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Denon AVR-687 cannot power on, no power light lit around power

Cannot power on, no power light lit around power button. Internal fuses good. Seems like power supply has died.

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Check the main power switch next to the large power button. It is a small push button. If it is pressed in and you still have no light around the power button then very likely you have a dead power supply.

Posted on Apr 30, 2010

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Greetings
the red flashing LED is that the Device is in protection mode.
the internal power supply . +15 volts and -15 volts are defected you need to be replace it ... Regulators 7915 and 7815 .... these you should change , might also need to check capacitors .
these are common defects for Denon . AVR units.
Good Luck
Hope this helps

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1 Answer

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