allmycircuits, 1 year ago First image: U1 says HZ300 0053, and Q1 says 3400A. There’s nothing on the back of the board. The second image has two U1 components: the smaller says RCAKL9 00765, the larger is 6228A 2121/33, and the Q1 is 3400X.
First image: U1 says HZ300 0053, and Q1 says 3400A. There’s nothing on the back of the board. The second image has two U1 components: the smaller says RCAKL9 00765, the larger is 6228A 2121/33, and the Q1 is 3400X.