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RQT9539
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Troubleshooting guide
Before requesting service, make the following checks.
If you are in doubt about some of the check points, or if
the solutions indicated do not solve the problem, refer to
“Product information” on page 3.
Common problems
No operations can be done with the remote control.
• Examine that the battery is installed correctly.
Sound is distorted or no sound.
• Increase the volume.
• Switch off the system, determine and correct the cause,
then switch the system on again. It can be caused by
straining of the speakers through excessive volume or
power, and when using the system in a hot environment.
A “humming” sound can be heard during playback.
• An AC power supply cord or fluorescent light is near the
cables. Keep other appliances and cords away from the
cables of this system.
Discs
Display not shown correctly.
Playback does not start.
• You have not put in the disc correctly. Put it in correctly.
• Disc is dirty. Clean the disc.
• Replace the disc if it is scratched, warped, or
non-standard.
• There is condensation. Let the system dry for 1 to 2
hours.
Radio
A beat sound is heard.
• Switch off the TV or move it away from the system.
• Set to “BP 1” or “BP 2” when in AM tuner mode.
A low hum is heard during AM broadcasts.
• Move the antenna away from other cables and cords.
iPod or iPhone
You cannot switch on the iPod or iPhone.
• Examine that the battery of the iPod or iPhone is not
depleted.
• Switch off the iPod or iPhone and the system before you
connect the iPod or iPhone. Connect the iPod or iPhone
and try again.
No sound.
• Switch off the iPod or iPhone and remove from the
system. Connect the iPod or iPhone to the system and
switch it on and play it again.
USB
The USB mass storage device or the contents in it
cannot be read.
• The format of the USB mass storage device or the
contents in it is/are not compatible with the system.
• USB mass storage devices with storage capacity of more
than 32 GB cannot work in some conditions.
Slow operation of the USB mass storage device.
• Large content size or large memory USB mass storage
device takes longer time to read.
The elapsed time shown is different from the actual
play time.
• Transfer the data to another USB mass storage device
or backup the data and reformat the USB mass storage
device.
Main unit displays
“NO PLAY”
• Examine the content. You can only play supported
format.
• If there are more than 255 albums or folders (audio
and non-audio), some of the MP3 files in these albums
cannot be read and played. Transfer these music albums
to another USB mass storage device. Alternatively,
reformat the USB mass storage device and save these
music albums prior to saving the other non-audio folders.
“F61” or “F76”
• There is a power supply problem.
“ERROR”
• An incorrect operation was done. Read the instructions
and try again.
“NOT MP3/ERROR”
• An unsupported MP3 format. The system will skip that
track and play the next one.
“VBR–”
• The system cannot show the remaining play time for
variable bit rate (VBR) tracks.
“DIMMER”
• 10 seconds after the volume is set to “0”, the brightness
of the display panel is decreased.
“NODEVICE”
• The USB mass storage device, iPod or iPhone is not
connected. Examine the connection.
“NO DISC”
• You have not put in a disc or put in a disc that the system
cannot play (
Z
8).
“NOT SUPPORT”
• You have inserted an iPod or iPhone that cannot be
played.
• Switch off the iPod or iPhone and the system before you
connect the iPod or iPhone. Connect the iPod or iPhone
and try again.
“--:--”
• You connected the AC power supply cord for the first
time or there was a power failure recently. Set the clock.
“ADJUST CLOCK”
• Clock is not set. Adjust the clock accordingly.
“ADJUST TIMER”
• Play timer is not set. Adjust the play timer accordingly.
“PGM FULL”
• The number of programmed tracks is more than 24.
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