[TechAssist] Re: Fw: Re:FIX: RCA m#F27689,ch#CTC197AS-top half of scanmissing--bottom half has retrace lines over picture,&brighter horiz lineacross center

  • From: Kevin <kevintv@xxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Sat, 24 May 2003 16:17:22 -0700

Hi Richard,

If in doubt always change the vertical IC.  They are cheap and don't
always short but go open like you found.  

Kevin Wilks
Kevin's TV & Video Repair
Penticton BC Canada
kevintv@xxxxxxx 
 

-----Original Message-----
From: techassist-bounce@xxxxxxxxxxxxx
[mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Richard La Placa
Sent: Friday, May 23, 2003 3:52 PM
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Fw: Re:FIX: RCA m#F27689,ch#CTC197AS-top half of
scan missing--bottom half has retrace lines over picture,&brighter horiz
line across center



Richard La Placa
Continental TV
312a Park Row
Chestertown, Md.
fax&phone-410-778-1113
website: http://www.continentaltv.homestead.com/
continentaltv@xxxxxxxxxxx
----- Original Message -----
From: <continentaltv@xxxxxxxxxxx>
To: <tvservice@xxxxxxxxxxxxx>
Sent: Friday, May 23, 2003 12:00 PM
Subject: Fwd: [TechAssist] Re: RCA m#F27689,ch#CTC197AS-top half of scan
missing--bottom half has retrace lines over picture,&brighter horiz line
across center


>
>
> The diode (cr14501)between pin 2 &6 on the vert ic was open.These
things
would be a lot easier to find if we had some sort of transistor
equivalent
block diagram of these darn IC's. I never saw one of these open before
and
it's just like one of the output stages quit, I guess the diode supplies
the
power to one side.
>
> THANKS TO ALL>
>
>
> Richard La Placa
> Continental TV
> 312a Park Row
> Chestertown, Md,21620
> Fax&Phone-410-778-1113
> continentaltv@xxxxxxxxxxx
>
>
>
>
>
> >From: <tvservice@xxxxxxxxxxxxx>
> >Reply-To: techassist@xxxxxxxxxxxxx
> >To: <techassist@xxxxxxxxxxxxx>
> >Subject: [TechAssist] Re: RCA m#F27689,ch#CTC197AS-top half of scan
missing--bottom half has retrace lines over picture,&brighter horiz line
across center
> >Date: Thu, 22 May 2003 13:34:39 -0500
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> >
> >
> >Richard,
> >  tried to send to your continental address print of vertical for
ctc197
> >but e-mail was sent back
> >will try again
> >Robert
> >tvservice@xxxxxxxxxxxxx
> >H & H Electronics Inc
> >Dallas, TX
> >
> >----- Original Message -----
> >From: "Richard La Placa" <continentaltv@xxxxxxxxxxx>
> >To: <techassist@xxxxxxxxxxxxx>
> >Sent: Thursday, May 22, 2003 3:40 PM
> >Subject: [TechAssist] RCA m#F27689,ch#CTC197AS-top half of scan
> >missing--bottom half has retrace lines over picture,&brighter horiz
line
> >across center
> >
> >
> > > Hi
> > >  Can anybody tell me what the voltages are at the vert out
IC#U14501
> >should be? I tried replacing it and still get the same. It looks like
an
old
> >25 year old set with an open vert out transistor.There might be a +
or -
> >voltage supply missing ,but I don't have the schematic.
> > >  Thanks!!!
> > >
> > >
> > >
> > >
> > > Richard La Placa
> > > Continental TV
> > > 312a Park Row
> > > Chestertown, Md.
> > > fax&phone-410-778-1113
> > > website: http://www.continentaltv.homestead.com/
> > > continentaltv@xxxxxxxxxxx
> > >
>
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  • » [TechAssist] Re: Fw: Re:FIX: RCA m#F27689,ch#CTC197AS-top half of scanmissing--bottom half has retrace lines over picture,&brighter horiz lineacross center