Troubleshooting - JVC KW-ADV790 Manuel D'instructions

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).
Symptoms
• No sound comes out of the speakers.
• 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.
• The buttons on the monitor panel do not
work.
• The unit does not work at all.
• SSM automatic presetting does not work.
• Static noise while listening to the radio.
• Disc can be neither recognized nor played
back.
• Disc cannot be ejected.
• Recordable/Rewritable discs cannot be
played back.
• Tracks on the Recordable/Rewritable discs
cannot be skipped.
• Playback does not start.
Remedies/Causes
• Adjust the volume to the optimum level.
• Check the cords and connections.
• DTS sound cannot be reproduced through the analog
terminals (Speaker out/REAR OUT).
Sunshine from the windshield may cause this symptom.
Adjust <Bright>. (☞ page 48)
The monitor panel angle has been forcibly adjusted, or its
adjustment has been interrupted while opening or closing.
Press OPEN/TILT.
Reset the unit. (☞ page 3)
• Change the source.
• Start the playback on the external component connected
to VIDEO IN terminal.
• Check the cords and connections.
• Signal input is too weak.
When the monitor panel is open, only +/– (volume) and
OPEN/TILT work. The other buttons do not function.
Reset the unit. (☞ page 3)
Store stations manually. (☞ page 12)
Connect the aerial firmly.
Eject the disc forcibly. (☞ page 3)
Unlock the disc. (☞ page 19)
• Insert a finalized disc.
• Finalize the discs with the component which you used
for recording.
• Insert the disc correctly again.
• The format of files is not supported by the unit.
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