Question about Acer AL1916B 19" LCD Monitor

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Acer A1916 does not power on

I have an Acer A1916, and I get no response from the power button. I got my hands on the manual and troubleshooted the pins: it says to test U701 and U702 pin 2 for 3.3V, I get 3.3 on U702 pin 2, but not on U701 pin 2. U701 is a set of traces, while U702 has actual components on it. There are no transistors that appear bulged, and the other traces check out (CN701 pins 5/6 @ 12V and CN701 pins 9/10 @ 5V) from the power board jumper to the main board. Does it sound like a dead main board?

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Hello,

Try checking for a short between pins 2 and 3 on U406. I had the same problem on 3 monitors. I removed this component from 2 of them and replaced it on the 3rd and all three of them work now. I am unsure of this components purpose.

Andrew

Posted on May 08, 2009

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TAKE IT TO A TV AND REPAIR PLACE AND SEE IF IT IS WORTH FIXING MOST PLACE WILL TELL YOU IT IS NOT WORTH FIXING THE COST FOR LABOR NOT THE PARTS PLUS ANY DIAGRAMS THEY HAVE DOWN LOAD WILL BE CHARGED TO YOU IN ADDITION TO YOUR OVERALL COST ACER HAVE 19 INCH FLAT PANAL SCREENS AROUND 120.00 DOLLARS
BUT IT IS UP TO YOU

UNLESS YOU WERE SMART AND BOUGHT THE EXTENTED WARRENTY ON THE MONITOR.

ROD

Posted on Feb 12, 2009

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1 Answer

Where can I find a schematic for my acer monitor model V193W?


Today is your lucky day - I never thought that the manufacturer would put out something like this for such an old and obsolete device, but here is a link to a pdf file for the service manual for your monitor that comes complete with troubleshooting flow charts and a schematic diagram.
http://archive.espec.ws/files/Acer%20V193W.pdf

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I had the same issue as yours. After contacting the Acer support team, I got the response as follows. I tired and it worked.

"In order to resolve this issue, you may please perform a power reset. This will remove any static electricity stored in the hardware components that may cause the issue.

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Hope it helped.

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You use the button with the <> arrows to move through the menu selections. Use the menu key to select the function you want to change.

Below is an excerpt from the Acer manual. The manual can be found at http://www.retrevo.com/support/Acer-X203H-Monitors-manual/id/23224bh549/t/2/

jkb2649_0.jpg
Front Panel Controls
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2 Answers

V193W 19" acer monitor is connected to computer


Hi, Try turning off your system, activate your monitor and then activate your computer. Check the troubleshooting section of the manual received with the monitor and if that still does not help, let me know.
Regards, Icom1

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1 Answer

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Blinking and nothing on the screen? Try it with another PC first to make sure it is not the video card problem, if it still does not work, then you will have to troubleshoot it. Please read my guide and look at the ACER albums so you can decide if you will want to DIY repair or not.
http://s807.photobucket.com/albums/yy352/budm/ACER%20AL1916W%20Abd/

http://s807.photobucket.com/albums/yy352/budm/Acer%20AL1916W/

If you are going to DIY and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, 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.

Basic LCD monitor troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting

http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

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1 Answer

One of the 2ch speakers is not working. so how i could fix? email: tsigablemma@yahoo.com


First, try feeding it with an audio source such as MP3 player, if it still does not work, then you will have to troubleshoot it down to component level which I do not believe it is worth it since you will be bettter of buying a good set powered speaker PC sytem that will give you better sound anyway.
Here is the service manual for the ACER X193W.
http://elektrotanya.com/?q=showresult&megnev=Acer%20&megnev2=X193W&kategoria=monitor&kat2=schematics
It can be the power amplifirers are not getting the DC feeding it or the power amp IC is bad.

Basic LCD monitor troubleshooting guide:

http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting

Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Please post back what you find.

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