Toshiba Qosmio X300 Maintenance Manual page 91

2 Troubleshooting Procedures
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Procedure 1: FM Tuner Antenna connection check
Procedure 2: FM Tuner SG setting check
Procedure 3: FM Tuner board connection check
Procedure 1 FM tuner Antenna connection check
Use windows application to check device can work fine or not .If an error is located .The FM
Tuner Antenna may be damaged or the connections may be loose. Perform Check 1:
Check 1 Make sure FM Tuner Antenna is firmly plugged into FM Tuner port of the
computer. If the Antenna is connected correctly, go to Check 2.
Check 2 Try connecting a different FM Tuner Antenna to the computer. If the replacement
FM Tuner Antenna works, the original set may be damaged. If the replacement
set does not work the FM Tuner SG setting may be incorrect, Go to Procedure 2
Procedure 2 FM Tuner SG setting check
The FM Tuner SG setting may be faulty. Perform Check 1:
Check 1 Check the FM Tuner SG setting was right or wrong, if right; go to check 2, if
wrong. Correct it and re-test. If fail symptom still exist, go to check 2.
Check 2 Try connecting a different FM tuner SG to the computer. If the replacement FM
tuner SG works, the original set may be damaged. If the replacement set does not
work the FM Tuner board may be damaged. Go to Procedure 3.
Procedure 3 FM Tuner board connection check
The FM Tuner board may be damaged or the connections may be loose. Perform Check 1:
Check 1 Make sure FM Tuner board FFC is firmly plugged into the system board. If the
FFC is connected correctly, go to Check 2.
Check 2 Try connecting a different FM Tuner board to the computer. If the replacement
FM Tuner board works, the original FM Tuner Board may be damaged. If the
replacement FM Tuner board does not work the System board may be damaged.
Replace it with a new one following the instructions in Chapter 4.
QOSMIO X300 Series Maintenance Manual
59