Appendix B-Troubleshooting - JVC MX-DVA9 Instructions Manual

Appendix B
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
Unable to cancel the display demonstration.
No sound is heard.
Hard to listen to broadcasts because of
noise.
The disc sound is discontinuous.
The disc tray does not open or close.
The disc does not play.
No picture appears on the screen.
DVD does not playback.
The left and right edges of the picture are
missing on the screen.
No subtitle appears on the display though
you have selected the initial subtitle
language.
Audio language is different from the one
you have selected as the initial audio
language.
Impossible to record.
Operations are disabled.
Unable to operate the unit from the remote
control.
—Troubleshooting
Other buttons are pressed to cancel the
display demonstration.
• Connections are incorrect or loose.
• You are playing a disc encoded with DTS
Digital Surround.
• 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.
• Trays are locked.
The disc is placed upside down.
• The video cord is not connected correctly.
• An incorrect input has been selected on
the TV or monitor.
• Incorrect output mode is selected.
Parental lock is in used.
"4:3 PS
conventional TV (aspect ratio 4:3).
Small tabs on the top 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.
Cause
" is selected when viewing on a
– 44 –
Action
Press CANCEL/DEMO on the unit. (See
page 9.)
• Check all connections and make
corrections. (See pages 6 to 9.)
• This unit cannot output DTS sound
without connecting a decoder compatible
with DTS Digital Surround (with
"DIGITAL AUDIO OUTPUT" to
"STREAM/PCM"—See page 33.)
• 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 43.)
• Plug the AC power cord.
• Unlock the trays. (See page 19.)
Place the disc with the label side up.
• Connect the video cord correctly.
• Select the correct input on the TV or
monitor.
• Press and hold 7 until "SOUT" appears
on the display.
Unlock the parental lock. (See page 37.)
Select "4:3 LB ." (See page 35.)
Some DVDs are programed to always
display no subtitle initially. If this happens,
press SUBTITLE on the remote control
after starting play. (See page 33.)
Some DVDs are programed to always use
the original language initially. If this
happens, press AUDIO while holding down
SHIFT on the remote control after starting
play. (See page 33.)
Cover the holes with adhesive tape.
Unplug the AC power cord and then plug it
back in.
• Remove the obstruction.
• Replace the batteries.