[RFI] Tough to solve TVI problem

[Bill Turner]

On Fri, 06 Jun 2003 09:19:31 -0700 (PDT), kelly at thejohnsons.ws wrote:

>5) There is a large amount of HF noise coming OUT of the TV, especially in
>2 or 3 key places (near the speaker grills and one corner of the picture
>tube).  I explained this to a TV tech. and he insisted this was normal.
>Normal?  S9 broadband HF noise when using an RF sniffer next to the tv?
>That doesn't sound normal to me.  He claimed it was normal HV circuit noise.

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This is pretty common, really.  Most TV's these days use a switching
power supply to save weight and cost, and it runs whether the TV is on
or not (so the remote control will be active).  Switchers are
notorious for producing RF noise.

Bill, W7TI