cd player as dac

redbob · 25th February 2011, 04:06 PM

Need help to find digital input in Hafler Iris cd player.This is classical philips machine.Saa7210p,Saa7220p/b and Tda1541a, with digital output.After it stop spinning I thought it can be good dac.I will use Sony playstationI as transport,any input will be very helpful

tiefbassuebertr · 08:23 PM

you need a conversion from Sony/burr-Brown format to a I2S format from Philips. This is exact the reverse function from follow project:
http://www.analog.com/static/importe...60163AN207.pdf

More complicated it will be, if you go the detour via the SPDIF (S/P-DIF, DOBM) format.
For the conversion from I2S to SPDIF there is the PCF2705 go to
Pcf 2705
Basiclly the same IC (but for conversion from Sony/burr-Brown to SP-DIF) you will need in your application - perhaps one of the members know the appropriate type.
Additional you will need a PCF2705, but with the reverse function (conversion SPDIF-I2S). The Cambridge Audio DAC "DACMAGIC" uses such a device in it's input aera.
Certainly PCM decoders from SONY are configurable to various output formats - sometimes even I2S. If this so, then you can go the easist way. Which PCM decoder (CXD1165-CXD1167-CXD2500Q/AQ/BQ) is in use by your playstation I ??

redbob · 25th February 2011, 09:01 PM

Thanks Tiefbassuebertr,,looks like little harder than I thought.I will check playstation chip.I am trying to upload pictures of cd board

redbob · 25th February 2011, 09:20 PM

Maybe,better way is deicated transport with I2S, can you help me find where is digital input,...where to look?

poynton · 26th February 2011, 03:25 AM

Why not repair the original machine?
Its a basic Philips model with a single crown TDA1541A
CDM4 drives are readily available although it is more likely to be the 47uF cap giving trouble - VERY common

Andy

.

barry.childs · 27th February 2011, 07:06 PM

Andy's right. A simple repair on a fairly good machine versus a very complicated upgrade to use with a playstation

redbob · 28th February 2011, 05:27 PM

Hi guys, thank you for input.I will try to check transport again.I am still wondering where is digital input..Saa7210 or Saa7220

poynton · 28th February 2011, 07:14 PM

There is no digital input as such.

Andy

.

25th February 2011, 04:06 PM	#1
redbob diyAudio Member Join Date: Jun 2004 Location: toronto, canada	cd player as dac Need help to find digital input in Hafler Iris cd player.This is classical philips machine.Saa7210p,Saa7220p/b and Tda1541a, with digital output.After it stop spinning I thought it can be good dac.I will use Sony playstationI as transport,any input will be very helpful

25th February 2011, 08:15 PM	#2
tiefbassuebertr diyAudio Member Join Date: Jul 2005 Location: D-55629 Schwarzerden	you need a conversion from Sony/burr-Brown format to a I2S format from Philips. This is exact the reverse function from follow project: http://www.analog.com/static/importe...60163AN207.pdf More complicated it will be, if you go the detour via the SPDIF (S/P-DIF, DOBM) format. For the conversion from I2S to SPDIF there is the PCF2705 go to Pcf 2705 Basiclly the same IC (but for conversion from Sony/burr-Brown to SP-DIF) you will need in your application - perhaps one of the members know the appropriate type. Additional you will need a PCF2705, but with the reverse function (conversion SPDIF-I2S). The Cambridge Audio DAC "DACMAGIC" uses such a device in it's input aera. Certainly PCM decoders from SONY are configurable to various output formats - sometimes even I2S. If this so, then you can go the easist way. Which PCM decoder (CXD1165-CXD1167-CXD2500Q/AQ/BQ) is in use by your playstation I ?? Last edited by tiefbassuebertr; 25th February 2011 at 08:23 PM.

26th February 2011, 03:25 AM	#5
poynton Magneto the Gravity Man diyAudio Member Join Date: Mar 2005 Location: A life on the ocean waves when I'm not at home in N. Wales (but I'm not Welsh so no sheep jokes!)	Why not repair the original machine? Its a basic Philips model with a single crown TDA1541A CDM4 drives are readily available although it is more likely to be the 47uF cap giving trouble - VERY common Andy . __________________ If it ain't broke, break it !! Then fix it again. It's called DIY !

28th February 2011, 07:14 PM	#8
poynton Magneto the Gravity Man diyAudio Member Join Date: Mar 2005 Location: A life on the ocean waves when I'm not at home in N. Wales (but I'm not Welsh so no sheep jokes!)	There is no digital input as such. Andy . __________________ If it ain't broke, break it !! Then fix it again. It's called DIY !

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25th February 2011, 09:20 PM	#4
redbob diyAudio Member Join Date: Jun 2004 Location: toronto, canada	Maybe,better way is deicated transport with I2S, can you help me find where is digital input,...where to look?

27th February 2011, 07:06 PM	#6
barry.childs diyAudio Member Join Date: Jun 2008 Location: Lostwithiel, Cornwall	Andy's right. A simple repair on a fairly good machine versus a very complicated upgrade to use with a playstation

28th February 2011, 05:27 PM	#7
redbob diyAudio Member Join Date: Jun 2004 Location: toronto, canada	Hi guys, thank you for input.I will try to check transport again.I am still wondering where is digital input..Saa7210 or Saa7220

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