[TechAssist] Re: Toshiba 36AF42 picture tube ringing
- From: "Phillip R. Hull" <phil245@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 26 Jan 2004 17:27:38 -0500
It could be the shadow mask vibrating inside CRT or yoke coils
Phillip R Hull STET
phil245@xxxxxxxxxxxxx
FAX 517--569-3075
Professional Technicians only
----- Original Message -----
From: <tvservice@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, January 26, 2004 1:48 PM
Subject: [TechAssist] Re: Toshiba 36AF42 picture tube ringing
> Yes
> but I don't believe the yoke is the cause
> Robert
> tvservice@xxxxxxxxxxxxx
> H & H Electronics Inc
> Dallas, TX
>
> ----- Original Message -----
> From: "peggs" <peggs@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>; "Tech-Assist" <techassist@xxxxxxxxxxxxx>
> Sent: Monday, January 26, 2004 2:19 PM
> Subject: [TechAssist] Re: Toshiba 36AF42 picture tube ringing
>
>
> > Is the Yoke removable ???
> >
> > Peggs
> >
> > At 10:09 AM 1/26/04, tvservice@xxxxxxxxxxxxx wrote:
> > >Here's one for you
> > >I am looking at this set for intermittent hi pitch squeel
> > >after several hours finally began ringing/squeeling.
> > >the sound is coming from the bell of the crt.
> > >I have disconnected degaussing coil and horizontal shift coil with no
> > >change.
> > >Slapping on the crt seems to have no effect other than slight purity
> drift
> > >(shadowmask)
> > >When remove the antenna ringing gets louder.
> > >Flexing the board and coils and components in horizontal section have
no
> > >effect either.
> > >Before I replace the CRT has anyone else heard or seen this?
> > >The CRT is A80JZ90X01 Toshiba on the label
> > >
> > >Robert
> > >tvservice@xxxxxxxxxxxxx
> > >H & H Electronics Inc
> > >Dallas, TX
> > >
> >
>
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