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.
•One of the unit’s safety devices may have been activated.
Reset the unit as follows:
1Press [Í/I] on the main unit to switch the unit to standby.
•If the unit does not switch to standby, press [Í/I] on the main unit for a few seconds. The unit is forcibly switched to standby. Alternatively, disconnect the AC power supply cord, wait one minute, then reconnect it.
2Press [Í/I] on the main unit to switch it on. If the unit still cannot be operated, consult the dealer.
The display panel lights up and changes continuously in standby mode.
•Press and hold [∫] on the main 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, 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.
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.
Disc
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
•There is condensation. Let the system dry for 1 to 2 hours.
The total number of tracks displayed is incorrect. The disc cannot be read.
Distorted sound is heard.
•You put in a disc that the system cannot play. Change to a playable disc.
•You put in a disc that has not been finalized.
USB
The USB device or the contents in it cannot be read.
•The format of the USB device or the contents in it is/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.
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.
Stations cannot be selected.
•Change the FM frequency step.
1 Press
2 Press and hold
After a few seconds, the display panel shows the current minimum radio frequency. Release the button when the minimum frequency changes.
Bluetooth®
Pairing cannot be done.
• Check the Bluetooth® device condition.
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 device is connected but audio cannot be heard through the system.
•For some
Sound from the device is interrupted.
•The device is out of the 10 m (33 ft) 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
•Make sure the unit and the NFC feature of the device are turned on. (> p.10)
ENGLISH
VQT5F35
15
