If you've assembled a circuit and all seems to be alright, as far as you know, but it doesn't work as planned or even worse, it doesn't work at all. What will you do first?
D. Start troubleshooting by calculating DC voltages
B. Inspect the circuit for mechanical defects
C. Visual check before testing the components
A. Testing each part on the circuit board
Answers & Comments
Answer:
D. Start troubleshooting by calculating DC voltages
Explanation: