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devson

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  1. Hello friends! I'm Brazilian, I'm sorry if I made a mistake in translation. I have a source that has a problem. It turns out that when I put a 12V voltage in a lamp 12V / 1W. The voltage drops to 10V and no use trying to make up for POT.VOLTAGE. She does not rise! Already I changed the 2N3055, D9, amplifiers and can not find what is causing it. The same happens with other loads and stresses that apply. Any suggestions of what might be causing this problem?
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