I just purchased a used, but good condition Sony STR-DE675 5.1 AV receiver. I have two Sony bookshelf speakers connected to the FRONT speaker jacks on the side. No matter how I try to power up the unit, the Speaker OFF (SP:OFF) continues to display.
1) No, no speaker wires are touching each other
2) Yes, I hear audio from the connected Sony tape deck and Sony minidisc player through the headphone jack of the DE675
What gives? I am STUMPED!
Thx!!
There's a button that turns the speakers OFF right above the headphone jack.
Get the manual: retrevo.com
Testimonial: "@dunnbiker Very true on assumptions! I've tried everything the manual suggests. Right now, nothing is connected to the unit, but upon power up, I get the SP:OFF display (which is not seen in the DEMO mode). I will try the headphone jiggling idea and see what happens."
One can't make assumptions at my end. Are there other efforts you have tried but not mentioned?
If it THINKS there's a headphone inserted it turns speakers off. The internal contact that allows speakers to be on is probably a spring-tensioned normally-closed contact. Perhaps cycling the headphone plug in and out might exercize it enough to wear through corrosion.
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@dunnbiker: I have not one, but TWO .pdf files of the manual. Pressing the button does nothing.
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