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#1
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D Command--no signal to phones
I've been using a D-Command for several years. Suddenly I can't get any signal out of the headphone jack. Ordinarily, in the monitor/cues section of the console, I select Phones, choose Main as the source, and hit the ON button and I'm able to hear outputs 1 and 5 (front Left and front Right when configured for the default D-Command surround format L x C x R Ls Rs LFE)
Another engineer has been using the system for a while. Is there a setting somewhere he could have changed? I can hear some low level clicks in the headphones when I change the volume, or change the source that feeds the phones, so it seems there is audio getting to the headphone jack. I also tested the switches using the TEST mode of the UTILITY section--they are all functioning well. I'm also seeing signal on the meters of outputs 1 and 5. Thanks in advance for any help you can give.
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It takes a big man to cry; it takes a bigger man to laugh at that man |
#2
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Re: D Command--no signal to phones
Quote:
could be that the headphone amp in the xMon (or D-Command) is broken. If the headphone amp would be in the xMon, then you could "simply" borrow a unit from a friend ... if the amp is in the D-Command, then of course one would have to know where it is and how to get a diagram for testing what exactly is broken. This is my idea to your problem
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Cheers, STeff --------------------------------------- MacPro5,1 ; 6-Core Intel Xeon 3,46 GHz, 32 Gig Ram, NVIDIA Quadro K5000 with 3 displays connected OSX10.15.7 Pro Tools|HDX Ultimate 2023.6 HD I/O&192Digital&96&96i I/Os D-Command ES 4xUnitor8 & 2xAMT8 |
#3
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Re: D Command--no signal to phones
Thanks Steff. Since I do hear some very low level audio coming from the headphone output, I don't think the headphone amp is dead. It seem more like the internal switching that connects the various sources to the headphone jack is not functioning. By the way, the audio I hear is not the source material, but what sounds like digital noise floor, and some very slights clicks as I adjust the output encoder knob.
P
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It takes a big man to cry; it takes a bigger man to laugh at that man |
#4
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Re: D Command--no signal to phones
Quote:
The "internal switching" and amplifying etc. is all made *somewhere*. If this process is done in xMon (as a part of the headphone circuit) then you could do a xMon replacement test. If all this is done in the D-Dommand itself, you would have to borrow a D-Command ... or take your xMon to a friend who's running a D-Command and check it out there.
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Cheers, STeff --------------------------------------- MacPro5,1 ; 6-Core Intel Xeon 3,46 GHz, 32 Gig Ram, NVIDIA Quadro K5000 with 3 displays connected OSX10.15.7 Pro Tools|HDX Ultimate 2023.6 HD I/O&192Digital&96&96i I/Os D-Command ES 4xUnitor8 & 2xAMT8 |
#5
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Re: D Command--no signal to phones
Thanks STeff!
__________________
It takes a big man to cry; it takes a bigger man to laugh at that man |
#6
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Re: D Command--no signal to phones
Could you solve the problem? I have the same fault.
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