Toshiba Satellite L300 L305 Maintenance Manual

							
4 Replacement Procedures  4.4 Keyboard 
4.4 Keyboard 
Removing Keyboard 
Remove the Keyboard according to the following procedures and Figure 4-9. 
1. Release the following 12 latches on the keyboard cover, in that order: 
- One latch on each of the left and right sides 
- Five bottom latches 
- Five front latches 
2. Remove the keyboard cover. 
3. Remove two M 2x3 black bind screws. 
4. Release the keyboard lock latch. 
5. Disconnect the keyboard cable from CN11 on the system board. 
6. Remove the keyboard. 
M2x3 black flat head screw
Keyboard latch
Keyboard Keyboard cover
Latch
CN11
Keyboard latch
 
Figure 4-9  Removing the keyboard 
4-22 Satellite L300/L305/ Satellite Pro  L300/ EQUIUM L300/ SATEGO L300 Maintenance Manual  
						

							
4.4 Keyboard 4 Replacement Procedures 
Satellite L300/L305/ Satellite Pro  L300/ EQUIUM L300/ SATEGO L300 Maintenance Manual 4-23 
Installing the Keyboard 
Install the keyboard according to the following procedures and Figure 4-\
9. 
1. Connect the keyboard cable to CN11 on the system board. 
2. Secure the keyboard with two M2x3 black bind screws. 
3. Place the keyboard cover in the correct position and secure the followin\
g 12 latches, 
in that order: 
- One latch on each of the left and right sides 
- Five bottom latches 
- Five front latches 
						

							
4 Replacement Procedures  4.5 MDC Module 
4.5 MDC Module 
Removing the MDC Module 
Remove the MDC Module (Modem Daughter Card) according to the following procedures 
and Figures 4-10, after checking that the computer is turned off in boot mode. 
CAUTION:  Remove the MDC module after turning off the computer. If this is viol\
ated, 
the computer or MDC module can be damaged.  
1. Remove the two M2x3 black flat head screws securing the MDC module. 
2. Left the MDC module and disconnect it from CN6 on the system board. 
3. Disconnect the MDC cable from connector J2 on the MDC card. 
CAUTION:  Do not touch the connectors on the MDC module or in the computer. 
Contaminated connectors can cause MDC module failures. 
CN6
M2x2 6 black flat head screw
.
J1 J2
MDC card
MDC cable
 
Figure 4-10 Removing the MDC module  
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4.5 MDC Module  4 Replacement Procedures 
Satellite L300/L305/ Satellite Pro L300/ EQUIUM L300/ SATEGO L300 Maintenance Manual 4-25 
Installing the MDC Module  
Install the MDC module according to the following procedures and Figures 4-10, after 
checking that the computer is turned off in boot mode.  
CAUTION:  Install the MDC module after turning  off the computer. If this is violated, 
the computer or MDC module can be damaged. 
CAUTION:  Do not touch the connectors on the MDC module or in the computer. 
Contaminated connectors can cause MDC module failures. 
1. Connect the MDC cable to connector J1 on the MDC module. 
2. Connect the MDC module to CN6 on the system board. 
3. Secure the MDC module with two M2x3 black flat head screws. 
 
Note: After the computer is turned on, check the hardware configuration in the Hardware 
Setup or TSETUP program to make sure that the installed MDC module has been recognized 
by the system. If it has not been recognized yet, check the connections.  
						

							
4 Replacement Procedures  4.6 Wireless LAN card 
4.6  Wireless LAN Card 
Removing the Wireless LAN Card 
Remove the wireless LAN card according to the following procedures and Figu\
re 4-11. 
CAUTION:  Do not touch the connectors on the wireless LAN card and in the computer\
 
with your bare hands. Wireless LAN cards can fail if they are contaminat\
ed with sweat, 
natural oils, etc. from your hands.  
1. Disconnect the two antenna cables with tweezers. 
2. Remove the two M2x3 black flat head screws securing the wireless LAN card. \
3. Pull the wireless LAN card up from CN10 on the system board and out at an angle. 
MAINAUX
Antenna M2x3 black flat head screw
Wireless LAN card
Black cable
White cable
CN10
 
Figure 4-11 Removing the wireless LAN card 
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4.6 Wireless LAN Card 4 Replacement Procedures 
Satellite L300/ 305D/ Satellite Pro  L300/ EQUIUM L300/ SATEGO L300 Maintenance Manual 4-27 
Installing the Wireless LAN Card 
Install the wireless LAN card according to the following procedures and \
Figure 4-11. 
1. Insert the wireless LAN card into the CN10 an angle of 45 degrees. 
2. Press down on the wireless LAN card to secure it with two M2x3 black fla\
t head 
screws. 
3. Connect the two antenna cables by pressing them firmly into place. 
CAUTION:   Do not touch the connectors on the wireless LAN card and in the compute\
r 
with your bare hands. Wireless LAN cards can fail if they are contaminat\
ed with sweat, 
natural oils, etc. from your hands.  
  
						

							
4 Replacement Procedures  4.7 Top Cover 
4 1 
4.7 Top Cover 
Removing the Top Cover 
Remove the top cover according to the following procedures and Figures 4-12\
 and 4-13. 
1. Turn the computer upside down and remove the following 14 screws: 
- Eleven M2.5x7 black flat head screws and three M2x4 black flat head sc\
rews. 
M2x3 black flat head screw
M2 5x6 black
flat head screw.M2 5x6 black
flat head screw.
 
Figure 4-12 Removing the screws from the bottom of the computer 
2. 
Turn the computer right side up. 
3. Remove five M2.5x6 black flat head screws on the top cover. 
4. Disconnect the touch pad board flat cable from CN8. 
5. Disconnect the speaker cable from CN9. 
6. Release the following 15 latches on the switch cover, in that order: 
- Four Left latches 
- Four right latches 
- Three front latches 
- Four bottom latches 
7. Lift up the top cover. 
4-28 Satellite L300/L305 / Satellite Pro  L300/ EQUIUM L300/ SATEGO L300 Maintenance Manual  
						

							
4.7 Top Cover  4 Replacement Procedures 
M2 5x6 black flat head screw.
Latch
Touch pad
board flat cable Speakers cable
Top cover
CN8CN9
 
Figure 4-13 Removing the top cover 
 
Installing the Top Cover 
Install the top cover with the display assembly according to the following procedures and 
Figures 4-12, 4-13. 
1. Seat the top cover, adjusting its position. 
2. Secure the top cover with five M2.5x6 black flat-head screws. 
3. Secure the following 15 latches on the top cover, in that order: 
- Four Left latches 
- Four right latches 
- Three front latches 
- Four bottom latches 
4. Connect the touch pad board flat cables to CN8 on the system board. 
5. Connect the speaker cable to CN9 on the system board. 
6. Turn the computer upside down and secure it with the following 14 screws:  
- Eleven M2.5x6 black flat head screws and three M2x4 black flat head sc\
rews. 
Satellite L300 / L305/Satellite Pro  L300/ EQUIUM L300/ SATEGO L300 Maintenance Manual 4-29  
						

							
4 Replacement Procedures  4.7 Display Assembly 
4.8 Display Assembly 
Removing the Display Assembly 
CAUTION:  Use care to avoid that the antenna cable is not caught between the displ\
ay 
assembly and computer.  
Remove the display assembly according to the following procedures and Figures 4-14, 4-15.  
1. Turn the computer upside down and remove two M2.5x6 black flat head screws. 
2. Restore the normal computer placement and open the display panel. 
M2 5x6 black flat head screw.
 
Figure 4-14 Removing the screws from the back of the computer 
3. Disconnect the LCD/FL cable from CN5 on the system board. 
4. Disconnect the CCD cable from CN7 on the system board. 
5. Disconnect the MIC cable from CN3 on the system board. 
6. Remove four M2.5x6 black flat head screws securing the LCD module to the bottom 
cover. 
7.  Remove the wireless antenna cables, CCD cable and MIC from the bottom cover. 
8. Remove the display module.
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4.7 Display Assembly  4 Replacement Procedures 
M2 5x6 black flat head screw.
LCD FL cable
CCD cable
MIC cable Wireless
LAN antenna
CN5
CN7CN13
 
Figure 4-15 Removing the display assembly 
 
Installing the Display Assembly 
Install the display assembly according to the following procedures and Figures 4-14, 4-15. 
1. Place the display panel in the correct position and push the wireless an\
tenna cable, 
CCD cable and MIC cable into the bottom cover. 
2. Connect the LCD/FL cable to CN5 on the system board. 
3. Connect the CCD cable to CN7 on the system board. 
4. Connect the MIC cable to CN13 on the system board. 
5. Secure the display assembly with four M2.5x6 black flat head screws. 
6. Close the display panel and turn the computer so the back is facing you and secure 
two M2.5x7 black flat head screws. 
Satellite L300 / L305/Satellite Pro  L300/ EQUIUM L300/ SATEGO L300 Maintenance Manual 4-31