[TechAssist] Re: Panasonic CTP-3189 apedc214 no vertical
- From: Larry <schntv@xxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 26 Jun 2002 10:38:38 -0400
thank you all for the tips, but still no vertical.
no open choke.
yoke is not open
and I used exact IC.
I am stumped.
Larry
"Jim C." wrote:
>
> I can't remember the exact chassis but I have found open coil located on crt
> board on several panasonic/quasar that will kill the vertical deflection.
> ----- Original Message -----
> From: "Cliff Afflick" <sgt.cliff@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, June 25, 2002 11:23 PM
> Subject: [TechAssist] Re: Panasonic CTP-3189 apedc214 no vertical
>
> >
> > Larry
> > Did you check the yoke or its connections?
> > Maybe just maybe.
> > Cliff.
> > ----- Original Message -----
> > From: "Larry" <schntv@xxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Tuesday, June 25, 2002 2:45 PM
> > Subject: [TechAssist] Panasonic CTP-3189 apedc214 no vertical
> >
> >
> > >
> > > help please! I know this sounds easy but,
> > > I dont understand what I am missing.
> > > I have replaced the vert. IC, 2 times, LA7838.
> > > I have 12 v to pin 1 and 28v to pin 8 and 13, supply voltages.
> > > I have vertical drive pulse at Pin 2 input.
> > > lifted and checked 12 resistors and checked lytics.
> > > yoke return path checks continuity.
> > > cant get any vertical output.
> > > I even injected drive to pin 2 and still nothing.
> > > The schematic shows no voltages for most of the pins.
> > > I dont know where to turn.
> > > Thank you,
> > > Larry
> > >
> > >
> > >
> > > --
> > > Schneider TV & Electronic Inc.
> > > 5415 N. Wooster ave.
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--
Schneider TV & Electronic Inc.
5415 N. Wooster ave.
Dover, Ohio 44622 www.geocities.com/schntv2000/
330-343-0768 FCC. first class & Extra class K8WLY
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