Masterful DVD PCB Manufacturer in China

Mission Accomplished with PCBMay DVD PCB

Are you on the lookout for a DVD PCB provider that will gratify you? PCBMay has what it takes to complete your needs.

• Add any type of USB port (Type 2.0, Type C, Micro)
• Compatible with HDMI and HD technology
• Enables 1080p upscaling
• Supports Digital Dolby surround sound in the device
• Boosts device display (color accuracy and optics)

Be a leader of the industry with our DVD PCB products. With our circuit boards powering your device, you are sure to hit your targets. Not only are our PCBs affordable, but they are also dependable as well.

PCBMay’s manufacturing capability is time-tested. Because of our steady work, we have earned the respect of customers worldwide. In fact, we lead the domestic and international market for Multilayer PCBs such as the DVD PCB.

But the humble DVD PCB is just one of our featured products. PCBMay can produce high-end circuit boards used in robotics, the military, and even advanced medical applications. For instance, we have Transparent PCB orders from major medical companies—that is how innovative we are. With any kind of PCB we produce, we follow it up with solid customer support.

You won’t have a problem contacting our after-sales support team! We are ready when you are, 24/7. Our sales staff is trained following global standards, so information flow will not be a problem. In case you need an Engineering Question answered, we make sure it is done in one hour.

So, get your DVD PCB order processed! Don’t settle for anything less than the best. Your business is secure with PCBMay.

DVD PCB: The Ultimate FAQ Guide

You will find PCBs in every electronic device. DVD PCB is one of them. DVD PCBs are used in DVD players to function DVDs. There is a complex working principle in DVD players and PCBs.

PCB circuit is always a complicated subject. So, you need to know the basic knowledge of PCBs while working with them.

However, there are many questions about DVD PCBs we found. So, we have organized some of the questions about DVD PCBs. Now, we will be answering them.

At the end of this FAQ guide, you will get some precise ideas about the DVD player PCB board.

What Is A DVD PCB?

Before learning about DVD PCB, it’s important to understand what a DVD player is. A DVD player plays audio and video. DVDs can hold other information too. DVD-video and DVD-audio, on the other hand, are two distinct sorts of technical standards.

DVD PCB Board

DVD players get connected to video playing devices to show videos. It is also capable of producing sounds. You may, on the other hand, link a DVD-audio player to an audio output device in order to hear audio. Video production is not possible with an audio player.

A DVD player is an electronic device, just like any other electrical device. PCBs provide power to every electrical device. Additionally, DVD players include DVD PCB boards.

Consequently, DVD PCB stands for printed circuit board, which is responsible for allowing circuits to operate properly in DVD players. In 1997, the world’s first DVD player was introduced. Cooperation between the Japanese Sony Corporation and the American Pacific Digital Company resulted in the creation of this product.

A DVD PCB may be single-layered, double-layered, or multilayered in construction. Powering up the PCB DVD players requires the usage of a variety of components. They consist of resistors, conductors, capacitors, diodes, transformers, integrated circuits, and so forth.

A PCB includes mechanical and electrical qualities that allow it to work properly. The majority of DVD PCBs in the world are in stiff condition.

What Is The Use Of DVD Player?

Basically, a DVD is a disc that stores information. The information may be in different types, such as video, audio, PDF, JPG, etc.

DVDs are mostly used for videos. You can store many videos with DVD standards. For example, the Xbox 360 DVD PCB stores high-quality videos and audio. DVD videos are also used for video game releases.

Xbox  360 DVD PCB

On the other hand, the other format of DVD is standard DVD audio format. DVD audio offers more storage, higher sampling, and bit depth.

Also, DVDs can be used for software programs.

What Are The Parts Of DVD Players?

As we mentioned before the use of DVD players, a DVD does read and write data for use. For doing these, different parts are used in a DVD player. It is certain that, for different tasks, different parts are needed.

Disc Drive Mechanism

The disc drive is one of the most important parts of a DVD player. Motor and other related components are the main materials of the disc drive. The DVD is rotated in a circular manner thanks to the motor.

Another essential component is a disc tray in the DVD player. This section contains the disc that the users will be inserting.

Disc Drive Mechanism Of DVD Player

A spindle contains the motor and the disc tray. The spindle rotates the disc on the disc tray of the DVD player. Inner belts along with other parts keep the spindle in place.

Optical System

The optical system is an inner part of DVD players. It consists of a laser beam, prisms, and a photodetector.

As a result, they generate output that is utilized as an input for the disc drive. Laser beam uses laser diodes in the optical system.

In DVD players, the laser system and the photodetector are located next to each other. The inner motor operates the entire optical system.

Printed Circuit Board

The printed circuit board, often known as the PCB, is the board that permits all circuits to operate properly. As previously stated, the DVD PCB is the primary focus of today’s discussion.

PCBs enable DVD players to work correctly because they are designed to accommodate the appropriate positioning of electrical components.

What Is The Working Principle Of A DVD Player?

The optical mechanism of DVD players hit the pits and bump of DVD players with a laser. The pits and bumps, as well as the laser beam, will all be altered in some way. Following the laser’s impact on a single place on the DVD within, the DVD begins to move in a circular fashion.

Following the commencement of the movement, the laser will cover the whole region. The mirrors included inside the DVD, on the other hand, have an influence on the location of the DVD.

Then the photodetector inside the DVD player collects the laser beam and converts it into binary signals. After converting into the binary signals, the photodetector sends it to the digital to analog converter in the DVD PCB.

Working Of DVD Player

After converting the signals, the analog signal goes to the corresponding DVD. The PCB also amplifies the signal by using an amplifier.

After these, the DVD PCB sends the signals to the graphic and audio unit of the DVD player. The units then generate the video and audio outputs.

The following video may help you with how DVD blue ray works.

How To Assembly A DVD Player?

A DVD player is not manufactured in a centralized location. Different manufacturers produce different components of the DVD player. This is due to the fact that each component performs a unique function. Various development mechanisms are required for different types of jobs.

In any case, after completing the production of the various components of DVD players, they are brought together and assembled in a centralized location.

During the construction process, you will first need to build the DVD printed circuit board. All that is required is that you insert the appropriate PCB components in the appropriate locations. The PCB must be connected to the other components of a DVD player once it has been assembled.

When the job is done, the complete package is put within the exterior plastic casing of the DVD player, which protects it from the elements. It is necessary to locate the buttons for the DVD players on the front panel in this location.

Following the completion of the DVD player assembly, the commercial packaging of the players takes place.

How To Make A DVD PCB?

Designing a DVD PCB following some steps. Basically, every PCB that you want to make, must go through some gradual steps. Generally, it starts withdrawing. The following are the steps to make the DVD PCB board you want.

Schematic Drawing

The very first step of designing a PCB is to draw the schematic of the board. Schematic is the foundation design of your PCB. You can say it is the blueprint of PCB.

A DVD Player Circuit Schematic

The schematic shows which components to use, how to place them, the relationship among the components. Also, how to create conductive traces is another objective of the schematic. It defines the layout of the PCB.

Layout Design

After creating the schematic of the PCB, you need to design the PCB layout based on the schematic. For this, at first, you need to create a blank layout on your PCB design software. Then import the schematic of the PCB by schematic capture.

In the PCB layout, you need to define and design the layers, dimension, size, and shape of the PCB.

Print The PCB

After entirely designing the PCB layout, the printing part comes. Now you can print your PCB on the PCB board. However, before you print the PCB layout on the board, you must make the PCB board first as per the layer determined in the layout design section.

Now you can print your PCB layout on your DVD PCB board. However, you can use 3D PCB print or laser printing. 3D PCB printing will create conductive traces along with printing.

For other printing, you need to etch the traces independently.

See how 3D printing creates a PCB.

PCB Assembly

After successfully printing the PCB, now it’s time to assemble the PCB with the necessary components. You can mount the PCB components in different ways. Among the component technologies, SMT is the most popular one. However, you can also use through-hole component mounting, or press-fit too.

For this, you must define the mounting technology in the very first of the PCB design.

After assembling the PCB, go through a testing phase. PCB testing will ensure the usability of the PCBs. Now your DVD PCBs are ready to install inside the DVD players.

What Are The Basic Factors That Should Consider During Designing A DVD PCB?

To get a successful PCB manufactured, you must consider some facts seriously. Otherwise, you may go through a failure of the PCB manufacturing phase.

Analog And Digital Signal Traces Should Be Separated In A DVD PCB

The following are the facts you should keep in mind while making DVD PCBs.

• Make sure you are making the PCBs with the proper board size. Because improper size and shape can fail to hold all necessary components, circuits, and functions.
• The manufacturing process is another fact to consider. Because different manufacturing processes have different aspects and limitations. You should pick the necessary process regarding your PCB objective.
• Keep the components placement order right. Try to orient the similar components in the same direction.
• Place the digital signal and analog signals away from each other. Also, place the digital and analog components separated too.
• Make sure you employ proper grounding for the PCBs.
• Solder the components with utmost care if you use through-hole mounting technology.

What Are The DVD PCB Board Base Materials?

There are different types of base material used for creating PCB DVD players. Base material selection works based on different criteria, such as cost, sustainability, performance, etc. The following are the most popular PCB base materials that are used for making PCB boards.

FR4

FR4 is the most popular PCB substrate in the PCB industry. It is flame retardant with grade 4. FR4 complies with the NEMA LI 1-1998 standards.

It has good thermal, mechanical and electrical properties. It forms with epoxy resin, glass cloth.  FR4 is the cheapest PCB substrate.

Polyimide

Polyimide is another popular PCB substrate. It is basically a little more expensive than FR4 material. It also has excellent thermal, mechanical, and electrical properties.

It can comply with more heating conditions than FR4.

Teflon Or PTFE

Teflon is another high-grade PCB material that performs outstanding mechanically, electrically, thermally.

Teflon Substrate

Teflon is normally used for high-speed PCB and high-frequency PCBs. However, it is more expensive than FR4 and Polyimide.

What Is DVD PCB Corrosion?

Corrosion

Corrosion is the process of oxidation, which happens with metals. When metal comes to oxygen, it creates a bond with oxygen and goes to oxidation. It produces rust on the metal and drives them to destruction.

PCB corrosion might happen to different metal parts of DVD PCBs. For example, conductive traces, pads, solder joining, and other metal parts. The metals that are prone to corrosion include plated tin, copper, lead, nickel, etc.

Preventing Corrosion

Preventing corrosion is not that complex a task. You can prevent them in different feasible ways. You can use a conformal coating to coat the metals. Besides this, surface finishes for the PCBs is another most effective solution.

Gold Plated Surface Finish Is Applied To Prevent Corrosion On PCBs’ Metal

Aside from these, epoxy coating, aerosol sprays, and solder masks are other effective corrosion solutions for small areas.

What Are Grounding Rules In DVD PCBs?

Grounding is the return path of electricity to the earth. When any uneven event or current following happens to the electric circuit, grounding helps to return the current to the ground. It provides safeguards to the electronics.

Grounding is one of the most essential to-do parts in electronics, especially for PCBs. There are some specific rules to maintain when grounding a DVD PCB.

Ensure Proper Grounding For PCBs

They are as follows.

• Do not leave anything unattached on your PCB layout. Make sure you attach every conductive part with the ground plane of your PCB.
• Keep a dedicated ground layer for the ground plane.
• Ensure a common ground point for all parts.
• Keep the vias as small as possible.
• Ensure the grounding before routing the components of PCBs.
• Ensure dynamic variance for grounding when grounding the different layers in multilayer PCBs.

What Is The Through-Hole Mounting Technology Of DVD PCBs?

Through-hole mounting technology is component mounting technology in the PCB industry, for instance in the electrical industry. Through-hole is also known as thru-hole. It uses leads during soldering using plated through holes.

It was the only way to mount the PCB components before the invention of SMT technology. It dominated the PCB industry till the end of the 1980s.

Through-Hole Component Mounting Needs Soldering The Pads

In through-hole mounting technology, you have to solder the components with soldering iron to attach to the PCB boards. However, most of the devices use SMT technology now. But that does not mean through-hole is outdated.

Till now, THT is used vastly because of its reliability. It is the cheapest component mounting technology. Also, you can use the components easily in THT. That is why it is still more popular in prototyping. Also, THT creates the bond is far stronger.

But the limitation of through-hole is its soldering process. Also, it uses both the surface and bottom area of PCBs. Also, the components are big for THT. Ultimately, THT components occupy more space.

How Do You Ensure The Quality Of A DVD PCB?

The quality of your DVD PCBs is one of the major concerns. Because faulty PCBs will not bring any profit to you, rather destroy your investments. You can ensure your PCB’s quality by following steps.

Proper Testing Ensures The PCB Quality

• Make sure your PCB manufacturer has IPC certification along with other required certifications.
• Make sure your PCBs are being manufactured with the best parts.
• You have to maintain a systematic process control while manufacturing your DVD PCBs.
• You must check the PCBs that are manufactured have proper solder joints.
• You should go through proper automated and manual testing processes to ensure PCB quality.
• A highly and properly maintained production environment is another important factor in producing quality products.
• Store your DVD players in a DVD pcbox.

How Can You Manage The Impact Of PCB Materials’ Thermal And Electrical Properties For DVD PCB Manufacturing?

The PCB materials have different types of properties to maintain. You have to check them when you choose the materials for your DVD PCBs.

Because the properties of the materials impact the performance of the PCBs. Different properties are as below.

Thermal Properties

• Glass Transition Temperature: It is the temperature range that the materials change their shape temporarily. It should be under the range.
• Decomposition Temperature: Permanently change the shape of the substrate. It should be under solder temperature.
• Coefficient of Thermal Expansion: The PCB substrate expansion rate. It is related to decomposition temperature. Should be as low as possible.
• Thermal Conductivity: The rate of heat transfers through a material. It should be as much as possible.

Electrical Properties

• Dielectric Constant: It affects the signal and frequency of the DVD PCBs. So, it should be as low as possible as well as constant.
• Loss Tangent: It is the measurement of power loss of PCB. Loss Tangent does not impact the digital signals. It impacts analog signals.
• Volume Resistivity: The resistance of dielectric materials. It should be high. It is needed for maintaining isolation between the layers of the DVD PCBs.
• Electrical Strength: The ability to resist electrical breakdown on DVD PCBs.

What Are Via And Its Types For DVD PCB?

Vias are the conductive paths in DVD PCBs that connect the different layers in a multilayer PCB. They are basically plated conductive copper that goes through drilled holes in PCBs.

The parts of a via are conductive barrels, pads, and anti-pads. The barrel is the conductive part of Vias that goes through the holes to join the layers.

Different Types Of Vias

Based on usability, vias are differentiated into different types. They are as follows.

1. Through-hole vias: The vias that are drilled from the surface layer to the bottom layer of DVD PCBs. They connect all layers of the PCBs.
2. Blind Vias: Blind Viasstart from an outer layer, and end in an inner layer. They do not go through the entire PCB.
3. Buried Vias: Buried vias stay in the inner layers. They have not seen any outer layers.

What Is The Conformal Coating Of DVD PCB?

Conformal coating is applied to DVD PCBs in order to establish a shield between the contaminants and the circuit board. It is a layer of protection. It helps to keep PCB surfaces clean by ensuring safety.

Applying Conformal Coating ON PCB

Conformal coating is a liquid item that is applied to a surface. When you apply it to your PCBs, some of them will have a firm feel, while others will have a rubbery texture.

The benefits of conformal coating are:

• Provides high-degree insulation protection.
• Prevents moisture and humidity.
• Prevents corrosion and oxidation.
• Increase the strength of the PCB surface.

What Are The Consequences Of High Heat In DVD PCB?

High heat is a reason for headaches for PCBs, for instance, all electronics. High heat can harm your DVD PCB in several ways. They are as follows.

High Heat Can Destroy Your DVD PCB

• Extensive heat can disrupt the physical structure of your DVD PCBs. Because the different layers of your PCBs tend to fluctuate. Besides this, different materials are used in different layers.

All of them have the same temperature properties. So, they will lose their structure and will not comply with each other anymore.

• High heat also disrupts the circuit lines. Damage occurs to the circuit and they are unable to pass signals.
• The materials expand at uneven rates. Because the expansion rate of each material is not the same. So, different types of layers will not be compatible with each other.
• High heat is one of the big reasons for oxidation.

What Are The Steps That Should Be Taken To Prevent High Heat On DVD PCBs?

To prevent high heat on your DVD PCBs, you should take the following steps.

Heatsinks Dissipate Heat From DVD PCB

• Use quality heatsink. Properly place the heatsink for normal heat dissipation.
• Use cooling fans for controlling the high heat.
• Use high-grade materials and components for the PCBs.
• Keep the orientation of the same components the same.
• Keep separate the digital and analog components and signals.
• Keep proper spacing among the conductive traces and components.

How Can You Select The Best DVD PCB Manufacturer?

Selecting the best PCB manufacturer is one of the most important aspects to get quality DVD PCBs. You should make sure of the following properties to have for a PCB manufacturer.

• IPC and other relevant certifications.
• Vast experience in manufacturing PCBs.
• Highly-oriented workspace.
• Bulk production capacity.
• Customer review.
• Latest technology compatibility.
• Professional working staff, etc.

Last Words

PCB manufacturing is always a complex task. If you get a faulty DVD PCB manufactured, your total investment will be destroyed. For this, you should wisely select a PCB manufacturer for your DVD PCB.

On the other hand, proper study about DVD PCB can help you to make decisions easily. We hope we have answered your required questions about DVD PCB in this post. However, a good PCB manufacturer like PCBMay is always here to help people by providing quality PCBs.

You may contact us today to get the best quote for your desired needs.