Fumax

Project Overview

Digital display screens can be seen everywhere in modern life and are widely used in various public places such as shopping malls, stations, airports, and hospitals.

Customized digital display PCB motherboards are designed for specific application requirements and feature high performance, high reliability and high integration.

This project will introduce in detail the entire process of customizing digital display PCB motherboards, including demand analysis, design, manufacturing, testing, etc.

Demand analysis

Before customizing the digital display PCB motherboard, a detailed demand analysis must be conducted first. This includes:

1. Determine the display size and resolution: Select the appropriate display size and resolution based on the application scenario and display requirements.
2. Determine the interface requirements: Consider the interface requirements with other devices, such as video input, control signals, etc.
3. Determine power supply and power consumption requirements: Consider the power supply method and power consumption requirements of the display to ensure stable operation.
4. Determine the protection level and environmental adaptability: According to the use environment, determine the waterproof, dustproof and other protection levels of the display screen as well as weather resistance requirements.
5. Determine cost budget: Develop a reasonable cost budget based on demand and market conditions.

Design

After completing the demand analysis, enter the design stage of the digital display PCB motherboard. The main steps include:

1. Schematic design: Based on the requirements analysis results, design the circuit schematic to ensure that the circuit function meets the requirements.
2. PCB layout: Carry out PCB board layout design according to the circuit schematic diagram to ensure that the components are arranged reasonably and beautifully.
3. PCB wiring: Carry out PCB board wiring design according to the layout diagram to ensure stable and reliable signal transmission.
4. 3D modeling and simulation: 3D modeling of the PCB motherboard, electromagnetic field simulation and thermal analysis, and optimization of the design.
5. Generate manufacturing files: After completing the design, generate manufacturing files, including light drawing files, drilling files, etc., for use in the manufacturing process.

Manufacturing stage

After completing the design, enter the manufacturing stage of the digital display PCB motherboard. The main steps include:

1. Plate selection: Choose the appropriate plate according to your needs, such as FR4, CEM-1, etc.
2. Plate processing: Carry out cutting, drilling and other processing on the plate to prepare for the next process.
3. SMT and welding: Mount the electronic components on the PCB board and solder them to ensure that the components are firmly connected to the PCB board.
4. Inspection and maintenance: Inspect the welded PCB boards to find and repair faults to ensure reliable quality.
5. Surface treatment: The PCB board is subjected to surface treatment such as gold plating and tin spraying according to requirements to improve its corrosion resistance and conductivity.
6. Assembly and packaging: Assemble and package the manufactured PCB board to ensure that the product meets the protection level and transportation requirements.

Testing

After the manufacturing is completed, the testing stage of the digital display PCB motherboard is entered. The main test contents include:

1. Functional test: Functionally test the digital display PCB motherboard to check whether it meets the design requirements and interface specifications.
2. Performance test: Perform performance test on the digital display PCB motherboard, including testing of resolution, refresh rate, brightness, color and other indicators.
3. Environmental adaptability test: Conduct environmental adaptability test on the digital display PCB motherboard, including testing of temperature, humidity, vibration and other conditions.
4. Compatibility test: Conduct compatibility test on the digital display PCB motherboard to ensure that its interface connection with other devices is stable and reliable.
5. Reliability test: Conduct reliability test on the digital display PCB motherboard, including life test, failure rate test, etc., to ensure that the product is reliable and durable.
6. Safety testing: Conduct safety testing on the digital display PCB motherboard, including testing of electromagnetic radiation, electrostatic discharge and other safety indicators.
7. Acceptance test: Conduct acceptance test on the digital display PCB motherboard based on the test results and acceptance standards to ensure that the product meets the customization requirements and expected performance indicators.
8. Document and record management: Organize and archive the documents and records generated during the testing process to facilitate subsequent maintenance and use.

Summary and Outlook

Customizing the digital display PCB motherboard is a complex and professional project that requires strict control in multiple aspects such as demand analysis, design, manufacturing, and testing. Through the introduction of customized digital display PCB motherboard, we can see its entire process from design to manufacturing and the importance of each link.

In the future, with the continuous advancement of technology and increasing application requirements, customized digital display PCB motherboards will be more intelligent, efficient and personalized.

At the same time, with the strengthening of environmental awareness and the promotion of green manufacturing, the manufacturing of digital display PCB motherboards will also pay more attention to environmental protection and sustainable development.

Therefore, in future development, we should continue to optimize design, improve manufacturing levels and strengthen environmental awareness to meet the needs of the market and users and promote the sustainable development of the industry.