Question about Amplifiers & Preamps
The "switched off by itself" is indicative that the auto-protect is acting. Auto protect senses that there is something wrong within the unit and rather than the damage extend to other areas, it simply switches the entire unit off. On some models, this also hold true if there are no or faulty speakers connected to the receiver. In others, this happens when there is no intelligent signal received such as in FM when an antenna would be required.
If you have verified that it is not poor signal, speaker problem, then perhaps your best bet would be to seek the services of a qualified audio technician since this would involve electronic circuitry/component diagnosis, soldering and the use of a DVM.
hope this be of some help/idea. Post back how things turned out or should you need additional information.
Good luck and kind regards.
Posted on Nov 03, 2007
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