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2 Troubleshooting Procedures
Satellite A500D/Satellite A505D/Satellite A507D/Satellite Pro Series Maintenance Manual16
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 thBBe 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.