Question about Tatung CLT-L50 15" Flat Panel LCD Monitor

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How to open up the casing on this monitor.

I am a service engineer - I believe the Tatung L50 monitor I have has an internal power problem (no display at all, and no backlight). There appears to be no easy way to open it up - Aside from four screwtwist holes at the bottom to (apparently) remove the front casing. From looking at it, there appears no way at all to remove the stand from the back of the unit. Could someone with knowledge of this monitor tell me how I can open it up, please? Thanks Chris

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Re: How to open up the casing on this monitor.

It is not initially obvious how to access this insides of the monitor Unusually, access is only available through the front of the screen. The stand cannot be removed on this model. You need to pry a screw driver (or two) through the four holes located at the rear base of the monitor and remove the front panel surround. The LCD panel and all electronics can be lifted out after removing four screws.

Posted on Nov 29, 2006

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Flatron W1943 sb monitor goes into power-saving mode. Does not display data.

If the monitor is displaying the "Power Saving Mode" signal to the monitor, then the monitors internal VGA board is functioning, so you can rule out a broken monitor. However I have seen monitors blow the internal fuse to the VGA board which causes a false "SLEEP" signal. If this be the case then it will require replacement of the fuse (usually a microfuse soldered onto monitor internal board) or most likely a monitor replacement.

To test:

Option A: you can connect another monitor to the monitor output on the back of the computer and see if you get a display. If this monitor goes to sleep, then it is likely that your Video card is malfunctioning. If you get a display, then it is definately the monitor.

Option B: If you have another computer, you can attempt to connect the monitor to another computer. Also most modern laptops will be equipped with monitor output, so if you have one you can check it. If the monitor sleeps, then it is definately the monitor. If you get a display, then it is definately the computer video card.

Hope that helps,


Sep 17, 2012 | Computer Monitors

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My Tatung LD23HL Flat screen will not turn on. Is there a reset? When plugged in the power light blinks Orange.

check the monitor to computer cord, sounds like it might be loose or disconnected. swap another monitor in and go to display properties to see if the tatung is a 2nd monitor. using the replacement monitor redownload the drivers and reinstall. turn off and hook the tatung back and it should recognize it

Oct 09, 2010 | Tatung LD23HL Monitor

1 Answer

I have a Tatung lcd flat screen monitor tv. The television comes on there is sound but the screen is black. The tv is 5 years old. What would cause this?

Failed backlight inverter circuits or the power supply for the backlight circuits has failed, you need to open it up and inspect the power suply first, look for bad caps with leaking/bulging tops. Post back what you find so we can guide you further.

May 20, 2010 | Tatung L17AMTN 17" Flat Panel LCD Monitor

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Tatung l17amtn lcd monitor

check the desktop and display settings from the control panel,, then from there go to screensaver and power,, make all to never and make your screensaver also to none.. and see

Sep 29, 2009 | Tatung L17AMTN 17" Flat Panel LCD Monitor

1 Answer

Tatung monitor Power light shows yellow light.

It sounds like your resolution or refresh rate is out of reach for your screen.

Restart your computer (even if it will be manually unplugging the power cable)

If you have no display while your computer starts up; you might have a hardware failure. Swapping your screen out, or plugging it into another computer (that works) will confirm if this is the issue.

If you can see the computer starting up you can press F8 (on your keyboard) continuously just before Windows can start.

Select "Safe mode" so that you will have the basics of screen settings.

Now you can go to control panel, display and click on the Settings Tab at the top. Change your settings to a rather default "1024x768" resolution and change your referesh rate to nothing more than 75hz under the advanced icon.

Hope this helps!?

Jul 07, 2009 | Tatung L17AMTN 17" Flat Panel LCD Monitor

1 Answer

Monitor L17AMTN flashes WinXP desktop, then blanks.

dmellman, Before you open it up, try this! With fully booted pc and WIN DESKTOP screen up, reconnect the L17AMTN . Have a bright flashlight handy so that when the lcd screen flashes on for 1 second and then goes dark, you will want to check to see if the desktop remains on the screen even though you think it went away. Shine the light 1-2 inches from screen at different angles. Has the desk top completely disappeared or is it still being displayed? Do you know about Cold-Cathode-Fluorescent tubes and their Inverter type power supply? I assume that this unit also has a "lay on floor black box switch-mode-power-supply" that is supposed to supply raw 12v-14v dc to the monitor? This symptom is typical of lcd monitor power supply failure, and or inverter board failure. Not to mention the fact that the CCFT's could be a bit tired from use. YOUTUBE has some videos on taking apart lcd monitors. also do search on web for "bad caps on lcd boards" or "bad caps in lcd monitors". I should think that this Tatung might suffer from swollen cap-itis. get back to me with results of your investigation. Im louie12fix on fixya or just nrth of Windy City

Apr 17, 2009 | Tatung L17AMTN 17" Flat Panel LCD Monitor

1 Answer

Cannot get CPU to recognize Tatung LCD Monitor

When you reinstalled the drivers, did you reinstall the video card drivers? The drivers for your video card should be sufficient to power your display.

Mar 24, 2009 | Computer Monitors

1 Answer


I had the same problem you hear the click but it stays orange which is standby mode never went to red which is on, I also smelled a bit of a burning electrical smell, so I took off the back case and watched the main board sparking and smoking right in front of me, my power supply was fine, be careful before you order a new one. The trouble with mine is that's it's about 99.9% impossible to find a part for it.

Aug 20, 2008 | Tatung LD23HL Monitor

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I have a Tatung L50 LCD monitor and need a power cord.

go to and look for 4-Pin HP Viewsonic LCD AC Adapter 12V 5A 60W or Y_LCD12V5A_4Pin its 12.99 plus s/h 12.99 25 and some change hope this helps.

Aug 16, 2006 | Tatung CLT-L50 15" Flat Panel LCD Monitor

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