Text preview for : P20_part3_.pdf part of Toshiba P20 Replacement Procedures - 3 File [pag. 44, 31, 7]
Back to : P20_part3_®_.zip | Home
4 Replacement Procedures
4.27 Display Mask
4.27 Display Mask
Removing the Display Mask To remove the display mask, first remove the battery pack, then follow the steps below. 1. Remove the main module, HDD, keyboard, top cover and display assembly. 2. Remove six mask seals to expose six screws securing the display mask. 3. Remove two M2×3 screws from the top of display assembly and another four M2.5×6 screws that were covered by the mask seals.
Fig 4-44: Removing the display mask screws
4-76
Satellite P20 Series Maintenance Manual
4.27 Display Mask
4 Replacement Procedures
3. A total of 18 snaps secure the display mask. Carefully insert your fingers between the mask and the LCD panel and pry open the snaps. Start with the four snaps at the top of the display mask. Continue unsnapping the display mask along the two sides (five snaps on each side), and the bottom edge (four snaps). Installing the Display Mask To install the display mask, follow the steps below and refer to the figures in the preceding section. 1. Seat the display mask and secure the snaps on each side. 2. Secure the display mask with two M2×3 screws at the top of display assembly and another four M2.5×6 screws nearer the base. 3. Cover the six secured screws with mask seals.
Satellite P20 Series Maintenance Manual
4-77
4 Replacement Procedures
4.28 FL Inverter Board
4.28 FL Inverter Board
Removing the FL Inverter Board To remove the FL inverter board, first remove the battery pack, then follow the steps below. 1. Remove the main module, HDD, keyboard, top cover, display assembly and display mask. 2. Remove one M2x3 screw securing the LCD cable. 3. Remove one M2x3 screw securing the FL inverter board. 4. Lift up the FL inverter board and detach the FL cable and HV cable. Remove the FL inverter board.
Fig 4-45: Removing the FL inverter board
4-78
Satellite P20 Series Maintenance Manual
4.28 FL Inverter Board Installing the FL Inverter Board
4 Replacement Procedures
To install the FL inverter board, follow the steps below and refer to the figure in the preceding section.. 1. Connect the FL cable and HV cable to the FL inverter board. 2. Seat the FL inverter board and secure it with t one M2x3 screw. 3. Secure the LCD cable with one M2x3 screw. 4. Install the display mask, display assembly, top cover, keyboard, HDD, main module and battery pack.
Satellite P20 Series Maintenance Manual
4-79
4 Replacement Procedures
4.29 LCD Module
4.29 LCD Module
Removing the LCD Module To remove the LCD module, first remove the battery pack, then follow the steps below. 1. Remove the main module, HDD, keyboard, top cover, display assembly, display mask and FL inverter board. 2. Remove six M2.5×6 screws securing the LCD module. 3. Lift the LCD module out of the LCD cover.
Fig 4-46: Removing the LCD module
4-80
Satellite P20 Series Maintenance Manual
4.28 FL Inverter Board
4 Replacement Procedures
4. Remove eight M2×3 screws securing the LCD bracket (the number of bracket screws may vary on different models). 5. Remove the LCD bracket. 6. Peel away the Kapton film securing the LCD cable. 7. Pull out LCD cable from LCD connector.
Fig 4-47: Removing the LCD cable NOTE: If the LCD module malfunctions, remove the LCD cable and LCD bracket. Then replace the whole LCD module unit.
Satellite P20 Series Maintenance Manual
4-81
4 Replacement Procedures Installing the LCD Module
4.29 LCD Module
To install the LCD module, follow the steps below and refer to the figures in the preceding section.
1. Connect the LCD cable to the LCD connector on the back of the LCD module. 2. Secure the LCD cable with Kapton film. 3. Secure the LCD bracket to the LCD module with eight M2×3 screws (the number of bracket screws may vary on different models). 4. Position the LCD module in place. 5. Secure the LCD module with six M2.5×6 screws. First secure the screws (one on each side) nearer the base of the module, then secure the screws nearer the top. 6. Secure LCD cable with one M2.5×4 screw.
4-82
Satellite P20 Series Maintenance Manual