It has been a long time since you posted this question and no one has responded. I believe Newell told me that replacement units are not available. In that case, my suggestion would be to remove the unit and take it to an electronics repair shop and see if they might be able to repair the unit. If bad solder joints or broken wires are causing the problem it is fixable. If the LED units are actually failing, it is doubtful that replacement LED units would be available. You might also look around for a similar sized clock and see if you can just replace the entire unit. Of course it would not say Newell on it.
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