[RFI] LG washer WT1501CW - EMI

Jeff Blaine KeepWalking188 at ac0c.com
Fri Nov 9 09:28:25 EST 2018


I have had a LG WM3770HVA for a few months now and it's not making any 
noise that I've identified.  I did however put about 6 turns of the 
power cord through a FT240-31 sized ferrite on install (standard 
practice around here).

73/jeff/ac0c
alpha-charlie-zero-charlie
www.ac0c.com

On 09-Nov-18 7:57 AM, Rob Atkinson wrote:
>> I've seen and witnessed it many.....many  times with SMPSs from China over
>> the last 15 years or so.  It happens more than you might imagine.  One year
>> of testing as a consultant, I had to send 100% of the SMPS's back for lack
>> of decoupling in either the AC or DC lines.  The real estate was there for
>> the components, but they were jumpered once the supply had passed
>> regulatory qualifications.  Very common practice!!!
> this is another report that underscores my belief that FCC should
> establish inspection teams at all ports where off-shore electronic
> products come in.  They should be able to randomly pull out items from
> containers and examine them for this sort of thing and have the
> authority to bar the entire cargo from entry.   I guarantee you, that
> once a couple of huge container ships are ordered to turn around and
> go back to China or wherever they came from, this sort of practice
> will completely stop.
>
> Rob
> K5UJ
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