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Technics receiver "overload"

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Hi Donna,
Overload indicated of excessive load to the power supply due to shorts. It will not power up(normal operation) unless the shorted parts isolated. The most common caused of this fault was came from the shorted output IC/transistor. These parts are mounted in the heat sink. You must pull-out these parts from the board and then turn on the unit. It will back to operation again because the power supply will not go to overload but will not produce sound because the Output IC was disable(not in the board).
If you don't have necessary tools and test instrument and can't troubleshoot the symptom yourself, I would advice you to look for a qualified technician to isolate the problem.
But first perform this :
Pull-out all inputs and cable in the unit. Turn it on, if "overload" still there, try the above solution. Let me know if the symptom does not show up.
Hope I helped you.
Have a nice day!
Thanks for using Fixya.

Posted on Apr 02, 2011

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