Question about Samsung SyncMaster 930B 19" LCD Flat Panel Monitor

1 Answer

Replaced IP board on Samsung 930B now other problems.

I replaced the board and the monitor works but not all of the adjust buttons work and the picture quality is bad. It almost like some colors work and some are distorted. It’s kind of like half negative and half good picture. When I go to a web page the white background and fonts are fine. It is the pictures that have a problem. Almost like static is running through them. Do I need to replace the other board that the adjust buttons and screen connect to.

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  • Rodney Farrer May 15, 2009

    Mr. Guru,

    First of all I would like to thank you for you taking the time to respond.

    I found the connection between the LCD panel and the main PCB board had on tiny wire that was pulled out 1/4 of the way. It was very difficult to see. But I would never have thought to look there so thank you again.

  • Rodney Farrer May 15, 2009

    I am just finally glad someone answered. It's only been 2 months.

    But better late than never. Thanks Again.



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  • 585 Answers

Try a little backtracking....Check all internal connections. Make sure you didn't leave any insulator out allowing pc contact to case where it should not be. Make sure no wiring is pinched under screw or pc card causing a short to case.

Posted on May 15, 2009

  • Bruce Volkers
    Bruce Volkers May 15, 2009

    You are welcome, we are after all here to help. And thank you for rating the answer and providing feedback for what you found. It may be helpful to another with a similar experience.

  • Bruce Volkers
    Bruce Volkers May 16, 2009

    That takes me by surprise. I didn't even realize how old the post was when I came across and answered. (shows how much I pay attention) Also shows it's never too late sometimes. I'm just glad it worked out for you. Thanks again - for being patient!



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How do I replace the inverter in a samsung syncmaster 930B?


The 930B and the 710T use the same power supply/inverter boards. Below is a link to a repair guide for the 710T unit that should get you going in the right direction.

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How to unlock autoadjusment

just press the menu button and select screen adjustment and then off auto adjust and select manual adjustment.

Sep 06, 2012 | Samsung SyncMaster 930B 19" LCD Flat Panel...

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I have a 930b that started giving problems with the brightness fading in and out. Did this for couple of months and then went out completly. Blue lignt is still on. David Ayres

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Oct 15, 2010 | Samsung SyncMaster 930B 19" LCD Flat Panel...

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Check signal cable

Check if the monitor is not working by connecting this monitor to another computer.

If the monitor woks on another pc, then the pc is the issue and not the monitor.

If monitor doesnt work on the other pc, then it's the monitor that needs replacing.

I hope this helps you :)

Jul 13, 2010 | Samsung SyncMaster 930B 19" LCD Flat Panel...

1 Answer

Light flashing and its a black screen


The picture board on your monitor is bad, since it goes off after few seconds and the power led or button is on, it means the picture board of your monitor has developed fault.

The best thing for you to do now is to take the monitor to a local repairer within your vicinity to help with the replacement of the picture board because the fault is not something you can fix yourself, in order not to complicate issues.

Take care.

Jun 27, 2010 | Samsung SyncMaster 930B 19" LCD Flat Panel...

2 Answers

My Samsung Syncmaster 930B was working fine unti I disconnected and then reconnected it to my computer. Now I get a black screen with a roaming box that says, "check signal cable".

1st Pull all power from pc from the wall.Plug back in and start pc up.
While starting hold down the f8 key and select safe mode.

once in go to control panel and select display.

set resoulution to default 60 hz and screen size to 800 by 600.


You may need to readjust your screen again.

Hope this helps.

Jan 14, 2010 | Samsung SyncMaster 930B 19" LCD Flat Panel...

1 Answer

My syncmaster just stopped working one day after i woke up.its black but if you look close enough,you see your desktop. please

That means that the inverter is gone.

If you can see the picture by pointing a flashlight on display at close distance, then the inverter must be replaced. The inverter is the power board thet supplies high voltage to backlight lamp.


Apr 11, 2009 | Samsung SyncMaster 930B 19" LCD Flat Panel...

1 Answer

Possible power supply burnt out

I've been hacking on a few of these monitors at work... we have a bunch that are dead... I have not seen this particular chip burnt (yet), but have been replacing a lot of the capacitors. To confirm the chip ID numbers you were looking at, I saw 4502C & AA5N0, and yes, they're both the same. If it comes to the caps, they should all have a flat top... if any are domed or black or sooty on the top, that is a good indication it is bad. Hope you had good luck with this. I can/t help with replacing just the chip.

Feb 02, 2009 | Samsung SyncMaster 930B 19" LCD Flat Panel...

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