TV Power Supply Boards for JVC
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What Are TV Power Supply Boards?
Televisions are complex, detailed, and contain many parts that somehow bring an image to life in front of your eyes; however, that wouldn't happen without the power supply board. This is a crucial component of your JVC TV, and when it fails, it requires immediate replacement for your TV to work properly again.
What Does a Power Supply Board Do?
When you're not familiar with TV tech, you probably have no idea what a power supply is or what it does, so there are some basics to know about this important part of your television.
- Sometimes called an inverter, circuit board, or backlight board, when you look at this part, it may simply look like a bunch of circuits.
- What it actually does is provide power to your television, working like a battery to power the display screen and light up your set.
- These operate at a high voltage of typically several hundred volts. When your power supply requires a repair, you may think that your entire TV set has failed, but it could just need a new power board instead, so don't rush to toss the TV when it stops working.
What Are Some Symptoms of a Failing Board?
It's tempting to just avoid dealing with a broken set and go buy a new one instead; however, when you have a little bit of tech know-how and some time, an LCD TV power supply board is a part that you can replace yourself at home.
- Do you hear a buzzing sound or any other odd sounds when your television is on? This a common symptom of power board failure.
- You may need to turn your TV on and off several times to be able to view something.
- Your screen may go black as soon as your TV turns on. After you do, you either can't see a picture at all or you only see a picture for a few seconds.
What Are Some Repair and Diagnosis Tips?
You'll need to ensure that you purchase the proper board by matching up the model number with your existing board so it fits and works correctly.
- Begin by unplugging and powering down your television before using a screwdriver to remove the back housing from your TV.
- Next, check your capacitors to see whether they are bulging. When this happens, you may just need new capacitors, but replacing the capacitors and the TV still not working means that you'll need to replace the main board.
- Remove the board and replace it with the new one, and then reverse your steps to put your TV back together and power it on to verify that your replacement worked and that your LCD TV comes on properly.
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