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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Posted on Jan 02, 2017

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