Motorola DCX3501M manual DCX set-top will, Press the Power button, Remote control to restore sound

Troubleshooting

B

7Troubleshooting

Before calling your service provider, review this troubleshooting guide. This information is to help you quickly solve a problem. If your problem still exists, contact your service provider.

	Problem	Possible Solution
	The DCX set-top will	The DCX set-top has received a software update and may not power on while the new
	not power on	software is being installed. Try again in a few minutes.
		Verify that the AC power cord of the external power supply is connected to the DCX set-
		top and an AC outlet. Unplug the DCX set-top from the AC outlet, plug it back in, and then
		press the POWER button.
		If the DCX set-top is connected to a switched outlet on another unit, verify that that unit is
		powered on. Unplug the power cord from the DCX set-top’s AC outlet, plug it back it in,
		and then press the POWER button. Use an unswitched outlet, if possible.
		Press the POWER button on the DCX set-top front panel instead of the remote control. The
		batteries in the remote control may be depleted.
	The remote control	Verify that the remote control is in “Cable” mode.
	does not work	Verify that there are no obstructions between the remote control and the DCX set-top. Aim
		the remote control directly at the DCX set-top front panel, not the TV or VCR.
		The angle between the remote control and the DCX set-top may be too large. Stand in
		front of the DCX set-top and not too far to either side.
		Press and release operation keys one at a time, firmly and deliberately.
		Try changing channels using the buttons on the DCX set-top front panel.
		Check the batteries in the remote control. Install new batteries if needed.
	There is no audio when	Verify that the mute button on the remote control has not been pressed. Press mute on the
	viewing cable channels	remote control to restore sound.
		If the DCX set-top audio output is connected to the TV, verify that the mute button on the
		TV has not been pressed.
		If the DCX set-top 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 connections.
		Verify that the audio cables are firmly connected between the DCX set-top and the audio
		playback device (TV, receiver, DVD player, etc.).
	There is no audio from	Not all programs feature full Dolby Digital [5.1] or Dolby Digital Plus [7.1] surround sound.
	the center and/or	In some cases, the programs may only contain left and right stereo audio.
	surround speakers of a	Verify that the S/PDIF cable (coaxial or optical) is firmly connected to the DCX set-top and
	home theater receiver
		the home theater receiver.
	connected to the DCX
High-Definition All-Digital Dual Tuner DVR Set-top DCX3501–M • User Guide			46
365-095-16095-x.2