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hk430

  1. NickArchdale

    Harman Kardon HK430 refurbishment - DC offset problems

    Hi there, I hope someone can help please. I'm restoring an HK430 twin PSU receiver and appear to be falling at the last hurdle. There was crackling and switch/pot noise so after some consultation here, I have replaced all the angular 2SC458, 2SC1344 & 2SC1345 transistors with new KSC1845 (from...
  2. A

    HK 230

    Hi All, I just picked up an immaculate, I mean immaculate (not a scratch or spot/smudge of wear), HK 230 for $25, and it came with the box. Somehow, I now have the 230, the 330b, and the 430 twin power. The 230 is quite the little guy, and build to last. A few lights aren’t working on the...
    • awat
    • Thread
    • hk 330b hk 430 hk430 kenwood kr 9600 sansui 9090db twin powered
    • Replies: 7
    • Forum: Solid State
  3. M

    Harman Kardon HK430 tuner dead silent

    Hello AK, I am seeking help with my recently bought HK 430. FM reception suddenly stopped working after a couple months of perfectly fine reception. Now FM (stereo or not) is dead silent; the rest of the receiver works perfectly, including AM. Surprisingly the tuning meter moves correctly when...
    • mqtthiqs
    • Thread
    • harman harman kardon hk 430 hk430 problem tuner
    • Replies: 18
    • Forum: Solid State
  4. M

    Noisey channel HK430

    Hi all, I am looking for a little advice on a problem I am having with a recent HK430 purchase. The unit was in good condition and when I opened it up the insides also looked in good condition with the correct fuses etc. All bulbs were also all working. After cleaning the pots with some DeOxit...
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