digital concepts mcb med5 for true fitness z7 treadmill

Discussion in 'General Electronics Chat' started by cubanme, Jul 19, 2014.

  1. cubanme

    Thread Starter New Member

    Jul 19, 2014
    1
    0
    I have been looking everywhere for some help in finding a replacement diode for this faulty MCB. The guy I sent it out to get fixed is having no luck in getting information from True Fitness or Digital Concepts about the Diode.

    all I know is that what the guy looking at my board said. The Part Location is Zr2 the board itself is an med5 #3. any Ideas of what can be done?
     
  2. MaxHeadRoom

    Expert

    Jul 18, 2013
    10,571
    2,381
    You may have to do a little reverse engineering around the diode spot as it is most likely the 12v zener for the low voltage supply, Do you see the LED lit at all?
    Max.
     
  3. THE_RB

    AAC Fanatic!

    Feb 11, 2008
    5,435
    1,305
    From a first glance, it looks like R35, 13, 6 and 20 look cooked.

    The whole thing looks to have had a rough, hot life. :(
     
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