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

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Lights Out? I am told that the backlight on my 730b has gone out. Can it be fixed?

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  • Michael Irwin
    Michael Irwin Mar 10, 2008


    I am told that the backlight on my 730b has gone out. Can it be fixed?

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Yah it can be fixed

Posted on Mar 11, 2008

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1 Answer

I have a Vizio VF550XVT1A. The screen started to


Hi Alfred Grace,

First of all, thank you for posting your question here at Fixya.

Based on the symptoms you've described, I don't believe that the backlights are already faulty. If backlights gone to malfunction, that are permanent, but in your case you've said that the TV power up fine for half an hour, this is an indication that the fault not came from the backlights but from the inverter boards. Inverter boards are the one giving high voltage to the backlight to light up, it has a built in protection circuit that will activate once there's a malfunction on the board to avoid further damaged because of high voltage output.
If you would like to fix it yourself, I would advice you to replace both the slave and master inverter board. I saw your board at shopjimmy.com. Click it HERE for the replacement. Replacing these boards are not technical, all you have to do is to unplug the unit overnight to drain any voltages from the power supply board, disconnect all connectors and then put-in the new boards. No soldering required. If just in case that the inverter boards are not the issue (I'm pretty confident that the power supply board is working fine), don't worry, the link I've provided accepted return, the fault is on the power supply board.

Hope I helped you.
Have a nice day!
Good luck and take care!

Jdvillanueva

Dec 21, 2011 | Vizio VU42L 42 in. LCD TV

1 Answer

My samsung 730b monitor has gone dark. is there a reset or fuse that can be replaced?


this is probably a fault with the internal power supply or the backlight inside of the monitor. in certain Samsung monitors the capacitors go bad in the power supply, these can be replaced by re-soldering identical ones to the power board, which is fairly easy to do if you know how to solder. if that isn't the problem, the back lights have gone bad, which is very dificuly and probably expensive to replace. However, the monitor could be fine and you could have just altered the brightness/contrast or some other settings in the menu on the monitor itself, you could try selecting the factory reset option if it has one. Another thing that could go wrong is if someone has messed with the display calibration settings on the computer itself (unlikely).

Apr 30, 2011 | Samsung Syncmaster 730B 17" Flat Panel LCD...

2 Answers

When i switch on my laptop I see the led lights on but the screen is blank. I do not even see the hp icon that shows up initially


Hello !

It is typically the display's backlight or inverter board.

If you were experiencing discoloration in the screen (pinkish lower light hues) before it failed, that would indicate a CCFL backlight issue. If the screen suddenly went dim on you rather than a slow degradation the inverter would be indicated.

Hope this helps.

Aug 19, 2010 | Computers & Internet

1 Answer

I turned on my computer this morning. The display


press and hold ctrl and alt key at the same time then press left and right arrow key until you get the correct display.

May 03, 2010 | Samsung Syncmaster 730B 17" Flat Panel LCD...

1 Answer

No picture only got sound been told it could be


It will more likely to be bad backlight inverter board, or the inverter board is not getting the 24vdc from the power supply module.

Oct 29, 2009 | Televison & Video

1 Answer

Samsung 730b will not come on. amber light flashes


you have a weak inverter in your lcd backlight replace it

Jul 12, 2009 | Computers & Internet

1 Answer

Samsung SyncMaster 730B monitor green color problem


video controller card has gone bad need new video controller card.

Mar 16, 2009 | Samsung Syncmaster 730B 17" Flat Panel LCD...

1 Answer

Monitor; Power light on, screen blank


Do you have a second monitor you can switch out? Have you checked the monitor itself to make sure it's not set for digital vs. analog (or vice-versa)? Are all cables and plugs tight and secure? Has the brightness level been turned down? These are all the troubleshooting steps I go through before anything else. There are just a few things that generally go wrong with a monitor. Since the power light is on, that rules out one of them. In this case, I'd narrow it down to the power inverter or the backlight for the screen has gone bad. The best way to check for the backlight is turn off all the lights in the room (preferably at night) and see if you can detect even the faintest of an image on the screen. If so, you know the backlight is out.
The bad news is no matter how you look at it, it's probably time for a new screen if none of the troubleshooting did anything. The good news is- monitors are cheap and geting cheaper. Shoot- I just saw CompUSA.com had a 25" monitor for $199 this week. Almost got one but I'm afraid my wife would divorce me if I brought in yet another. Guess I'll have to wait till she needs to change the prescription on her glasses first.
Let me know if there is anything else I can help with.

Feb 22, 2009 | Samsung Syncmaster 730B 17" Flat Panel LCD...

1 Answer

Backlight


my freind you need a technician for that

Mar 11, 2008 | Samsung Syncmaster 730B 17" Flat Panel LCD...

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