sorry vanvu, no experience with the a980.
Regarding the a928 melting plug phenomena:
I think there may be another design flaw that contributes to overheating. In my case the pin did not fall out, my plug just started to melt. I think this may have happened because the hard plastic coupler portion of the plug starts to come loose from the softer rubbery portion of the plug. The two portions are held together by two small, rather flimsy internal plastic cords that join the two pieces together plug and socket style.
I think that because the hard plastic coupler portion fits so snugly with the 3 male prongs on the unit that the two plug portions start to come loose from merely pulling the plug in and out. As it becomes loose, I think it may short and cause trouble to the connector piece inside the machine that ultrafob is referring to.
After my plug started melting, I could get about 30 minutes out of my desknote. Then the power would shut off and the 3 green lights and the fan would pulse on and off until I cut the power. Then my plug would be stuck to the machine. I would use pliers to pull the plug off. My desknote still does this once in a great while (powers on and off until I cut power) on startup, but I haven't had any more melting problems.
However, this may all be BS, (I'm not an EE). But regardless, I think its important to be careful with your plug and to replace your power supply often, at the first hint that the connection between the two portions of the plug is loosening.
I would also recommend that ECS (they should read this site) make a plug that is a single piece rather than the clumsy 2-piece design they currently make.
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