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RAKK dac

 

 

Raleigh Audio 

K&K Audio 

RAKK dac 

               Mark II 

 

USB to SPDIF  

Converter 

  

Installation Manual 

 

Version 2.0 

© 2008 - 2011 Raleigh Audio 

Summary of Contents for RAKK DAC Mark II

Page 1: ...RAKK dac Raleigh Audio K K Audio RAKK dac Mark II USB to SPDIF Converter Installation Manual Version 2 0 2008 2011 Raleigh Audio ...

Page 2: ...Solder Warnings and Cautions Caution Use only solder that is intended for electrical circuits Do not use acid or corrosive flux of any kind Support RAKK dac and its associated components are produced through the joint cooperation of K K Audio and Raleigh Audio You may contact us with questions on constructing this kit by sending an e mail message to david raleighaudio com or kevin kandkaudio com 1...

Page 3: ...Table of Contents Introduction 3 Assembly Instructions 4 Installation Instructions 5 Grounding 7 Document version history 8 2 ...

Page 4: ...it is attached to There are two interfaces which must be isolated power and signal For the power we have chosen to provide a separate 5V supply which is isolated from the other power supplies in the RAKK dac system For the signal we have chosen to provide an isolated SPDIF interface on the RAK dac Mark III for this purpose If you are interfacing to a DAC that does not have an isolated I2S interfac...

Page 5: ...PDIF converter digital board is provided completely assembled However a transformer must be installed on the RAKK dac Install a Lundahl LL1572 in the location on the RAKK dac that you have chosen to support the USB to SPDIF interface 4 ...

Page 6: ...et black will be assumed for the signal twisted pair and red black will be assumed for the power twisted pair 1 Complete the assembly of the RAKK dac Mark III and the USB to SPDIF power supply 2 Position the USB to SPDIF board the RAKK dac and the power supply where they will be mounted but do not secure them in place yet 3 Measure the distance between the interface on the USB to SPDIF board and t...

Page 7: ...e other end of that red black twisted pair to the 5Volt output of the power supply Solder the red wire the pad and the black wire to the pad 7 Install the violet black twisted pair Solder the violet wire to the pad of the SPDIF OUT and the associated black wire to the pad 8 Solder the other end of that violet black twisted pair to the RAKK dac input that you have chosen to use Solder the violet wi...

Page 8: ... the USB interface When the RAKK USB to SPDIF Convertor is used in this environment it picks up its ground from the attaching device such as the computer In this case to ensure galvanic isolation there must be no connection between the negative terminal of the RAKK USB to SPDIF Convertor 5V power supply and the negative terminal of the RAKK dac 12V power supply In the second category are devices l...

Page 9: ...8 Document version history Version Description 1 0 Original document 2 0 this document Original supporting the MiniDSP version of the USB to SPDIF Convertor ...

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