Question about Samsung SyncMaster 740N 17" LCD Monitor

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Lcd monitor is not working, can it be repaired?

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Depending upon the size and type of monitor, you may be better off buying a new monitor. If the monitor is better than 20" plasma or HD, you would most definitely want to have it repaired.

Posted on Sep 04, 2009

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I have monitor Philips 150S. It is increasing brightness up to 100% when switch on the monitor and unable to remove that brighness picture. Monitor hot keys also not work. I pluged this to a lap top but...


mohanjith, First thing to investigate is the lcd monitor internal power supply for failed electrolytic filter capacitors on the power supply circuit board. If swollen and leaky, then you might try to replace the bad ones with new ones. Visit YOUTUBE for video clips to see if you can do the investigation/repair. Search YOUTUBE using "lcd monitor disassembly" and "lcd monitor repair"!!! Lots ov video clips to learn how to do DIY repair. 12fixlouie

Nov 10, 2010 | Philips 150S (White) 15" LCD Monitor

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Monitor will come on, monitor status box will come on and then screen goes blank. How can I fix this?


rwhite97, If your pc is working fine with substitute monitor, and w1907 lcd unit does same (black screen, or blanknblack screen) when connected to a "known good" pc, then you should visit and read some stuff at this 2005 blog. http://www.lesliewong.us/blog/2005/05/02/hp-pavilion-f1703-flat-panel-display-blackout-solution/ Then learn the flashlight test and what it means. Then go to YOUTUBE for video clips on lcd monitor disassembly and lcd monitor repair if you are into do-it-yourself repair. Remember this!!! Your w1907 unit uses the same basic design and operation principles that ALL brands of ccfl back-lit lcd monitors use. Good luck with the repair. Come back here and leave comment after doing your research/investigation and then rate this response. 12fixlouie

Jul 16, 2010 | HP w1907 LCD Monitor

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MY LG MONITOR ONLY FEW SECOND WORK AND SUDDENLY TURN OFF BY ITSELF..HOW TO REPAIR IT?


ronaldtaclib, You must do some reading in my and other lcd monitor technician's FIXYA profiles before you undertake this repair mission. Visit all usefull links you find there and view some of the longer video clips at YOUTUBE under "LCD monitor disassembly" and "LCD monitor repair". Know what you are visually looking for!!! Have someone document with video or digital stills your lcd "tear-down" process so you can reassemble with no leftover "stray" parts when finished. Keep us posted as to your progress. Two other excellent lcd tech's here on fixya are "budmrtn" and "buddymc" !! Read their profiles also. 12fixlouie

Feb 24, 2010 | LG Computers & Internet

1 Answer

My Westinghouse lcd monitor L2210NW does not turn on everytime. Right now for three days - despite rebooting, etc - I cannot get the screen to display and there are no lights. Power is going to it. Ideas?


anngallant, Yes, I, and all the other "LCD CCFL back-lit monitor" repair guru's on fixya already know what your L2210NW suffers from. You will do a DIY repair to the monitor's SMPS/inverter circuit board, or contract out the work to a qualified electronics technician, or do a cash+trade for a refurbished unit, or trade-in for new monitor. Do NOT attempt the first two "IDEAS" without an extensive speed reading session of the FIXYA profiles of "budmrtn", "buddymc", and other tech's that deal with the very common single cause of black or black and blank screen lcd failure and what it takes to repair/refurbish them! You can also (FYI) do the YOUTUBE thing and view some of the longer and more informative video clips on "LCD monitor disassembly" , "LCD monitor repair". Some are pretty good! Good luck with your unit, whatever route you take. I'm 12fixlouie on fixya.

Feb 17, 2010 | Westinghouse Electric L2210NW Monitor

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Ok i have an hd pc monitor and when i turn on i get a whit screen


dani. If you can verify your PC is working ok and capable of driving a known good monitor, you will at least narrowed down problem to your white screen lcd! Always state the make and model in the text body of your post to fixya. I usually only do BLACK screen fails, but here goes anyway. The vga input to LCD digital output interface board is telling the lcd panel to turn all pixels "ON" !! If monitor worked ok the day before--then it should work fine today? NO! something has changed! When strange things start to occur on lcd panel I would first suspect the "switch-mode-power-supply" as the trouble maker. If you haven't a clue as to how a SMPS does what it does, then you will need to find technician or TV repair shop that also knows forward and backwards all about lcd monitors. I do suggest that you visit youtube for videos on lcd monitor disassembly and LCD monitor repair so you can see what is inside a typical unit. FYI visit www.ccl-la.com/badcaps.htm and www.badcaps.net Well, anyway, your CCFL backlights STILL work!!
Although most of my responses are to Black/Blank screen you may find other options that will suit you a little better. 12fixlouie

Dec 15, 2009 | E-Machines eMachines Monitor E15T4

1 Answer

My hp pavilion f70 flat panel lcd monitor comes on and works fine with a beautiful picture...for about 1/3 of a second. then it goes blank. any ideas how i can fix this or what might be wrong?


Hi:
The symptoms you describe, pretty much diagnose a failed High Voltage power supply board problem in the monitor. This is usually cost prohibitive to repair, as LCD monitor prices have dropped a bit, so your monitor is beyond economical repair.

Nov 30, 2009 | HP Pavilion F70 17" Flat Panel LCD Monitor

1 Answer

Have an HP LCD Monitor with a broken on/off switch.


j1hoo2, You will just have to go to YOUTUBE and search for things like::: lcd monitor disassembly or lcd monitor repair, or bad caps in lcd monitors, or repair of monitor SMPS/INVERTER power supplys. Yes!!! I have seen a couple of vids that show how to unsnap the rear plastic cover from the front bezel. That is the hardest part to do after removal of the monitor PEDESTAL. I'm louie12fix on fixya, or lmistyrel@ aol.com
ps I've also heard that really dull table knives may work and also an old credit/swipe-card might work also.. I mean did an elephant step on the monitor on/off button???? Come-on, their not supposed to FAIL !!!

Apr 24, 2009 | HP L1520 15" LCD Monitor

1 Answer

LCD Monitor needs repair


I used to repair LCD monitor from Dell. It works for me. You might be using these following steps to examine what is the problem of your LCD monitor. After you turned PC on and monitor stopped working or went black, you have to check that if you can see the image on the screen or not by shining a flashlight into the screen, not directly but find the best angle to the screen and take a look very closely. If you can see the icons or any image (Start menu), there will be a minor problem. This is because of CCFL lamps inside screen. Some of them were broken and it is very easy to replace. You don't need to do anything with the inverter board in this case. If you cannot see anything on the screen, there'll be some problems with inverter board. Hope this help!! If anything I can help you with, feel free to let me know.
Thank you,

Mar 18, 2008 | Acer AL1717 17" LCD Monitor

1 Answer

Monitor goes black


Sorry to have to tell you this, but this is common in LCD monitors. The reason that it is going black when it boots is for one of two reasons. You either have a bad power supply that powers your LCD or your LCD's backlight is blown. These can be repaired or you can purchase a new one. But if it goes black 9 times out of 10 is because the backlight is bad. These can be repaired!

Nov 26, 2007 | Acer AL1711 17" Flat Panel LCD Monitor

1 Answer

Samsung SyncMaster 710N 17 in. Flat


hi

I am a technician-informatic. I have repaired about 40 Lcd Samsung monitors with thees problems - not optimal resolution mode and dark screen problem. So i decided to made manual how to repair lcd samsung monitors.The repair process is very simple 10-30min. does not need a lot of experience in electronics and expensive instruments.

if you are interested check it on eBay.

Samsung monitor repair manual guide 710n,913v,510n more
or just enter number in search field: 220409788372

thank you

Oct 29, 2007 | Samsung SyncMaster 710N 17 in. Flat Panel...

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