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Harman/Kardon HK3370

Discussion in 'Electronic Repair' started by The Desk Of Reason, Nov 18, 2003.

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  1. A problem just started a few days ago

    I can hear line hum in the tuner, AM and FM.

    The hum is real loud when I turn on the receiver in the morning when it's
    cold but the the hum is minimal after the receiver has been on for a while,
    which is why I think it's a heat related problem. I can still hear the line
    hum if I listen closely, though. The line hum was never there but until a
    few days ago.

    I can only hear line hum when listen to the tuner, all the other sources
    (CD/AUX/Tape 1/Tape 2) are fine.

    Is this a normal or is this a problem which requires repair?

    I think it might be a capacitor or something.
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