Thank you very much for the help. It was very helpful. Unfortunately my MCL 2AV seems to be faulty. It doesn't work although I bought a new transformer for it. It is completely dead. There is no current going to the IR so the IR is not responding either. Any ideas? Does anyone know from where I could get a service manual for the MCL 2AV? Is this

Does anyone know the polarity of the power supply for a MCL 2AV? Does + go to the spike in the middle of the power connector or to the side wall? I think this is marked as a drawing on the original transformer if someone happens to have one at hand. I bought a MCL 2AV from eBay without the transformer and now I am trying to figure out what kind of a