JVC KD-AVX77 - Troubleshooting Common Issues; Audio and Display Troubleshooting; Unit and Connection Troubleshooting

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.
• No sound comes out of the speakers.
• No sound comes out of the center
speaker.
• The screen is not clear and legible.
• "Mecha Error Push Reset" appears on
the screen, and the panel does not
move.
• "No Signal" appears.
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• O/ATT button on the monitor panel
does not work.
• The unit does not work at all.
• The remote controller does not work.
• The touch panel does not respond
properly.
• <Monitor/Sensor> does not work
properly.
• Adjust the volume to the optimum level.
• Check the cords and connections.
• DTS sound cannot be reproduced through any terminals
(Speaker out/LINE OUT).
• Center speaker is not activated. (~ 17) Once you have reset
the unit, make sure to activate the speaker again.
• Center speaker is used only for surround playback. No sound
comes out for stereo playback.
Sunshine from the windshield may cause this symptom.
Adjust <Bright>. (~14)
Reset the unit. (~3)
• Change the source.
• Start the playback on the external component connected to
VIDEO IN plug.
• Check the cords and connections.
• Signal input is too weak.
When the monitor panel is open, the button does not function.
Reset the unit. (~3)
Deactivate Dual Zone. (~41) (While Dual Zone is activated,
the remote controller only functions for operating the DVD/CD
player.)
• Keep your hands and the touch panel clean and dry.
• Eliminate static electricity and do not place conductors or any
materials generating static electricity near the unit.
• 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.
REFERENCES
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