Re: Problems with Samsung 740N monitors
Seeing the picture, I assume you changed the three caps to the left (of your picture). You must get out ALL the CapXon caps in there, not just the three to the left. try To stay as close as possible to the original capacitance - if they are in parallel, 2@1000 & 1@470 are OK (I've even done a 2200+470 in an emergency case three months ago). Removing the fuse to isolate the inverter section for further tests (as per Wizard suggestion) is a good idea.
Again, what (brand,) V Rating/Series/capacitance are the remaining caps you have in there? I have a 940T board that has two 1000uf@10v and another 330uf@10v - those might be the ones on the 5v power rail. If the reference voltage (5v) is wrong, the other one would be wrong also. As per Wizard suggestion, measure the 5v output. Here's a pic of my 940T board (from a Dead screen LCD unit). It should be the same as yours (pictured before recap).
Originally posted by Wizard
Again, what (brand,) V Rating/Series/capacitance are the remaining caps you have in there? I have a 940T board that has two 1000uf@10v and another 330uf@10v - those might be the ones on the 5v power rail. If the reference voltage (5v) is wrong, the other one would be wrong also. As per Wizard suggestion, measure the 5v output. Here's a pic of my 940T board (from a Dead screen LCD unit). It should be the same as yours (pictured before recap).
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