Question about ASUS LCD Monitor

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Hello, i have one asus lcd monitor, the display is good, but the display will rest only few seconds when i switch it on; I didnt understand what happends. Help me to solve the problem. I think the display sector functions good. only the Backlight sector is fault, how to replace the backlight sector? thanks for ur kindly response. senba

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  • pcordi20 May 03, 2010

    thank you budmrtn, i see open transformer has problem. and i check the display with other power supply, it function good. and what is ur suggession?

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Please look through the pictures, most monitors have the same problem; bad caps, very few has failed lamp assemblies due to poor soldering works.
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, 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

Posted on May 03, 2010

Testimonial: "yes it is helpful, i will send the photos to you by mail. thankyou"

  • Bud Martin
    Bud Martin May 03, 2010

    Can you please send good clear pictures of the board, both side of the boards? Please also provide the model number.

    budmrtn@aol.com

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Why does screen go black after a few seconds


Hope this helps.... Your monitor has an inverter issue. You know it's an inverter problem when:
1. Your monitor starts normally and displays the startup/desktop screen for a while.
2. Then it suddenly goes off, leaving a blank (black) screen or a very dim display.

To fix this black screen problem, change the inverter board (based on your monitor brand).
Source(s): http://lcdmonitorrepair.annics.com

May 05, 2014 | ASUS VK193D LCD Monitor 19-inch - Black

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I have a asus x58l and it has a black screen. cant see anything


http://www.asus.com/Notebooks_Ultrabooks/X58L/#support_Knowledge

Don't know why I did that.

Asus Support. Those two words don't even belong in the same sentence. (Neither does Toshiba Support, or Acer Support)

Notice the large statement?

NEED SERVICE?

(In otherwords GOT MONEY?)

Rant over.

Janet,

The problem will be;
1) Graphics chipset
or,
2) Video Cable,
or,
3) screen Inverter,
or,
4) LCD screen

I'm betting it's the economical, and easy to replace - screen Inverter.

Laptop on, shine a bright flashlight at the LCD screen of the laptop; and shine at various angles.

See faint images?
Backlight is out, or screen Inverter is out.
90 percent of the time the fault is the screen Inverter.

Moving on........

A) Graphics chipset:
Laptop OFF, monitor OFF, connect a VGA monitor to the laptop.
The VGA port is on the Back of the laptop.

This is a General example of a VGA port (Connector), and VGA Cable,

http://en.wikipedia.org/wiki/VGA_Connector

Scroll down a little for VGA Cable example.
You can use a CRT type of monitor, (Looks like a small TV), or a flat LCD screen monitor if it has a VGA cable.

Turn the monitor on. If a CRT type allow it to warm up.
Turn the laptop on.

By factory default settings, the display should show on the external VGA monitor.
IF not;

There are at least 3 display options available;

1) Internal monitor of laptop ONLY
2) Internal monitor of laptop AND external VGA monitor
3) External VGA monitor ONLY

Hold the Fn key down, and at the SAME time; tap once on the F8 key.
The F8 key is the Display Toggle-Over key.

(User Manual indicates not all laptops, may use the same Function keys.
Whatever Asus.
The Display Toggle-Over key has LCD on it, surrounded by a rectangular line. Has a small monitor icon to the right of it )

Display on external VGA monitor? No?
Hold the Fn key down again, and tap once more on the F8 key.

No display on external VGA monitor, indicates a problem with the graphics chipset.

Display ON external monitor, indicates a problem with the;
1) Video Cable,
or
2) screen Inverter,
or
3) LCD screen

Perform the 'flashlight test'. No faint images go on to the external VGA monitor test.

Post back in a Comment.
We'll go from there.

Regards,
joecoolvette

(There are NO service manuals available, to the public.
Thank Asus for that. To procede though can be done.

This will require a partial disassembly of the laptop, to include removing the Keyboard, and Palm Rest Cover.

Together we can accomplish this if needed.

May do something I never do, and that is because of no Service Manual available. May ask you to buy a replacement screen Inverter, and replace it.
Need other information above FIRST.

Average cost is around $25 to $30.
The plastic frame in front of the LCD screen is the Display Bezel.

The screen Inverter is located behind the Display Bezel, and mounted to the bottom of the LCD screen assembly.

(Clip or a Philips head screw)

Average example,

http://www.ebay.com/itm/100-Genuine-NEW-Original-Asus-X58L-laptop-Series-LCD-Inverter-08G21VJ10107-/290873311574?pt=LH_DefaultDomain_0&hash=item43b9668156

Doesn't require removing Keyboard, and Palm Rest Cover.
DOES require removing all power. AC adapter (Charger), and Battery.

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Try using the function key for your display options

You should see a key related to your function key, generally a different color then the rest, labeled (F, Fun, FN, etc...) then look for a CRT/LCD, or LCD, or a symbol of a rounded square, or something resembling a monitor or screen.

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Hope this helps.
Let us know
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