[TechAssist] Re: Noisey coils & Transformers
- From: "Dave Kraus" <audioserviceclinic@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 13 Dec 2001 15:30:24 -0800
Is it the vibrating noise that you hear? That can be solved with glue.
Dave
----- Original Message -----
From: "David Downey" <davestv8584@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, December 13, 2001 3:12 PM
Subject: [TechAssist] Re: Noisey coils & Transformers
>
>
> Hey you guys have you all forgotten the old trick of a flexiable plastic
> clear tubing We used this over thirty tears ago!!!Hardware stores carry
> it.Or air tubing from a fish tank.Bring back any memories ???
>
>
>
> >From: tvdoctors@xxxxxxxxxxxxx >Reply-To: techassist@xxxxxxxxxxxxx >To:
> techassist@xxxxxxxxxxxxx >Subject: [TechAssist] Re: Noisey coils
> &Transformers >Date: 29 Nov 2001 10:40:10 -0800 >>Didn't your Dr. tell you
> not to put anything bigger that your elbow in your ear, heh heh. Compelled
> toreply to this, Neil >>>>** Original Subject: RE: [TechAssist] Re: Noisey
> coils &Transformers >>** Original Sender: "Damon" >>** Original Date: Thu,
> 29Nov 2001 08:02:56 -0500 (EST) >>>** Original Message follows... >>>>>I
> reada posting that suggested using a hot glue gun. I got the opportunity
> >>touse it on an IHVT recently and it works even better than silicone.
> >>Silicone is just too flexy where the hot glue isn't. I'm switching to
hot
> >>glue from now on. >>>>As for isolating the culprit, I roll up a piece of
> paper into a cone, stick >>it in my ear and find the loudest point. That
> willat least isolate it to 1 >>or 2 coils. >>So that ringing in my ears is
> Tinnitus eh? I always thought it was from >>drinking too much coffee.
> >>>>Damon Brunger >>damon101@xxxxxxxxxxxxxx >>Telrad Electronic Services
> >>FtWayne, IN 46815 >>----- Original Message -----From: "Jerry" >>To:
> >>Sent:Wednesday, November 28, 2001 10:53 PM >>Subject: [TechAssist] Re:
> Noisey coils &Transformers >>>>>>>>>>Good questions. These are always hard
> tofind and fix. I don't think >>many >>>people hear the 15.7 kHz horz, but
> rather hear the 1st sub harmonic (7867 >>>Hz). The most common component I
> find causing these problems is those >>horz >>>lin chokes. They usually
have
> a gray colored plastic shrink covering on >>>them. Removing that and
putting
> a light coat of silicon sealant on it >>>usually cures that. I'm 42 and my
> hearing rolls off at about 12 kHz and I >>>have tinitus (ringing in the
> ears), the sub harmonic of horz is discordant >>>with the ringing I hear
and
> drives me nuts (I understand why the dog howls >>>when he hears the
sirens)!
> >>>>>>Jerry >>>Christian's Electronic Service >>>>>>----- Original Message
> ----- >>>From: "Dennis Viereck" >>>To: >>>Sent: Wednesday, November 28,
2001
> 10:38 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
> >>>| >>>| ================================= >>>| Help make your TechAssist
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> >>>>>>** --------- End Original Message ----------- ** >>>>>TV Doctors 108
> W.Main St. Monroe,Wa. 98272 360-794-6469
>>=================================
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