Question about Onkyo TX-SR502 Receiver
My Receiver shuts off by itself. It will stay on for a couple of seconds and shut off. I was able to get it to stay on but it sounded awful and it got uncontrolanbly loud. I went to turn the volume knob and it shut off immediatly. What is wrong with my baby? How much will it cost to fix? A friend of mine thinks it's a blown fuse, is that true? Thank you in advance!
SOURCE: Onkyo TX-SR502 protection mode
Hello! One of the channels in your unit has shorted output transistors and is sending about 60 volts towards your speakers. If your unit has an output chip ( I don't ever remember seeing an Onkyo with a chip though...all discrete transistors ) it is shorted. Your unit is well worth repair. Onkyo is an execellent unit. Please rate this solution! Thankyou!
Posted on Oct 08, 2008
Adjust bass control to half position then feed loud signal,if it shut off adjust the bass contol to zero position,if it shut off again the defect is in the over load protection circuit it is already sensetive to loud signal.you may call the nearest audio amplifier technician on you.
Hope it may help you,
Posted on Dec 29, 2008
Not worth repairing until the root cause of the failure is proven.
The reason being is that you can have it happen again if caused by any of the devices attached to it, such as inefficient speakers.
Posted on Jun 06, 2010
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