lcd display no backlight factory

A wide variety of lcd screen without backlight options are available to you, You can also choose from original manufacturer, odm lcd screen without backlight,As well as from tft, ips, and standard.

Typically we see a lot of sets with some sort of backlight problem - this is mostly because people and manufacturers like to run the sets with the backlight at 100%. Unfortunately with LED backlit sets this causes LEDs to fail, often just outside of the warranty period. Below we list the common faults and list the best ways to fix them.

If you have some dark or black spots on your LCD screen, then it"s typically a sign that one or more of the LEDs on the backlight strips has gone bad. In the case of edge lit LCDs you will see that an entire line on your screen appears to be darker than the rest.

If you can not find the replacement strips you need on https://www.shopjimmy.com or are based outside the USA, we would recommend https://www.aliexpress.com/ as another great place to be able to find new and reconditioned LED strips.

If you are proficient with desoldering and re-soldering of surface-mounted electronic components / have a hot air rework station then you can buy the individual leds and swap out just the damaged ones on the strip, although we would not recommend this due to the amount of effort and the possibility of the replacement LED having a slightly different colour temperature or brightness.

If this is the case then you can take the set apart, and re-glue the lens to the LED. We will warn you however that this is a very delicate procedure to get the lens lined up exactly and so that the light output exactly matches all of the other LEDs. If you are not confident then we would recommend purchasing replacement strips and swapping the strips out entirely - new / replacement strips come with the lenses already glued / attached so you will not need to worry about alignment.

If you are willing to take your set apart then sometimes you will be able to diagnose these issues visually with very limited tools (this is not always the case).

Typically you will be looking for faulty / leaking capacitors on the LCD Power Board - although capacitors can sometimes fail and not show any visual signs. If you are able to confirm that the power board is operating correctly, then the next think to check would be the LED strips themselves. A quick visual check to look for burned or damaged LEDs may indicate where the problem is.

Warning: Disassembling your LCD set to get to the backlights is a complicated and delicate process, please be very careful when removing the LCD as it is very easy to crack it or damage the thin ribbon cables.

Remove all of the individual boards, taking great care not to snap any of the plastic connectors or thin ribbon cables (if you are struggling to unclip some cables, search for YouTube tutorials).

After a long, hard day, you finally sit down to catch up on your favorite show. But when you hit the power button on your remote control, your TV screen stays black! You try pressing the remote’s power button again and again from every angle, but still, your TV has no picture. If this sounds familiar, you’ve likely fallen victim to one or more TV screen issues.

What causes a TV screen to go black? Software issues, loose connections, or backlight problems are usually behind black TV screens. Learn about each of these causes and get tips for troubleshooting them so you can get back to relaxing with your favorite TV shows, movies, and video games.

If your TV screen is black and there’s no sound, you’ll want to check for an LED light or a small indicator light that tells you the TV has power. If there is no power to the TV while it is plugged in, there may be an issue with the outlet or fuse box in your home. However, if the TV is on but the screen is black, the problem could lie with your TV’s software.

Unplug the TV from the wall, and, if possible, remove the power cord from the back of the TV to perform a soft reset. Wait 30 seconds, and plug the TV back into a working outlet to test it again. If you’re still having screen issues, you might want to bring in an expert — they’ll know how to fix your TV’s black screen.

Whether you’re working with an HDMI cable, RCA (usually yellow, white, and red cables) set up, or another type of connection, you need to ensure the cables are seated properly and firmly into their connection ports. With a good connection, the cable shouldn’t feel loose or easily disconnect when pulled on or moved around. If all your cables have a snug fit but the problem persists, try connecting the device to another TV. If your TV screen is still blacked out, you may need new cables.

Some TV displays, such as LCD screens, use a backlight to illuminate the picture. If the backlight burns out or stops working, it will result in a blank TV screen.

To check your TV’s backlight, make sure your TV is on. Then, turn off the lights in the room and shine a flashlight on the screen. If you can see a picture with the flashlight, then your TV’s backlight is likely burnt out.

While you might be eager to learn how to fix a black-screen TV, a broken backlight does not come with an easy solution. The backlight will need to be replaced, and it’s best to get help from a professional with this task.

If repair costs are outside your budget or not worth it considering the age and condition of your TV, you may want to consider upgrading to a new smart TV. When you purchase a new TV from your local Rent-A-Center, you’ll enjoy free product service and repairs for the life of your agreement as part of our Worry-Free Guarantee.

Newhaven 16x1 character Liquid Crystal Display shows characters with dark pixels on a gray background. This reflective LCD Display is visible with high ambient light while offering a wide operating temperature range from -20 to 70 degrees Celsius. This NHD-0116AZ-RN-GBW display has an optimal view of 6:00 and has no backlight. This display operates at 5V supply voltage and is RoHS compliant.

Adjust the length, position, and pinout of your cables or add additional connectors. Get a cable solution that’s precisely designed to make your connections streamlined and secure.

Easily modify any connectors on your display to meet your application’s requirements. Our engineers are able to perform soldering for pin headers, boxed headers, right angle headers, and any other connectors your display may require.

Choose from a wide selection of interface options or talk to our experts to select the best one for your project. We can incorporate HDMI, USB, SPI, VGA and more into your display to achieve your design goals.

Choose from a wide selection of changes including shape, size, pinout, and component layout of your PCB to make it a perfect fit for your application.

Sometimes it turns out that on pressing the power button on your TV you"re not getting a picture and a sound. The first thing you are to determine whether it is a TV issue or a power issue. To check if power is supplied to the TV unplug the power cord from the back of the TV or the wall outlet. While it is unplugged, disconnect all external devices from the TV.

Hold pressed a power button on the TV for several seconds. Reconnect the power cord. Then, as you press the power button, look at the LED power indicator light. If it is not lighting up at all unplug the power cord from the TV and from the wall outlet and securely and tightly plug it back in.

Verify if the surge protector or an extension is turned on in case a power cord is connected to these devices. If a TV screen appears black, plug another device into the socket to check whether this device is getting power from the outlet. If power is supplied to the outlet it means that your TV is powering on and a picture issue should be revised. You need to make a call to the TUSA Service Center and our technician will soon revive your TV.

There are many possible problems in case your TV is powered but a TV screen goes black and there is no sound. All you can do in this case at home is to reset your TV to the factory defaults. This procedure is described in the User Manual of your TV.

The component repair is possible only in the Service Center TUSA, where well-trained technicians are armed with sophisticated electronic diagnostic and repair equipment.

Sometimes when watching TV, annoying situations arise when a TV screen fades off to black. That is to say, the TV screen goes black at random times and appears to be off but the sound is available and the power light is still illuminating. A troubleshooting procedure may differ for a variety of TV brands but generally will work the same to fix the problem and is as the following:

Connect a different device to the TV or the same device to another TV. The device being used (Ex. Blu-Ray/CABLE BOX) may cause the black screen issue.

A hidden fault within HDMI cable – Replace with new High-Speed HDMI 2.0 cable. Replace the HDMI cable as it may have a short or another defect which causes the black screen issue.

Note: If your MacBook Pro has any damage which impairs the service, that issue will need to be repaired first. In some cases, there may be a cost associated with the repair.

Ever had your TV showing nothing but a black screen even if the audio was working? Unfortunately, that’s a common issue with low/middle-end LCD/LED TVs these days… Even more frustrating, this issue often comes from a rather tiny and cheap component that can be easily replaced. Most common issues are:

The first step into repair is to find the root cause of the issue. As backlight failure is a very common issue, this is the first thing to test. To do so, the easiest way is to power on your screen, put a flashlight very close to it and check if you can see the image through. The image would be very dark, like turning the brightness of the screen very very low.

That implies disassembling the TV to access the backlight which is between the LCD screen in the front and the boards in the rear. In my case, with a Samsung F5000, I had to process as follows:

First we have to remove the back housing to reveal the boards (from left to right: main board, T-CON, power supply) and disconnect the LCD panel from the T-CON board.

Note: Older TVs have neon tubes for backlight, which is thicker and less exposed to this kind of failure. LED backlight is the most common thing these days, but do not mistake an LED TV with an OLED TV. The first one is a classic LCD panel with a LED backlight, whereas the second is an OLED panel that doesn’t need any backlight as it is integrated in each pixels (making the spare parts much more expensive by the way).

As we can see, the backlight system is made of 5 LED strips. First thing to do is look for burnt LEDs. Most LED backlight systems have strips set in series, meaning that if one of the them fails, all the system goes dark…

Using a multimeter, we can confirm that the strips are indeed set in series, so now we have to test each strip individually. Professionals use LED testers such as this one (about 40$ on amazon) but as I didn’t had one at the time, I decided to make one, McGyver style!