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IIC Message on Sony MSD-E12 deck

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We use a MSD-E12 deck in our radio station here at our school. I have been passing an analog audio signal through this deck to our board. It recently began flashing "IIC Stop" on the display and no functions appear to be available. If you have any ideas, of what this message is, please forward to me. Thanks for your help.

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We use a MSD-E12 deck in our radio station here at our school. I have been passing an analog audio signal through this deck to our board. It recently began flashing "IIC Stop" on the display and no functions appear to be available. If you have any ideas, of what this message is, please forward to me. Thanks for your help.

I am just guessing, but it could relate to the Inter-Integrated Circuit Standard as noted here:

http://www.acroname.com/robotics/info/standards/iic/iic.html

If so, I would suspect a hardware problem. It looks like IIC (aka I2C) deals with datastreams.

There is further mention of I2C here:

http://forums.murc.ws/archive/index.php/t-36794.html

Maybe a service manual mfor this model would offer further explanation?

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I did a bit more research and found that the MDS-JE470 deck also has an IIC section. Perhaps this is a standard component of MD decks.

Page 39 of this manual shows the layout of the IIC module in the 470:

http://www.minidisc.org/manuals/sony/servi...vice_manual.pdf

It's conceivable that replacing the equivalent piece on your MDS-E12 would fix the problem. Again though, I am just guessing. I run across similar situations in software fairly often and have to do this kind of research and analysis to devise possible solutions.

It kind of looks like if any part of the IIC were malfunctioning - its clock, for example - the whole unit could be affected.

It couldn't hurt to send email to Sony or even to call them, see if they have anything helpful to add.

Good luck - I would be interested to hear how you get this resolved!

Edited by bluecrab
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