JVC KD-AVX77 Troubleshooting, Symptom

Troubleshooting

What appears to be trouble is not always serious. Check the following points before calling a service center.

•For operations with the external components, refer also to the instructions supplied with the adapters used for the connections (as well as the instructions supplied with the external components).

•Messages (enclosed in “ ”) in the tables below are shown in the language selected on <Language>. (15) Messages described here are in the language of this manual.

Symptom Remedy/Cause

•No sound comes out of the speakers. • Adjust the volume to the optimum level.

•Check the cords and connections.

•DTS sound cannot be reproduced through any terminals (Speaker out/LINE OUT).

• No sound comes out of the center	• Center speaker is not activated. (	17) Once you have reset
speaker.	the unit, make sure to activate the speaker again.

•Center speaker is used only for surround playback. No sound comes out for stereo playback.

	• The screen is not clear and legible.		Sunshine from the windshield may cause this symptom.
			Adjust <Bright>. (	14)
	• “Mecha Error Push Reset” appears on		Reset the unit. (	3)
		the screen, and the panel does not
		move.
	•	“No Signal” appears.	• Change the source.
General			• Start the playback on the external component connected to
			VIDEO IN plug.
			• Check the cords and connections.
			• Signal input is too weak.
	•	button on the monitor panel	When the monitor panel is open, the button does not function.
		does not work.
	• The unit does not work at all.		Reset the unit. (	3)

• The remote controller does not work. Deactivate Dual Zone. (41) (While Dual Zone is activated, the remote controller only functions for operating the DVD/CD player.)

• The touch panel does not respond	• Keep your hands and the touch panel clean and dry.
properly.	• Eliminate static electricity and do not place conductors or any
• <Monitor/Sensor> does not work	materials generating static electricity near the unit.
properly.	• Leave the unit until the temperature becomes stable in the car.
	• A rubber mat on the floor may cause this symptom. In this case,
	do not use the rubber mat.

ENGLISH

REFERENCES 65