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Инструкция по эксплуатации Legacy Car Audio, модель L A 6 7 0

Производитель: Legacy Car Audio
Размер: 2.29 mb
Название файла:
Язык инструкции:en
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Фрагмент инструкции


• Check for good ground connection. • Check that remote DC terminal has at least +12v DC. • Check that there is battery power on the + terminal. • Check all fuses. • Check that Protection LED is not lit. If it is lit, shut off amplifier briefly and then repower it. High hiss or engine noise (alternator whine) in speakers. • Disconnect all RCA inputs to the amplifier(s) – if hiss/noise disappears, then plug in the component driving the amplifier and unplug its inputs. If hiss/noise disappears, go on until the faulty/noisy component is found. • It is best to set the amplifier's input level as insensitive as possible. The best subjective S/N ratio is obtainable this way. Try to drive as high a signal level from the head unit as possible. Protection LED comes on when the amplifier is powered up. • Check for shorts on speaker leads. • Check that the volume control on the head unit is turned down low. • Remove speaker leads, and reset the amplifier. If the Protection LED still comes on, then the amplifier is faulty. Amplifier(s) gets very hot. • Check that the minimum speaker impedance for that model is correct. • Check for speaker shorts. • Check that there is good airflow around the amplifier. In some applications, an external cooling fan may be required. Distorted sound • Check that the Level control(s) is set to match the signal level of the head unit. • Check that all crossover frequencies are properly set. • Check for shorts on the speaker leads. High squeal noise from speakers. • This is almost always caused by a poorly-grounded RCA patch cord. Before removing your amplifier, refer to the list below and follow the suggested procedures. Always test the speakers and their wires first. speakers L Mono Subwoofer MINIMUM SPEAKER IMPEDANCE R 4 OHMS! speaker MINIMUM SPEAKER IMPEDANCE 4 OHMS! speakers L R MINIMUM SPEAKER IMPEDANCE 4 OHMS! LA670 LA870 4CH AMPS 2CH AMPS LA370 LA470 LA570 LA770 LA970 LA1470 LA1870 LA2070 4CH AMPS LA670 LA870 ...

Эта инструкция также подходит к моделям:
Автоусилители - L A 3 7 0 (2.29 mb)
Автоусилители - L A 4 7 0 (2.29 mb)
Автоусилители - L A 5 7 0 (2.29 mb)
Автоусилители - L A 7 7 0 (2.29 mb)

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