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Theta Data Basic II - I2S?
Theta Data Basic II - I2S?
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Old 22nd June 2006, 04:39 PM   #1
Roscoe Primrose is offline Roscoe Primrose  United States
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Default Theta Data Basic II - I2S?

Anyone have a schematic for the Theta Data Basic II transport, or know if/where there's an I2S signal floating around in there anywhere? I'd love to be able to put my TDA1543 DAC onboard wthout having to convert from SPDIF->I2S...

Thanks
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Old 22nd June 2006, 05:21 PM   #2
rfbrw is offline rfbrw
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Have you opened it up to see what chips are in there?
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Old 22nd June 2006, 06:46 PM   #3
Roscoe Primrose is offline Roscoe Primrose  United States
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Quote:
Originally posted by rfbrw
Have you opened it up to see what chips are in there?

Yeah, Theta apparently built their own SPDIF transmitter, looks like it's three standard 7400 series 14pin dips that they convieniently ground the numbers off...

However, it looks like I may be able to get a usable I2S signal off the SAA7310 decoder chip. Anyone used this to drive TDA1543s?

Peace
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Old 22nd June 2006, 07:02 PM   #4
rfbrw is offline rfbrw
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http://www.diyaudio.com/forums/showt...threadid=16715

You want CLAB, WSAB and DAAB.
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Old 22nd June 2006, 09:59 PM   #5
Roscoe Primrose is offline Roscoe Primrose  United States
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Quote:
Originally posted by rfbrw
http://www.diyaudio.com/forums/showt...threadid=16715

You want CLAB, WSAB and DAAB.

Thanks, I'd already found that thread, and figured out the pin connections. That's a project for tomorrow, got enough to finish up today ;-)

Peace
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