Question about Samsung SyncMaster 173T (Black) 17" LCD Monitor
It shuts down all of a sudden and stays off, it doesn't respond to a move of the mouse or a key pressed to bring it back to say it shutdown for idle reasons. I have plugged into several different towers and the same result will eventually come: a black screen with no back light on, the only thing that is on is the little square green light on the lower right of the casing of the monitor. I can flip the toggle switch in the back of the monitor and it will respond by showing a dimmed picture with the analog box in the center, but usually when the analog box goes away so does the picture. I just now experiences a different shut down when the analog goes a way the screen stays by getting brighter but in 3-4 sec it will shutdown like before. Also the monitor and or computer doesn't have to be on long for this to occur; as in i just woke up this morning and turned the comp on and 30sec later the screen shutdown, while all yesterday i ran the screen fine with no problems. what is causing this? and where can i find a free schematic to try and fix?
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Posted on Jan 02, 2017
Did it work properly using a VGA (analog) cable? If so, check your DVI (digital) cable against the pictures at the bottom of http://www.datapro.net/techinfo/dvi_info.html.
You probably have one of the two at the left. Each has a different bandwidth, translating to a maximum resolution. The native resolution for your monitor might be marginal if you have a single-link DVI-D cable.
My 204B seems very picky about signal-level. It blinks when connected by DVI, even though it should be fine with a single-link cable, and complains about the settings even though the settings are optimal. Maybe yours is similar. I have ordered a dual-link cable and will try that myself.
Posted on Mar 10, 2008
Simplest solution may be the screen resolution settings are set higher than the monitor's capabilities. Try lowering the screen resolution and refresh rate in the display properties or try booting to safe mode (press F8 when the Windows splash screen first appears) and see if the LCD will display the windows desktop. It that works, check your video drivers and the screen resolution and refresh rate settings.
If the monitor has the problem in safe mode and/or if lowering the screen resolution and refresh rate don't help then I suspect the a problem similar to one some Dell 17inch LCDs have. On the Dells It is usually caused by a defective voltage regulator transistor in the backlight inverter circuit. Troubleshooting that problem should only be attempted if you have experience at repairing electronic circuitry since it will involve testing individual components and soldering.
Posted on Jun 15, 2008
Had the same problem here !
C110 and C111 on the power supply unit are busted.
I replaced then with 2 ELCO's from 1000 picofahrad 25 V.
Voila!! runs like new.
Posted on Jan 30, 2009
The power supply in the monitor is blown. We have a step by step repair guide posted on our web site at: www.ccl-la.com/badcaps.htm The guide shows you how to open the monitor and replace the defective capacitors and get back going.
Check it out. I hope this helps, If so please rate my solution.
Posted on Aug 21, 2009
hello i have the same problem, there are 4 lamps (bulbs) inside the monitor when some of them falls the system turn off, cheks and good look
Posted on Oct 27, 2009
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