlighted with the yellow border in  Figure 3-10. Remove the 
battery and follow local regulations for disposal.  

Machine Maintenance3-13
Removing the Left and Right Speakers0
1. Perform the “Removing the Lower Case ” procedure described on page 3-9.
2. Perform the “ Removing the Battery Pack ” procedure described on page 3-10.
3. Remove the two screws securing the right speakers to the upper case ( 1). 
Figure 3-11. Right Speaker Screws and Adhesive Tape
4. Release the speaker cable from the adhesive tape securing it ( 2).
5. Detach the right speaker from the upper case.
Figure 3-12. Right Speaker
Table 3-11....

3-14Machine Maintenance
6. Disconnect the speaker’s cable from the mainboard.
Figure 3-13. Speaker Cable 

Machine Maintenance3-15
Removing the WLAN Module0
1. Perform the “Removing the Lower Case ” procedure described on page 3-9.
2. Perform the “ Removing the Battery Pack ” procedure described on page 3-10.
3. Unplug the two antenna cables from the WLAN module. 
Figure 3-14. WLAN Module Antennas
IMPORTANT :+
For reference during machine reassembly, note which cable color 
corresponds to the ma in (black) and auxiliary (white) connectors. 
4. Release the antenna cables from the adhesive tapes securing it....

3-16Machine Maintenance
5. Remove the screw securing the WLAN module to the WLAN/M-SATA board. 
Figure 3-16. WLAN Module Screw
6. Detach the WLAN module from the slot.
Figure 3-17. WLAN Module
NOTE:NOTE :
A circuit board that is > 10cm2 has been highlighted with a yellow rectangle in 
Figure 3-17. Follow the local regulations for disposing this type of circuit board.
Table 3-16. Screw
StepScrewQuantityScrew Type
WLAN Module Disassembly M2 × L3
1