Question about Acer AL1912 19" LCD Monitor
One day when I turned the power on to my monitor it flickered and then went black. The little indicator light on the front of the panel went black. I made sure there was power at the plug and at the 3-prong input. Then I took the back off and the metal shield over the two circuit boards. I inspected the power board for obvious burned components. Found none on the top surface. I then plugged in the power and what I heard was a constant clicking sound like a relay trying to latch but failing. With a plastic tube in my ear as a stethescope I located the click as being somewhere in the large transformer, part # DG100017200 LSE 0442. Has any one had this same experience? I do not believe the monitor made any sounds when it was working properly. Any suggestions.
My monitor started to flash for 3 or four minutes before starting up, this was after three good years of faultless service. (I've always found Acer monotors to be excellent value) I was just about to purchase a pair of new monitors online when I decided to take it apart, as I had nothing to lose. I found that 2 capacitors on the mainboard had bulged and leaked. A quick trip to Maplins and 79 pence later I was armed with 2 new 1000uf 16v capacitors and within five minutes had removed and replaced the damaged items. I now have my good old AL1912 back in service.
Posted on Jul 08, 2008
Yes, its what happens with crappy monitors ,sorry to say. I had 2 CTX monitors in, both similar -- no power. After 2 hrs of pulling my hair out to find the problem came up with two capacitors that went out (on the power board). Got them unsoildered and replaced them with common ones. One worked longer than the other, both people eventually tossed them and got a better quality product.WARNING: I don't know your background but remember, capacitors hold their charge even after the item has been disconnected from power...be careful.
Posted on Oct 22, 2007
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Posted on Jan 02, 2017
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