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Kenwood Integrated Amplifier KA-3700 Fuse pops

Discussion in 'Audio' started by BigDaddySmokeAlot, May 12, 2018.

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  1. BigDaddySmokeAlot

    BigDaddySmokeAlot

    1
    0
    May 12, 2018
    Kenwood Integrated Amplifier KA-3700 Has 4 fuses 2 3.5A 250V and 2 4A 250V. When powered up 1 of the 4A 250V fuses pops. How can I repair this?
     

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  2. 73's de Edd

    73's de Edd

    2,805
    1,176
    Aug 21, 2015
    Sir BigDaddySmokeAlot . . . . .


    Using a DVM in its diode test function, then backed up with performing a low ohms test and checking out the 4 bead diodes that are towards the end, on past your blown fuses, will probably reveal one or more being dead shorted.
    OR any of the 4 large black plastic power transistors mounted on the heat sink, may have shorted out.

    73's de Edd . . .who doesn't smoke at all.
     
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