Question about Acer AL1716 17" LCD Monitor

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AL 1716 LCD monitor has no power when plugged in.

Hello everyone i have a Acer 17 inch monitor that when plugged shows no power what so ever. The typical green light for power does not even show nor do the switches to turn it on work. I have completely taking apart the monitor to see if i could at least find a bad resistor or capacitor. I would appreciate any advice as to where should i start making judgment if the main 450v capacitor is receiving power tested by a mulitmeter?

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  • fannta1 Feb 16, 2008

    I have the same problem,does anybody figure out what's the solution?

  • dodge1063 Feb 22, 2008

    Hey guys i appreciate the input on what needs to be looked at. I have looked for the regulator ic and some of the capacitors, I have posted some pictures of the circuit board. I would appreciate and info as to pin point which regulator ic,
    Fuses which are F101, 2 black fuses near CN101 i should look at...

    http://home.comcast.net/~dodge1063/1.jpg
    http://home.comcast.net/~dodge1063/3.jpg
    http://home.comcast.net/~dodge1063/4.jpg
    http://home.comcast.net/~dodge1063/5.jpg
    http://home.comcast.net/~dodge1063/6.jpg

  • juno69 Dec 22, 2008

    Hi dodge1063's, I have the same problem with my screen , could you send me photos of the IC regulator

  • drilonkojcin Dec 25, 2008

    where do you get the 25 volt caps

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As someone suggested the 3 10 volt 1000uF caps are bad. You can indentify them because they're puffed up on the top and therefore blown. Replace them withj a 25 volt cap 470uF or larger and away you go. I did 4 of them in 3 hours. The case snaps apart which is the hardest part. them remove all the screws you can find, unplug the display from the board, remove the rest of the screws holding the power supply board down, and look for the puffy caps. Cahnge them and put everything back together and away you go.
Richard

Posted on Jul 21, 2008

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Hey I made a home voltage tester.Take light bulb 120V and connect with two wires.i put ends to the place as shown on picture and the LED light started working!but nothing else :(
picture 1
picture 2
picture 3
picture 4

Posted on Feb 22, 2008

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Try replace the regulator ic

Posted on Jan 27, 2008

  • Marc Cuyag Feb 22, 2008

    thi is the image u senthttp://home.comcast.net/~dodge1063/4.jpg
    the regulator ic is 3pin transistor typ package that top a heatsink.
    that is a regulator ic.
    befor u raplace it can u get a voltage test in a big capacitor how much volts he drain..




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It's a switching power supply ! Make sure all 3 fuses are OK then if you see caps are swollen, that means caps are weak, leak or defectiv. Try to change all caps then regulator IC.
Fuses are F101, 2 black fuses near CN101.
I suggest to replace C123 because it's a feedback caps.

Posted on Feb 21, 2008

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Lg LG M1717S lcd moniter no power , what is broblems and solution please,
thanks

Posted on Feb 15, 2008

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