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  1. M

    Problem: two caps in ACDC unit?!?

    Thanks a lot. I understand clearly your suggestion. That was my initial guess but I needed confirmation. You know, this dead cap was placed like that in the factory (manual operator?) and the manufacturer does not want to give me the right answer in its forum, while implicitily suggesting they...
  2. M

    Problem: two caps in ACDC unit?!?

    Thanks for the reply. NO, it is NOT center-tapped. The transformer has three different independent voltage convertors for different parts of the system. The mother board gets power from the 9V and the 30V parts. - The dead condensator corresponds to the 30V part. This affects (I guess) the...
  3. M

    Problem: two caps in ACDC unit?!?

    Hi, I got a buzz-interference problem with a guitar amplifier. After realizing the buzz was 100 Hz and thus related to the AC power, I detected a failure of "one" of the caps of the diode bridge rectifier that powers the mother board (this mother board has a analog preamps and a DSP to make...
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