[TechAssist] Re: Fw: ctc185a5 chassis
- From: Dennis Viereck <wa6ati@xxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 16 Nov 2001 07:08:32 -0800
I would probably agree with Damons ideas that Alignment might not be the "Silver
Bullet". Check the alignment first by checking all channel groups. They should
have the same sensitivity on all channels. Adjust the output of you generator
for a signal level that gives you a partial snow picture.
But if someone swapped the EEPROM in it life and never aligned it, you will have
to. You can tell this happened because all the values are 31. Or if the EEPROM
was stuffed with alignment data from another CTC185, you will still have to
align it anyway.
Dennis Viereck
Damon wrote:
> Doggone it Al,
> I HAVE SEEN YOUR PROBLEM.......
> But I don't remember the fix.....
> I know what it isn't.....
> Alignment is not it
>
> Leaky bandswitching transistors??? Flaky Mixer/If Ic???
> Leaky varactor diode??
> Like sands through the hourglass, so are the tips in our lives....
>
> I gotta find R Vogelpohl's E-mail address....he'd know this.
>
> Damon Brunger
> damon101@xxxxxxxxxxxxxx
> Telrad Electronic Services
> Ft Wayne, IN 46815
> ----- Original Message -----
> From: <HSWAD@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, November 15, 2001 6:15 PM
> Subject: [TechAssist] Re: Fw: ctc185a5 chassis
>
> >
> > In a message dated 11/15/01 1:21:00 PM Eastern Standard Time, ampm@xxxxxxx
> > writes:
> >
> > << : ctc185a5 chassis
> > Date: 11/15/01 1:21:00 PM Eastern Standard Time
> > From: ampm@xxxxxxx (albert marquardt)
> > Sender: techassist-bounce@xxxxxxxxxxxxx
> > Reply-to: techassist@xxxxxxxxxxxxx
> > To: techassist@xxxxxxxxxxxxx
> >
> >
> > jeff, haven't done an alignment yet the instructions say anntenuate the
> > signal properly. what exactly are they talking about as properly.call me
> > dumb but i never got into anything like this before. i have sencore
> > equipment vg91.can vary signal but what are signal levels supposed to be.
> > thanks
> > al marquardt
> > ampm@xxxxxxx
> > ----- Original Message -----
> > From: Shoreline Electronics <jstielau@xxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Thursday, November 15, 2001 5:19 AM
> > Subject: [TechAssist] Re: Fw: ctc185a5 chassis
> >
> >
> > >
> > > The tuner alignments may have gotten corrupted for that area......you
> may
> > > need to do an alignment.
> > >
> > >
> > >
> > > Jeff Stielau
> > > Shoreline Electronics Repair
> > > 125 Beechtree Lane
> > > Westbrook,CT 06498
> > > 860-399-1861 Voice
> > > 860-664-3535 Fax
> > > jstielau@xxxxxxxx
> > >
> > > ----- Original Message -----
> > > From: "albert marquardt" <ampm@xxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Thursday, November 15, 2001 11:14 AM
> > > Subject: [TechAssist] Re: Fw: ctc185a5 chassis
> > >
> > >
> > > >
> > > > tryingm this one more time read below
> > > > al marquardt
> > > > ampm@xxxxxxx
> > > > ----- Original Message -----
> > > > From: albert marquardt <ampm@xxxxxxx>
> > > > To: <techassist@xxxxxxxxxxxxx>
> > > > Sent: Wednesday, November 14, 2001 8:21 AM
> > > > Subject: [TechAssist] Fw: ctc185a5 chassis
> > > >
> > > >
> > > > >
> > > > >
> > > > > al > > problem being assoctiated whit tuner wrap problem. haven't
> > heard
> > > of
> > > > only 4
> > > > > > channels being affected. thanks
> > > > > > al marquardtmarquardt
> > > > > ampm@xxxxxxx
> > > > > ----- Original Message -----
> > > > > From: albert marquardt <ampm@xxxxxxx>
> > > > > To: <techassist@xxxxxxxxxxxxx>
> > > > > Sent: Tuesday, November 13, 2001 2:53 PM
> > > > > Subject: [TechAssist] ctc185a5 chassis
> > > > >
> > > > >
> > > > > >
> > > > > > not looked at yet but here's the complaint. ch 40 nothing ch 41
> > works
> > > > once
> > > > > > in a while. 42ok when coming back from 43.ch 39 lines in picture.
> oh
> > > ch
> > > > 41
> > > > > > has a motor boat sound i heard over the phone. did anyone hear of
> > this
> > > >
> > > > > > ampm@xxxxxxx
> > > > > >
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> > From: "albert marquardt" <ampm@xxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
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> > <008a01c16df0$a3149be0$850bbacc@ampm>
> > <025101c16dd8$39131540$22203ccc@shorelineelect>
> > Subject: [TechAssist] Re: Fw: ctc185a5 chassis
> > Date: Thu, 15 Nov 2001 13:19:02 -0800
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> > >>
> > It means to use only as small a signal as necessary so that you dont
> overload
> > the circuitry thus causing the adjustments to be too broad. Hollis
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