Troubleshooting - JVC KW-ADV793 Instructions Manual

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>. (
Messages described here are in the language of this manual.
Symptom
• No sound comes out of the speakers. • Adjust the volume to the optimum level.
• The screen is not clear and legible.
• "Position Error Push Open Key"
appears on the screen.
• "Mecha Error Push Reset" appears on
the screen, and the panel does not
move.
• "No Signal" appears.
• "Protect" flashes.
• The buttons on the monitor panel do
not work.
• The unit does not work at all.
Remedy/Cause
• Check the cords and connections.
• DTS sound cannot be reproduced through any terminals
(Speaker out/REAR OUT/FRONT OUT).
Sunshine from the windshield may cause this symptom.
Adjust <Bright> in <Picture Adjust>. (
The monitor panel angle has been forcibly adjusted, or its
adjustment has been interrupted while opening or closing.
Press , then [Open].
Reset the unit. ( 3)
• Change the source.
• Start the playback on the external component connected to
VIDEO IN jack.
• Check the cords and connections.
• Signal input is too weak.
A speaker cord has shorted or it has come in to contact with the
car chassis. Wire or insulate the speaker cord as appropriate,
then reset the unit ( 3). See also the Installation/
Connection Manual.
When the monitor panel is open, only VOL +/– and
work. The other buttons do not function.
Reset the unit. ( 3)
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