Question about Samsung SyncMaster 193P 19" LCD Monitor
When i swich on my computer the images appear only in the middle of the screen.The image will be in full width but height is only 3 centi metres..
My monitor is LG Studio works 17" 700SE...
I bought it on 2004 april....do i need to change my monitor or..
SOURCE: Black Out
Hi Detrix, Check with www.lcdrepair.net if you want a repair. Something is wrong with your LCD controller and or GUI interface circuit or the circuit supplying power to it. If your technically endowed, you may want to open the monitor case and clean the dust and lint from around the circuits using a Small paint brush to sweep away any built up dust. These circuits take the Signal from the computer and controls the 2.5 million pixels on the LCD screen. Dsut can cause major problems with handling all that data. Give it a shot, what do you have to loose, its not dangerous if the monitor is unplugged.
Posted on Oct 10, 2007
husslin, Yes, you too can join the crowd of people whoose LCD/FPD power supply and or Cold-Cathode-Fluorescent-Tube power supply(called an INVERTER circuit) which supplys hi voltage to light up the backlight tubes so you can see all the pretty colors on the front of your screen has failed.
If Samsung won't do a swapout, you send them your's plus some cash and they send you a same model refurbished unit in exchange, then most likely you will need to effect a repair on your own. The fact that you are able to see the image ( Windows Desktop or IE) is a good sign. It means that the MAIN POWER SUPPLY board is at least supplying voltage to the logic/video processor board inside the monitor. LCD/FPD displays have 2 or 3 printed circuit boards, not counting the tiny board that has the on/off and adjustment switches on it. The large board that is connected to the AC line will be the Switch-Mode-Power-Supply which may or may not include an on-board Inverter circuit. These SMPS/INVERTERs have 2 causes for failing. Either one or a combination of the two. Failed ELECTROLYTIC FILTER CAPACITORS from thermal stress, and or other heavy components whoose leads are soldered on the bottom of the board have developed circular stress cracks in their solder joints. Well, I've probably told you enough to get both of us in trouble, but if you surf over to youtube, do search for vids on lcd monitor repair and or bad capacitors or swollen caps in lcd monitors. Got to run now, but you can get back to me at louie12fix on fixya or lmistyrel@ aol.com
PS look for vids on lcd dissaembly or such. I have seen some about 10min long.
Posted on Apr 02, 2009
or it could be the cable? if you have a different vga cable you can try that, if that's not the problem then it sounds like your lcd is possibly dying. you should also look at the pins on the vga connections and make sure none of them are bent
Posted on Oct 31, 2009
jcacolice, Most likely your 931c will need work done on it. When strange things start to occur with any LCD CCFL backlit display I would suspect the "switch-mode-power-supply" first thing!!! If unit is out of warranty you or someone will need to inspect and troubleshoot it. A good place to start will be to see some DIY videos on YOUTUBE. Try search of "lcd monitor disassembly" and "lcd monitor repair" and learn all you can about the TOP CAUSES of monitor failure. Then visit (FYI) www.ccl-la.com/badcaps.htm and www.badcaps.net for more info. Explore ALL your options before you do anything. Then get back to us here at fixya if you still need some asssistance. Read some of my other responses in my fixya profile and other those of other tech's on fixya.
Hope to see you back on fixya with a plan of action!! 12fixlouie
Posted on Dec 24, 2009
SOURCE: screen is black
if it's new then get it replaced...
else u need to get it fixed from a tech shop....one of the bwlow is @ fault....
1 the LCD screen is gone,
2 the backlite (a small tubelite) is gone
3 the invertor board(a small PCB) behind is gone
Posted on May 08, 2010
As you said the monitor is OK. the RAM in your system is not working so you are not able to see anything when you turn on the monitor. Replace or reconnect the RAM and check it once again.
Posted on Jan 02, 2012
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