How do we view the inner layer of trends in a precision multi-layer board? How can rigid-flex boards seize the lead in explosive orders?
There will also be many techniques to choose from for the copper thickness and drilling sequence of PCBs, but most people have not yet correctly completed the copper thickness of PCBs and do not know how to distinguish it. Our main method today is to check if there is a similar method on your board.
Although it is not clear how many manufacturers are professional, if judged through practical methods, failures often occur due to lack of experience. So it's better to prioritize the best method.
The first thing to observe is whether there is any detachment or multiple cracks, including a small area of copper foil or some parts that may absorb moisture, leading to leakage or breakdown.
It looks relatively intact, and the observation equipment is equipped with a safety cover, which can be seen from the cabinet of the power cabinet.
Observing whether there is leakage or material issues with various components inside the cabinet, and observing their defects, it is found that the two do not match.

Determine whether the cabinet is lacking moisture, add control boards inside the cabinet, observe whether the electrical control circuit is lacking phase or open flame, and whether measures have been implemented.
After selecting the electrical control part and finding other units (such as electrical insulation resistance, corrosion, etc.), select the material, color, structure, and installation position of the cable based on performance, cable usage area, cable outlet position, spatial distribution map, control cable size, protective layer (cable window cloth, protective fence), etc.
At the front end: When the cable is perpendicular to its cross-sectional area of line voltage, the protective equipment should provide a 2m long current inside the junction box for power supply. The safety of design and installation can still be ensured even if the specifications are met.
The electrical equipment transmitted by the power layer and line is a component with normal voltage and all switchgear with isolation devices.
All frames used in the power supply should have reliable power supply, which requires good low voltage and compliance with the requirements of low voltage power supply. These insulation layers include resistance and switchgear.
● Power lines and components, switch power supply rooms, and multiple power supply voltages. When the voltage used exceeds or falls below their allowable resistance, it should be higher than the highest voltage of the power system.
● Multiple and low-speed rectifiers for power cords, power cords, and components, switch power sockets, and power transformers. For example, including current passing through rectifiers and voltage drivers, they can be loads or ideal loads for electrical appliances.
Different power transformer connections and other devices can cause mutual interference and coupling, as well as electromagnetic interference and damage to other electronic devices.
One is a more direct method of placing an electronic component on a power supply, and in any case, this method only applies to its circuit (such as power switching devices).
Any circuit measure, such as grounding and power supply, must be grounded through a power source.