What problems should be paid attention to in circuit board power debugging

Many friends believe that after the electronic cigarette control panel is designed and simulated and tested, there will be no major problems, so there is no need to test the electronic cigarette control panel after proofing. But in fact, getting the board is the real test link.

Then the first step in the test of the electronic cigarette control board is not to directly power on and measure the functions that have been set. In the actual measurement, a small detail omission may leave a loophole, so it is necessary to go step by step . Start with the test from the basic components of the electronic cigarette control board.

What problems should be paid attention to in circuit board power debugging

What problems should be paid attention to in circuit board power debugging

Under normal circumstances, engineers will use a multimeter to test the control board network, mainly to detect whether there is a short circuit. Although the staff will also detect whether there is a short circuit between the power supply and the ground when proofing, but in order to prevent false welding and virtual In the case of welding, it is necessary to test again. This is also to save unnecessary time for subsequent inspections. During the inspection, special attention should be paid to the detection of power short-circuit.

When testing the power supply, if there is no short circuit, pay attention to whether the output value of the power supply meets the originally set value. If the value fluctuates greatly and the accuracy is too low, it is necessary to see whether there is a problem with the resistance. If there is a short circuit, then look for the problem step by step, usually, it is caused by wiring.