Question about Acer AL1715 17" LCD Monitor
Monitor image distorts badly (shimmering and pulling) when it has been turned on for a while. The time that it was on before it distorted was reducing each time it was turned on. It looks fine before it starts distorting. None of the electrolytics on the circuit board are swollen, or look at all distressed, but there is some corrosion around the soldered pins of the VGA socket on the circuit board. Here is a pic:.
You obviously have some technical background which is going to help alot.
What I need to know is the part number from your video board firstly. I may have a schematic here for it, though there are about 5 types for this one model.
Secondly, since you appear to have electrical knowledge I will also assume you have a half decent multimeter.
With the unit powered on, (you will need to connect the video cable and have the pc running so it dosn't go into standby)measure the voltage on the connector between the powerboard and video card. In particular we need to check the +5v line to see if it is fluctuating even a small amount. This +5v powers the panel itself, so any fluctuations will cause inherent video problems.
If possible, could you also submit a photo of the entire video board, and another of the power board just for my reference.
Posted on Apr 11, 2008
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Posted on Jan 02, 2017
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