Didn't your Dr. tell you not to put anything bigger that your elbow in your ear, heh heh. Compelled to reply to this, Neil > ** Original Subject: RE: [TechAssist] Re: Noisey coils & Transformers > ** Original Sender: "Damon" <DAMON101@xxxxxxxxxxxxxx> > ** Original Date: Thu, 29 Nov 2001 08:02:56 -0500 (EST) > ** Original Message follows... > > I read a posting that suggested using a hot glue gun. I got the opportunity > to use 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 will at 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 > Ft Wayne, IN 46815 > ----- Original Message -----From: "Jerry" <geiting@xxxxxxxxxx> > To: <techassist@xxxxxxxxxxxxx> > Sent: Wednesday, November 28, 2001 10:53 PM > Subject: [TechAssist] Re: Noisey coils & Transformers > > > > > > Good questions. These are always hard to find 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" <wa6ati@xxxxxxxxxxxxxx> > > To: <techassist@xxxxxxxxxxxxx> > > 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 database better! > > | Submit your fixes here: http://circuitwork.com/techassist/tip/#tips > > | ================================= > > | To UNSUBSCRIBE your email address, click here: > > | mailto:techassist-request@xxxxxxxxxxxxx?subject=unsubscribe > > | > > > > > > ================================= > > Help make your TechAssist database better! > > Submit your fixes here: http://circuitwork.com/techassist/tip/#tips > > ================================= > > To UNSUBSCRIBE your email address, click here: > > mailto:techassist-request@xxxxxxxxxxxxx?subject=unsubscribe > > > > > > ================================= > Help make your TechAssist database better! > Submit your fixes here: http://circuitwork.com/techassist/tip/#tips > ================================= > To UNSUBSCRIBE your email address, click here: > mailto:techassist-request@xxxxxxxxxxxxx?subject=unsubscribe > >** --------- End Original Message ----------- ** > TV Doctors 108 W. Main St. Monroe,Wa. 98272 360-794-6469 ================================= Help make your TechAssist database better! Submit your fixes here: http://circuitwork.com/techassist/tip/#tips ================================= To UNSUBSCRIBE your email address, click here: mailto:techassist-request@xxxxxxxxxxxxx?subject=unsubscribe