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    Behringer schematic versus actual board

    I’m a musician who has been out of work due to covid so I’ve been repairing old gear that has been sitting under my work bench. I’m down to the last item, a Behringer K1800FX keyboard amp. I have the schematic, but the board is burnt through. I’d replace it but Behringer is notorious for having...
  2. A

    15 V zener diode replacement

    Okay, I have a similar problem, though I have a schematic to work with. I know the old diode is labeled PH C15 but I’m not sure what wattage. I was advised by an engineer friend to order a 15V 500mw replacement, but it’s half as thick as the original, so I’m thinking I need a 1W instead. I’m...
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