[TechAssist] Re: Zenith 27" TV Model: SR2552S Chassis: 9-1558 Horizontal lines at top of screen

  • From: "Damon" <DAMON101@xxxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Sun, 4 Nov 2001 06:41:19 -0500

Hmmm, you're in the wrong power supply, try the ihvt supplies. Easiest way
to verify the 27 volt power supply on the ihvt is to measure for it or use
schematics....


----- Original Message -----
From: "slvrfx" <slvrfx@xxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, November 02, 2001 4:16 PM
Subject: [TechAssist] Re: Zenith 27" TV Model: SR2552S Chassis: 9-1558
Horizontal lines at top of screen


>
> You wouldn't happen to know which cap number specifically would you?
There
> are three very large caps near the b+ adjust.  I replaced all three.  No
> improvement.
>
> -Chris
> ----- Original Message -----
> From: "albert marquardt" <ampm@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, November 02, 2001 5:22 PM
> Subject: [TechAssist] Re: Zenith 27" TV Model: SR2552S Chassis: 9-1558
> Horizontal lines at top of screen
>
>
> >
> > check your b+ filter cap to the vertical section, fixed a lot of zeniths
> > with folover with that cap.
> > al marquardt
> > ampm@xxxxxxx
> > ----- Original Message -----
> > From: slvrfx <slvrfx@xxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Friday, November 02, 2001 12:04 PM
> > Subject: [TechAssist] Zenith 27" TV Model: SR2552S Chassis: 9-1558
> > Horizontal lines at top of screen
> >
> >
> > >
> > > I have a Zenith 27 inch model SR2552S TV.  The chassis number is
9-1558.
> > > There are horizontal white lines at the top of the screen.  I looks
like
> > > part of the top of the picture is rolling back downward.  The size of
> the
> > > area starts off at about 3 inches, then as the TV warms up, shrinks to
> > about
> > > 1 inch.
> > >
> > > Is there a connection that is bad on this chassis, or maybe a resistor
> > > changing value with heat?
> > >
> > > Thanx for the help.


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