Panasonic SC-PMX4 - Troubleshooting Common Issues; Common Problems and Solutions; Disc Playback Issues; Radio Reception Problems

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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 in the
chart do not solve the problem, consult your dealer for instructions.
■ Common problems Page
No response when remote control
buttons are pressed.
• Check that the batteries are installed correctly. 6
Distorted sound or no sound.
• 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.
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A “humming” sound can be heard
during play.
• An AC mains lead or fl uorescent light is near the unit. Keep other appliances and
cords away from the unit.
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■ Disc
Incorrect display or play will not start.
• 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.
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■ Radio
Distorted sound or noise is heard.
The stereo indicator fl ickers or does
not light.
• Use an outdoor antenna. 6
A beat sound is heard.
• Turn the television off or move it away from the unit. —
A low hum is heard during AM
broadcast.
• Separate the antenna from other cables and cords. —
■ USB
The USB drive or its contents cannot
be read.
• 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.
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Slow operation of the USB fl ash drive.
• Large fi le size numerous fi les or high memory USB fl ash drive takes longer time to
read.
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USB recording stops suddenly.
“REC ERROR” is displayed.
• Select a suitable recording mode (128 KBPS or 192 KBPS) and resume recording. 14
■ Unit displays
“NO PLAY”
• Check the content.
• Only MP3 format fi les can be played.
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“USB OVER CURRENT ERROR”
• The USB mass storage device rating exceeds 500mA. Disconnect the USB device.
Turn the unit off and then back on.
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“F61”
• Check and correct the speaker cable connections.
If this does not fi x the problem, consult the dealer.
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“F76”
• There is a power supply problem. Consult the dealer. —
“ERROR”
• Incorrect operation performed. Read the instructions and try again. —
“VBR–”
• 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.
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“MP3 ERROR” or “PLAYERROR”
• You have played an unsupported format.
Check the contents.
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“UNSUPPORT”
• You have inserted an unsupported device. 14
“HI-SPEED CAN’T REC”
• You cannot use high-speed recording while using analogue mode. Change to digital
mode or use normal recording.
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