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Fixing a burnt out bulb on a SC-815 radio - what to do? 850 1996

posted by  Hugh on  Wed Sep 10 07:32 CST 2014
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last visit: Fri Oct 24 09:47 CST 2014
[RELATED]

Hello All,

I have a 1996 850 GLT wagon that came originally equipped with a SC-815 Volvo radio, which has a combination cassette and CD player built in. Yesterday I noticed at night for the first time, the LED display panel just below the CD slot is no longer illuminated at night. This is the LED display panel that shows what radio station you are listening to. During the day this display panel still shows the radio station numbers, but at night, you can't read because it is not illuminated.

I have replaced bulbs (that I purchased from Radio Shack) that illuminate the dials and buttons on the radio in the past, but I have a fear that there is no dedicated bulb used to illuminate this LED display panel. Instead this display panel is circuit board that "lights up" when you turn the headlights on.

I'll be working on this radio this weekend. Does anybody know if this LED display panel can be fixed by just replacing a bulb? Thanks to all who respond.

Hugh







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    Fixing a burnt out bulb on a SC-815 radio - what to do? 850 1996

    posted by  someone claiming to be dg on  Sat Sep 13 18:57 CST 2014 [RELATED]

    ebay has these radios now for a dime a dozen......








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      Fixing a burnt out bulb on a SC-815 radio - what to do? 850 1996

      posted by  Hugh on  Sun Sep 14 20:46 CST 2014
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      last visit: Fri Oct 24 09:47 CST 2014
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      dg,

      That is good to hear. I was able to replace the bulb. It turns out there is micro light on the side of the panel that displays the radio station number. It is a 12 volt light.

      Hugh








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    Fixing a burnt out bulb on a SC-815 radio - what to do? 850 1996

    posted by  B.B. on  Wed Sep 10 13:57 CST 2014
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    last visit: Mon Oct 6 13:15 CST 2014
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    It probably has those grain of wheat bulbs available in 12V and better in 14V
    The Volvo switches use them and they thread into little plastic twist lock sockets.
    There's no soldering, just carefully thread the leads through the little tracks
    and cut off the little extra and you're done.

    In some radios they are soldered in.

    Try to find the 14Volt bulbs since they outlast the 12v bulbs in a 14 volt car.
    The other thing is run your dimmer down on the low side, it will extend the life of your bulbs. Over voltage kills filament bulbs.

    Bill








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      Fixing a burnt out bulb on a SC-815 radio - what to do? 850 1996

      posted by  Hugh on  Wed Sep 10 20:15 CST 2014
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      last visit: Fri Oct 24 09:47 CST 2014
      [RELATED]

      Bill,

      Thank you for your reply. So the display panel that shows the radio station number is illuminated by an ordinary bulb that can be replaced?

      I have replaced other bulbs just like you described that illuminate the face plate of the radio.

      I don't recall if the bulbs I obtained from Radio Shack are 12 volt or 14 volt. If they are 12 volt, I'll look for 14 volt.

      Hugh








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        Fixing a burnt out bulb on a SC-815 radio - what to do? 850 1996

        posted by  B.B. on  Thu Sep 11 14:01 CST 2014
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        last visit: Mon Oct 6 13:15 CST 2014
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        Hi Hugh,

        I looked again and here is where I found the 14V grain of wheat bulbs.

        http://stores.ebay.com/WEHONEST/Grain-of-Wheat-Bulbs-/_i.html?_fsub=16

        You'll see a wide variety of voltages and colors etc.
        What I wanted was the 14 Volt clear and had to buy 100
        I used them to replace a number of blown out lamps in the switches, I also
        use then in some two way radios. The 12V ones go away fast in cars and boats.

        Maybe someone else will sell a smaller lot of 14V bulbs. But $14.84/100 from
        the place "Wehonest" isn't bad considering what rat shack wants for the wrong
        voltage bulbs.

        Bill







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