[TechAssist] Re: Picture Tube , elemntary question

  • From: "Glenn Larkman" <mail@xxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Mon, 10 Nov 2003 16:23:59 -0800

sorry, been a long day!

Glenn Larkman
Audiotech
256 Nth Hwy 101
ENCINITAS CA 92024
760 944 9048
FAX 944 0345
mail to"mail@xxxxxxxxxxxxx"
"www.audiotech.net"
----- Original Message ----- 
From: "becyn" <becyn@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, November 10, 2003 5:05 PM
Subject: [TechAssist] Re: Picture Tube , elemntary question


Yes I have seen it. All I was saying is that CRT heaters are parallel
internally!
----- Original Message ----- 
From: "Glenn Larkman" <mail@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, November 10, 2003 6:10 PM
Subject: [TechAssist] Re: Picture Tube , elemntary question


> Jim,
> youv'e obviously never had this happen to you.
> I wouldnt have believed it unless I saw it myself,2 heaters lit, the 3rd
> dead. Yes, it can happen, as with any parallel circuit. Think about it.
> I have also seen shorted turns on only one of the three heaters causing it
> to glow brightly, almost like a light bulb, just where the filament enters
> the gun.
>
> Glenn Larkman
> Audiotech
> 256 Nth Hwy 101
> ENCINITAS CA 92024
> 760 944 9048
> FAX 944 0345
> mail to"mail@xxxxxxxxxxxxx"
> "www.audiotech.net"
> ----- Original Message ----- 
> From: "becyn" <becyn@xxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Monday, November 10, 2003 2:41 PM
> Subject: [TechAssist] Re: Picture Tube , elemntary question
>
>
> No they are all in parallel- that's true for all CRT's. There are only two
> "h" pins on the socket!
>
> Jim McVey
> McVey Alltronix
> 327 Broadway
> Newburgh Ny 12550
> ph: 845 561 8383
> fx: 845 561 9017
> Consumer electronics &
> computer service.
> Factory authorized for
> over twenty brands.
> ----- Original Message ----- 
> From: "Paul" <dntwntv@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Monday, November 10, 2003 2:58 PM
> Subject: [TechAssist] Picture Tube , elemntary question
>
>
> > Can one filament be burned out in a 35 " picture tube and the other two
> lit? I thought that they were series strung. But looking at a print for a
> 32" it looks like each one could be tied to a common.   Paul
> >
> >
> >
> > Paul ,B
> Central TV&Video
> Grover Beach Ca.
> >
> >
>
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