2.8 Display Troubleshooting

2 Troubleshooting Procedures

Procedure 3 Connector and Cable Check

LCD Module is connected to system board by an LCD/FL cable. FL inverter board is also connected to system board by an LCD/FL cable. In addition, fluorescent lamp is connected to FL inverter board by HV cable. Their cables may be disconnected from system board or FL inverter board. Disassemble the computer following the steps described in Chapter 4, Replacement Procedures.

If the connection is loose, reconnect firmly and restart the computer. If the problem still occurs, go to Procedure 4.

HV cable

 

 

<LCD module>

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fluorescent lamp

 

 

 

 

 

 

LCD/FL cable

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

<FL inverter>

 

 

 

 

 

 

 

 

<System board>

 

 

 

 

 

 

 

 

 

CN5000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Satellite A50S/TECRA A3X Maintenance Manual (960-534)

[CONFIDENTIAL]

2-39

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Image 95
Toshiba A3X manual Display Troubleshooting Troubleshooting Procedures, Procedure 3 Connector and Cable Check, LCD module