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930

  1. dlucy

    dlucy's guide to Harman Kardon Twin Powered series 430, 630, 730 and 930 ... and Montgomery Ward 450

    The fourth era of Harman Kardon's solid state stereo receivers were the Twin Powered series: This thread is a guide to those models, their specs, and pointers to schematics and restoration threads for each. Note: If you have additional information on any of these models or have a great...
    • dlucy
    • Thread
    • 430 630 730 930 harman kardon harman kardon 430 harman kardon 630 harman kardon 730 harman kardon 930 hk
    • Replies: 24
    • Forum: Solid State
  2. davstev

    Harman Kardon 930: Distortion

    Hi All, I am presently tinkering with a H/K 930 that has been awaiting attention, and it's sounding...not great. Deoxit has been thoroughly done, it's definitely not that. When I run a CD player into the AUX 1 or 2, I get major distortion, equal in both channels. Same in Radio mode. This is...
    • davstev
    • Thread
    • 930 distortion h/k harman kardon
    • Replies: 5
    • Forum: Solid State
  3. U

    Harman Kardon 930 Short out - need help!

    Just got a HK930 that has a short circuit problem somewhere. The main power fuse keeps blown out. I tested it with a light bulb current limiter and confirmed that. Can someone help where should I start to diagnose the problem?
  4. davstev

    Harman/Kardon 930 : dial won't light, bulbs ok

    Hi, Recently acquired this receiver. I can't seem to figure out why the dial scale on this 930 won't light up, despite the fact that all the bulbs are testing ok. It takes qty. of 7, 6.3v 250ma fuse-type bulbs, all testing fine. Anyone know this unit really well and/or had this problem...
    • davstev
    • Thread
    • 930 bulbs dial h/k harman harman kardon harman kardon 930 kardon lights
    • Replies: 57
    • Forum: Solid State
  5. C

    Harman Kardon 930 Twin, Tuner lights on all the time?

    Just acquired a beautiful and functioning HK930 Twin. I use it almost exclusively for playing records, but the tuner dial lights turn off when it's switched into Phono or Aux. I realize this is supposed to happen, I guess to save energy and the bulbs, etc, but aesthetically the thing looks way...
    • C Uebe
    • Thread
    • 930 bulb harman kardon harman/kardon hk930 light bulbs lights phono lamp phono light tuner
    • Replies: 6
    • Forum: Solid State
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