Repairing Guides

how to repair tv main board

by Anjali Mills Published 2 years ago Updated 2 years ago
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How to Repair TV Mainboard

  • First, download or request the schematic diagram of your TV’s circuit board from your device manufacturer.
  • Unplug and unmount your television from the wall and place it face-down on a flat surface. Make sure to put a towel...
  • Ensure you are grounded to remove the static charge. You can do this by touching a metal object.

Part of a video titled Samsung TV Mainboard Repair Guide - YouTube
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Now in this video i will try to list out most of the main board problem and their checking method.MoreNow in this video i will try to list out most of the main board problem and their checking method. And solution to let the tv repair at save time and solve the tv. Mainboard.

Full Answer

How do I repair my TV mainboard?

Repairing your TV mainboard is relatively easy. All you need is a multimeter, screwdriver, and replacement parts. First, download or request the schematic diagram of your TV’s circuit board from your device manufacturer. Unplug and unmount your television from the wall and place it face-down on a flat surface.

What is a TV mainboard?

A TV mainboard has several technical names, including a motherboard, logic board, electronic board, circuit board, main panel, and scaler board. The easiest way to identify your mainboard is to locate what holds the audio and video inputs.

What are the common faults with a TV mainboard?

Some typical faults with the TV mainboard include; no color on the monitor, vertical or horizontal lines, or sometimes no sound output. Is it possible to repair a TV mainboard unit? Yes.

What to do if your TV has no power?

For a no power symptom TV, the first thing to do is to check the output dc voltage from the external power adapter. If there is no output voltage then the power adapter is at fault.

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Can a main board be repaired?

Many laptop owners assume they need to buy a new laptop when this happens. But there are many circumstances where a motherboard can simply be repaired. In other cases, you may be able to replace the motherboard without replacing your other components, saving yourself a lot of money in the process.

How much does it cost to replace a main board on a TV?

TV motherboard replacement costs between $200 and $350, including parts and labor, or about $275 on average. Motherboard replacement parts range from $35 to $199 and labor costs from $60 to $125.

How do I replace the main board on my TV?

0:442:02Samsung 60" LED TV UN60 Main Board Replacement Tutorial Part ...YouTubeStart of suggested clipEnd of suggested clipConnections. Remove all of the screws and the board from the chassis. Align the replacement boardMoreConnections. Remove all of the screws and the board from the chassis. Align the replacement board and install the screws to secure the board to the chassis.

Can you use a different main board in a TV?

It's possible, and not unheard of for TVs in the same model line to share some components. If the part number of that used board is the exact same as your bad one, then i'd assume it would work.

Can you repair TV motherboard?

Any motherboard - no matter if that is a TV's or computer's or any other device can be serviced/repaired.

How does a TV motherboard get damaged?

Electrical Spikes and Surges Lightning is the #1 culprit of spike/surge motherboard failure we see — and it will often go in through the Coax Cable / Phone Line / Ethernet Port and bypass a surge protector! This sudden change of voltage can cause damage to the delicate circuits in a motherboard.

What does the main board do on a TV?

1:164:35Purpose of TV Main Board - Explained - YouTubeYouTubeStart of suggested clipEnd of suggested clipPower button main board feeds electrical power to our ribbon wiring that feed into your panel. AndMorePower button main board feeds electrical power to our ribbon wiring that feed into your panel. And you got your main power board. And there's your connection that your power cable connects into and

How do I know if my TV Board is bad?

2:545:32What TV Boards Commonly Fail in LCD - Repair Service GuideYouTubeStart of suggested clipEnd of suggested clipSo if you get a video distortion. You think I would look at for a video any kind of lines in theMoreSo if you get a video distortion. You think I would look at for a video any kind of lines in the screen is your t-con board or also known as your controller. Board t-con stands for timing.

What is the main PCB on a TV?

What is the main board on a TV? A TV main board is also known as the system board, motherboard, baseboard, or even logic board is the primary or the main PCB also known as the Printed circuit board. This is present in both televisions and general computers as well.

Are TV power boards interchangeable?

Same model/part numbers, they are probably the same for the most part and the revisions are small changes, better filtering, better caps, etc in a new revision. Best way would be to power them up and test the volts coming out of the pins, see if they are pinout compatible.

How much does it cost to replace a Samsung TV power board?

You will find that it will cost anywhere between $200 and $400. Anything more than that means that those technicians are trying to overcharge you. The average for hiring someone is about $275.

Is it worth fixing a TV?

If you want to reduce waste or have a simple fix, repairing your TV is worth it. However, sometimes the cost of repairs can exceed the cost of a new TV. Therefore, depending on the age of your TV and the parts you need to replace, replacing your old TV with a new model is more cost-effective.

What does the main board do?

The motherboard is the backbone that ties the computer's components together at one spot and allows them to talk to each other. Without it, none of the computer pieces, such as the CPU, GPU, or hard drive, could interact.

How do I replace the motherboard on my Samsung Smart TV?

1:095:51How to Replace All Boards in Samsung LED TV - YouTubeYouTubeStart of suggested clipEnd of suggested clipI will remove all of the screws that hold the board to the TV panel. I will slide my replacementMoreI will remove all of the screws that hold the board to the TV panel. I will slide my replacement board into position and then tighten it to the panel with the screws.

How do I fix my Samsung power supply board?

0:443:38Samsung TV Power Supply & Main Board Replacement TutorialYouTubeStart of suggested clipEnd of suggested clipAfter I've removed the screws I can lift the board from the panel. Then. I will take my replacementMoreAfter I've removed the screws I can lift the board from the panel. Then. I will take my replacement board line it up correctly and then screw it to the panel to secure it. Tightly.

What to do if TV has no power?

For a no power symptom TV, the first thing to do is to check the output dc voltage from the external power adapter. If there is no output voltage then the power adapter is at fault.

Can you repair a TV mainboard?

Conclusion- Don’t immediately repair the TV mainboard or any other mainboards unless you have carefully studied how the mainboard works. Otherwise you will be shooting in the dark as where to start to check and this will cause your time lost. If you want to be excel in LCD/LED TV repair you can check out on Kent’s and Damon’s ebooks.

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