• The move to the new server is done. There are some software and database maintenance updates in process. This has us passing the hat around to help out. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html

protection problem

  1. Magistra

    Relay only clicks in after 20/30 minutes, then everything works fine. Luxman A-007

    Hi guys, I got a Luxman A-007 (european 220V version) with a relay issue: when I first got this a few years ago it worked perfectly but over time it started randomly turning silent with a distinctive relay click, and then randomly on again after a few minutes, this went on until it just stopped...
    • Magistra
    • Thread
    • luxman protection problem protection relay relay relay issue
    • Replies: 21
    • Forum: Solid State
  2. Ben Rothman

    Pioneer SX-1010 Weird Intermittent Protection Issue

    Hi, I have been chasing an issue on my Pioneer SX-1010 for about a year. I have posted about it a couple of times; now and then, it will randomly jump into protect mode for 2 seconds and jump out. I have observed this issue for a year and can confidently say there is no pattern. It might not...
    • Ben Rothman
    • Thread
    • intermittent intermittent problem pioneer pioneer sx-1010 pioneer sx-1010 receiver protection mode protection problem sx-1010 sx-1010 issue
    • Replies: 11
    • Forum: Solid State
  3. G-901

    Sansui G-9000 in protection dc offset

    The receiver is in protection, speaker relays do not click on. Was testing DC offset at terminal 27 and 28 and am getting -2.5vdc tried to adjust it on driver boards but would only get down to -2.2 Vdc I’m at a loss as to what it could be. Any help would be much appreciated
    • G-901
    • Thread
    • bias dc offest g-9000 g-901 protection mode protection problem
    • Replies: 6
    • Forum: Exclusively Sansui
  4. alexhastings

    PA3004 chip PCB substitute

    After discovering a failed PA3004 chip on my SA-7700 rebuild, and paying $35 for a single replacement, I asked @merlynski to help me design a PCB substitute, so we can all keep rehabbing these old units without paying exorbitant prices for new "old stock" chips. Our design goal was to replicate...
    • alexhastings
    • Thread
    • pa3004 pioneer protection protection board protection circuit protection ic protection mode protection problem protection relay relay click
    • Replies: 66
    • Forum: Pioneer Audio
  5. Jimakos

    Sansui AU-X501, protection problem

    Hi to all. Sorry for my English. It's not my native language. After a repair in my Sansui AU-X501, I try to adjust the Bias and DC 0V. During this adjustment the protection activated and form then is always on. I check everything in the protection circuit and I can't find the problem. The...
    • Jimakos
    • Thread
    • protection problem sansui au-x501
    • Replies: 16
    • Forum: Solid State
Back
Top Bottom