Question about Sony CDX-CA400 CD Player
I got this unit as a thank you gift for installing another unit for a friend. I connect the acc line to the yellow line on unit and I connect the constant 12v+ to the red line and the unit functions perfectly, but will not hold settings after being switched off. I connect ACC 12+ to red line and constant 12+ to Yellow and unit will not power up at all. I connect either source of 12+ to either line and leave the other line disconnected and unit wont power up. Both lines must be connected as in my first discription on the unit will not power on, but this leaves me unable to retain memory settings. I have no history on the unit so I am assuming perhaps it has been shorted at some time messing up the settings. I have tried resetting the unit hoping that would fix it, but no luck. Any other suggestions?
The correct wiring is constant power on the yellow wire, switched power on the red wire. I'm not certain why you weren't able to get it to work in this configuration; the unit needs power on both wires before it will turn on, but if you lose power on the yellow wire the settings will be lost.
Posted on Jul 31, 2007
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