I want to use a good outboard DAC with a Sony CDPC10 Auto Cd changer. Where do I take off the signal to feed to the DAC?
Can anybody tell me where I have to solder the 75ohm cable to divert the signal?
The CDP-C10 changer has a SUBCODE OUT Connector in the back. Can anybody tell me what that connector can be used for?
Joined: Nov 26, 2002
From: Ottawa, Canada
Posted: 2004-01-16 11:58
Subcode is part of the data that is stored on a standard audio CD. It can be used for applications like CD+G (CD + Graphics ... now defunct). The data rate of the subcode data is 1/24 of that of the audio data. The subcode-out connector is basically useless, because ordinary audio CD's don't use it.
As for S/PDIF output: If I had the service manual I could help you out here. There may not be an S/PDIF signal at all; in this case you may be able to create one by tapping into the I2S lines and feeding those signals to an S/PDIF transmitter like the TI DIT4096. That is a lot more complicated that just soldering a wire to a point on the board.
Even if there is a S/PDIF signal on the board, it is likely at TTL level and not capable of driving a 75 Ohm cable. You will at minimum need to use a resistive voltage divider to get the correct voltage (2 V P-P) and AC drive impedance (75 Ohm). Even then, it may or may not work.
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