DeCrane Aerospace Audio International MCD-9101-101-x Installation & Operation ManualDocument # 540360, Rev IR, 03/2008 Page 26 of 285.4 Troubleshooting Chart6.0 SpecificationsPhysical SpecificationsHousing AluminumWeight 2.64 lb / 1.20 kgUnit Dimensions(l x w x h)6.32" x 6.10" x 2.75"16.05 cm x 15.49 cm x 6.99 cmNote: Measurements do not include the cover bezel.Problem Possible Cause SolutionNo sound Unit is improperlyinstalled No CD in source unit. Audio system notpowered or active• Verify +28 VDC power and videoinput is present• Insert CD in source unit• Verify audio system is in activemodeNo power Circuit breaker hasopened• Reset circuit breakerCD cannot be loaded CD already in slot • Eject CD in unit and load selectedCD into the slotCD ejects whenloaded CD is dirty CD is loaded upsidedown Unit’s lens is dirty• Clean CD with soft cloth• Load CD with label side up• Clean unit with a standard CD laserlens cleaner disc and follow thatproduct’s listed directionsPoor sound quality CD is scratched or dirty Unit’s lens is dirty• Clean CD with soft cloth• Discard CD if scratched• Clean unit with a standard CD laserlens cleaner disc and follow thatproduct’s listed directions