[TechAssist] Re: zenith 9-1557 module,vertical retrace at topofscreen
- From: Cliff Afflick <sgt.cliff@xxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 26 Jun 2002 13:44:30 -0600
Sounds good to me.
Cliff.
----- Original Message -----
From: "Ed Gaidies" <teltek2@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, June 26, 2002 4:39 AM
Subject: [TechAssist] Re: zenith 9-1557 module,vertical retrace at top
ofscreen
>
> It is....as a rule these repairs to the vertical are straight forward.
> I see 2 different output for this board La7833 and LA7838, I believe they
> are interchangeable, but when you get bogged down like this, sometimes
good
> to leave it for a day, then go in with a fresh attitude, and start from
> scratch...seems to work for me..sometimes. ;-)
>
> - 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 22:53:21 -0400
> > To: <techassist@xxxxxxxxxxxxx>
> > 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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