[TechAssist] Re: Zenith 9-1790-1
- From: "Tel-Tek Electronics" <teltek2@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 29 May 2002 15:38:17 -0400
You hit the nail on the head..Walt, Thanks.
-Ed-
Tel-Tek Electronics
Midland, Ont. Canada.
teltek2@xxxxxxxxxxxx
"Quality will be remembered, long after Price is forgotten"
----- Original Message -----
From: "walter wood" <wwood_38478@xxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, May 29, 2002 1:38 PM
Subject: [TechAssist] Re: Zenith 9-1790-1
>
> No, I'm refering to the B+ regulator.
> It's true that the vertical chip causes much
> trouble in the newer sets, but on the ones I've had
> the set would at least "hit" and shutdown.
> Ed says this one just "sits there". So I'm thinking
> either power supply(regulator) or standby voltage
> missing, but no data on that one.
> Walt(er)
> --- gulftech@xxxxxxxx wrote:
> >
> > Ed,
> >
> > I had one with the same symptom. Turned out to
> > be bad vertical output
> > IC. Like the new Philips, won't come up with bad
> > vertical. Don't know
> > the ref designator--may be what Walt is talking
> > about.
> >
> > HTH,
> >
> >
> > Ken Smith
> > Gulf Technical Services
> > 3034 Gulf Breeze Parkway
> > Gulf Breeze, FL 32563
> > 850-934-8324 (Voice) 850-932-0819 (Fax)
> >
> >
> > On Wed, 29 May 2002 09:41:02 -0700 (PDT) walter
> > wood
> > <wwood_38478@xxxxxxxxx> writes:
> > >
> > > From WinsTips check IC-3431 for short and
> > RX3404;
> > > 180K@1/2w for open.
> > > HTH
> > > Walter
> > > --- Tel-Tek Electronics <teltek2@xxxxxxxxxxxx>
> > > wrote:
> > > >
> > > > Must be a reasonably new chassis son I
> > have
> > > > very little on it.
> > > > This set is dead, no relay click. Fuses (2)
> > are
> > > > OK, nothing shorted (H/O and
> > > > Regulator)
> > > > Just sits there. I have no circuit diagram on
> > > > this, so would someone send me
> > > > in the right direction to what I should check
> > > > first. Working blind on this
> > > > one.
> > > >
> > > > That's Zenith A25A11D using 1
> > board....9-1790-1
> > > >
> > > > Thanks guys....
> > > >
> > > > -Ed-
> > > >
> > > > Tel-Tek Electronics
> > > > Midland, Ont. Canada.
> > > > teltek2@xxxxxxxxxxxx
> > > >
> > > > "Quality will be remembered, long after Price
> > is
> > > > forgotten"
> > > >
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> > > =====
> > > Walter Wood
> > > Future Tech Home Center
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> > >
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> >
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> =====
> Walter Wood
> Future Tech Home Center
> 2786 Hwy. 43 N.
> Lawrenceburg Tn. 38464
> 931-829-3337
> Fax 931-829-4044
> mailto:wwood_38478@xxxxxxxxx
>
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