[TechAssist] Re: Zenith A32B43W delay line
- From: Paul <dntwntv@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 25 Jan 2006 10:12:24 -0800 (PST)
Damon
Would the vertical linearity appear stretched just a bit without that circuit?
Paul
--- Damon <DamonEB@xxxxxxxxxxx> wrote:
> Ok, Alarie....if you looked up the info on the schematic, and "It's between
> the Y output of the A/V switch and the scan velocity module".....
> My guess is that delay line is used FOR the Scan Velocity circuit...I won't
> go into details about how it functions, just suffice it to say the delay is
> required to sync the SVM ops to the NEXT Line. The customer will never see
> the difference whether the SVM is working or not.
>
> Damon B
> Telrad Electronics
> Fort Wayne IN
> ----- Original Message -----
> From: "Paul" <dntwntv@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, January 24, 2006 9:56 PM
> Subject: [TechAssist] Re: Zenith A32B43W delay line
>
>
> > PIP is surprisingly OK. I can't find anything that is abnormal in the
> picture or sound. I have a question though. I can't get into the service
> menu by using 9-8-7-6 method. Is there another code for this model?
> > Paul
> > rlones <rlones@xxxxxxxxxxxx> wrote:
> > It's between the Y output of the A/V switch and the scan velocity
> module.
> > How's the PIP video?
> >
> > Alarie's TV
> > 1300 North Ave.
> > Burlington, VT. 05401
> > ----- Original Message -----
> > From: "Paul"
> > To:
> > Sent: Monday, January 23, 2006 5:19 PM
> > Subject: [TechAssist] Re: Zenith A32B43W delay line
> >
> >
> > > This is not the main delay line that is near the tuner and is a
> rectangle
> > > black box. This is mounted at the front edge of the board and is flat on
> > > one side with components mounted and embedded in tan potting material on
> > > the other side. The location is marked DL2901. It doesn't look like the
> > > regular delay line. Everything seems to be working fine. So I can't
> > > imagine why it is there.
> > >
> > > Paul
> > >
> > >
> > > Tel-Tek Electronics wrote:
> > > If it's the Video Delay line, you will probably see smearing in your
> > > picture. Chroma dragging behind Video or Y signal.
> > > I presume any Video Delay line, from a scrap set...providing it's the
> same
> > > physical configuration should work.
> > > -Ed-
> > >
> > >
> > >
> > >
> > >
> > > Ed Gaidies
> > > Tel-Tek Electronics
> > > Ontario-Canada
> > >
> > > teltek3@xxxxxxxxxxxx
> > > ----- Original Message -----
> > > From: "Paul"
> > > To:
> > > Sent: Monday, January 23, 2006 4:35 PM
> > > Subject: [TechAssist] Zenith A32B43W delay line
> > >
> > >
> > >> Can someone tell me what this delay line DL2901 is used for? It was
> > >> laying
> > >> over on the board, may have been that way from the factory, anyway I
> > >> straightened it up and it broke the wires from the potting material. It
> > >> doesn't appear to have affected the picture. I had fixed another
> problem
> > >> and was putting it back together and this happened. I don't know if it
> is
> > >> available or not yet. I have my doubts.
> > >>
> > >> Paul
> > >>
> > >>
> > >> Paul ,B
> > >> Central TV&Video
> > >> 911W Grand Ave
> > >> Grover Beach Ca.
> > >> (805)481-8084
> > >>
> >
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> > > Paul ,B
> > > Central TV&Video
> > > 911W Grand Ave
> > > Grover Beach Ca.
> > > (805)481-8084
> > >
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> >
> >
> > Paul ,B
> > Central TV&Video
> > 911W Grand Ave
> > Grover Beach Ca.
> > (805)481-8084
> >
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Paul ,B
Central TV&Video
911W Grand Ave
Grover Beach Ca.
(805)481-8084
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