[TechAssist] Re: zenith 9-1557 module,vertical retrace at top ofscreen
- From: "wilfred blakey" <wblakey@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 26 Jun 2002 10:08:59 -0400
Al
Yes I did scope the 24v line and had some ripple but I changed the
electrolytic cap and no improvement.
Wilf Blakey
Blakey TV,Kirkland Lake,Ont
wblakey@xxxxxxxxxxxxxxxx
----- Original Message -----
From: "al m" <ampm@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: June 25, 2002 11:57 PM
Subject: [TechAssist] Re: zenith 9-1557 module,vertical retrace at top
ofscreen
>
> did you scope the 24V to see if it's filtered
> al marquardt
> ampm@xxxxxxx
>
>
> ----- Original Message -----
> From: "wilfred blakey" <wblakey@xxxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, June 25, 2002 10:53 PM
> Subject: [TechAssist] Re: zenith 9-1557 module,vertical retrace at top
> ofscreen
>
>
> >
> > Isn't this resistor the one that comes off of pin 5 on the IHVT? I am
> > getting the 24v from the flyback so it should be okay or am I reading
> things
> > wrong?
> > Wilf Blakey
> > Blakey TV,Kirkland Lake,Ont
> > wblakey@xxxxxxxxxxxxxxxx
> >
> > ----- Original Message -----
> > From: "Ed Gaidies" <teltek2@xxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: June 25, 2002 8:12 PM
> > Subject: [TechAssist] Re: zenith 9-1557 module,vertical retrace at top
> > ofscreen
> >
> >
> > >
> > > Wilf;
> > > Did you change R3209 1ohm 1/2 watt.
> > >
> > > - Ed -
> > >
> > > TEL-TEK ELECTRONICS
> > > Ontario-Canada
> > > "Quality will be remembered....long after Price is forgotten"
> > >
> > > teltek2@xxxxxxxxxxxx
> > > teltek@xxxxxxx
> > >
> > >
> > > > From: "wilfred blakey" <wblakey@xxxxxxxxxxxxxxxx>
> > > > Reply-To: techassist@xxxxxxxxxxxxx
> > > > Date: Tue, 25 Jun 2002 18:32:16 -0400
> > > > To: "tech assist" <techassist@xxxxxxxxxxxxx>
> > > > Subject: [TechAssist] zenith 9-1557 module,vertical retrace at top
of
> > screen
> > > >
> > > > I have a Zenith 9-1557 module or C12 chassis with vertical foldover
> and
> > > > retrace at the top. I have already replaced the output IC and the
> three
> > > > electrolytics (c2100/c2105/c2104) and no improvement. I have checked
> and
> > > > replaced c3208 also with no change. The voltages are alright , 25v
is
> > 25v and
> > > > the 11v (pin 2) is 12v. Does anyone have any ideas?
> > > > Wilf Blakey
> > > > Blakey TV,Kirkland Lake,Ont
> > > > wblakey@xxxxxxxxxxxxxxxx
> > > >
> > > >
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