Troubleshooting Guide - Panasonic SC-PMX4 Operating Intstructions

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 in the
chart do not solve the problem, consult your dealer for instructions.
■ Common problems
No response when remote control
buttons are pressed.
Distorted sound or no sound.
A "humming" sound can be heard
during play.
■
Disc
Incorrect display or play will not start.
■ Radio
Distorted sound or noise is heard.
The stereo indicator fl ickers or does
not light.
A beat sound is heard.
A low hum is heard during AM
broadcast.
■ USB
The USB drive or its contents cannot
be read.
Slow operation of the USB fl ash drive.
USB recording stops suddenly.
"REC ERROR" is displayed.
■ Unit displays
"NO PLAY"
"USB OVER CURRENT ERROR"
"F61"
"F76"
"ERROR"
"VBR–"
"- -:- -"
"MP3 ERROR" or "PLAYERROR"
"UNSUPPORT"
"HI-SPEED CAN'T REC"
16
16
PMX4_EP_EN.indd 16 PMX4_EP_EN.indd 16
• Check that the batteries are installed correctly.
• Turn the volume up.
• Turn off the unit, determine and correct the cause, then turn the unit on again.
It may be caused by straining of the speakers through excessive volume or power,
and using the unit in a hot environment.
• An AC mains lead or fl uorescent light is near the unit. Keep other appliances and
cords away from the unit.
• You have not inserted the disc correctly; insert it correctly.
• Disc may be dirty. Wipe it clean.
• Replace the disc if it is scratched, warped, or non-standard.
• Condensation has formed: Wait 1 to 2 hours for it to evaporate.
• Use an outdoor antenna.
• Turn the television off or move it away from the unit.
• Separate the antenna from other cables and cords.
• The USB drive format or its contents is/are not compatible with the system, "NO
PLAY" is displayed. Unplug the USB device and insert it again.
• Alternatively, format the USB device and record the desired tracks again and playback
the device.
• The USB host function of this product may not work with some USB devices.
• USB devices with storage capacity of more than 8 gigabytes may not work in some
instances.
• Large fi le size numerous fi les or high memory USB fl ash drive takes longer time to
read.
• Select a suitable recording mode (128 KBPS or 192 KBPS) and resume recording.
• Check the content.
• Only MP3 format fi les can be played.
• The USB mass storage device rating exceeds 500mA. Disconnect the USB device.
Turn the unit off and then back on.
• Check and correct the speaker cable connections.
If this does not fi x the problem, consult the dealer.
• There is a power supply problem. Consult the dealer.
• Incorrect operation performed. Read the instructions and try again.
• The unit cannot display the remaining play time for variable bit rate (VBR) tracks.
• You plugged the AC mains lead in for the fi rst time or there was a power failure
recently.
• Set the time.
• You have played an unsupported format.
Check the contents.
• You have inserted an unsupported device.
• You cannot use high-speed recording while using analogue mode. Change to digital
mode or use normal recording.
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12/23/08 2:37:55 PM 12/23/08 2:37:55 PM