Schematics for Marantz DR-110 recorder - diyAudio
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Old 22nd March 2012, 10:06 AM   #1
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Default Schematics for Marantz DR-110 recorder

Does anyone know where to get a schematics diagram for the Marantz DR-110 CD recorder?

I am interested to make a S/P Dif output to it. It now has only analog in and out (and digital in).

Although I must say that the analog is not bad on an Yamaha DSP-A1, but I would like to see what is better. Add a PCM out and use the DAC in the Yamaha, or have the Marantz convert the digital into analogue and have the Yamaha as an analogue amplifier.

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Old 23rd March 2012, 07:45 PM   #2
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OK, I found it.

Still not complete, since I want to find where the DIGITAL out is on the schematics, but it seems that it is on the uProcessor board.
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Old 4th April 2012, 12:57 PM   #3
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I found the connection, and made an extra RCA plug on the back and labeled it S/P DIF OUT.

Works perfectly!

The connection is as follows:

Pin 15-- OUT
Pin 16-- GND

Connected on connector, CN105 on the main processor board (the one "under" the CD player). The markings on the copper side of the board are sufficient. Please note, that PIN 1 is marked with a dot.

This is the PCM out of the processor.
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