decrane aerospace DVD-5x2-01 series Operation Manual
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Contents
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DeCrane Aerospace Audio International DVD-5x2-01-x Installation & Operation ManualDocument # 540356, Rev C, 12/2008 Page 33 of 38status to see if it is now functioning properly. Once you have removedthe piece or pieces of offending equipment, disconnect power andthen reconnect everything but the suspect component, reapply powerand test the functionality of the unit.• The RS-485 data bus is a bi-directional bus that does not have a ‘buscontroller’. The bus uses a differential digital signal that will transmitonly when commands are entered via switch selection or other systemsynchronizing commands. The “A” leg of the bus is HI and the “B” legLO.5.3 Troubleshooting ChartProblem Possible Cause SolutionNo picture Unit is improperly installed No disc in source unit No power to Monitor• Verify +28 VDC power and videoinput is present• Insert DVD in source unit• Apply power to MonitorNo sound Unit is improperly installed Audio system not poweredor active Volume too low• Verify +28 VDC power and audioinput is present• Verify audio system is in activemode• Increase volume to acceptablelevelPlayback notfunctioning Disc not in device Disc upside down or notaligned in guide Incompatible disc in device Dirty Disc Parental lock activated Menu on the monitor• Insert a disc into device• Reposition disc• Replace disc with compatible one• Clean the disc• Change or cancel parental lockfeature• Exit the current menuNo power Circuit breaker has opened • Reset circuit breakerPoor video quality Poor DVD quality Noise being introducedinto system• Replace DVD• Move source equipment closer tomonitor or distribution modulesButtons notoperating Moisture may havecondensed inside unit.• Allow unit to warm to roomtemperature and moisture hasevaporated.DVD disc cannot beloaded Foreign object in disc slot • Remove foreign object |
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