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Question about Sony CDX-CA400 CD Player

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Faceplate display backlight out

My Sony car stereo's display went "dark". Since I can still (barely) read the messages, I presume that it was a broken backlight. Does anyone know how to replace the light bulb (if any?) in the faceplate? Any other possibility (e.g., power supply?) JP

Posted by Jeff Pan on

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Anonymous

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I had the same problem. I took the faceplate apart. There are 2 LED's on each side of the LCD display on the faceplate main board that illuminate the LCD display. One of them was burnt out on mine. I replaced it with a green small LED, however the light output is not at the same level as the remaining orginal LED. The original green LED looks like a high output white LED that was covered with a thin green coat. Not sure where you can get those.

Posted on Jun 16, 2009

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ALEX WHETZEL

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How did you change the led and where did you get the led light??

Posted on Feb 13, 2013

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Your display lights are burnt out. This is a common problem. It is covered under warranty. Send it to Sony for service. Anyway, under the Sony faceplate there are two small, different colored leds which control the color. The light is aparently transfered through pieces of clear plastic (best example I can think of is the piece of plastic over the led in a household smoke alram)to most of the buttons and the backlighting. If your display has burnt out you may just be able to swap the leds for new ones. As for the intermittent green could it just be a faulty solder on the board.

Posted on Sep 25, 2005

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I have the same problem with my radio. :( Anybody idea what kind/size of LED to get?

Posted on Dec 29, 2005

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if the picture is REALLY dark, like you can just barely see it in a lit room, then the backlight might not be lit. LCD TVshave backlight that shines through the LCD screen which allows you to see the picture.

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