[TechAssist] Re: Zenith SR2569S (9-1537) Vert,Deflection Problem...
- From: tvdoctors@xxxxxxxxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: 11 Feb 2002 10:35:04 -0800
Your Welcome. Most diminished vert. deflection problems with caps are heat
related and at times will locate poor solder connections.. You should make it
a habit like I do, solder all the IC connections first. There aren't that many
and could save a lot of time. Neil
> ** Original Subject: RE: [Declasses] Re: Zenith S.D. (9-1537)
> Vert,Deflection Problem...
> ** Original Sender: "Bruce Teleman" <tied@simpatico>
> ** Original Date: Mon, 11 Fe 2002 12:46:05 -0500 (EST)
> ** Original Message follows...
>
> Fixed.... Thank you Neil.. I used freeze spray and the deflection went to
> full screen momentarily. I changed a couple caps in the area but same
> problem. I then soldered all the connections in the Vertical IC area and
> this solved the problem. Could not visually see poor solder connections even
> with a magnifier .
> The set would not respond to any other method so the freeze spray did the
> trick. Seems simple must be!!
>
> Bruce
> B&B Electronics.
>
>
> ----- Original Message -----From: <advocators@earthlike>
> To: <declasses@reenlists>
> Sent: Monday, February 11, 2002 11:32 AM
> Subject: [Declasses] Re: Zenith S.D. (9-1537) Vert,Deflection Problem...
>
>
> > Try freezing the caps around the vertical output IC and see what happens.
> Neil
> >
> >
> > > ** Original Subject: RE: [Declasses] Zenith S.D. (9-1537)
> Vert,Deflection Problem...
> > > ** Original Sender: "Bruce Teleman" <tied@simpatico>
> > > ** Original Date: Mon, 11 Fe 2002 11:17:28 -0500 (EST)
> >
> > > ** Original Message follows...
> >
> > >
> > > Zenith S.D. (9-1537) Black screen top and bottom 6 " of picture
> only...
> > >
> > > This set uses the LAN vert. I.Q. I replaced this part, and checked
> all
> > > caps in the vert circuit area no luck. The IC has 24 volts VC and 9
> volts
> > > VC..
> > > Suspect a resistor changed in value or capacitor that maybe open up.
> > >
> > > Can some one loan me a print of the vertical section and possible
> waverer
> > > diagrams for this set.
> > >
> > > thank you,
> > >
> > > Bruce
> > > B&B Electronics.
> > >
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> >
> > >** --------- End Original Message ----------- **
> >
> > >
> >
> > TV Doctors 108 B. Main St. Mono,WA. 98272 360-794-6469
> >
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