Question about Acer AL1912B 19" LCD Monitor

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I need a power board for my acer monitor AL1912B

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Acer offers access to spare parts for purchase for products still being supported through the Acer Network. Please contact spare part sales department at 1-800-816-2237 for more information

Posted on Dec 19, 2008

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I want fly back transformer 39L2029AZ

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Acer AL1912B, the screen is blank and the green


The problem ca be bad back light inverter circuits, bad power supply because of bad caps, bad lamps. More likely to be bad caps, see example of failed monitors because of bad caps: http://s807.photobucket.com/home/budm/allalbums

Jan 18, 2010 | Acer AL1912B 19" LCD Monitor

1 Answer

My monitor turns itself off when it wants and also turns on when it is not on any ideas


First, check all electrolytic capacitors and replace those which are blown or rounded. Next, if when it shuts down the green LED also turns off, then
on the controller PCB there's tiny transistor-like chip U406. Remove it from the board and try to turn the monitor on. That's reset circuit, you could live without it.

Sep 09, 2009 | Acer AL1912B 19" LCD Monitor

1 Answer

Screen flickers for about 20-30 seconds sporadically


Try looking at the LCD screen at a sharp angle to see if ghost-like video can be seen during the 'off' time of the flicker.  If video is still present even though not that visible, then either the backlight or its power supply are failing. The color problem could also be caused by a backlight lamp that is not ionizing completely.

Dec 14, 2008 | Acer AL1912B 19" LCD Monitor

2 Answers

Blinking green power light and monitor doesn't work


I recently had the same problem occur on my LCD Panel and this is the response I received from ACER.

Thank you for contacting Acer America. I apologize for the inconvenience that you have experienced. If the green power on LED blinks rapidly, it means that the monitor is not getting any signal from the computer. It is possible that the monitor may have faulty internal component, I suggest that you send your monitor to a local repair shop to have it tested properly.

Respectfully,
Acer America
Online Technical Support

Jun 25, 2008 | Acer AL1912B 19" LCD Monitor

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Cant turn on my Acer AL1912B


This reply has only historical significance since both are many months old.
Without making a few measurements no exact diagnosis is possible but based on your descriptions, the power supply has to have failed. Kris' problem happened more gradually so whichever part that was marginal allowed a few starts before failing completely Yabbit's failure was more immediate and this one would have been easier to find in a repair.
Switched mode power supplies can be as reliable (and are more efficient) as linear supplies that are much simpler.  But poor component quality can damn a supply to early failure much more certainly than in the linear supply. It could be years before the industry realizes that it can't cheat on quality and still maintain a positive reputation.

Apr 09, 2008 | Acer AL1912B 19" LCD Monitor

1 Answer

Menu problem


dear sir,
first you can call to monitor specialest and this problem is related micro switch.So remove these parts and finally this probelm wil solve.

with thanks & regards
Sudhir Kumar Raghuvanshi
Contact no-094104543378

Jan 15, 2008 | Acer AL1912B 19" LCD Monitor

2 Answers

ACER MONITOR AL1912


is your monitor and the cpu are of the same make,if not some times you get this problem because your monitor is not compatible with your cpu.you can solve this easily with help of your hardware vendor

Nov 04, 2007 | Acer AL1912B 19" LCD Monitor

1 Answer

Menu comes up and hard to exit


Is it a new monitor or an old one. If it is a new one, you can call the service to fix it becasue that is a quality problem. If it is old, try to open it and check whether the menu button on the control panel is stick on the control board inside.

Jul 23, 2007 | Acer AL1912B 19" LCD Monitor

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