[TechAssist] Re: Picture Tube , elemntary question

  • From: "Glenn Larkman" <mail@xxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Mon, 10 Nov 2003 15:10:40 -0800

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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