spdif to rca

xtreamdev · 28th May 2012, 07:17 AM

I have a audio source that outputs spdif +, - and ground. How can i convert this to RCA outputs.

Thanks.

qusp · 28th May 2012, 07:29 AM

RCA spdif? just use + and ground

DF96 · 28th May 2012, 08:49 AM

According to Wikipedia S/PDIF is defined to be unbalanced 75 ohm. If your output is balanced then it isn't S/PDIF. It could be AES3, which can be balanced 110 ohm. Or it could be a private homegrown protocol loosely based on S/PDIF.

qusp · 28th May 2012, 12:30 PM

I realize that, but given the lack of info I just lumped them together. AES3 can also be BNC or XLR I guess we need more info from the OP and whether he just wants it to work, or get the best he can out of the connection

xtreamdev · 31st May 2012, 06:25 PM

Here is some more info.. This audio source is a headunit that connects to an amp.. Im trying to upgrade amps.. I want to convert the SP DIF to RCA. volume up and down left right etc is controled by can bus, but im just going to add a manual volume control..

Pin 5, 6, 15 are the outputs

unit.gif

connect.gif

Pin No.Connector ADescriptionRemarks1 --2 --3 --4 --5SP DIF groundTo EXT AMP6SP DIF (+)To EXT AMP7ALTALT L8Illumination (+)Rheostat from vehicle (+)9R PositionR Signal10 --11 --12NAVI AMP (-)Used for voice recognition13NAVI AMP (+)Used for voice recognition14 -15SP DIF (-)To EXT AMP16DOORDoor unlock signal17Illumination (-)Rheostat from vehicle (-)18Remote antennaRemote supply for motorised antenna

xtreamdev · 4th June 2012, 08:04 PM

Anyways I belive the output to be AES 110 So I guess I will need a reciver to convert this to I2s and then feed this to a DA.. Can anyone show me some pointers? Help I need more power..

28th May 2012, 07:17 AM	#1
xtreamdev diyAudio Member Join Date: Jul 2010	spdif to rca I have a audio source that outputs spdif +, - and ground. How can i convert this to RCA outputs. Thanks.

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28th May 2012, 07:29 AM	#2
qusp is choosing a less facetious title... diyAudio Member Join Date: Oct 2009 Location: Brisbane, Australia	RCA spdif? just use + and ground

28th May 2012, 08:49 AM	#3
DF96 diyAudio Member Join Date: May 2007	According to Wikipedia S/PDIF is defined to be unbalanced 75 ohm. If your output is balanced then it isn't S/PDIF. It could be AES3, which can be balanced 110 ohm. Or it could be a private homegrown protocol loosely based on S/PDIF.

28th May 2012, 12:30 PM	#4
qusp is choosing a less facetious title... diyAudio Member Join Date: Oct 2009 Location: Brisbane, Australia	I realize that, but given the lack of info I just lumped them together. AES3 can also be BNC or XLR I guess we need more info from the OP and whether he just wants it to work, or get the best he can out of the connection

31st May 2012, 06:25 PM	#5
xtreamdev diyAudio Member Join Date: Jul 2010	Here is some more info.. This audio source is a headunit that connects to an amp.. Im trying to upgrade amps.. I want to convert the SP DIF to RCA. volume up and down left right etc is controled by can bus, but im just going to add a manual volume control.. Pin 5, 6, 15 are the outputs unit.gif connect.gif Pin No.Connector ADescriptionRemarks1 --2 --3 --4 --5SP DIF groundTo EXT AMP6SP DIF (+)To EXT AMP7ALTALT L8Illumination (+)Rheostat from vehicle (+)9R PositionR Signal10 --11 --12NAVI AMP (-)Used for voice recognition13NAVI AMP (+)Used for voice recognition14 -15SP DIF (-)To EXT AMP16DOORDoor unlock signal17Illumination (-)Rheostat from vehicle (-)18Remote antennaRemote supply for motorised antenna

4th June 2012, 08:04 PM	#6
xtreamdev diyAudio Member Join Date: Jul 2010	Anyways I belive the output to be AES 110 So I guess I will need a reciver to convert this to I2s and then feed this to a DA.. Can anyone show me some pointers? Help I need more power..