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How to take I2S from CEC TL-1 to connect the Teleporter - Russ White
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felipe  
#41 Posted : Saturday, September 1, 2012 1:00:11 PM(UTC)
felipe

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Yes, No I'm using TP 4-Channel S/PDIF (or AES-EBU) Level Converter Kit
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Corpius  
#42 Posted : Saturday, September 1, 2012 5:39:29 PM(UTC)
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Could you post a picture of the dip switches at the BIII?
http://ce-designs.net/
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felipe  
#43 Posted : Saturday, September 1, 2012 5:51:59 PM(UTC)
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B3 pic showing the dip switches configuration.

[img=URL=http://imageshack.us/photo/my-images/253/dsc00051lu.jpg/]UserPostedImage[/URL]]B3 dip switches[/img]

Edited by user Saturday, September 1, 2012 6:08:48 PM(UTC)  | Reason: Not specified
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Corpius  
#44 Posted : Saturday, September 1, 2012 6:26:24 PM(UTC)
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Looks fine. Have you disabled the spdif autodetect function when switching to I2S, by connecting GND to pin 14 (EXT_IO)?
http://ce-designs.net/
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felipe  
#45 Posted : Saturday, September 1, 2012 6:41:53 PM(UTC)
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Yes
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felipe  
#46 Posted : Tuesday, September 4, 2012 2:59:16 PM(UTC)
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I checked the Sidecar with B3 with other I2S source (Amanero USB-I2S) a both LEDs (clock & mute) don't lit so no sound, USB-I2S works because F2K see the device & play.
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felipe  
#47 Posted : Monday, September 10, 2012 8:14:56 PM(UTC)
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At the end Sidecar plays I2S with Amanero USB-I2S interface, the issue was that Sidecar need the ground of Amanero PSU to works, now I will try to do the same with Teleporters: connect the PSU gnd from Teleporter to GND of the Sidecar & do the same in the transmiter TeleporterAngel
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Brian Donegan  
#48 Posted : Monday, September 10, 2012 11:26:06 PM(UTC)
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That makes sense. Without a ground reference, the digital signals have an unknown voltage, but almost guaranteed to be too low.
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felipe  
#49 Posted : Sunday, September 16, 2012 11:27:06 AM(UTC)
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I tried same configuration like the pics posted for Corpius
Corpius setup

When the volume pot of my preamp goes to the maximum I ear a lot of noise but a little bit of music.

I tried disconnecting the BIII ground to ground chassis (BIII floating gnd), not fixed still the same issue: I ear a lot of noise but a little bit of music.

Transport side the teleporter is grounded with the servo PSU where is coming the I2S signals (2nd file where is connected the input I2S signal to Teleporter emitter) & the Teleporter is powered with is own separate +5VDC PSU mot mixed with servo PSU.

Edited by user Sunday, September 16, 2012 11:28:16 AM(UTC)  | Reason: Not specified
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felipe  
#50 Posted : Sunday, September 16, 2012 3:47:01 PM(UTC)
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I tried also floating the gnd chassis of the CD transport, still not fixed the issue.
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felipe  
#51 Posted : Sunday, September 16, 2012 4:14:36 PM(UTC)
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I tested Teleporters switches to know if are configured as transmiter or receiver and both are configured OK.
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felipe  
#52 Posted : Sunday, September 16, 2012 4:17:00 PM(UTC)
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There is a way to test the Teleporters, measuring voltages or something else?
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Corpius  
#53 Posted : Sunday, September 16, 2012 5:45:38 PM(UTC)
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Originally Posted by: felipe Go to Quoted Post
There is a way to test the Teleporters, measuring voltages or something else?
Yes, by using a scope

http://ce-designs.net/
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felipe  
#54 Posted : Sunday, September 16, 2012 5:59:23 PM(UTC)
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I supposed that way to see if signals are arriving to Metronome, right?
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Corpius  
#55 Posted : Sunday, September 16, 2012 6:03:09 PM(UTC)
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Correct and you can also check if the signal arrive at the sidecar or dac
http://ce-designs.net/
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felipe  
#56 Posted : Sunday, September 16, 2012 6:10:53 PM(UTC)
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Thanks, that's a good idea, once measuring why not check the Metronome also.Angel
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felipe  
#57 Posted : Tuesday, September 18, 2012 10:59:38 AM(UTC)
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Scope shoots:

1- Bitclock input Metronome, scope set 2V/cm 0,5us

input BCK Metronome

2- Wordclock input Metronome. scope set 2v/cm 20us

input WDCK Metronome

3- Data input Metronome, scope set 0,1V/cm 05us

input DATA Metronome

Edited by user Tuesday, September 18, 2012 11:49:42 AM(UTC)  | Reason: Not specified
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felipe  
#58 Posted : Tuesday, September 18, 2012 11:54:44 AM(UTC)
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bitclock input Teleporter emitter, scope 2V/cm 0,5us

bitclock input teleporter emitter

wordclock input Teleporter emitter, scope 2V/cm 20us

wordclock input teleporter emitter

data input Teleporter emitter, scope 0,1V/cm 0,5us

data input teleporter emitter
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felipe  
#59 Posted : Tuesday, September 18, 2012 11:57:23 AM(UTC)
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Seems that I need attenuation scope shows 4Vpp
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felipe  
#60 Posted : Tuesday, September 18, 2012 6:28:04 PM(UTC)
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How can proceed?
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