Using digital out from Discman - Page 4

DocLorren · 3rd April 2008, 10:32 AM

The Discman's adapter is 4.5VDC/500mA, probably too little current to power both transport and DAC. Would one beefy 5V/3A PSU do the trick or might that kill the transport?

amc184 · 3rd April 2008, 10:41 AM

No, thats not what I meant. I think you should build two new supplies:
- One at 4.5VDC to supply the transport and a SPDIF transmitter if one is added.
- One at 8VDC to supply the DAC.

The existing adapter is probably pretty crappy (most of them are). You could use it for the transport, but you'll still need one for the DAC (4.5VDC is to low for the TDA1543).

Anton

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3rd April 2008, 10:32 AM	#31
DocLorren diyAudio Member Join Date: Nov 2004 Location: Utrecht	The Discman's adapter is 4.5VDC/500mA, probably too little current to power both transport and DAC. Would one beefy 5V/3A PSU do the trick or might that kill the transport?

3rd April 2008, 10:41 AM	#32
amc184 diyAudio Member Join Date: May 2007 Location: Christchurch	No, thats not what I meant. I think you should build two new supplies: - One at 4.5VDC to supply the transport and a SPDIF transmitter if one is added. - One at 8VDC to supply the DAC. The existing adapter is probably pretty crappy (most of them are). You could use it for the transport, but you'll still need one for the DAC (4.5VDC is to low for the TDA1543). Anton

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