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I have the same problem and I had someone hold down the outside door button. I could hear a clicking in the speakers and I noticed smoke coming out of the 37821-1A board - the one that has a place where the chime plugs in. It is called "chime out". On the diode and chip side the board has the following number 37821-2B. I an going over to radio shack and see if they have a board. If not then I will order one on line. Will let you know what happens.
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3 comments
Did you ever get a new circuit board for your NuTone 3303? If so, where did you get it? (I need one too).
Thanks
David
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We had new cabinets installed and had to move the system. All is working find except the doorbell - did you get yours fixed? and was it what you mentioned in your previous note?
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Please let me know if you were able to fix the problem. My doorbell just stop working about two weeks ago and all I can hear is the clicking, but everything else works.
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