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My broken 19" LG Monitor

By rudivdwalt ·
I have a 19" 910B LG CRT Monitor, and the screen is very yellow, as if one of the RGB colors isn't coming through. Now I don't want to take it in to have it fixed, cause that will probably cost just as much as a new one, so I'm either gonna fix it myself, or take a video of me dropping it off the balcony and posting it on youtube hehe...

Any suggestions...?

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Danger

by TheChas In reply to My broken 19" LG Monitor

Danger and a serious warning! There are potentially lethal voltages present inside the case of a CRT monitor!
EVEN WHEN THE POWER IS OFF VOLTAGES IN EXCESS OF 25,000 VOLTS MAY BE PRESENT!
Therefore, if you are not trained in electronics repair and familiar with high voltage circuitry, you should not open a CRT monitor.

And, considering how far the glass from the CRT can fly when it breaks and implodes, I would not drop it off a balcony either.

Now that that is out of the way, let's look at things.

Bring up the on-screen display for setting up the display. Does the on screen display itself look normal or does it have the yellow cast?
If the OSD is also yellow, you have lost one electron gun inside the monitor. Either the drive circuit, or in the CRT itself.

If the OSD is normal, the problem is more apt to be with the cable or your video card.

Check the cable for a bent or broken pin. You can find a pin-out for a VGA connector at www.hardwarebook.net

If the cable is fine, try a different monitor to make sure it is not a video card issue.

For CRT monitor repair, you might try a TV repair shop rather than a computer repair shop.

Chas

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