CDX-MP40 I bought the radio second hand. When the unit was initally connected the radio played the ariel went up. So, I switched it off and placed it into the car......nothing! I have tried a cd and it takes it into the unit and ejects it so there is power,but the unit does not light up ,can you help?
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You will need an expert technician to open the unit, they are small bulbs with covered color lenses, usually small plastic caps. the simplies is to remove this caps and mark it with colored felt tips marker
* Connect Yellow wire to continues power ( it is back-up power to memory circuit) * Connect Red wire to switched power You can download User Manual and Installation Guide for CDX-S2000 from Sony Support for more information.
you would need to purchase an aftermarket devise to send an rf signal to the fm tuner- there are also fm modulators the have a direct connection to to antenna plug on the rear or the radio- your radio does not have any jack for a direct connection or controls for it to operate an ipod or mp3
Some Sony head units let you use the Bus audio inputs as an auxiliary source input, but yours is not among them. To play your iPod through the head unit, you'll either need an iPod interface module: http://www.xplodsony.com/xplod/accessories/XA-110IP
or an auxiliary input module: http://www.xplodsony.com/xplod/accessories/XA-300
The iPod interface will allow you to control and display the iPod directly through the head unit, while an auxiliary input adapter will allow the iPod to play through the head unit using the iPod's controls and display.
You are correct, the unit powers entirely from the red and yellow leads. Your symptoms sound like a unit that isn't getting power on the red (switched) lead. The most likely cause is a blown fuse in your vehicle's fuse box.