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Hi,


I have a BD800 with a buzzing powersupply. It sounds like it is coming from the large transformer. I tried resoldering both transformer joints with no luck. Can this transform be swapped with one from a BG800 powersupply?? The powersupplies are different, question is, is that transformer the same...Anywhere else to look on the supply for the buzzing? Thanks...Steve.
 

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Steve,


There's a part number printed on the transformer and I'm fairly certain they're the same.


The buzzing SMPS in the 800 series is pretty classic. A while back there was a big thread on people and how to try to quieten it down. I just don't recall if it was on this forum or that "other" forum. Maybe 2 years ago?


My observations have been that at standard video frequencies some projectors are bad, but as soon as you at least double the video with a processor it quiets down. I've also noted that swapping out the vertical/sync card can help the buzz occasionally as well. (Or was it the horizontal defl card?)


Do you have a good BG800 SMPS? I wonder if I have any more BD800 supplies - I used to have several. Hmmm...


Mark
 
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