Question about Daewoo L17D (Metallic) 17 in. Flat Panel LCD Monitor

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I have a daewoo L950SCBK monitor with a blown power supply board where can I find a replacement part ?

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6ya6ya
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Posted on Jan 02, 2017

Benimur
  • 6966 Answers

SOURCE: No power in my Daewoo Monitor

Hi, Youo have zeroed in on the problem area. It looks like a power supply problem. More often than not, there is a fuse inside. If you would venture to open the unit up, do a visual check on the fuse. If it is busted: 1. Clean - no burnt/scorching/black marks inside the glass tube, then you can simply replace and hopefully the unit will be operational; 2. Dark smudges - or small burnt metal pellets inside the glass tube, then it is possible that you have other defective components that caused the fuse to blow. Normal components that are known to go bad are the big capacitor and or the power transistor regulator. Most current designs uses a switch mode power supply where your mains AC voltage is converted to DC that powers a circuit that eventually produces a lower DC voltage say 12VDC for use of the monitor. Should you venture a DIY (do-it-yourself), pls remember safety precautions when working with powered electronics. Hope this be of some help/idea. Post back how things are or should you need further information. Good luck and kind regards.

Posted on Sep 26, 2007

Matampong
  • 153 Answers

SOURCE: monitor fuse keeps blowing

There is definately a shorted component that causes the fuse to blow. Nomaly the ceremic capacitors are the cause of the problem. Check to see if there is visiual dark or burnt ceremic caps with label sameting like this "SCK 083" near the fuse area and change it. Hope it helps,cheers.

Posted on Jan 22, 2009

  • 1 Answer

SOURCE: ACER AL 1912 19'" LCD MONITOR

Hi,

I have the service guide for this monitor and the values for the R811 to R814 are the same: 1.8 . The mosfet is a 2SK2645. I will like to send the pdf file, but I new in this site and I don´t know how to attach a file due the only options that I see is a link, image or you tube clip.

Good luck

Posted on Mar 19, 2009

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1 Answer

Won't turn on


if no any light indicator at the front panel of the monitor, the cause would be power supply failure. to do the check up, you must need to remove the back cover. the power supply board it was connected the power cord. look for a blown fuse and a bulging electrolytic capacitors at the power supply board.replaced those bulged capacitors, you can find at www.digikey.com for parts replacement.

Nov 17, 2012 | ViewSonic VX2255 Monitor

1 Answer

Monitor on/off button flickers


Hi!
The reason why the button of your monitor flickers is because the 12 volts output supply for your inverter board is not stable..
If you have the skills and the right tools for this, Here's what you need to do
1. If your monitor comes with a power supply adapter, open it..check and replace blown capacitor with same value..
2. If your monitor is using a cable power cord..open the back cover of your lcd..on the power supply section.. check and replace blown capacitor.
3. Check and resolder the terminals for fixing possible loose connections.
4. On the inverter board section...check and resolder the terminals for fixing possible loose connections, the high voltage inverter usually loose connections when overheat.
5. Other things to check if step 1 to 4 did not resolve your problem. Check and replace burnt high voltage transformer.. Check and replace busted backlight inverter..

Hope this fix your problems..

thanks.. much appreciated if you rate this help.


May 29, 2010 | Samsung SyncMaster 204B 20.1" LCD Monitor

1 Answer

Vertical n horizontal ic


Are you asking about this LCD Daewoo (F227B) monitor? LCD monitors do not use Vertical/Horizontal IC like the CRT type for the H/V Yoke.
What is the problem with the monitor?
Common problem with LCD monitor:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

May 19, 2010 | Daewoo F227B Monitor

2 Answers

I have a daewoo pdh42L40 monitor and it does not turn on. The main power switch in the back works, but the little green light on the front does not light up so I can use my remote to turn on.


1. the infrared receiver may be defective and may need replacement.
This will require service from a qualified tech to replace.
2. or you may have a dead remote. check the batteries also in the remote.

Jan 23, 2010 | Daewoo DSL-17DW3 17.1 in. HD-Ready LCD...

1 Answer

Monitor won't power on


Hello,

You have a monitor with a blown power supply. If you can solder you should be able to repair the monitor yourself. The problem is caused by blown capacitors on the power board. Go to our web site at : www.ccl-la.com/badcaps.htm We have pictures of what to look for. Open your monitor and look at the power supply board for any blown capacitors, replace all that you find. The replacement parts can be ordered from several places on the internet or we can supply them for you. The replacement parts will need to be high temp and will be marked 105c. The values you need to get will be marked on the sides of the ones you take out but will be something like 220uf, 470uf, or 1000uf etc. and then a voltage rating. When you install the new ones be sure to insert them with the polarity stripe going the same direction as the old ones come out. If you don't want to do the repair yourself we do offer a repair service for $35 plus return shipping. If you have any questions just let us know

I hope this helps if so please rate our solution.

Buddy
Corporate Computer
www.ccl-la.com
tech@ccl-la.com

Oct 20, 2009 | ViewSonic VE170b 17" LCD Monitor

1 Answer

Power light flashes but screen is black


Hello,

You have a very common problem on LCD monitors 2-3 years old. The heat buildup in the monitor case has caused the capacitors in the power supply to blow out. If you can solder you should be able to do the repair yourself. Go to our web site at: www.ccl-la.com/badcaps.htm and look at the pictures of what blown capacitors look like. Now open the back of your monitor and replace all of the ones that look like the ones in the pictures. You should be back up and going in no time. You will need to use high temp replacements not ones from Radio Shack or they will just blown in a month or two. Laso be sure to install the new caps with the poloarity stripe on the side going the same direction as the old ones come off the board. The replacements can be ordered from several places on the internet including from us. If you don't want to do the repair yourself we offer a repair service for $35 plus return shipping. If you have any questions just contact me at our web site like.

I hope this helps, if so please rate our solution.

Buddy
Corporate Computer
www.ccl-la.com

Sep 15, 2009 | Daewoo F227B Monitor

2 Answers

My monitor 940n samsung syncmaster gone in black...


I have just had this same problem. The problem mostlikely is a blown fuse on the inverter board. Mine was blown on the board and also a Capacitor (470nF/25V) was bad beside the Fuse.

I replaced both and monitor is working now again. After install the picture was a little grainy with little artifacts. In another post i found that the Power Supply board needs to be cleaned for unwanted residue. After that picture was fine again.

BEWARE that you need a soldering iron and a steady hand to replace these parts. If you are unfamiliar with soldering at all have an expert take a look at this. The Power boards uses 220v so DO NOT connect it to the Power when opened.

Starworx

9e48e23.jpg

Aug 10, 2009 | Samsung SyncMaster 940N Flat panel Monitor

1 Answer

Monitor just went off. no power light. changed fuse but monitor is completely dead


possibly a power surge killed the main board in the LCD. if the fuse was blown i would suspect a power surge. you could replace the circuit board. either that died or the power supply died- depending on if it has internal or external power supply that might be blown as well.

i would take it to a professional LCD/ LAPTOP repair person. they should be-able to test it and let you know what needs to be replaced

Aug 06, 2009 | Dell E152FP 15" Flat Panel LCD Monitor

1 Answer

I'm trying to service a Daewoo Monitor f227b


The slot with the K on it is a Kensington lock, it is an anti theft lock and does not affect the disassembly. Most monitors can be carefully prised apart as they are only clipped together.

Sep 27, 2007 | Daewoo F227B Monitor

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