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

  • From: "Phillip R. Hull" <phil245@xxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Thu, 30 Jan 2003 12:48:22 -0500

If you have sound scope the video signal out of Jungle IC,  also a bad
connection in the vertical circuit can mute video on this set.
Phillip R Hull     STET
phil245@xxxxxxxxxxxxx
----- Original Message -----
From: "Philip Bader" <tjanphyl@xxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, January 30, 2003 12:24 PM
Subject: [TechAssist] Philips Magnavox 19PR15, 19A800 chassis, video washed
out...


>
> 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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