well i replaced the diodes on both variable channels and Variable 1 world fine - but the Variable 2 is just outputting full input voltage - i have it connected to a z1000 - i have the MTH Handheld set and it shows the voltage as 0 then i can raise it to 5-5.5 etc but the actual output is constant and equal to the input voltage - any ideas on what's is happening? i tired another TIU and both variable channels work fine -
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