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I have an optimus stav 3670 stereo reciever that wont turn on. I have located 3 fuses, all test good. No lights, click, or any sound or reaction when power button pushed. I'm hoping there is a 4th fuse that I can't locate. Continuity from plug end all the way to transformer. Any ideas, I hope. Thank you, Mike.

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Mike, sounds as if it's not getting voltage to the remote control receiver circuit? Meaning that there is a low voltage (5volts) that sits there and waits for the signal from your remote to turn the unit on. This is also through the front power switch which is also tied to your on-off power relay. I would check for 5 volts around that. More that likely you a 5 volt regulator shot. Hope this may help?

Posted on Nov 26, 2013

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