Re: Hanns-G HG281D, LCD Monitor no power



Alright, finally I have time to track this now.

The main fuse is fine. When I don't connect the power, the resistance is 0. When I connect 110VAC, 450Vdc cap reads about 150~155VDc. But I didn't have resource to track down further. So I look at this power supple board, it reads PSM217-404-H-R. So I went to alibaba.com and order from a retailer.

The retailer didn't sent me the exact PSM217-404-H-R I ordered, instead, they sent me another one "FSP217-4F02". As shown in the attached picture...

Re: Hanns-G HG281D, LCD Monitor no power

Thanks a lot! But I am very rudimentary on this. To confirm that I don't misunderstand two parts you are talking about ( main fuse and main 450V cap), I label the picture again.

Does the red arrow point to main fuse? Does the blue line circles main 450V cap? thanks again!...

Re: Hanns-G HG281D, LCD Monitor no power

Great discussion -- here is another Hanns-G HG281D with no power.

I bought a Hanns-G HG281D in January 2007 from NewEgg. Recently It became very hard to turn on and now it is complete dead -- no blue or orange light LED no matter how many times I press the power bottom. I couldn't measure the voltage with a live PC, but I tried to measure the PSON voltage at the first second it connect to 110VAC power -- PSON is about only 0.05V regardless of pressing power bottom. It was very hard to measure voltage with the 30pin connector...