[TechAssist] Re: need SM on philips 25T800
- From: "Terry H." <tvdoc@xxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 25 Jul 2003 15:37:17 -0500
If it is a G2 short, you can measure the scan supplies while this shuts
down. The 200 and the vertical B+ will stay up, but the G2 pin on the kine
will measure less than a volt. Especially if this is using that Goldstar
crt. Had 3 in a row doing the same. If it is shorted, easy enough to remove.
The TV Shop
314C St. George St.
Gonzales, Tx 78629
830-672-7403
----- Original Message -----
From: "Philip Bader" <tjanphyl@xxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, July 25, 2003 3:25 PM
Subject: [TechAssist] Re: need SM on philips 25T800
> Since the set shuts down before the CRT can warm up and give an
> indication of what type of problem,Heres' what I do:
> On the CRT board, cut and isolate both CRT socket filament pins from the
> chassis' traces.
> Connect an external 6.3VAC transformer to the pins.This allows the CRT
> heaters to glow and warm.
> With the set preferably on an ISOLATION TRANSFORMER while watching the
> screen power tv on. Your CRT is already heated and will give an instant
> picture enough to see if there's no vertival deflection (common shut
> down issue) or something else before the ten seconds are up.
> I have a test rig set up with micro clips.
> Worth a try.
>
> Phil Bader
>
> "Terry H." wrote:
> >
> > You're positive it's not the G2 pin of the crt shutting it down?
> > The TV Shop
> > 314C St. George St.
> > Gonzales, Tx 78629
> > 830-672-7403
> > ----- Original Message -----
> > From: "tony saracco" <tcselectronics@xxxxxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Friday, July 25, 2003 9:23 AM
> > Subject: [TechAssist] need SM on philips 25T800
> >
> > > can anyone email a PDF on a Magnavox 25T800 chassie, the unit runs 10
> > seconds and shuts down,( its not the resistor on the crt board) possible
> > lightning damage.
> > > Tony Saracco
> > > TCS ELECTRONICS
> > > Elgin , IL 60120
> > > 847-695-1928
> > > tcselectronics@xxxxxxxxxxxxxxxx
> > >
> >
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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
>
>
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