Harman Kardon HD 990 Owner's Manual

Also see for HD 990: Owner's manual Specifications Owner's manual Service manual

Contents

TROUBLESHOOTING GUIDE 15Troubleshooting GuideENGLISHTROUBLE SHOOTING GUIDESYMPTOMNo lights on Front PanelRemote does not appearto operateFront panel lights, but CDdoes not playPlay indicator lights, butno sound is heardSound skips or stuttersduring playSound is continually distortedERROR lights up continuouslyin the displayCAUSE• No AC power• Power Switch turned off• Weak batteries• Blocked sensor• Disc upside down• Poor connections• Wrong source connected• Disc may be damaged• Surface vibrations• Incorrect input• VariousSOLUTION• Make certain AC power cord is plugged intoa live outlet.• Turn on Power Switch.• Install fresh batteries, observing polarity indications.• Remove obstructions from the front panel sensor or connect aremote sensor to the Remote In jack on the rear panel.• Reload disc with label side facing up.• Make certain connections are secure and madeto the correct (e.g., CD) input.• Select CD source on receiver or preamp.• Try another disc.• Isolate the unit from vibration by placing it on afirm surface or move it further away from speakers.• Make certain that the analog Audio Outputs of theCD player are connected to a line level audio input, NOT to adigital audio or phono input.• Turn the unit off and on again. If the problem persists, turn the ACpower to the CD player off and on.

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