Panasonic SC-UA7 Troubleshooting Manual

Troubleshooting

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, consult your dealer for instructions.

Common problems

The unit does not work.

• The safety device has been activated. Do the following:
  1. Touch [ ] on the unit to switch the unit to standby mode. If the unit does not switch to standby mode,
     • Touch and hold the touch key for a minimum of 10 seconds. Or,
     • Disconnect the AC mains lead and then connect it again.
  2. Touch [ ] again to switch on the unit. If the problem persists, consult your dealer.

The display panel lights up and changes continuously in standby mode.

• Touch and hold [ ] on the unit to select "DEMO OFF".

No operations can be done with the remote control.

• Examine that the battery is installed correctly.

Sound is distorted or no sound.

• Adjust the volume of the system.
• Switch off the system, determine and correct the cause, and then switch 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 mains lead or fluorescent light is near the cables. Keep other appliances and cords away from the cables of this system.

The sound level reduces.

• The protection circuit has been activated due to the continuous use at high volume output. This is to protect the system and maintain the sound quality.

USB

The USB device or the contents in it cannot be read.

• The format of the USB device or the contents in it are not compatible with the system.
• USB devices with storage capacity of more than 32 GB cannot work in some conditions.

Slow operation of the USB device.

• Large content size or large memory USB device takes longer time to read.

Bluetooth

Pairing cannot be done.

• Check the Bluetooth device condition.
• The device is out of the 10 m communication range. Move the device nearer to the system.

The device cannot be connected.

• The pairing of the device was unsuccessful. Do pairing again.
• The pairing of the device has been replaced. Do pairing again.
• This system might be connected to a different device. Disconnect the other device and try pairing the device again.
• The system may have a problem. Switch off the system and then switch on again.

The device is connected but audio cannot be heard through the system.

• For some built-in Bluetooth devices, you have to set the audio output to "SC-UA7" manually. Read the operating instructions of the device for details.

Sound from the device is interrupted.

• The device is out of the 10 m communication range. Move the device nearer to the system.
• Remove any obstacle between the system and the device.
• Other devices that use the 2.4 GHz frequency band (wireless router, microwaves, cordless phones, etc.) are interfering. Move the device nearer to the system and distance it from the other devices.
• Select "MODE 1" for stable communication.

The one-touch connection (NFC) is not working.

• Make sure the system and the NFC feature of the device are switched on.
• Touch and hold the device on the NFC touch area of the unit again.

Playback image and sound are not synchronised.

• Restart the playback app of the device.
• Connect the device to the system with an audio cable (not supplied).

Radio

Sound is distorted.

• Use an optional FM outdoor antenna. The antenna should be installed by a competent technician.

A beat sound is heard.

• Switch off the TV or move it away from the system.
• Move mobile telephones away from the system if the interference is apparent.

D-IN/AUX

Playback image and sound are not synchronised.

• When in D-IN source, set "D-IN MODE" to "MODE 2".
• When in AUX 1 or AUX 2 source, set "AUX MODE" to "MODE 2".

Karaoke effect cannot be used.

• When in D-IN source, set "D-IN MODE" to "MODE 1".
• When in AUX 1 or AUX 2 source, set "AUX MODE" to "MODE 1".

Unit displays

"ADJUST CLOCK"

• The clock is not set. Adjust the clock.

"ADJUST TIMER"

• The play timer and/or record timer is not set. Adjust the play timer and/or record timer.

"ALB FULL"

• The number of albums has exceeded the supported limit.

"AUDIO UNSUPPORTED"

• The signal format or frequency is not supported.
• This system does not support bitstream signals. Change the digital audio output setting on the external equipment to PCM.
• This system supports sampling frequencies of 32 kHz, 44.1 kHz and 48 kHz. Select only the supported sampling frequencies on the connected equipment.
• Try connecting the external equipment by using the auxiliary input

"AUTO OFF"

• The system has not been used for 20 minutes and will switch off within a minute. To cancel, press any button or touch any touch key.

"CAN'T REC"

• You cannot do recording because the remaining recording time of the USB device is less than the total time of the music source. Change to a USB device which has enough recording time and do the recording again.
• You cannot do recording because the USB device is write-protected. Remove the write protection of the USB device and try again.

"DEVICE FULL"

• You cannot do recording because the remaining recording time of the USB device is less than the total time of the music source. Change to a USB device which has enough recording time and do the recording again.

"ERROR"

• An incorrect operation was done. Read the instructions and try again.

"ERROR" (during recording)

• You cannot select other playback source (example: radio, USB etc.) or press [ ] or [ ] during recording. Stop the recording function.

"F61"

• There is a problem with the amplifier of the system.
• Disconnect the USB device. Switch off the system and then switch on again.

"F703"

• Examine the Bluetooth connection.
• Disconnect the Bluetooth device. Switch off the system and then switch on again.

"F76"

• There is a problem with the power supply.
• Disconnect the AC mains lead and consult your dealer.

"F77"

• Disconnect the AC mains lead and consult your dealer.

"NO DEVICE"

• You cannot do recording or check available storage space because there is no USB device connected to .

"NO PLAY"
"UNSUPPORT"

• Examine the content. You can only play supported format.
• The files in the USB device can be corrupted. Format the USB device and try again.
• The system may have a problem. Switch off the system and then switch on again.

"NO TRACK"

• There is no album or track in the USB device or the internal memory.

"PLAYERROR"

• An unsupported MP3 file has been played. The system will skip that track and play the next one.

"REC ERROR"

• You disconnected the USB device during recording. Connect the USB device and do recording again. • An error occurred during USB recording. Disconnect the USB device and then connect it again.

"REMOTE 1"
"REMOTE 2"

• The remote control and the unit are using different codes. Change the code of the remote control.
  • When "REMOTE 1" is shown, press and hold [OK] and [1] for a minimum of 4 seconds.
  • When "REMOTE 2" is shown, press and hold [OK] and [2] for a minimum of 4 seconds.

"TRK FULL"

• The number of files has exceeded the supported limit.

"USB A NO DEVICE"
"USB B NO DEVICE"

• The USB device is not connected. Examine the connection.

"USB OVER CURRENT ERROR"

• The USB device is using too much power. Disconnect the USB device, switch off the system and then switch on again.

"VBR"

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

Remote control code

When other Panasonic equipment responds to the remote control of this system, change the remote control code for this system.

Preparation
Press [RADIO/EXT-IN] to select "AUX 1" or "AUX 2".

To set the code to "REMOTE 2"

1. Touch and hold [SELECT] on the unit and [2] on the remote control until "REMOTE 2" is shown.
2. Press and hold [OK] and [2] for a minimum of 4 seconds.

To set the code to "REMOTE 1"

1. Touch and hold [SELECT] on the unit and [1] on the remote control until "REMOTE 1" is shown.
2. Press and hold [OK] and [1] for a minimum of 4 seconds.

System memory reset

Reset the memory when the following situations occur:

• There is no response when buttons are pressed or when touch keys are touched.
• You want to clear and reset the memory contents.

1. Touch and hold [ ] on the unit until "RESET?" is shown.
2. While you touch and hold [ ] on the unit, touch [SELECT].
   "RESET" is shown.
   After "– – –" is shown, the unit will switch off automatically.
   All the settings are set back to the factory preset. It is necessary to set the memory items again.

Documents / Resources

Download manual

Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.

Download Panasonic SC-UA7 Troubleshooting Manual