Project Description

This electronic PCB board for American customer, is used for Smart Home System, it is a display board. We can see there are many indicator lights on the circuit board, different color of light on indicate different situations.

smart home display board

This PCB is FR-4 material, two layers. In order to facilitate the later assembly process, we made two pieces PCB into one panel, and added 7MM edges on the long sides. We usually add asymmetric mark points and positioning holes to the edges of the circuit board, to facilitate the automatic solder paste machine and automatic assembly machine identification.

Our Component Inspection Process for PCBA Production.

Components are also being purchased while PCBs are being produced. All the components are original to guarantee the quality. Even so, we do not relax the inspection of components. When each kind of components arrived, we will have professional technicians to check the model and quantity, then transfer them to the IQC department to check the quality of all PCB pads and components, after checking and ensure the components have no problems, they inform SMT department to arrange the next process.

Plugins electric circuit board

First of all, our SMT engineer program the automatic assembly machine, all the SMT components of this printed circuit board are completed by it, from adding the tin to finish assembly are fully automated. Our technicians will observe whether all the components are soldered well after the production is finished.

Then our technicians plug in the components to their corresponding positionby hands according to the bom and design drawings, then go through wave soldering, after that, QA department will check the status of all components.

Next, our engineers should install programs for each display electronic board. The customer provided us with a program machine– MPQ Programmer. Firstly, load PCBAs to MPQ Programmer, from P4 to P1. Secondly, then connect power plug to boards from P4 to P1 and switch on. Lastly, observe MPQ Programmer interface to see it is pass or fail.

After programming, the circuit boards need to perform the self-diagnostic and switch test.

Test 1, connect a 5V supply to the power adapter one the PCBA and observe the status. If there is no problem with quality or procedure, it will occur such phenomenon: LED1 flash momentarilly→ LB1 turns on → RGB1, RGB2 and RGB3 cycle through its colors → The light bar will cycle on each LED Bar(from LB1 to LB6,and stop at LB6).

Test 2, enable the test mode by moving SWD1 switch position 1 to off. Press the switch of SWB2, SWB1, SWA3 and SWA2 successively to see whether the corresponding RGB light is cycle through their available colors. If all is ok, move SWD1 switch position 1 to the on position, all the RGB lights will in white, and the LED1&LB1 set to on. At this time, all the tests are finished.

Identifying and Resolving Issues: The Quality Assurance Process of Our electronic board.

During testing of these PCB boards, we noticed that the light didn’t turn on initially when we connected the power supply. However, after disconnecting and reconnecting the power source, the boards ran normally. We are conducting further investigations to identify the root of the issue and resolve it promptly. Our goal is to ensure that all of our products meet the highest quality standards and perform reliably for our customers. We appreciate the patience and understanding of our clients as we work to resolve this issue. After analyzing the situation, our engineers suggested that the PCB boards may require electrical activation. We tested the boards again and again and found no problem. We fed back this situation to the customer, they agreed with us.

At last, technicians from the OQC department perform a final inspection for each PCBA. To protect the printed circuit boards assembly, we use multilayer PP foam packaging and label them according to the customer’s requirements after they have passed the final inspection.

The Success Story of Our PCBA electronic board Line: From Sample Circuit Boards to Mass Production

Our company made some sample circuit boards at the beginning of this year. After receiving the samples, the customer conducted the tests, all PCBA electronic board passed their tests. Our customer was impressed with the quality of our PCBA mass production and quickly placed a new order.

We strive to maintain our competitive edge in the market by delivering the best possible product to our clients. Our dedication to quality has paid off as our customer’s products continue to sell well.

This month, we received another mass order from them. In order to ensure our clients receive the best value for their investment and are satisfied, we make a commitment to produce high-quality products and provide exceptional customer service.