Trustworthy Projector Circuit Board Manufacturer in China

All Your Projector Circuit Board Needs Fulfilled

Due to its use in business and at home, projectors are a popular digital product. It deserves a well-performing Projector Circuit Board made by PCBMay.

• Support sharp contrast and good optics
• Capable of powering 1000-2000 lumens depending on device
• Possible to add smart remote control, Bluetooth & WiFi capability
• Designed to optimize color quality in screens
• Gives high resolution displays without stressing eyesight

We are 100% supportive of your various PCB needs. This means we have expert staff on hand to assist you with PCB products and PCB services. For instance, we understand that some Projector Circuit Board are custom-made. If you already have a Projector PCB that needs Reverse Engineering, we can do the service seamlessly.

When you work with our company, we standardize Engineering questions. We allot our senior staff one to two hours to give you an answer, at most. As for sales queries, that is easily taken care of, as our sales crew is around 24/7.

In case you need a third-party audit, we facilitate that as well. We know how discerning some of your requirements are. Don’t worry, we are very transparent with our Projector Circuit Board production process. We are very much ready for external quality checks, as we are already ISO: 9001 and ISO: 14001 certified.

For delivery options, we partner with the world’s most reputable logistics companies. Your order will arrive on time, safely, with no missing parts.

So, don’t waste your time with substandard PCB providers out there. Trust only PCBMay’s time-tested Projector Circuit Board. Contact PCBMay now to complete your order!

Projector Circuit Board: The Ultimate FAQ Guide

A projector is a device that projects pictures from a computer or onto a display, wall, or other surfaces. It is possible to use projectors to create both static and moving images. The essential component of a projector is the Projector Circuit Board.

Using a Projector Circuit Board in marketing and business can be highly beneficial. As a result, we have compiled a FAQ about Projector Circuit Board for your convenience.

We are eager to introduce you to what you can do with a Projector Circuit Board in the future. Let us begin.

What Is A Projector Circuit Board?

A Projector Circuit Board may connect to your computer, providing an alternative to a monitor or TV for projecting images to large groups of people. It displays pictures from a PC or a player onto a wall or blank screen.

Projector Circuit Boards are available in various forms and sizes to accommodate different applications. Most Projector Circuit Boards use a large PCB to house their components.

Using a tiny transparent lens, the main projector component generates a picture by shining light through the lens. Even yet, newer projectors can display the image directly onto the screen, thanks to lasers.

Projector Circuit Board

What Are The Types Of Projectors On Circuit Boards?

As technology has progressed, projectors have become more diverse. The many varieties of projectors are used for a variety of different tasks. In addition, they are put on the PCB differently.

In this part, we will cover the types of projectors.

Cathode Ray Tube (CRT)

A CRT projector projects video. It generates images using a high-brightness cathode ray tube. By focusing the picture onto a huge projection screen, a lens is maintained next to the CRT face.

The lenses of a CRT projector concentrate the picture or video on the screen. These photos are processed using three colored CRT tubes (red, green, and blue).

CRT projectors are large and heavy, making them immobile. They are mounted on huge PCBs. Their three light weapons also take a lot of power. These projectors are said to be compatible with contemporary technology.

CRT PCB

Liquid Crystal Display (LCD)

LCD stands for Liquid Crystal Display. The name LCD is a combination of liquid and solid. The display unit projects an image.

PC, laptops, TV, handheld video games, and mobile phones utilize these display panels.  They use a standard-size Projector Circuit Board. That’s why the LCD devices are significantly thinner than CRT displays.

Digital Light Processing (DLP)

Digital Light Processing is a visual technology used for front and rear projection. DLP is utilized for both front and rear projection. It is often used in TVs for rear projection and front projectors for businesses and schools.

Digital Light Processing uses Digital Micromirror Devices to bounce light and shade onto a screen. These tiny micro reflectors are on a microchip. A DLP Projector Circuit Board has two notable structures: 1 chip and three chips.

What Are The Differences Between DLP And LCD Projector Circuit Board?

DLP and LCD Projector Circuit Boards are the most used today. The best circuit board for your projector relies on a variety of criteria.

CRT Projector Circuit Boards were prevalent in the initial periods of projectors. In each of the three primary hues, they used a separate tube. They are no longer utilized because of their massive size and limited light output. In each of the three primary hues, they used a separate tube.

Brightness

Lumens are used to measure the brightness of a projector. The higher the lumen number, the greater the potential brightness of the picture shown on the screen.

When projecting on a tiny screen in a small space, an LCD Projector Circuit Board with a lumen rating of 1,500 to 3,000 can produce visually pleasing images.

Images on enormous displays in vast venues or ambient light may affect the picture. It is recommended that you utilize three-chip DLP projectors with a brightness range of 10,000 – 28,000 lumens.

Technology

The technology used on the LCD Projector Circuit Board is transmissive. The circuit board of a DLP projector is made of reflecting type technology.

Power Consumption

LCD Projector Circuit Boards use much more power than DLP Projector Circuit Boards.

Cost

LCD Projector Circuit Boards are less expensive than DLP Projector Circuit Boards.

LCD Projector Circuit Board

What Is The Standard Frequency Of Projector Circuit Board?

Electronic devices that operate at a high frequency are becoming more popular, particularly in the wireless network industry. Satellite communication is expanding fast, and information products are becoming more high-speed and high-frequency.

As a result, designing new goods, high-frequency substrates, satellite systems, mobile telephone reception base stations, and other communication products are required. PCB Frequency is used in various communication devices.

Typically, the frequency of a Projector Circuit Board is 50-60 Hz.

A high-frequency PCB may suit your demands by including a unique signal need into your electrical components and products. It has a frequency band of 500MHz to 2GHz and can be used for many applications.

It is particularly well suited to high-speed systems and radio frequency (RF), microwave, etc. They may also deliver quicker signal flow rates required by today’s increasingly complicated switching devices and other parts.

High-Frequency PCB

What Dielectric Component Goes Into Projector Circuit Board?

A dielectric substance has a low electrical conductivity and acts as an insulator between two copper layers that conduct electricity. It is essential to research dielectric materials before settling on FR-4 as your primary option.

A PCB’s insulation layer comprises a dielectric material, a poor conductor. Suitable dielectric materials include ceramics such as porcelain and ceramic tile, mica, glass, and plastics, as well as metal oxides.

The more efficient a dielectric material is, the lower its dielectric loss. Overly strong electrostatic fields will cause a dielectric substance to conduct electricity, whereas the voltage across this one gets too high.

PCB Dielectric Materials

What Is The Standard Hole Pitch Of The Projector Circuit Board?

PCB space might be scarce when developing system-level circuits. Using a smaller IC package may reduce the necessary PCB space. If you prepare ahead of time, this might save you money and space on your PCB.

Pitches are the spacing between solder balls (pins) on an IC. The distance between two neighboring solder balls. There is ideal space between pads when the pitch is bigger.

Projector Circuit Boards have a hole pitch of 0.2mm, relatively small. This gives you 0.2mm between pads and channel traces.

PCB Pitch

What Is The Minimum Line Spacing Of A Projector Circuit Board?

The minimum space between wires and wires required by major PCB makers is four mils. The line-to-pad, line-to-line distance is also the minimum line spacing. The bigger, the better, and 6 to 8 mm is the most frequent manufacturing standpoint.

Line spacing on the Projector Circuit Board must be at least 0.1mm to ensure optimal functioning.

PCB Minimum Line Spacing

Why Do Projector Circuit Boards Fail?

PCBs fail for several causes, sometimes even before shipping. Understanding why PCBs fail makes it simpler to avoid future failures and increase PCB testing efficiency.

Here are some common causes of PCB failure:

1. Imperfections

Most PCB failures are due to defects. Defects often arise during PCB assembly.

PCBs are particularly susceptible to electrostatic discharge, and even modest releases may cause component defects. This may be latent or catastrophic.

2. Burnt Parts

Burning parts is a form of PCB problem that causes PCB failure. A burned component may need a complete board replacement.

Burnt components have three primary causes:

Heat:

High temperatures or direct flame exposure increase the risk of heat-related defects. PCBs must have a temperature of 170°C and an operational temperature of 25°C lower.

Component spacing:

Too many components near together on a PCB may cause overheating and poor performance. Heat-related faults may be avoided by designing PCBs with optimal spacing.

3. Ecological Factors

The same goes for circuit boards. Heat and humidity may cause PCB deformation and perhaps damaged soldered connections. That’s why PCB manufacture is generally done in a controlled environment with low humidity.

Unwanted debris on a board might also cause problems. Many causes might cause overheating in your assembly, including:

• Dust
• Liquid
• Fibers

Dirty PCB

4. Soldering Issue

Solder is an important PCB component. It keeps components connected to circuits. However, it may become polluted and cause board failure. Moisture in solder may make it conductive and create short circuits.

But it is not only solder consistency, and it is an installation mistake. Solder flaws affect the board in a variety of ways.

• Opens
• Oversoldering
• Module swapping
• Soldering
• Splashes and webs

5. Human error

The manufacturing cycle involves designers, assemblers, safety engineers, and others. So it is no wonder that human error causes inevitable PCB failures.

What Is The Process Of Manufacturing A Projector Circuit Board?

As an enthusiast, you should know how a Projector Circuit Board is made. Here is how a Projector Circuit Board is made:

Design

Using PCB design tools, you can create a PCB. You can use Altium Designer, Eagle, etc.

File to film

Manufacturers use plotters to create photo films of the PCB because they are precise and detailed.  As a consequence, plastic sheets containing blank ink are produced to replicate the circuit board picture negative.

Blank ink depicts conductive copper inside the inner layer, whereas transparent interior parts do not contain conducting elements.

Conversely, the surface layer will etch away the dark spots.

Printing inner layer

This is where the actual PCB is created in a dust-free atmosphere.  Pre-bond a copper coating on the board’s sides.  Clean panels get photoresist that solidifies in the exposed UV light to guarantee a perfect match.

Then wash the board with alkaline solutions to remove unhardened photoresists.

Then dry the board.

Reducing excess copper

This involves removing superfluous copper with robust chemical solutions while maintaining the copper underneath the hardened photoresist.

The next step is to dissolve the hardened resist to disclose the copper underneath.

Stack up

In this step, registration holes align internal and exterior layers.

Bonding

In this step, you will layer up and connect all layers.  Bonding occurs on steel tables with metallic clamps to attach the layers and prevent moving.

Drilling

This involves drilling holes to 100 microns in diameter. The holes are for vias and mechanical mounting. You also utilize x-ray locators to locate the drilling site accurately.

Plating

Chemical depositions are used to fuse layers.  The chemical routes deposit copper on the panel, filling the holes already made.

Outer layer imaging

This involves photographing the outside panel layers with photoresist instead of the inside layers.

Plating

An electroplated copper layer is applied to the board.

Etching

Tin will preserve the copper you desire while removing extra copper using chemicals.

Solder mask

Clean the panel and coat it with epoxy paint before exposing it to UV light to solidify it.

Surface Finish

A chemical plate is added to the panel to improve solderability.

Moreover, multiple surface finishes are available depending on certain aspects.

Silkscreen

This involves putting inkjet marks on the board’s surface with pertinent information.

Electrical test

This verifies the board works properly and fits the original design.

PCB Manufacturing

Profiling

This requires trimming the original panel’s board. Consequently

On A Projector Circuit Board, What Kind Of Transmission Lines Are There?

Transmission lines on PCB transfer signals from transmitters to receivers on a PCB. Two conductors make up a PCB transmission line: the signal trace and the ground plane.

The following are part of the Projector Circuit Board’s transmission line:

Stripline

Stripline is wrapped by dielectric materials suspended between multiple layers of the Projector PCB’s ground plane.

Microstrip

It connects to the Projector board’s exterior layers. Dielectric materials will also keep it away from individual ground planes.

PCB Transmission Line

What Is The Surface Finish Used In Standard Projector Circuit Board?

The surface finish of a PCB is an intermetallic connection between the bare copper solderable region and components. Circuit boards feature a copper base surface that may oxidize if not protected, thus requiring surface treatment.

Surface finishes on Projector Circuit Boards include HASL, Flash Gold, Immersion gold, OSP, and immersion silver. Improved surface quality enhances the longevity of PCBs while also increasing their cost.

Flash Gold Surface Finish

What Is Projector Circuit Board Aspect Ratio?

The aspect ratio of a PCB is equal to the ratio of the panel thickness to the size of the punched via. This is an essential ratio because of the impact it has on the coating that is contained inside the vias.

Most Projector Circuit Board manufacturers produce boards with an aspect ratio of 6:1.

What Is The Procedure For Extending The Lifespan Of A Projector Circuit Board?

The lifespan of PCB is limited, as you are most likely aware of at this point. Not even the really pricey ones found within your industrial equipment would suffice.  However, it is possible to prolong the life of the PCB. What is the best way to accomplish it?

Aged components are the primary cause of PCB needing repair. Secondarily, they wind up in repair for other reasons. Dirt, heat, wetness, and carelessness all lead to this kind of damage. Now that you can control it.

These tips for maintaining the circuit board of a projector might save you money.

1. Make sure the Projector Circuit Board is dust-free.
2. The average lifespan of an electrolytic capacitor is around ten years. Therefore this should be taken into consideration when making replacement decisions.
3. Make sure the silicone grease used to dissipate heat from high-power equipment is completely dry before using them.
4. Use Moisture Vapor Barrier containers to keep your electrical devices safe from moisture. Remove air as much as possible by vacuuming and heat sealing the bags. Thicker is better, therefore spend as much as possible to get the greatest.

Moisture Vapor Barrier Bags

How To Repair The Projector Circuit Board?

Projector Today’s circuit boards are much more challenging to fix than they were even a few years before. Manufacturing blunders and component failures are becoming the norm.

Component failure may factor older circuit boards; new ones may fail to owe to manufacturing defects, faulty soldering, solder bridges, and other issues. This is especially true for new circuit boards.

Some repairs may need more advanced methods, such as soldering and component swaps, to locate the root of the problem. A systematic approach to PCB assembly repair might make detecting and correcting faults faster.

Feedback from the end-user is an excellent idea to understand better what went wrong with the board. It is best to avoid using a damaged PCB for a while in most cases.

We will go through how to fix PCB in this part.

Although the fiberglass, copper, and adhesive layers in PCB fabrication resist heat accumulation, certain PCBs are more susceptible to debonding as well as other heat-related symptoms than others.

First, collect the necessary tools and equipment:

• Knife, flathead screwdriver, or sandpaper
• Copper tape adhesive
• Soldering iron
• Knife or scissors
• Pen
• Tweezers
• Clip

Step 1: Disconnect the defective part.

First, anchor the Board to your work area to not slide around. Use tape instead.

A burnt region signifies a failing component, pad, or trace that has to be repaired and reconnected to the existing lines on the PCB.

Turn on the hot air gun and hold it 6 inches away from the faulty component. After several seconds, try to lift the part with tweezers. If it does not come, keep applying heat for several seconds longer.

Heat-damaged PCB pads should be carefully removed using a sharp knife. Your goal is to avoid damaging the track and any surrounding elements while cleaning the board.

Step 2: Wipe the track.

You may then use your razor blade to scrape away the old solder after removing the broken pad. If you use a soldering iron, the outcome should be a glossy, clean track.

Step 3: Tape the track using copper tape.

After removing the faulty track and cleaning the area, apply the copper wrap over the place.  A piece of your tape should cover the current track and the current through-hole.

Step 4: Apply solder to the connections.

Carefully solder the connections where the copper tape meets the old track on your rebuilt PCB.

Step 5: Put your component in place and solder it.

If you’ve followed these procedures so far, you must have a working PCB prepared to accept your component. As previously, keep the heat application short. Here, soldering components should be accessible.

Soldering PCB Components

To complete the repair, gently trim the sticky copper tape using scissors. However, the pads, tracks, and connections might not be as physically robust as the original panel.

Regardless, you’ve given a second life to something many would have discarded.

What Are The Quality Grades Of A Projector Circuit Board?

When it comes to the production of Projector Circuit Boards, maintaining high-quality standards is critical. Any flaw in a single PCB might damage dozens or hundreds of them since they are often mass-produced.

When purchasing any sort, you have a reasonable expectation of quality. The following are examples of quality standards for a Projector Circuit Board:

• Certification by the European Commission (CE)
• RoHS (Restriction of Hazardous Substances)
• Certification according to IATF16949
• Underwriters’ Laboratories [UL]
• Institute of Printed Circuits [IPC]
• ISO 9001:2008

IPC Certified PCB

How Much Power Does A Projector Circuit Board Can Handle?

Electronics are commonly powered by a permanent power source, batteries, solar, or a mix. No matter how you power a circuit, you must understand how much it uses.

Power depends on current and voltage. The current, not the voltage, determines the power of a circuit.  The circuit cannot work correctly because the power source cannot give enough current.

Measuring a circuit’s power consumption is simple. It is all about P = IV.  You should use an ammeter to test if the circuit is current.

An ammeter can help you determine the power usage of a device. However, ammeters only offer a partial view of power consumption parameters such as peak power, duty cycle, and duration.

With a 30 A current and 220 volts, most Projector Circuit Boards can run at 6600W or 6.6KW.

What Factors Influence The Cost Of A Projector’s Circuit Board?

Various elements influence the price of a Projector Circuit Board relative to a standard PCB. A few examples of these considerations are as follows:

Type of projector

A DLP Projector Circuit Board may be more expensive than an LCD Projector Circuit Board in terms of cost.

DLP Projector Circuit Board

The number of layers

Projector Circuit Boards with a high number of layers are more expensive than those with a low number of layers.

Finishing

This is the last coating applied on the Projector Circuit Board to extend its lifespan. Some surface finishes are more expensive to install than others. For example, ENIG finishing will cost more than HASL.

PCB thickness

Because you will be using many laminates and other materials to create a thick Projector Circuit Board, you will wind up paying more money in the end.

Parts

The use of several components on a Projector Circuit Board will increase the total cost.

Customization

If you need to incorporate one-of-a-kind components that are made on the Projector Circuit Board, you will incur additional expenses.

Material type

When it comes to creating a Projector Circuit Board, there are a variety of materials to choose from. Furthermore, they also have different price ranges; for example, polyimide material is more costly than FR-4 material.

Circuit board size

Because you are using more resources, larger Projector Circuit Boards are more expensive than their smaller counterparts.

Conclusion

Today, the Projector Circuit Board is one of the most demanding PCBs on the market. This FAQ guide outlines all of the requirements for this particular PCB type. We hope you find it useful.

PCBMay is China’s top manufacturer of Projector Circuit Boards. With our world-class PCB, we can assist you with your project. Contact us at any moment if you have any questions or need assistance.