Всем, привет! Хочу поднять тему.
Я тут вроде нарыл причину, иностранные юзеры пишут, что все дело в диодном мосту.
The problem is that it generates huge amount of radio interferrence, so that the FM radio is no longer audible. What you have to do is to remove the diode bridge rectifier and connect + to + and - to -. In my unit the rectifier had "MBS6" label on top and + and - indicator. I simply cut the legs and soldered small piece of metal legs from spare resistors. Then the radio interference disappeared completely. You now have to make sure the polarity of input, though. It is running perfectly and driving two red CREE LED in serial without any problem.
If you're using a DC power source and you want to maximize the efficiency of this LED driver then I recommend removing the rectifying diodes because these waste a bit of power due to their forward voltage drop.
Вопрос к гуру - чего отпаять, к чему припаять?
Микросхема у меня BP1361 datasheet
resources/file/4004Как я понял к конденсатору припаять плюс и минус, четыре диода у основания ножек выпаять?