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Old 6th September 2004, 07:26 PM   #1
i-s is offline i-s  United Kingdom
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Default Cheap non-os I2S transport?

I am looking for a transport for a certain project. I need a non-os I2S datastream, and a clock of either 33.8688 or 16.9344.

I am looking at the marantz CD53/63/67/6000. Do these players have easily accessible I2S?
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Old 7th September 2004, 02:14 PM   #2
hacknet is offline hacknet  Singapore
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i know most marantz players are non-os.

some of the philips players are also non-os.

the cd-634 that i have has both os and non-os I2S.

most of the time, you can get non-osed I2S just before the reciever(is that what you call a SAA7321?).

i know for sure you can`t get non-os I2S from a philips CD7 series. and a marantz 4000.
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Old 7th September 2004, 02:54 PM   #3
phs is offline phs  Australia
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i like Yeos page on this subject:
http://diyparadise.com/rm20dac.html

i have an older Marantz (CD-46) which has a TDA1541, but id really like to use a TDA1543. because it does not have I2S im guessing you can take the AES/EBU out of the SAA7345 using a pulse transformer and a few bits, or reclock it, as shown in a thread using a circuit by Kwak, then use the outboard CS8412/TDA1543 dac. im hoping i can get my head around it one day.
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Old 7th September 2004, 09:33 PM   #4
i-s is offline i-s  United Kingdom
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Thanks for the responses. A little more checking and they have what I need, so I've obtained a CD53. And now the project gets underway...
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Old 7th September 2004, 09:46 PM   #5
guido is offline guido  Netherlands
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Quote:
Originally posted by phs
i like Yeos page on this subject:
http://diyparadise.com/rm20dac.html

i have an older Marantz (CD-46) which has a TDA1541, but id really like to use a TDA1543. because it does not have I2S im guessing you can take the AES/EBU out of the SAA7345 using a pulse transformer and a few bits, or reclock it, as shown in a thread using a circuit by Kwak, then use the outboard CS8412/TDA1543 dac. im hoping i can get my head around it one day.


TDA1541, TDA1543 are using i2s. TDA1541A too, but TDA1543A not. TDA1545 not. That's it.
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Old 7th September 2004, 09:47 PM   #6
i-s is offline i-s  United Kingdom
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No DAC is involved in my project. It is going straight from I2S to PWM.
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Old 7th September 2004, 10:50 PM   #7
jkeny is offline jkeny  Ireland
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Quote:
No DAC is involved in my project. It is going straight from I2S to PWM.
Isaac, tell us more

John
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Old 7th September 2004, 11:57 PM   #8
Fin is offline Fin
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Default More on the 634???

Quote:
Originally posted by hacknet
the cd-634 that i have has both os and non-os I2S.

most of the time, you can get non-osed I2S just before the reciever(is that what you call a SAA7321?).
Have you done anything interesting with the CD634 or SAA7321?

I have a CD624 (almost the same) - and the service manual, if you want a copy.
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Old 8th September 2004, 10:02 AM   #9
i-s is offline i-s  United Kingdom
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John-

I would prefer not to say too much. I work for a company that produces a PWM chipset, so I might be accused of trying to use the board to promote the product or other commercial uses. This project is entirely my own being done on my time at my expense, and for my personal satisfaction.

The simple premise of the project is to build the PWM output stage into the CD player box, with both the cdp and the PWM chipset running from the same master clock.
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Old 8th September 2004, 10:17 AM   #10
rbroer is offline rbroer  Netherlands
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Quote:
Originally posted by guido

TDA1541, TDA1543 are using i2s. TDA1541A too, but TDA1543A not. TDA1545 not. That's it.
More accurate;
TDA1541A is used in I2S mode most of the times in Philips/Marantz cd players. But it can use other modes as well.

Players containing the 7210, 7310 are good non-os I2S candidates.
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