Toshiba P25 manual Procedure 3 Connector and replacement check

Models: P25

1 250
Download 250 pages 26.64 Kb
Page 51
Image 51

2 Troubleshooting Procedures

2.4 Display Troubleshooting

Procedure 3 Connector and replacement check

The FL inverter board, LCD module, and system board are connected to the display circuits. Any of these components may be damaged. Refer to Chapter 4, Replacement Procedures, for instructions on how to disassemble the computer and then perform the following checks:

Check 1 Make sure the DDR RAM module is seated properly. Test display again. If the problem still exits, replace the DDR RAM module. If the problem still exists, perform Check 2.

Check 2 Replace the FL inverter board with a new one and test display again. If the problem still exists, perform Check 3.

Check 3 Replace the LCD module with a new one and test display again. If the problem still exists, perform Check 4.

Check 4 Replace the LCD/FL cable with a new one and test display again. If the problem still exists, perform Check 5.

Check 5 Replace the CPU with another of the same specifications. If the problem still exists, perform Check 6.

Check 6 The system board may be damaged. Replace it with a new one.

2-14

Satellite P20-25 Series Maintenance Manual

Page 51
Image 51
Toshiba P25 manual Procedure 3 Connector and replacement check