Motorola DCT6400 Series User Guide, Verify that the MUTE button on the DCT* or the remote

	DCT6400 Series User Guide
Problem	Possible Solution
There is no audio	Verify that the MUTE button on the DCT* or the remote
when viewing cable	control has not been pressed. Press MUTE on the remote
channels	control to restore sound.
	If the DCT* audio output is connected to the TV, verify
	that the MUTE button on the TV has not been pressed.
	If the DCT* audio output is connected to a home theater
	receiver, verify that the receiver is set to the appropriate
	input source and the mute button on the receiver has not
	been pressed.
	Verify that you have the correct cables for the audio
	ports.
	Verify that the audio cables are firmly connected
	between the DCT* and the audio playback device (TV,
	receiver, DVD player, etc.).
There is no audio	Not all Dolby Digital® programs feature full 5.1 surround
from the center	sound. In some cases, the programs may only contain
and/or surround	left and right stereo audio.
speakers of a home	Verify that the SPDIF cable (coaxial or optical) is firmly
theater receiver
	connected to the DCT* and the home theater receiver.
connected to the
DCT*	Verify that the home theater receiver is set to a surround
	sound audio mode (Dolby Digital, Dolby Pro Logic II® ,
	Dolby Pro Logic® ).
	Verify that the receiver is properly configured to work
	with all connected speakers.

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