Benq w1080st Standby PSU noise problem - AVS Forum
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post #1 of 4 Old 12-01-2013, 03:54 AM - Thread Starter
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Hi all,

 

Just got myself  the Benq w1080st. The device is outstanding, however when in Standby its PSU makes some very high frequency noise. In fact I haven't noticed it during the first day of usage, but it's very apparent to me now.

 

 I've been wondering if anyone else is experiencing the same problem and whether it's a warranty case? 

 

 

Thanks,

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post #2 of 4 Old 12-01-2013, 06:54 AM
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Originally Posted by sergavs View Post

Hi all,

Just got myself  the Benq w1080st. The device is outstanding, however when in Standby its PSU makes some very high frequency noise. In fact I haven't noticed it during the first day of usage, but it's very apparent to me now.

 I've been wondering if anyone else is experiencing the same problem and whether it's a warranty case? 


Thanks,

It's likely coil whine.

http://en.wikipedia.org/wiki/Coil_noise

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post #3 of 4 Old 12-01-2013, 07:39 AM - Thread Starter
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Yes, but it's a brand new projector, shouldn't it be silent in standby, when only +5 circuit is (presumably) operational? 

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post #4 of 4 Old 12-03-2013, 06:51 AM
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Originally Posted by sergavs View Post

Yes, but it's a brand new projector, shouldn't it be silent in standby, when only +5 circuit is (presumably) operational? 

Yes, of course. Contact dealer or Benq for a replacement.

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