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Samsung lcd inverter problem model sens r46

My samsung sensr46 laptop has an lcd problem.i think the inverter has given up.is there any remedy?

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  • e_rakers May 11, 2010

    You can replace the LCD inverter with a new one. Depending on your laptop model, they are usually fairly inexpensive...< $30. What is the model of your laptop?

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1 Answer

Brightness buttons (f2 and f3 are not working


Not a lot to go on here, Prabhdeep

Need the full model information

Example,
Acer Aspire 5535-5050

Post back in a Comment, or Reply; at end of this solution

Primer:

An LCD screen does not produce light,

http://solutions.3m.com/wps/portal/3M/en_US/NA_Optical/Systems/BehindTheScenes/Optics101/

Click on the monitor icon

Because of this the LCD screen needs an additional light source.
A Backlight is the additional light source.

A Backlight can be a CCFL, (Or more than one), or a series of LED's.
(Light Emitting Diode)

CCFL = Cold Cathode Fluorescent Lamp (Bulb)
Similar to Fluorescent lighting used in homes, and businesses; but on a MUCH smaller scale.
Average thickness is 2mm, or a little more than 1/16th of an Inch.
Or about the width of this capital letter -> O <-
Average length is almost as long, as the LCD screen is in height.

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

View the last 8 photos

(Do they break easily when trying to remove, and replace?
OH, YES!)

A screen Inverter is used to convert the power from the laptop, for the LCD screen, and Backlight.
If the laptop uses LED backlighting, it MAY or MAY NOT use a screen Inverter.
Generalized thinking (Can also be stated as 'Rule of Thumb'), is that if the laptop uses LED backlighting, it does NOT use a screen Inverter.

I also feel into this line of thinking, since none of the LED back-lit laptops seemed to use a screen Inverter; that came to the shop.
I have found this to be a fallacy from on here,......FixYa.....
I have looked up two laptops using LED backlighting, and discovered they also used a screen Inverter.

Now I post LED backlighting may, or may not use a screen Inverter.
Seems when LED backlighting first came out, a screen Inverter was used on some models.
Also seems as the LED backlighting technology progressed, no screen Inverter is used.

90 PERCENT of the time, the fault for bad Backlighting can be attributed to a bad screen Inverter.
Of course, this IS IF the laptop uses a screen Inverter.

For a laptop with LED backlighting that does not use a screen Inverter, and backlighting is bad (Dim, or non-existant), the next hardware part in the diagnoses to replace, is the LCD screen.

I now await the information I asked for above.
Then we can diagnose together.

Regards,
joecoolvette

May 09, 2013 | Computers & Internet

1 Answer

Where to buy second hand lcd laptop for samsung sens 855


The best chance you have is to get your panel specifications and find a site where you can order the same panel. It isn't a simple unplug-replace-done process. It can be quite meddlesome. It would be much simpler to go to a repair shop where they have panels present for replacement.

Nov 03, 2012 | Computers & Internet

1 Answer

HP pavillion dv5 laptop screen has gone dim


replace lcd inverter.
http://www.hp-lcd-inverter.com/inverter.php/hp+pavilion_dv5-1250us+inverter.htm

Sep 17, 2012 | HP Pavilion dv5-1250us Notebook

1 Answer

HELP Samsung sens p30 audio driver


You can download the audio and device drivers from the Samsung WEB site. Please click on this link and select your model computer/notebook and the Windows drivers you require :-. http://www.samsung.com/us/support/

Sep 16, 2012 | Samsung P30 Notebook

1 Answer

Drivers downloads for samsung corona sens P30


You can download the device drivers from the Samsung WEBsite. Please click on this link and select your model computer/notebook and theWindows drivers you require :-.http://www.samsung.com/us/support/

Jun 10, 2012 | Samsung P30 Notebook

1 Answer

I have a samsung sens r70 laptop,when i boot it no display in monitor


If your laptop appears to boot up and the hard disk LEDflashes, then the problem is probably a back light fault. This can be a faultyinverter or a faulty CCFL lamp. Please click on this link and follow myinstructions to identify the fault and possible fix :- http://www.fixya.com/support/r3598095-faulty_laptop_lcd_screen

Feb 27, 2012 | Computers & Internet

1 Answer

Samsung Laptop SENS R46


Dear jungk1990,

I hear you screaaming for help, so here is the way...

Try to write down you Power Resource on down side of your laptop (You Must Turn IT UPSIDE Down To see it Clearly!!).

i.e : AC Input 100-220V 50/60Hz DC Input 15V 4400mA (blah..blah..!!)

Write it ACCURATELY (I mean the DC Voltage And the Ampere (mA) range..)

In the flash, visit (meaning: You drive you car or call a cab to drop you..eh eh.) the nearest computer Mall or Electronic center in your City, ASK FOR "UNIVERSAL LAPTOP CHARGER" !!

Match the voltage spec. with your note.. As far as the range is match, you can convince yourself to buy it, the UNIVERSAL LAPTOP CHARGER should come with several VARIOUS power jack that interchangeable to fit your inlet powerjack on your laptop. Better you bring your laptop and ask the Store-staff to help you out. That's it!

Good Luck,
Bionic23


Apr 26, 2009 | Samsung Computers & Internet

1 Answer

Samsung SENS R65 LAPTOP


look at the screen held in a bright light at an angle do you see the desktop dimly .
if not try the function monitor key,
connect an ext monitor to verify the video card is working ,fn monitor .
if you see the desktop dimly then the inverter may be out or the lamps.

Apr 24, 2008 | HP Pavilion dv6000z Notebook

4 Answers

Bad transformer on Inverter Board


Hi.

This is very common with all makes of lcd tv unfortunately the transformers are near impossible to get hold of on there own.
Your best chance is either look on Ebay to see if anyone has A scrap complete tv same model for sale.
Or look for invereter board for sale.
Just to give you some idea of what you are looking for this is a link to A site in the UK that sells inverters.

http://www.chsinteractive.co.uk/electrical-components/lcd-television-inverters-etc.html

Chris.. http://dysonmanuals.llc.nu/

Dec 27, 2007 | Samsung LN-S3251D 32 in. LCD HDTV

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