JVC MX-GA77 - Manual (Page 30)

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Action
Press CANCEL/DEMO on the unit. (See
page 8.)
Check all connections and make
corrections. (See pages 6 to 8.)
• Reconnect the antennas correctly and
securely.
• Change the position and direction of the
AM loop antenna.
• Extend the FM antenna at the best
position.
Clean or replace the disc. (See page 26.)
• Plug the AC power cord.
• Unlock the carrousel. (See page 19.)
Place the disc with the label side up.
Replace the disc.
Do not use too many hierarchies and folders
when recording. Also, do not record any
other types of audio tracks together with
MP3 files. (See page 13.)
Turn on the unit.
Cover the holes with adhesive tape.
Unplug the AC power cord and then plug it
back in.
• Remove the obstruction.
• Replace the batteries.
Symptom
Unable to cancel the display demonstration.
No sound is heard.
Hard to listen to broadcasts because of
noise.
The disc sound is discontinuous.
The carrousel does not open or close.
The disc does not play.
The MP3 disc does not play.
The readout time of the MP3 disc is too
long.
The cassette holders cannot be opened.
Impossible to record.
Operations are disabled.
Unable to operate the unit from the remote
control.
If you are having a problem with your unit, check this list for a possible solution before calling for service.
If you cannot solve the problem from the hints given here, or the unit has been physically damaged, call a qualified person,
such as your dealer, for service.
Troubleshooting
Cause
Other buttons are pressed to cancel the
display demonstration.
Connections are incorrect or loose.
• Antennas are disconnected.
• The AM loop antenna is too close to the
unit.
• The FM antenna is not properly extended
and positioned.
The disc is scratched or dirty.
• The AC power cord is not plugged in.
• The carrousel is locked.
The disc is placed upside down.
• No MP3 files are recorded on the disc.
• MP3 files do not have the file
extension—.MP3, .Mp3, .mP3, or .mp3 in
their file names.
• MP3 files are not recorded in the format
compliant with ISO 9660 Level 1 or
Level 2.
The readout time varies with the complexity
of the recording configuration.
Power supply from the AC power cord has
been cut off while the tape was running.
Small tabs on the back of the cassette are
removed.
The built-in microprocessor may
malfunction due to external electrical
interference.
• The path between the remote control and
the remote sensor on the unit is blocked.
• The batteries are exhausted.
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