Question about Harman Kardon AVR 25 MKII
The unit has power. The power light comes on and is orange. There is power to the unswitched outlet on the back. When you press the power button nothing happens. Sometimes I get a clicking sound from a brown box that is maybe on a power board inside the unit ( i am not sure what the board is called ) the power cord is connected to this board.
The board you are looking at is the standby cct and power switching PCB. It sounds like that is working, so you have probably lost power to the transformer primary or the transformer is open circuit. Check for blown fuses and replace with exact same type and rating.
Be sure to unplug at the wall before touching any internals!!
If you can find no blown fuses, the power transformer may have failed. Good luck, get back to me here is you need any more advice. Thanks for using "FixYa"
Posted on Feb 18, 2008
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Posted on Jan 02, 2017
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