Question about Onkyo TX-DS676 Receiver

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Onkyo sound popping / protected shows in the display

Lightening recently struck near our home. My Onkyo receiver is plugged into a Monster 3600 power filter. However, after the lightening strike, my receive now generates lots of noise and popping when I turn the volume up. Also it will pop, then show "protected" in the display, and an internal fan comes on. Is my receiver cooked, or can it be repaired?

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  • Anonymous Mar 18, 2014

    I had an Onkyo receiver before with no problems until lightening got it. When I turn up the volume to medium, the system shuts off after a few seconds. I read that the regulator was bad. How do I get a new one installed?



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It depends on what happened to the receiver. Have you tried to connect up the unit to the wall socket yet, without the Monster power strip? If that does not help you, and the unit still gets pops and goes into protect mode, you have an issue with one of the output stages in the amp. I'm afraid that this type of repair can only be diagnosed by a tech who knows how to trouble shoot solid state amplifiers. You may also contact Monster cable, as if you can get the tech to agree with you on the cause of the problem, most of the Monster Cable power strips come with a warranty against this problem from happening and will pay for the repair. Good Luck

Posted on Aug 09, 2007


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Try resetting the AV receiver To reset the AV receiver to its factory defaults, turn it on and, while holding down VCR/DVR, press 8 ON/STANDBY. "Clear" will appear on the display and the AV receiver will enter Standby mode.

It is possible that the protection circuitry has been activated. Remove the power cord from the wall.. Disconnect all speaker cables and input sources, and then leave the AV receiver with its power cord disconnected for 1 hour. After that, reconnect only the power cord and set the volume to maximum. If the AV receiver stays on, set then the volume to minimum, disconnect the power cord, and reconnect your speakers and input sources. If the AV receiver turns off when you set the volume to maximum, disconnect the power cord, and contact your dealer.

If the standby light is lit it and the unit will not boot it is most likely that the protection circuit has been activated. If there is no standby light then check the fuses. These units check that the power supplies are operating near specification. If a capacitor or resistor in the circuit, or a broken solder connection the unit will shut down. Because of the temperature the thermal cycling around the power supplies a broken solder joint can occur. This will make for an intermittent operation.

Hope this helps.
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However you can reset your receiver and debug the DSP section ( digital signal processor ) as follow
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Now turn back on and check if it work or not and make sure check input mode such as analog or coaxial or optical input if stil no sound then debug DSP as follow
To set in DSP debug mode
1. Press and hold down DISPLAY button, then press STANDBY/ON button while the unit is powered ON.
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2. Press TONE+ button within 3 seconds above, the version number of 1st DSP is displayed.
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3. Press DISPLAY button while the 1st DSP version is displayed. The status of DSP and DIR will be displayed.
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To exit
Press STANDBY/ON button.
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