Rank: Member
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Joined: 7/27/2008(UTC)
Posts: 158
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What I learn from this : Only trust yourself ! :d/ 
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Rank: Administration
Groups: Administration, Customer
Joined: 10/24/2006(UTC)
Posts: 3,979
Location: Nashville, TN
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It's alright Erlend. All is well that ends well.
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Rank: Member
Groups: Member
Joined: 2/20/2015(UTC) Posts: 2  Location: Oregon
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I am having a similar problem integrating my Buffalo III with the Opus USB receiver in SPDIF mode. I have always used the USB receiver in I2S mode because I could never get the SPIDF to work. Recently, I've wanted to integrate coaxial and toslink into the buffalo III which prompted me to pick up the 4:1 Mux board and input selector. In attempts to switch the USB receiver to SPIDF via the jumper and connect D0 to D1 (Buffalo) and GND to GND (Buffalo) I never get a lock on the signal. The mute is always visible. My configuration on the buffalo is stereo output. None of input jumpers are shorted on the DAC. I have the SPDIF auto detect set to ON (dip switch 2 pin 5) and oversampling filter is set to ON (dip switch 2 pin 4). Just for kicks and giggles, I installed the 4:1 Mux and piped a coaxial SPIDF signal into the board with the input selector switch set to the right channel and I did get the mute signal to go away, but the lock never became lite. I would like to try and get the USB receiver working, as I know that the module works with I2s.
Any help is appreciated. I don't know what else to do.
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Rank: Administration
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Joined: 10/24/2006(UTC)
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Location: Massachusetts, USA
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Do your other S/PDIF sources (TOSLINK and Coax) work?
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Rank: Member
Groups: Member
Joined: 2/20/2015(UTC) Posts: 2 Location: Oregon
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Currently, no, the coaxial and toslink sources don't fully lock. The lock light blinks weakly, and the mute light is off. I am going to try and shorten the ribbon cable to the BIII to see if that has any effect. If I just have the USB receiver hooked to the D0 on the BIII the mute light is fully lit. I measured the output of the USB dac when playing music and signal reads 0.7pp with a 1.5 bias, is this correct?
Thanks Brian
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