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SVT-CL DI not working.

Discussion in 'Amps and Cabs [BG]' started by csholtmeier, Apr 17, 2010.


  1. csholtmeier

    csholtmeier

    Feb 8, 2004
    omaha, ne
    Are there some things I can check, or does it need to go into the shop?

    I also noticed the red bias lights are flashing, probably not related, but worth mentioning.
     
  2. Hi.

    Flashing red leds indicate a problem, not necessarily the reason the DI doesn't work, but something's not right in there.

    If You wait a while, either Jerrold or Dino will chime in.

    Regards
    Sam
     
  3. Jerrold Tiers

    Jerrold Tiers

    Nov 14, 2003
    St Louis
    Flashing how and when?

    the DI is extremely simple and uncomplicated on these, so basically you are down to a bad connection or one of just a very few parts........ it is off the power amp input, and so it should have output if the amp does......
     
  4. csholtmeier

    csholtmeier

    Feb 8, 2004
    omaha, ne
    Red lights stay on with nothing plugged in, amp off stand by.
     
  5. Jerrold Tiers

    Jerrold Tiers

    Nov 14, 2003
    St Louis
    And can't be adjusted off with the bias?

    A problem exists.....
    From Manual:

    Condition
    Problem
    Solution

    Green comes on, then red
    No problem
    The longer the green LED is on before the
    red LED comes on – the better matched the
    tubes are.

    Red comes on, then green
    Tubes not properly matched
    Set slightly before green comes on, obtain
    matched tubes when possible.

    Red comes on, no green
    One or more tubes are non-functioning
    Check to make sure tubes are all seated
    properly; if so, find and replace bad tube(s).

    None on
    Possibly no high voltage or bad
    Have unit checked by a service technician.
    Bias Control or bad tube(s)

    Both on all the time
    Possible bad Bias Control or bad tubes
    Have unit checked by a service technician
     

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