[TechAssist] Re: 20" RCA CTC175A Herring bone picture
- From: Philip Bader <tjanphyl@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sat, 30 Aug 2003 09:49:17 -0400
Stick an eeprom in it. Don't worry about the parameters a bit off, just
for test. See if the herring bone disappears.
Phil Bader
Mouton's Electronics wrote:
>
> I have seen something like this 3 or 4 times. Look near the T-chip U1001.
> There is an obscure adjustable coil L2302 it is the VCO tank coil. Just rock
> it and see if it cures your problem. I have been noticing many lately as
> these sets get older the coil seems to be drifting. If I remember correctly
> most of the time the sound with the set is ok but the pic look sort of like
> herring bone.
>
> Hope this helps
>
> Jason
> Mouton' s Electronics
>
> ----- Original Message -----
> From: "Richard La Placa" <continentaltv@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, August 27, 2003 9:20 PM
> Subject: [TechAssist] Re: 20" RCA CTC175A Herring bone picture
>
> > Hi
> > I once had a CTC177 that did the same thing and I kept bypassing all the
> smd
> > caps in the tuner and found one that was intermittantly open. needless to
> > say, I left the disk cap right in the circuit when I found it. I can't
> > remember which one was the culprit. I'm not at the shop now, but I'll look
> > at my notes when I get there tomorrow.
> >
> >
> >
> > Richard La Placa
> > Continental TV
> > 312a Park Row
> > Chestertown, Md,21620
> > Fax&Phone-410-778-1113
> > continentaltv@xxxxxxxxxxx
> >
> >
> >
> >
> >
> > >From: HSWAD@xxxxxxx
> > >Reply-To: techassist@xxxxxxxxxxxxx
> > >To: techassist@xxxxxxxxxxxxx
> > >Subject: [TechAssist] Re: 20" RCA CTC175A Herring bone picture
> > >Date: Wed, 27 Aug 2003 13:04:49 EDT
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> > >
> > >Could you elaborate on what channels you have the herringbone pattern. Is
> > >it
> > >on the Air reception setting or on Cable setting. Sounds like it needs
> > >alignment without any more info than what you have given. The full
> chassis
> > >number
> > >would be helpful also. Hollis Bates. Field Engineer-retired, Lewiston,
> > >Maine,
> > >HSWAD@xxxxxxx In a message dated 8/27/03 8:30:53 AM
> > >Eastern
> > >Daylight Time, warrenca@xxxxxxxxx writes:
> > >
> > > > Subj:[TechAssist] 20" RCA CTC175A Herring bone picture
> > > > Date:8/27/03 8:30:53 AM Eastern Daylight Time
> > > > From:<A HREF="mailto:warrenca@xxxxxxxxx";>warrenca@xxxxxxxxx</A>
> > > > Reply-to:<A
> > >HREF="mailto:techassist@xxxxxxxxxxxxx";>techassist@xxxxxxxxxxxxx</A>
> > > > To:<A
> > >HREF="mailto:techassist@xxxxxxxxxxxxx";>techassist@xxxxxxxxxxxxx</A>
> > > > Sent from the Internet
> > > >
> > > >
> > > >
> > > > Hi All
> > > > This tv came to us with the usual tuner problems.....Tap the set and
> the
> > > > picture would flash.
> > > > We have done all the soldering needed on these sets but still have a
> > > > herring bone pattern over
> > > > the picture. The set had this problem and weak picture when it came
> > > > in--plus the intermitencies.
> > > > Other than htis complaint the set behaves ok.
> > > > Does anyone have info on this problem--Is it an easy fix---only a 20"
> > > > set?
> > > >
> > > > TIA
> > > > Warren Campbell
> > > > Campbell's TV & Appliances
> > > > Cannington Ont.
> > > >
> > > >
> >
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--
Philip Bader
Jan Phyl TV Inc. (estab. 1976)
3420 Recker Hwy. Winter Haven, Fl. 33880
Fax (863) 299-8821
email: tjanphyl@xxxxxxxxxxxxxxx
For Professional Technicians Only
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