JVC LVT1778-001A ユーザーズマニュアル

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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
Remedies/Causes
General
•  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 the analog 
terminals (Speaker out/REAR OUT).
•  The screen is not clear and legible.
Sunshine from the windshield may cause this symptom.
Adjust <Bright>. (☞ page 48)
•  “Position Error Push Open Key” appears on 
the screen.
The monitor panel angle has been forcibly adjusted, or its 
adjustment has been interrupted while opening or closing. 
Press OPEN/TILT.
•  “Mecha Error Push Reset” appears on the 
screen, and the panel does not move.
Reset the unit. (☞ page 3)
•  “No Signal” appears.
•  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.
•  The buttons on the monitor panel do not 
work.
When the monitor panel is open, only +/– (volume) and 
OPEN/TILT work. The other buttons do not function.
•  The unit does not work at all.
Reset the unit. (☞ page 3)
FM/AM
•  SSM automatic presetting does not work.
Store stations manually. (☞ page 12)
•  Static noise while listening to the radio.
Connect the aerial firmly.
Disc  in general
•  Disc can be neither recognized nor played 
back.
Eject the disc forcibly. (☞ page 3)
•  Disc cannot be ejected.
Unlock the disc. (☞ page 19)
•  Recordable/Rewritable discs cannot be 
played back.
•  Tracks on the Recordable/Rewritable discs 
cannot be skipped.
•  Insert a finalized disc.
•  Finalize the discs with the component which you used 
for recording.
•  Playback does not start.
•  Insert the disc correctly again.
•  The format of files is not supported by the unit.
EN_KW-AVX710[J].indb   64
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07.12.5   11:59:35 AM
07.12.5   11:59:35 AM