[TechAssist] Re: Noisey coils & Transformers

or like don get a grandson,,,(i'm just trying to lighten up everyone's day)

Don Hartigan wrote:

> Dennis,my 56 year old ears are about in the same freq. band as yours.As an
> aid I use a long handled screw driver .Place the tip on suspected part &yes
> stick the plastic handle in your ear;i use my right its has a widder freq.
> response.Don't laugh,it works for me.When in doubt I call in my 17 year old
> grandson &ask for his expert technical opinion...regards..Don of
> HARTS-TVCR''ASC''
> ----- Original Message -----
> From: "Dennis Viereck" <wa6ati@xxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, November 28, 2001 11:38 PM
> Subject: [TechAssist] Noisey coils & Transformers
>
> >
> > Since we ran the "cleaning the video head" into the ground I have another
> > question for the group.
> >
> > I would like to know how all of you check for coils, transformers, and
> other
> > components that sometime have the tendency to squeal at high audible
> frequencies
> > in televisions?   The devices I mean are like flybacks, linearity coils,
> yokes
> > and brackets for these devices.
> >
> > Once you find, how do you correct them? By replacement or other tricks?
> >
> > For those of you, like me, who's hearing rolls off at 7 khz and can't hear
> these
> > noises, how do you detect them, and how do you know you have it repaired
> if you
> > can't hear these high frequencies?
> >
> > Dennis Viereck
> >
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