Toshiba QOSMIO G20 Maintenance Manual page 95

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
QOSMIO G20 Maintenance Manual (960-511)
<LCD module>
Fluorescent lamp
<FL inverter>
CN1
CN3
CN4 CN2
2.9 Display Troubleshooting
LCD/FL cable
<System board>
CN5000
[CONFIDENTIAL] 2-51