[TechAssist] Re: Sylvania SWN4620 101,PTV420-AH01 (1992 yr) no blue video
- From: Philip Bader <tjanphyl@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 23 Sep 2003 16:43:53 -0400
The three tubes glow to look down the lenses,but until I actually stuck
my head inside I was not sure. I do see the video in the blue tube, but
seems lower brightness.Not foggy, low.
Phil Bader
gulftech@xxxxxxxx wrote:
>
> Phil,
>
> Sorry, but I must ask the obvious. Is the fluid contaminated with algae?
> Usually, it is bad in blue and green. Have seen it so bad that no light
> can pass through the fluid chamber.
>
> The "Speaker" had a great article on fluid changing on the NAP sets two
> or three months ago.
>
> Ken Smith
> Gulf Technical Services
> 3034 Gulf Breeze Parkway
> Gulf Breeze, FL 32563
> 850-934-8324 (Voice) 850-932-0819 (Fax)
>
> On Tue, 23 Sep 2003 16:16:29 -0400 Philip Bader
> <tjanphyl@xxxxxxxxxxxxxxx> writes:
> > This Sylvania SWN4620,1992 year (PTV420 chassis)projection TV has a
> > yellow-green greyscale to the picture. All three tubes glow, but
> > video
> > only from the green and red tubes. the blue tube does emit a blue
> > glow,
> > but no video.If I cover the red and green CRT lenses with a card
> > board
> > and leave the blue exposed,there is nothing on screen.
> > Thanks,
> > Phil Bader
> > --
> > Philip Bader
> > Jan Phyl TV Inc. (estab. 1976)
> > 3420 Recker Hwy. Winter Haven, Fl. 33880
> > Fax (863) 299-8821
> > email: tjanphyl@xxxxxxxxxxxxxxx
> > For Professional Technicians Only
> >
> >
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--
Philip Bader
Jan Phyl TV Inc. (estab. 1976)
3420 Recker Hwy. Winter Haven, Fl. 33880
Fax (863) 299-8821
email: tjanphyl@xxxxxxxxxxxxxxx
For Professional Technicians Only
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