Connector And Cable Check; Procedure 4 Replacement Check - Toshiba Satellite R10 Maintenance Manual

2 Troubleshooting
Procedure 3

Connector and Cable Check

The LCD module is connected to the system board through the LCD/FL cable. Also FL
inverter is connected the system board through the LCD/FL cable. The cable may be
disconnected from the board or damaged. Disassemble the computer following the steps
described in Chapter 4, Replacement Procedures. If the connection is loose, reconnect the
cable firmly and repeat Procedure 2. If there is still an error, go to Procedure 4.
Procedure 4 Replacement Check
The display unit has an FL tube, FL inverter, LCD module, System board, LCD/FL cable and
Display ON/OFF switch. Any of the components may be damaged. Disassemble the computer
following the steps described in Chapter 4, Replacement Procedures, and perform the
following checks:
(1) If characters or graphics are not displayed on the internal display, perform Check 1.
(2) If characters or images are displayed on the internal display but the display is not
normal, perform Check 2.
(3) If characters or images are displayed on the internal display but the display is dark (the
back-light does not light), perform Check 5.
Check 1 The display ON/OFF switch may be damaged. Remove the display ON/OFF
switch and repeat Procedure 4. If there is still an error, go to Check 2.
Check 2 The LCD/FL cable may be damaged. Replace the damaged cable with a new one
and repeat Procedure 4. If there is still an error, go to Check 3.
Check 3 The LCD module may be damaged. Replace it with a new one and repeat
Procedure 4. If there is still an error, go to Check 4.
Check 4 The FL inverter may be damaged. Replace it with a new one and repeat Procedure
4. If there is still an error, go to Check 5.
Satellite R10 Maintenance Manual (960-509)
2.8 Display Troubleshooting
2-43