Question about Acer AL1714 17" LCD Monitor

3 Answers

Hi, My monitor (AL1714) is fine for about 5 minutes and then it goes black. The green light remains on. If I unplug the power cord, and replug it in, it sometimes returns to normal, depending on how long I leave it unplugged (at least a minute or two). The power supply is 18.9VDC off load and appears to be OK. Is this an obvious problem that I could attempt? I have some tools but no spare parts.

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  • Robofix Sep 30, 2010

    I will let you know what I find when I open the monitor - not today. I am assuming I can access the board fairly easily. Are there any tricks to getting in?

    Rob

  • Robofix Oct 01, 2010

    The reply I received was vague in that it covered many parts of the monitor. How could it bee the display itself if it gives a normal picture for at least several minutes?

  • Robofix Oct 03, 2010

    I loosened the 4 screws to start looking inside the monitor while I was waiting for it to turn black and lo and behold, it did not turn black. I left it on for several hours and it stayed working!!!

  • Robofix Oct 03, 2010

    I loosened the 4 screws to start looking inside the monitor while I was waiting for it to turn black and lo and behold, it did not turn black. I left it on for several hours and it stayed working!!!

  • Robofix Oct 03, 2010

    I loosened the 4 screws to start looking inside the monitor while I was waiting for it to turn black and lo and behold, it did not turn black. I left it on for several hours and it stayed working!!!
    (not sure if you already got this comment). I guess I will keep my fingers crossed.

  • Robofix Oct 03, 2010

    Thanks for the detailed information. However, I loosened the 4 screws to start looking inside the monitor (while I was waiting for it to turn black) and lo and behold, it did not turn black. I left it on for several hours and it stayed working!!! It may be a cold solder joint or something is expanding and touching something else. I will check the Inverter board as you suggested. I know what to look for and I might try a "cold spray" to see if a component heating up is the cause. I will let you know what I find eventually.
    Rob

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  • Expert
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Hi! Looks like the monitor is in stressed and can't stand long time use. Replacing these parts plus labor is like buying a new one for it will take time and the availability of the parts. I strongly suggest that you buy a new one which can cost you less. HOpe this helps and thank you for using FIxYa!

Posted on Sep 30, 2010

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  • Acer Master
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It must be the Inverter Board defect. If you know how to check the capacitors and the coil, you can try replacing them or refresh (solder) them. Open the monitor case and power on the monitor, now listen whether you hear tick tick sound or not, if you hear tick sound, then it's the "transformer" (small transformer), I would recommend replacing the whole inverter unit. If you can find the similar transformer, you can give a try, but it's better to replace the whole board than replacing the transformer as it'll cost only a little less than the whole board.

Check all the capacitors and replace them with the correct unit (micro farad). You can simply identify the defective capacitors when you look, it might have bulged out or it might have exploded.
Hi, My monitor (AL1714) is fine for about 5 - 0ddd2f2.jpg

The board should look similar to the above (this is for AL1916WA).

If you need further help, let me know.

Good luck.

Thanks for using FixYa.

Posted on Oct 02, 2010

  • Lebanon Raingam
    Lebanon Raingam Oct 03, 2010

    Good luck..

  • Lebanon Raingam
    Lebanon Raingam Oct 03, 2010

    Oh.. sorry, you've posted several comments. I just got the last one. Anyway, it's good to hear that it's working somehow. Once again I wish you best of luck.

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  • Master
  • 2,777 Answers

It is the main logic board of the monitor itself, or worse yet the actual display. It is tough to say for sure, but the repair is going to be very costly, you can get a new 17 inch monitor for less than $100.... you are going to want to replace this monitor in my opinion, it is not worth the repair. You can take it apart and look for obvious damage such as blown capacitors... But my bet is you won't find anything.

Let me know
Tim

Posted on Sep 30, 2010

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