| | | TROUBLESHOOTING |
Troubleshooting | | | | |
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| | PROBLEM | CAUSE/REMEDY | | | |
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| | No power when the amplifier | -Switch on the electric current at the socket. | | | |
| | Is turned on. | -Check that the plug has been correctly inserted into the | | | |
| | | socket. | | | |
| | | -The internal fuse has blown and must be replaced by a | | | |
| | | qualified service technician. | | | |
| | | -The power cord has been damaged and must be replaced | | | |
| | No sound. | -The amplifier has not been turned on. | | | |
| | | -The volume control is set at a minimum (see page 14). | | | |
| | | -The speaker cables have not been correctly connected. | | | |
| | | -A wrong input source has been selected. | | | |
| | | -No input source has been connected. | | | |
| | | | | | |
| | There is sound in one channel only. | -The balance control is not correctly adjusted (see page | | | |
| | | 16). | | | |
| | | -The audio input cables have been incorrectly connected | | | |
| | | or damaged. | | | |
| | | -The input source is defective. | | | |
| | | -The speaker cables have been incorrectly connected or | | | |
| | | damaged. | | | |
| | | -The speakers are defective. | | | |
| | High buzzing. | -The audio input cables have been incorrectly connected | | | |
| | | or damaged. | | | |
| | | -The ground cable for the record player has not been | | | |
| | | connected. | | | |
| | | -The record player pick-up is defective. | | | |
| | | | | | |
| | Weak bass and poor stereo | -The speaker connection is out of phase. Check that the | | | |
| | perspective | positive and negative poles have been correctly | | | |
| | | connected, both at the back of the amplifier and at the | | | |
| | | back of the speaker. | | | |
| | | | | | |
| | Distortion of sound. | -Some of the conductor wires of the speaker cable are in | | | |
| | | contact with each other which causes distortion. | | | |
| | | -Bass and treble controls are set too high in relation to | | | |
| | | speaker specifications. | | | |
| | | -The volume is set too high. | | | |
| | The LCD display does not display | -The amplifier is defective and should be serviced by a | | | |
| | any information. | qualified technician. | | | |
| | | | | | |
| | “ERROR 1” is displayed on the LCD | -The amplifier is defective and should be serviced by a | | | |
| | display | qualified technician. | | | |
| | The unit does not switch between | - The amplifier is defective and should be serviced by a | | | |
| | inputs modes | qualified technician. | | | |
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