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I have already checked all of that. Since the radio came to me with the car, I don't have a schematic as to what wire is what, except the speakers andpower/ground, of course. Which wire is the dimmer wire and which coded wire does it hook up to?I have already checked all of that. Since the radio came to me with the car, I don't have a schematic as to what wire is what, except the speakers andpower/ground, of course. Which wire is the dimmer wire and which coded wire does it hook up to?
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It's possible that the "illumination" wire is not connected or connected improperly. It's also possible that the front panel electrical connections are not making proper contact. Remove the front panel and gently clean the contacts with a pencil eraser.
Also, the CDX-C680 allows you to select either green or amber illumination. One or the other may be defective. Try changing it. Press SHIFT - press "3" (set up) three times - press "5" (right arrow) to change the setting. Also check the setting for "dimmer". ON will result in a dimmed display at all times. AUTO will dim the display whenever the headlights are turned on (if the wiring is connected properly). OFF will result in the brightest display at all times.
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The display disappears from/does not appear
in the display window.
• The dimmer is set "DIM-ON" (page 17).
• The display disappears if you press and hold (OFF)
Press and hold (OFF) on the unit until the display appears.
• The connectors are dirty (page 21)
check the connectors between the faceplate and the unit carfully they can get damaged with constant removing/refitting if not the faceplate and/or unit is faulty
Check for a loose antenna connection, at the unit and where your antenna is attached to your car. Also, check fuses, some cars have 'powered amplified' antennas.
If those dont work, try resetting the unit. On most units there is a small pinhole behind the faceplate(not on the faceplate). Could also be the internal tuner has gone out...
Unfortunately, ATT cell phone service interferes with electronic equipment. Period. TV's, computers, car radios, amplifiers, etc.. It's a terrible thing.
the GT-200 is the cheapest of the sony line. A new radio can be obtained for under $50. A faceplate direct from sony would be approximately the same amount. Check eBay or Craigslist for a used one.
I have already checked all of that. Since the radio came to me with the car, I don't have a schematic as to what wire is what, except the speakers andpower/ground, of course. Which wire is the dimmer wire and which coded wire does it hook up to?
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