Acer Aspire S3 Ms2346 Service Guide

Machine Maintenance3-47
Replacing the Power Button Board0
1. Insert the power button board in its slot in the middle cover (1), then secure it using 
adhesive tapes ( 2).
Figure 3-73. Power Button Board 
2. Connect the power button cable to the mainboard ( 1), then press the connector latch ( 2) 
until it locks into place.
Figure 3-74. Power Button Cable  

3-48Machine Maintenance
Replacing the Keyboard0
1. Place the keyboard in its slot in the upper case.
Figure 3-75. Keyboard 
2. Secure the keyb oard to the upper case using twenty nine screws.
Figure 3-76. Keyboard Screws
Table 3-76. Screws
StepScrewQuantityScrew Type
Keyboard Reassembly M1.4 × L1.229 

Machine Maintenance3-49
3. Secure the keyboard to the upper case using adhesive tape.
Figure 3-77. Keyboard 
4. Fix the LCD cable to the upper case.
Figure 3-78. LCD Cable
IMPORTANT :+
Make sure that the LCD cable is  installed as highlighted in Figure 3-78 to 
avoid damaging the LCD cable. 

3-50Machine Maintenance
Replacing the WLAN Board0
NOTE:NOTE:
For models that have M-SATA board installed, please proceed to page  3-51, “ Replacing 
the M-SATA Board. ”.
1. Place the WLAN board in its slot in the upper case.
Figure 3-79. WLAN Board
2. Connect the WLAN & mini 1 cables ( 1) to the WLAN board, then press the connector latch 
( 2 ) until it locks into place.Connect the power cable to the WLAN board ( 3).
Figure 3-80. WLAN, Mini 1 & Power Cables 

Machine Maintenance3-51
Replacing the M-SATA Board.0
1. Place the M-SATA board in its slot in the upper case.
Figure 3-81. M-SATA Board
2. Connect the WLAN & mini 1 cables ( 1) to the M-SATA board, then press the connector 
latch ( 2) until it locks into place.
Figure 3-82. WLAN & Mini 1 Cables 

3-52Machine Maintenance
Replacing the RTC Battery0
1. Secure the RTC battery to the bottom of the mainboard using self adhesive tape.
Figure 3-83. RTC Battery
2. Connect the RTC battery cable to the mainboard.
Figure 3-84. RTC Battery Cable 

Machine Maintenance3-53
Replacing the Thermal Module0
1. Place the thermal module in its slot in the mainboard. 
Figure 3-85. Thermal Module
2. Secure the thermal module using the spring-loaded captive screws. Follow the screw  sequence indicated on  Figure 3-86. 
Figure 3-86. Thermal Module Screws
Table 3-86. Screws
StepScrewQuantityScrew Type
Thermal Module Reassembly –3– 

3-54Machine Maintenance
3. Connect the thermal module fan cable to the mainboard. 
Figure 3-87. Fan Cable 

Machine Maintenance3-55
Replacing the Mainboard0
1. Place the mainboard in its slot in the upper case.
Figure 3-88. Mainboard
2. Secure the mainboard to the upper case using one screw. 
Figure 3-89. Mainboard Screw
Table 3-89. Screw
StepScrewQuantityScrew Type
Mainboard Reassembly M2 × L31 

3-56Machine Maintenance
3. Connect the LCD cable to the mainboard.
Figure 3-90. LCD Cable
4. Secure the LCD cable to the mainboard using adhesive tape.
Figure 3-91. LCD Cable Adhesive Tape