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Panasonic SA-AK780 Руководство по эксплуатации

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

When the unit is in standby

mode, the display lights up

and changes continuously.

No response from the unit

even though it has been

turned on.

No response when remote

control buttons are pressed.

Distorted sound or no sound.

A "humming" sound can be

heard during play.

■ Discs

Incorrect display or play will

not start.

The total number of tracks

displayed is incorrect.

The disc cannot be read.

Distorted sound is heard.

Disc tray(s) cannot open.

■ 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

device.

■ Unit displays

"NO PLAY"

"F61"

"ERROR"

"ERROR" (during recording)

"VBR–"

"– –:– –" (during standby

mode)

"USB OVER CURRENT

ERROR"

RQT8043

RQTX0266-M_en.indd 18

• Turn off the demo function.

• Press [y/l, POWER] for more than 10 seconds to turn off the unit. Alternatively, unplug the

AC power supply cord and plug it in after a lapse of a few seconds.

Turn the unit on again.

• 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 power supply cord 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.

• You have inserted a disc the unit cannot play; insert one it can.

• You have inserted a disc that has not been ﬁ nalized or completely formatted.

• Press [y/I, POWER] to release the jammed tray(s) as the unit will switch off. Turn it on

again and the tray(s) will initialize to the previous tray(s) condition.

• If this still does not ﬁ x the problem, please consult the dealer.

• Use an outdoor antenna.

• Turn the television off or move it away from the unit.

• Switch to either BP 1 or BP 2 when in AM tuner mode.

• Separate the antenna from other cables and cords.

• The USB drive format or its contents is/are not compatible with the system.

• The USB host function of this product may not work with some USB devices.

• USB devices with storage capacity of more than 32 gigabytes may not work in some

instances.

• Large ﬁ le size or high memory USB ﬂ ash drive takes longer time to read.

• Check the content.

• Only MP3 format ﬁ les can be played.

• Check and correct the speaker cords connection.

If this does not ﬁ x the problem, consult the dealer.

• Disconnect the USB device. Turn the unit off and then turn back on.

• Incorrect operation performed. Read the instructions and try again.

• You are not able to select other playback source (example: radio, USB and etc.) or press

[4 / 1] or [¡ / ¢] during recording.

Stop the recording function.

• You are not able to open the disc tray when recording from AM source.

• Select a suitable recording mode (128 KBPS or 192 KBPS) and resume recording.

• The unit cannot display the remaining play time for variable bit rate (VBR) tracks.

• You plugged the AC power supply cord in for the ﬁ rst time or there was a power failure

recently.

• Set the time.

• The USB device is drawing too much power. Disconnect the USB device. Turn the unit off

and then back on.

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