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pm660

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    Looking for a reputable solid state amp repair shop in metro NYC area

    Hello, all I am looking for a repair shop that would fix my Harman Kardon PM660 amp in the NYC area. I was using a DeOxit D5 to clean the amp to fix a problem where the mode selector would only play on both speakers if it was set to mono, and stereo would output sound on one speaker and...
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    Harman Kardon pm655vxi repair help

    Hi Guys, I need a bit of help with my PM655 Vxi unit. I bought it completly dead and I'm trying to fix it, but I've hit the brick wall and can't figure it out. The amp fries resistors R474 and R476, as well as Q430. So far, I've replaced (as they were confirmed dead) the following, see the...
    • lemkoo
    • Thread
    • harman harman kardon kardon pm655 pm655vxi pm660
    • Replies: 2
    • Forum: Solid State
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    Right channel doesn't work only when it's set to stereo

    Hello. I bought a H/K PM660 not too long ago and I have been enjoying them ever since I got them fixed. Over the last few days though I noticed something peculiar. The right channel wouldn't work when it's set to stereo. When I set it to reverse, the right channel works, the left channel does...
    • lnette
    • Thread
    • h/k harman kardon hk pm660 repair help stereo
    • Replies: 16
    • Forum: Solid State
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