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dim bulb test

  1. akadrhouse

    Marantz 2226 Restoration - Shorting under load

    I've rebuilt a dozen or so units at this point, but I am still very much a noob when it comes to troubleshooting issues. I do have a scope, but my ability to use it is horrible other than testing clipping and setting bias with it. It is my 2226 and I decided to give it an overhaul. Unit worked...
  2. Refugee

    Another dim bulb tester build

    Dim Bulb Tester Build First, What is a dim bulb tester? It is a current limiting device. It is used to protect a device that is in unknown condition or suspected of not working for any reason. If the device under test (DUT) has a short, the device will be protected from drawing too much...
    • Refugee
    • Thread
    • bulb cigar box current limiter dbt dim bulb test dim bulb tester project box safety test test eqipment
    • Replies: 5
    • Forum: DIY
  3. L

    The dim bulb?

    Sorry to ask such a simple?? I am a diy and I love doing repairs now that I have retired! I see the tech ‘s using the dim bulb thing for the first power up! One, is the bulb a simple 110 volt? Two, Is it wired in series with the amp/receiver plug. And three, how do you apply it to the test? I...
  4. H

    HARMON KARDON REBUILD AND DIM BULB TEST

    I just finished a complete recap on this HK 930, 1972. I have done dozens of rebuilds on newer and bigger receivers. I also did and HK 730 in the past. My client wanted this rebuilt, even though it sounded pretty good to me, and I advised against it at this time. But jobs are hard to come by, so...
    • HankM
    • Thread
    • dim bulb test harmon kardon
    • Replies: 2
    • Forum: Solid State
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