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RE: Dynaco FM-5 Stereo Light On All Of The Time

IC51 is most likely the culprit. It is an MC1307P and can be replaced with an NTE 722. Make SURE you check the regulated Voltages from the Power Supply. If the IC had too much Voltage applied due to a non-working regulator in the Power Supply, the new IC will also blow.

Hope this helps.

Bill


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