Question about Technics SA-DX1050 Receiver

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Digital sourround sound goes on and off

The digital indicator light blinks on and off causing the sound to do the same. After a while the light indicator and sound completely stops. I have tried unplugging from the wall as the instructions indicates when all else fails. It works for a few seconds then starts the intermittent sound again. Not sure if this part is going bad in the unit. Does it need to go to the shop?

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Re: Digital sourround sound goes on and off

When you say the light and the sound goes away after a short time Im thinking that theres a power supply problem as if the fault was in the output or the processor two things wouldnt happen at once. Im thinking if you like the reciver YES to taking it into a repair shop for an estimate, as there are no user replacable or serviceable parts inside this unit. If you can find your owners manual, there is a # or address you can contact to find the closest authorized repair place. Good Luck

Posted on Jun 12, 2006

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The sequence of events is probably more like (cause) the digital signal degrades sufficiently to overcome correction; (effect) the PCM light drops out and sound is no longer decoded. Silence.

Consider the source, the media (as applicable) and its cable as suspects.

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Your symptom sounds like a poor digital connection. The receiver is probably configured to prefer the digital feed if both digital and analog are present from a given source. That it blinks the 'analog' indicator means it thinks the digital signal is degraded.

I believe you're using HDMI. If your cable box has either optical or coaxial digital outputs, try one or both and proceed from there. You could also certify the health of the receiver input that's failing by connecting another device (your Blu-Ray?) to it to test it out, or simply borrow its cable.

If the input works with another device THAT would indicate a problem upstream and external from the receiver - cable, output of the cable box. Optical cables are more finicky than coaxial and do not tolerate being routed in tight radious bends.

DTS isn't Dolby. Read up on it here -

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