Adcom GDV-870 user manual Troubleshooting, Symptom Cause/Solution

Chapter 5 - Help

Troubleshooting

The table below shows possible causes and solutions to common GDV-870 issues. If you do not see the answers you need here, please contact your Adcom dealer or customer service department; see page 31.

Symptom	Cause/Solution
No power	•	Make sure the power cord is properly connected to the power outlet.
	•	Make sure the main power is switched on.
No playback	•	Make sure the disc is loaded.
	•	Make sure the disc is loaded with the label side up.
	•	The disc’s region code is invalid for this player.
	•	The type of disc is invalid for this player.
	•	The disc is dirty or damaged. Try cleaning the disc or testing another disc.
	•	There may be moisture condensation inside the player. Remove the disc and leave the
		unit powered on for 1-2 hours.
No picture	•	Make sure your TV is powered on.
	•	Make sure the correct AV input is selected on your TV to view the DVD player.
	•	Make sure the video cables are securely and properly connected.
	•	Check the video cables for damage.
	•	Clean your disc.
Distorted or noisy picture	•	The disc is dirty or damaged. Try cleaning the disc or testing another disc.
	•	Reset the color system of the player or your TV.
	•	Try connecting the player directly to your TV instead of via other components, such
		as a VCR.
Picture not full screen	•	Select the desired screen format from the player’s Setup Menu (see page 20). For full
		screen on a standard TV, set the View Mode to 4:3.
Player malfunction	•	Unplug the player for 30 minutes. After 30 minutes, power on the player and the
		restore function should reset the player.
No sound	•	Make sure your TV and AV preamp are powered on and correctly set.
	•	Make sure the audio cables are securely and properly connected.
	•	Check the audio cables for damage.
	•	Press the Audio button to select an alternative audio track.
	•	Press the Mute button to make sure the audio is not muted.
	•	No sounds is output during Pause, Step, and Slow playback modes.
No surround sound	•	Make sure your amplifier and/or powered loudspeakers are on.
	•	Make sure the Digital Audio Output is set to “All” in the player’s Setup Menu (refer to
		page 21).
Cannot skip or search	•	Some discs are programmed to prohibit skip/search functions during certain sections,
		especially at the beginning of the disc (e.g. Warning messages and previews).
	•	If the disc only has one chapter, the Skip function will not function.
Distorted or noisy MP3 playback	•	If PC program files or other data files are mixed in with MP3 files on the same disc,
		the player may play the non-MP3 files with noise or no sound.
	•	Make sure your disc only includes MP3 files.
	•	Skip to another file.

Remote control does not function • Remove any obstacles between the remote control and the player.

•Point the remote control directly at the remote sensor on the player.

•Check the polarities (+/-) of the batteries in the remote control.

•Replace the batteries.

•Place the unit away from direct sun and/or reduce the amount of ambient light.

32GDV-870 Owner’s Manual