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Which backlight to replace - Televison & Video

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Can't understand what do you mean by this problem post. Provide more details please.

Posted on Oct 17, 2013

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How do you fix a Samsung 55" Television with no picture but good sound?


The symptoms you described would indicate the backlights are not working.

The 2 main reasons are the backlight inverter board has gone or the backlights have blown!

Since you have replaced the inverter board with a new working one then this would point towards the LED backlights.

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Model 42LN5700. What caused backlight failure?


Backlights do fail, and can be replaced. If the set is more than 5 years old, it could simply be backlight failure.

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Screen is black


This website sells both replacement CCFL backlights and upgrate LED replacement backlights.

update ccfl lcd to led lcd led strip led backlight led kit led backlight...

Dec 04, 2013 | Northstar Explorer 657...

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Backlight replacement


You can only get the LCD replacement, I have never found a site that offers the backlight in place of the LCD display.

Apr 21, 2012 | Panasonic Lumix DMC-TZ7 Digital Camera

1 Answer

Sony cyber shot dsc-t10 backlight not working


Hello,

Yes, the backlight is a separate part. It can be removed from the LCD and replaced.
The following video shows how to replace the backlight in a Sony camera.

http://www.desmontalo.com/?p=275

Apr 01, 2012 | Sony Cyber-shot DSC-T10 Digital Camera

1 Answer

Screen is to dark. cannot see letters very well.


Suggest you press the Fn key And the key to increase brightness, first. (Should be a key that has a sun icon on it)

Barring this does not increase the visibility of your LCD screen, the I suggest the Backlight is bad, or the Inverter.

The Backlight is a type of CCFL tube (Cold Cathode Fluorescent Lamp) mounted to the LCD screen. The LCD screen needs the light given off of the Backlight.

Replacing the Backlight is a daunting task, and if done wrong, will cause possible damage to the LCD screen.

The LCD screen itself has a thin metal frame holding the components of the LCD screen together. This frame must usually be opened on the side that has the backlight, to access the backlight. The components that make up an LCD screen are fragile, and can easily be damaged.

The Inverter supplies power to the LCD screen, as well as the Backlight.
Inverters do go bad, but commonly it's the Backlight to go first.

This shows a typical Backlight replacement. It IS not an advertisement to attempt this yourself, but a reference tool for information.

http://www.laptoprepair101.com/laptop/2007/12/09/replace-laptop-backlight-ccfl-lamp/

Nov 16, 2009 | Itronix GoBook III Notebook

1 Answer

My backlight is broken (Casio EX-Z100)


Try to check on ebay, you may find the LCD with backlight just less than 30 bucks. To replace the LCD kit is easier to replace only backlight, and it's hard to find the backlight.

Aug 21, 2009 | Casio Exilim EX-Z100 Digital Camera

1 Answer

On my xps the lcd backlight wont turn on?


could be bad backlight or inventer.

do you see picture but just no backlight?

it could also be a loose connection between the display and the motherboard.

how to replace your laptops backlight:
http://www.instructables.com/id/How-to-Replace-Your-Laptop_s-Backlight/

replace inventer:
http://www.instructables.com/id/Replace-LCD-Backlight-Inverter-on-Any-Monitor-for-/

start by checking for loose connection between the lcd and the motherboard.

Jun 07, 2009 | Dell XPS M1330 Notebook

1 Answer

"Upgrade" of Backlight Panel


just replace what failed.
I replace the surface mount FETs on the inverters.

Dec 03, 2008 | Sony BRAVIA KDL-40V3000 Television

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