Troubleshooting - JVC CA-WMD90R Instructions Manual

Troubleshooting

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.
Symptom
No sound is heard.
Unable to record on an MD.
Poor radio reception.
The CD skips.
Unable to operate the remote control.
The number buttons and CD and MD
operation buttons on the remote control
do not function correctly.
Loaded CDs and MD cannot be
ejected.
The CD does not play.
Operations are disabled.
Possible Cause
Connections are incorrect, or loose.
• You are using a prerecorded MD.
• The MD is write-protected.
• The antenna is not connected
correctly.
• The AM loop antenna is too close
to the unit.
• The FM antenna is not properly
extended and positioned.
The CD is dirty or scratched.
• The path between the remote
control and the remote sensor on
the unit is blocked.
• The batteries have lost their charge.
The operation modes for the unit and
for the remote control do not match.
• The main AC power cord is not
plugged in.
• The Disc Lock function is in use.
The CD is upside down.
The built-in microprocessor has
malfunctioned due to external electrical
interference.
– 56 –
Continued
Action
Check all connections and make
corrections. (See pages 6 – 9.)
• Change it with a recordable MD.
• Unprotect the MD. (See page 30.)
• Reconnect the antenna securely.
• Change the position and direction of
the AM loop antenna.
• Extend FM antenna to the best
reception position.
Clean or replace the CD. (See page 53.)
• Remove the obstruction.
• Replace the batteries.
Match them correctly.
• Plug in the AC power plug.
• Turn off the Disc Lock function.
(See page 22.)
Put the CD in with the label side up.
Unplug the unit then plug it back in.