[TechAssist] Re: Fw: ctc185a5 chassis
- From: Dennis Viereck <wa6ati@xxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 16 Nov 2001 13:09:02 -0800
I will send you the order in a seperate E-mail.
Yes there is an order and specific channels to align. You will see these
channels on the form I am sending you.
Dennis.
albert marquardt wrote:
> dennis i don't see any order to do the alignment in any of my manuals, even
> the training manuals.
> al marquardt
> ampm@xxxxxxx
> ----- Original Message -----
> From: Dennis Viereck <wa6ati@xxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, November 16, 2001 7:00 AM
> Subject: [TechAssist] Re: Fw: ctc185a5 chassis
>
> >
> > Yes. Align the each channel in the order it gives you. Align all three
> channel
> > parameters for a dip in the AGC voltage. You may have to readjust the
> signal
> > generator by reducing it signal output as you improve the alignment of the
> > tuner.
> >
> > When you align the three alignment parameters on each channel you are
> adjusting
> > RF amp, Input to Mixer, output from Mixer.
> > Do you have the exact order which theses should be done?
> >
> > FYI: All parameter alignments MUST vary the voltage at the AGC. If you
> find that
> > a group of parameters do not vary the RF AGC voltage, it is very possible
> you
> > have a hardware problem in the tuner or tuner controller.
> >
> > Let me know
> > Good Luck
> > Dennis Viereck
> >
> >
> >
> > albert marquardt wrote:
> >
> > > so then what you're saying is monitor agc voltage and put enough signal
> in
> > > till agc reaches 5v then align the channel?
> > > al marquardt
> > > ampm@xxxxxxx
> > > ----- Original Message -----
> > > From: Dennis Viereck <wa6ati@xxxxxxxxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Thursday, November 15, 2001 10:52 AM
> > > Subject: [TechAssist] Re: Fw: ctc185a5 chassis
> > >
> > > >
> > > > If you remember the ancient technology of IF alignments, Use only
> enough
> > > signal
> > > > so your out of the noise floor."
> > > > I only use enough signal to where I see the RF AGC voltage begin to
> rise,
> > > but
> > > > not so high that the RF ACG voltage reaches maximum.
> > > > Typically the voltage has a range of 2.2 vdc = strong signal, and 8.0
> vdc
> > > = Weak
> > > > or no signal. You want to be approximately 5 volts.
> > > >
> > > > Dennis Viereck
> > > >
> > > > albert marquardt wrote:
> > > >
> > > > > 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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