Question about Acer AL1711 17" Flat Panel LCD Monitor

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My Acer AL1711 goes black but the light indicator on..i've read some of comment similiar to my problem and tried to repair it..but still..it didn't work..i even replaced the 1000uf capacitor..but it still the same..some said it had backlight problem causing it to goes black..should i change the capacitor?

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When you repalce the caps, they should be repalced in a set since bad caps can look normal but can have high ESR.
http://s807.photobucket.com/albums/yy352/budm/ACER/Acer%20AL1711bm/

And yes, you can have bad lamp assembly:
http://s807.photobucket.com/albums/yy352/budm/Bad%20backlight%20lamp/

You need spare lamp the test the inverter board.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

Posted on May 21, 2011

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Posted on Jan 02, 2017

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A white screen indicates the power supply board is not putting out the correct voltages to properly power the monitor, just the back light. This type of issue is caused by a failure of the filter capacitors on the power board. You can rebuild your power supply board and bring the monitor back to life by just replacing the the bad capacitors. The problem is that model the Acer AL1711 could come with 1 of 4 different power supply boards install depending and the date manufacturer and supply on hand. If you want to repair the monitor if you could open the unit and get either the model number of the power supply board or send a picture of the board to me I will be glad to help you repair the unit and get it back up and running. You can contact me to send the information at tech@ccl-la.com

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I have the same problem on my Acer AL1711. The monitor was out of warranty so I opened it up and found one of the 1000 mf capacitor almost ready to pop. A 50 cents replacement from allelectronics.com fixed the problem.

Not recommended for anyone without experience soldering electronic components to PCB's.

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