[TechAssist] Re: Philips Magnavox 19PR15, 19A800 chassis, video washed out...

  • From: "al m" <ampm@xxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Sun, 2 Feb 2003 11:00:17 -0500

This caught my eye. How does it have full vertical deflection if the
vertical IC is bad? This is interesting.
al marquardt
ampm@xxxxxxx


----- Original Message -----
From: "Jeff Dougherty" <support@xxxxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, January 31, 2003 10:38 PM
Subject: [TechAssist] Re: Philips Magnavox 19PR15, 19A800 chassis, video
washed out...


>
> Yes you would, Phil.
> If your set uses that IC number...change those parts Mando mentioned.'
> This one had me fooled the first time.
>
> FAX 717-564-4952
> Jeff Dougherty
> Intrepid Video & Electronics      Be careful of your thoughts.
> 501 Luther Rd                        They may become your words
> Harrisburg, PA 17111                            any moment.
> VCR tips, electronics info & general interest.
> www.intrepid-video.com www.tech-repair.net
> www.thetoolcaddy.com www.9-11-2001tragedy.com
> ***********************************************************************
>
> ----- Original Message -----
> From: "Philip Bader" <tjanphyl@xxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, January 31, 2003 2:05 PM
> Subject: [TechAssist] Re: Philips Magnavox 19PR15, 19A800 chassis, video
washed
> out...
>
>
>
> If those parts were in fact shorted/open, I don't really think I would
> be getting full vert deflection, would I?
> Phil Bader
>
> armando guerra wrote:
> >
> > You probably have a shorted vertical IC TDA-9302H and diode D409
> > .Also,check R445 and R420.They are probably open.
> > Mando
> > Birdie's TV & Electronics
> > Casa  Grande, AZ
> >
> > Philip Bader wrote:
> >
> > > Still fighting this one.Became a "shop set". Display was totally
> > > black,with HV.and sound.
> > > Turned up G2 on fly to illuminate screen and it did,with the usual
> > > expected white screen and retrace lines from overdrive. But I still at
> > > least see a very faded video signal. I checked the entire CRT board
> > > components,all seem OK, no open resistors or shorted transistors.The
> > > three 2 watt 18K resistors on CRT board feeding the outputs,
> > > (#3314,3324,3334) all have about +194.00V on source sides and about
> > > +193.00V on other sides.The screen control works. I have a full
> > > screen,sound,tuner operation. too faint to see if there is OSD.
> > > At this point I simply want to solve this.It's getting personal ;-)
> > > Wondering if that jungle chip(TDA8373C) is the cause.
> > > Phil Bader
> > > --
> > > 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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> --
> 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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