After buying cleaning and polishing this radio I have pluged it to 12v added a speaker and all it did was slowly smoke. I removed the cover and determined that there was no obvious damage to electrical and mechanical components. I plugged the radio once more and observed that the smoke was comming from this transformer. Out of curiosity i took it apart (I was looking for chared plastics or burnt wiring) and I found that the inner most wire was parialy molten into a plastic housing of the unit and the insolation layer was flaky.
1. Is the faliure of this transfor