Troubleshooting - JVC KW-XC777 Instructions Manual

What appears to be trouble is not always serious. Check the following points before calling a service
center.
Symptoms
• CD cannot be played back.
• CD sound is sometimes
interrupted.
• "NO DISC" appears on the
display.
• CD can neither be played
back nor ejected.
• "EJECT ERR" appears on
the display.
• A cassette tape cannot be
inserted.
• Cassette tapes become hot.
• Tape sound is at very low
level and sound quality is
degraded.
• Sound is sometimes
interrupted.
• Sound cannot be heard from
the speakers.

TROUBLESHOOTING

Causes
CD is inserted upside down.
You are driving on rough
roads.
CD is scratched.
Connections are incorrect.
No CD is in the loading slot
(or in the magazine.)
CD is inserted incorrectly.
The CD player may function
incorrectly.
The CD was interrupted
ejection or insertion.
You have tried to insert a
cassette in the wrong way.
This is not a malfunction.
The tape head is dirty.
Connections are not good.
The volume control is turned
to the minimum level.
Connections are incorrect.
Remedies
Insert the CD correctly.
Stop CD play while driving on
rough roads.
Change the CD.
Check the cords and
connections.
Insert CD.
Insert it correctly.
Press and hold both the
and CD 0 buttons
/ ATT
at the same time for several
seconds.
Press CD 0, or press both
and CD 0
the
/
ATT
buttons together to clear the
message.
Insert the cassette with the
exposed tape facing right.
———————
Clean it with a head cleaning
tape.
Check the cords and
connections.
Adjust it to the optimum level.
Check the cords and
connections.
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