[TechAssist] Re: UPD*8TV Zenith Z25A02G, 9-1789, video distortion

Hi. Per Zenith tech line, the "focus bar" IS
indicative of a bad CRT.  Jim Hester

--- AL LEATHERMAN <alleathe@xxxxxxxxxxxxx> wrote:
> 
> I would be amazed if an isolator fixed that. Sounds
> like shadow mask
> problem.
> Back up another zenith. AL
> ----- Original Message -----
> From: "Jeff Dougherty" <jeff@xxxxxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Monday, July 30, 2001 5:00 PM
> Subject: [TechAssist] Re: UPD*8TV Zenith Z25A02G,
> 9-1789, video distortion
> 
> 
> >
> > Thanks Fuzz,
> > I know about that, but I have to turn it down a
> little more, maybe a
> quarter
> > turn to get rid of the intermittent distortion.
> > Can I send it out, now that's it's working, or
> should I install a CRT
> > isolator on it?
> > Jeff
> >
> > FAX 1-413-280-0677
> > Jeff Dougherty **Vacation 8/27 to 8/30**
> > Intrepid Video & Electronics
> > 501 Luther Rd
> > Harrisburg, PA 17111
> > 717-909-8844
> > VCR tips, electronics info & general interest.
> > www.intrepid-video.com www.tech-repair.net
> www.thetoolcaddy.com
> >
> >
> > ----- Original Message -----
> > From: "Fuzz" <fantaj@xxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Monday, July 30, 2001 4:43 PM
> > Subject: [TechAssist] Re: UPD*8TV Zenith Z25A02G,
> 9-1789, video distortion
> >
> >
> > >
> > > Hi Jeff
> > > normally on zenith you adjust G2 till the
> picture gets bright with
> > > retrace then back off.
> > > hope this helps
> > > fuzz
> > > ----- Original Message -----
> > > From: "Jeff Dougherty" <jeff@xxxxxxxxxxxxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Monday, July 30, 2001 4:24 PM
> > > Subject: [TechAssist] Re: UPD*8TV Zenith
> Z25A02G, 9-1789, video
> > > distortion
> > >
> > >
> > >
> > > I just found out, reducing the screen voltage,
> the distortion does not
> > > come
> > > back.
> > > Is this a sign of a weak tube, already?
> > > Jeff
> > >
> > > FAX 1-413-280-0677
> > > Jeff Dougherty **Vacation 8/27 to 8/30**
> > > Intrepid Video & Electronics
> > > 501 Luther Rd
> > > Harrisburg, PA 17111
> > > 717-909-8844
> > > VCR tips, electronics info & general interest.
> > > www.intrepid-video.com www.tech-repair.net
> www.thetoolcaddy.com
> > >
> > >
> > > ----- Original Message -----
> > > From: "Jeff Dougherty" <jeff@xxxxxxxxxxxxxxxxxx>
> > > To: "Techsonline" <techassist@xxxxxxxxxxxxx>
> > > Sent: Monday, July 30, 2001 4:04 PM
> > > Subject: [TechAssist] TV Zenith Z25A02G, 9-1789,
> video distortion
> > >
> > >
> > > >
> > > > This is an odd one.1998 set, 9-1789 module
> > > > Usually during scene change, the picture,
> about two inches high
> > > appears
> > > out
> > > > of focus, distorted.
> > > > Distortion is all the way across the CRT,
> about two inches high, lasts
> > > for
> > > > any where from a few seconds, or until the
> next scene change.
> > > > At one point, I had rainbow colors around the
> outside edges, turning
> > > off,
> > > > and back on and the picture was normal until
> these wavy, distorted
> > > bars
> > > > appeared.
> > > > Has any one seen this one before?
> > > >
> > > > Jeff
> > > >
> > > > FAX 1-413-280-0677
> > > > Jeff Dougherty **Vacation 8/27 to 8/30**
> > > > Intrepid Video & Electronics
> > > > 501 Luther Rd
> > > > Harrisburg, PA 17111
> > > > 717-909-8844
> > > > VCR tips, electronics info & general interest.
> > > > www.intrepid-video.com www.tech-repair.net
> www.thetoolcaddy.com
> > > >
> > > >
> > > >
> > > > Help make your TechAssist online repair tips
> > > > database better!  Submit your fixes here:
> > > > http://geocities.com/circuit_work/tip/#tips
> > > > To unsubscribe write to:
> > > > techassist-request@xxxxxxxxxxxxx
> > > > with  unsubscribe  in the subject line.
> > > >
> > >
> > > Help make your TechAssist online repair tips
> > > database better!  Submit your fixes here:
> > > http://geocities.com/circuit_work/tip/#tips
> > > To unsubscribe write to:
> > > techassist-request@xxxxxxxxxxxxx
> > > with  unsubscribe  in the subject line.
> > >
> > >
> > > Help make your TechAssist online repair tips
> > > database better!  Submit your fixes here:
> > > http://geocities.com/circuit_work/tip/#tips
> > > To unsubscribe write to:
> > > techassist-request@xxxxxxxxxxxxx
> > > with  unsubscribe  in the subject line.
> > >
> >
> > Help make your TechAssist online repair tips
> > database better!  Submit your fixes here:
> > http://geocities.com/circuit_work/tip/#tips
> > To unsubscribe write to:
> > techassist-request@xxxxxxxxxxxxx
> > with  unsubscribe  in the subject line.
> 
> Help make your TechAssist online repair tips 
> database better!  Submit your fixes here: 
> http://geocities.com/circuit_work/tip/#tips
> To unsubscribe write to:
> techassist-request@xxxxxxxxxxxxx 
> with  unsubscribe  in the subject line.


__________________________________________________
Do You Yahoo!?
Make international calls for as low as $.04/minute with Yahoo! Messenger
http://phonecard.yahoo.com/
Help make your TechAssist online repair tips 
database better!  Submit your fixes here: 
http://geocities.com/circuit_work/tip/#tips
To unsubscribe write to:
techassist-request@xxxxxxxxxxxxx 
with  unsubscribe  in the subject line.

Other related posts: