Question about Samsung Syncmaster 730B 17" Flat Panel LCD Monitor

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Backlight How? I don't have a print to now how to dismantle! Are there bulbs or a LED strip?

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My freind you need a technician for that

Posted on Mar 12, 2008

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LED TV - replaced power board but still no backlight? LED backlights do not seem to work.


yes the led backlight for whatever reason is not functioning and that is the root cause of your problem. Unfortunately to find a replacement led backlight is tough as the backlight is normally fixed with the lcd panel and has to match the voltage and all that stuff with motherboard. and if that doesn't match you might short the tv itself. this case is as good as getting a replacement lcd panel.

Feb 17, 2016 | Seiki SE50FY10 50-Inch 1080p 60Hz LED HDTV...

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Se50fy10 backlight not working


This is an exact problem that I am facing with my Seiki 50" TV. From my research, here are the probable issues:
1. Main Board/T-Con Boards are fine
2. Power Board : MIP550D-5TB could be defective - most probably the culprit. There is a power test to try but w/o schematics, it is not possible to identify component
3. If Power Board replacement does not solve, it is the backlight LED strips that are defective - tought one to replace.
Will update this thread at a later date.

Sep 18, 2015 | Seiki SE50FY10 50-Inch 1080p 60Hz LED HDTV...

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My sony pcg-71912L screen got cracked so I ordered a new one. My nephew put it on for me but no backlight. He said he could find no place to plug it into. I have hooked it to an external monitor and i


I believe you have an LED screen which does not require a CCFL bulb to enable the backlight - the reason it doesn't have a place to plug in. Make sure you have ordered the correct screen. Verify exactly which type of screen you need by checking with Sony.

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What is an Samsung UN40D6500 LCD TV? LCD TV Liquid Crystal Display, which stands out from the bulb or CCFL Cold Cathode Fluorescent Lamp, which is a thin tube like a drinking straw. By horizontal long as...


Hello
What is this? Are you trying to take a class to everyone to thie world, how the LCD TV works? I think you be a student, not a professional. If you wer a professional, you may won't dare to post this as a problem. OK.

Feb 11, 2012 | Computer Monitors

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Power light comes on but no picture


Try to check if the monitor displays anything - it would be very dark so experiment with angles/lighting. If you see picture it means that backlight is broken. Broken backlight can be caused by:
  1. Burnt "bulbs" (cathodes or LEDs) - If this is an LED backlit display then this scenario is highly unlikely.
  2. Broken inverter (most likely)
In both cases you need to have it repaired by a technician. If this is a relatively new display this will be cheaper than buying a new one.

Oct 12, 2009 | Samsung SyncMaster 940T 19" LCD Monitor

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Screen blinks to black, but the LED indicator is still GREEN


Get both inverter board and backlight fluorescent bulbs from eBay.

Jul 04, 2009 | AOC LM 720 17" Flat Panel LCD Monitor

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I was told that the backlight on my monitor was burned out. Can this be replaced without having to send it off somewhere? Where can the replacement light be purchased


First off it could be the backlight bulb or the LCD inverter. I would try the LCD inverter first it will cost about $25 and is easy to get to Take the face plate off around the monitor and the LCD inverter is at the bottom. It looks like a strip of circut board with plastic coating over it. Most of the time it is the LCD inverter.

But if its the Backlight bulb you might be able to take it to a local tv repair shop. you can order the backlight bulbs online but they are gragile and tricky to replace. you have to seperate the layers of glass on the screen abd the backlight will be at the top inbetween the layers of glass. If you do decide to do make sure to wear rubber gloves because the oiles from your fingers will get inbetween the glass layers and cause foggy spots when you put it back together.

Hope this helps

What kind of computer is it?

May 02, 2009 | Gateway FPD2275W LCD Monitor

1 Answer

Monitor does not wake up.


Check the inverter and backlight bulbs.

Mar 27, 2009 | NEC MultiSync LCD1550VM 15" LCD Monitor

1 Answer

Display lights up then quickly goes dark


It could be your LCD backlight giving you problems. With the computer on and the monitor power LED green shine a flashlight in the lower left hand corner of your screen. Look for the ?Start? button, if your backlight is not working you?ll see a faint ?start? button if you look closely. If you do see the ?Start? button then either your backlight tube is bad or more often the inverter board is bad. Let us know if you have any other questions and please don?t forget to rate this posting.

Jul 15, 2007 | Dell UltraSharp 1704FPT 17" Flat Panel LCD...

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Monitor


ferozkhan, It could be your LCD backlight giving you problems. With the computer on and the monitor power LED green shine a flashlight in the lower left hand corner of your screen. Look for the ?Start? button, if your backlight is not working you?ll see a faint ?start? button if you look closely. Depending on the monitor this is usually an economically repairable problem. Let us know if you have any other questions and please don?t forget to rate this posting.

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