[TechAssist] Re: Dynamic Focus problem.PTK169HNA.P46100TN.help
- From: <tvservice@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 3 Sep 2003 09:19:18 -0500
Has your mechanical focus on the crt lenses been moved?
Try looking into each crt while adjusting for best electrical focus then try
adjusting mechanical lenses while looking at screen.
Loosen wing nut on lens then twist lens until best focal point.
May need two people or mirror to do this.
Robert
tvservice@xxxxxxxxxxxxx
H & H Electronics Inc
Dallas, TX
----- Original Message -----
From: "Ron Miller d.b.a. Country TV" <rlmbkm@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, September 03, 2003 9:01 AM
Subject: [TechAssist] Re: Dynamic Focus problem.PTK169HNA.P46100TN.help
> 1.The convergence waveform pcb= the one up front with the pots on it
> 2.The convergence power supply/output pcb=
> the one in the rear /left with the convergence output transistors on it
and
> the power supply for convergence.Dose this clear it up?
> What type of fluid problem are you suggesting?The chambers are full and
> clear, I have not done anything to them.
> Country TV
> Ron Miller
> Inez, TX. 77968
>
> ----- Original Message -----
> From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, September 03, 2003 5:54 AM
> Subject: [TechAssist] Re: Dynamic Focus problem.PTK169HNA.P46100TN.help
>
>
> > Ron,
> > I had to reread your post because it was confusing. So the way I read it
> > now, you have replaced the H/V distributor block (part# 205064), and
the
> > focus screen assy (part# 204809). Exactly which PCB's have you subbed?
> > Assuming you have subbed the power supply/deflection PCB already, that
> > doesn't leave much left and it may be a coolant level issue in the
CRT(s).
> >
> > Bob Waterman, CET® #RI-28
> > Master Technician License #9109
> > Service Manager / Parts Manager
> > Gemini Computer, TV, & Security Alarms
> > (508)695-7302
> > (508)695-7769 FAX
> > geminitv@xxxxxxxxxxxxxxxx
> > geminitv@xxxxxxx
> > www.geminicomputertvsecurityalarms.com
> >
> >
> > ----- Original Message -----
> > From: "Ron Miller d.b.a. Country TV" <rlmbkm@xxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Tuesday, September 02, 2003 8:31 PM
> > Subject: [TechAssist] Dynamic Focus problem.PTK169HNA.P46100TN.help
> >
> >
> > > Set will focus in the center and be out of focus at the sides or you
can
> > > adjust the focus controls to focus the outside area of pix and center
is
> > out
> > > of focus.
> > > The 205064 is new the focus screen assy is new the convergence
waveform
> > and
> > > power/output pcbs have been subbed.The normal power supply rework was
> > > done.( 142.3 run ok )
> > > Any takers on this one?
> > >
> > > Country TV
> > > Ron Miller
> > > Inez, TX. 77968
> > >
> > >
> > >
> >
>
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