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Chapter 7 TroubleshootingChapter 7 Troubleshooting
The device you have just purchased is equipped with state-of-the-art technology and is safe to
operate. Nevertheless, problems or malfunctions may occur.
Before contacting a service technician, refer to the following possible solutions:
Distorted sound or no sound is audible.
› Check if all cables are properly connected.
› Check if all devices have been turned on and/or are connected.
› Check if the right input source has been selected.
› Check the volume control’s position.
Remote control is not working.
› Check if the batteries have been inserted correctly.
› If batteries are empty, replace them with new ones.
› Point the remote control to the remote sensor and press to operate.
› Remove any objects found between the remote control and the remote sensor.
› Make sure the distance between the remote control and the device does not exceed 8 m.
Buttons do not function (on the device and/or remote control).
› Turn the device o and then on again. As an alternative, turn the device o , unplug it from the
power outlet and plug in again. (The device also may not be functioning due to a stroke of light-
ning, static electricity or other external factors.)
A channel does not function.
› The audio cable connected either to the end device or ampli er input has become loose.
› A loudspeaker cable connected to the speaker terminal has become loose.
A buzzing sound can be heard.
› An overampli ed signal has been transmitted to the ampli er input.
› The volume is too high, causing speaker distortion.
› The treble and bass control dials have been turned up to high.
› There is no ground terminal connection or it’s been disconnected (this applies to record player
playback).
› An audio cable may be defec
Distortion results.
› An overampli ed signal has been transmitted to the ampli er input.
› The volume is too high, causing speaker distortion.
› The selected audio source is a high level device, which has been incorrectly connected to the
ampli er’s PHONO input.
Playback occurs without bass.
› Connected loudspeaker poles are reversed (+ and – are mixed up).
› The „BASS“ control on the ampli er has been set to minimum.
Playback occurs without treble.
› The „TREBLE“ control on the ampli er has been set to minimum.
Any repairs other than those mentioned above are to be carried out solely by an autho-
rized technician. Never try to repair this device yourself!
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Troubleshooting
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