I connected my xd7500 head unit and i have a problem. When i go to turn it on (pwr button) i get nothing. But when i press the eject button it will open up and recieve cd's. How do i get it so i have power to the whole unit? the wires are connected right. Please help me.
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Hi. You need to check a few things.
make sure you have power on both the red and yellow wire with the key on. If only one has power the radio will not work.
also make sure that you have a good ground connection on the black wire..
if nothing works yes you probhably have a bad radio. the dual brand radios are notorious for poor solder connections on the mainboard due to the way they build thier cheap circuit boards..
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Remove the face plate and clean the contacts on both the head and the radio. It sounds like a bad connection, The base and head use serial data to talk to each other(control).If one of these connections are bad the unit will not work properly.
you might have a button stuck, try gently pulling the function button out a little bit. i used a sheet rock knife razor blade and was able to release it but after pressing the function button again it started all over again. good luck.
Going to give you a possible solution but i don't think you are going to like it. The problem sounds easy and being as the unit is way off warranty you may or may not want to try this. Sounds like what you have is a broken wire in the antenna or a bad connection, you might MIGHT be able to fix this by opening up the antennae portion of the unit and see what you can see, broken wire or bad connection will have that result. Cleaning of the connector or re soldering of the wire should/might fix the problem. Hope this helps
Is the red wire in the back hooked up to a power source? You will need that in order for it to turn on. It is the wire tells the radio to turn on when you turn your key.
when the radio face is open like it is in the picture above... take a look /feel directly underneath (back side of the lower controls)the large center knob. you are going to feel a push button about an inch wide. push while pulling down and toward you to remove. the until will then close on it own. reattach by clipping directly on once unit has closed
The Alpine has two tigger wires when it turns on. One is an AMP TURN ON wire (blue/white) and a PWR ANT wire (blue) and that wire only comes on when using the radio or an optional HD radio unit ... When it was installed/connected . someone hooked your amp turn on wires for your "full range amps" to the PWR ANT wire. And the sub amp trigger is either hooked correctly to the AMP TURN ON WIRE or somewhere else, it probably shouldn't be... Check it. Amp triggers should all be to the blue/white wire from your alpine. Warning: Alpine trigger wires, are very easy to mess up they supply a very limited amount of power.
Hi. You need to check a few things.
make sure you have power on both the red and yellow wire with the key on. If only one has power the radio will not work. If the red and yellow wires are switched it can also affect the way the redio operates. One is constant power for memory the other is key on power so the radio knows to shut off with the ignition key off.
also make sure that you have a good ground connection on the black wire..
if nothing works yes you probhably have a bad radio. the dual brand radios are notorious for poor solder connections on the mainboard due to the way they build thier cheap circuit boards..
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