Toshiba Infinia 7130 Series Maintenance Manual page 44

2.6. Switch (Button) Troubleshooting Process .............................................................2-65
2.6.1. Procedure 1.............................................. Switch (Button) Resistance Check 2-67
2.6.2. Procedure 2...........................................Switch (Button) Replacement Check 2-67
2.6.3. Procedure 3............................................... Switch (Button) Operation Check
2.6.4. Procedure 4.............................................. System Board Replacement Check 2-67
2.7. LED Troubleshooting Process . .............................................................................2-67
2.7.1. Procedure 1............................................................................ DIODE Check
2.7.2. Procedure 2......................................... Power/Sleep LED Illumination Check 2-69
2.7.3. Procedure 3.................................................... HDD LED Illumination Check 2-69
2.7.4. Procedure 4.....................................................FDD LED Illumination Check 2-70
2.7.5. Procedure 5............................................. CD-ROM LED Illumination Check 2-70
2.7.6. Procedure 6......................... Power/Sleep LED Voltage Check (Sleep Mode) 2-70
2.7.7. Procedure 7...................... Power/Sleep LED Voltage Check (Normal Mode) 2-71
2.7.8. Procedure 8........................................Power/Sleep LED Replacement Check 2-71
2.7.9. Procedure 9............................................................FDD Replacement Check 2-71
2.7.10. Procedure 10.........................................CD-ROM Drive Replacement Check 2-71
2.7.11. Procedure 11........................................................ HDD LED Voltage Check
2.7.12. Procedure 12......................................................... HDD Replacement Check
2.7.13. Procedure 13............................................ System Board Replacement Check 2-72
2.8. Floppy Disk Drive (FDD) Troubleshooting Process ..............................................2-72
2.8.1. Procedure 1................................................................FDD Boot Disk Check
2.8.2. Procedure 2................................................Data Cable and Connector Check 2-74
2.8.3. Procedure 3............................................................................ Voltage Check
2.8.4. Procedure 4............................................................FDD Replacement Check 2-75
2.8.5. Procedure 5.............................................. System Board Replacement Check 2-75
2.9. Hard Disk Drive (HDD) Troubleshooting Process ................................................2-75
2.9.1. Procedure 1....................................................................... HDD Boot Check
2.9.2. Procedure 2................................................Data Cable and Connector Check 2-77
2.9.3. Procedure 3............................................................................ Voltage Check
2.9.4. Procedure 4................................................................FDD Boot Disk Check
2.9.5. Procedure 5...................................................Data Cable Replacement Check 2-78
2.9.6. Procedure 6................................................................................Virus Check
2.9.7. Procedure 7........................................................... Diagnostic Testing Check
2.9.8. Procedure 8............................................................... Abnormal Noise Check 2-79
2.9.9. Procedure 9.................................................................. Connector Pin Check
2.9.10. Procedure 10...............................................................HDD Reformat Check
2.9.11. Procedure 11......................................................... HDD Replacement Check
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