[TechAssist] Re: update Zenith PVY6067DT rebuilt 9-1674(dead) played OK 3hrs,bowed,then black

  • From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Wed, 10 Nov 2004 16:33:35 -0500

Yes it sure is. repalce the vertical IC also. I am also sending you some
info privately.

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@xxxxxxxxxxx


----- Original Message ----- 
From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, November 10, 2004 4:18 PM
Subject: [TechAssist] update Zenith PVY6067DT rebuilt 9-1674(dead) played OK
3hrs,bowed,then black


> I pulled the 1674 board and changed the 82k and 110k, tho good. Further=20
> tracing located an open 1 ohm resistor next to fly: R3252, which feeds a =
>
> diode CR3215 that's shorted. My PARTIAL diagram shows this diode=20
> produces the +26 volts.
> It goes like this:
> Flyback pin 4, toR3252, to CR3215, the +26V.
> Is this to the vertical Vcc? if so, probable bad vert IC as well.
> Phil Bader
>
> Gemini Computer & TV wrote:
>
> >Yes they do and are a common failure. I would replace them anyway. They =
> are
> >82K and 110K.
> >
> >Bob Waterman, CET=AE #RI-28
> >Master Technician License #9109
> >Service Manager / Parts Manager
> >Gemini Computer, TV, & Security Alarms
> >(508)695-7302
> >(508)695-7769 FAX
> >geminitv@xxxxxxxxxxx
> >
> >
> >----- Original Message -----=20
> >From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
> >To: <techassist@xxxxxxxxxxxxx>
> >Sent: Wednesday, November 10, 2004 3:28 PM
> >Subject: [TechAssist] Re: Zenith PVY6067DT rebuilt 9-1674(dead) played O=
> K
> >3hrs,bowed,then black
> >
> >
> > =20
> >
> >>Not sure. will those affect the vertical size of the picture? Or the bo=
> w =3D
> >>
> >>effect?
> >>May not  have. The 9-1674- kit list did not show those included in it. =
> I =3D
> >>
> >>assume they reside on the 9-1674.
> >>Phil Bader
> >>
> >>Gemini Computer & TV wrote:
> >>
> >>   =20
> >>
> >>>Did you replace R3243 and R3244?
> >>>
> >>>Bob Waterman, CET=3DAE #RI-28
> >>>Master Technician License #9109
> >>>Service Manager / Parts Manager
> >>>Gemini Computer, TV, & Security Alarms
> >>>(508)695-7302
> >>>(508)695-7769 FAX
> >>>geminitv@xxxxxxxxxxx
> >>>
> >>>
> >>>----- Original Message -----=3D20
> >>>From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
> >>>To: <techassist@xxxxxxxxxxxxx>
> >>>Sent: Wednesday, November 10, 2004 3:13 PM
> >>>Subject: [TechAssist] Zenith PVY6067DT rebuilt 9-1674(dead) played OK
> >>>3hrs,bowed,then black
> >>>
> >>>
> >>>=3D20
> >>>
> >>>     =20
> >>>
> >>>>Try to put all that in subject line!
> >>>>originally was dead with the HOT, diode,etc on the 9-1674 deflection
> >>>>panel bad. Rebuilt board, and it ran good for several days. Reassembl=
> ed=3D
> >>>>       =20
> >>>>
> >>>>it and played 3 hours OK. Looked up and saw the picture narrow from t=
> op=3D
> >>>>       =20
> >>>>
> >>>>and bottom with a top and bottom bow. Like an "eye" shape. Powered it=
>
> >>>>off, then  after a few minutes, when I turned it on again the HV came=
>
> >>>>up, CRT filaments glowed, sound there but no picture. All 3 CRT black=
> =2E =3D
> >>>>       =20
> >>>>
> >>I
> >>   =20
> >>
> >>>>assume it went into safety mode and blanked the CRTs. I changed the
> >>>>convergence module 9-1690 (simply because I had one and the narrow
> >>>>distorted display could be this module maybe) but the same thing afte=
> r
> >>>>installation
> >>>>Maybe vertical...
> >>>>Need some input here.
> >>>>End of my rope here...
> >>>>Phil Bader
> >>>>
> >>>>--=3D20
> >>>>
> >>>>Philip Bader
> >>>>Jan Phyl TV Inc. (estab. 1976)
> >>>>3420 Recker Hwy. Winter Haven, Fl. 33880
> >>>>Fax (863) 299-8821
> >>>>email: tjanphyl@xxxxxxxxxxxxxxx
> >>>>
> >>>>
> >>>>
> >>>>---------------------------------------------------------------------=
> --=3D
> >>>>       =20
> >>>>
> >>---
> >>   =20
> >>
> >>>>  =3D20
> >>>>
> >>>>       =20
> >>>>
> >>>---
> >>>=3D20
> >>>
> >>>     =20
> >>>
> >>>>Lost Password:
> >>>>http://www.tech-assist.org  and select "Login Problems?".
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> >>>>  =3D20
> >>>>
> >>>>       =20
> >>>>
> >>>
> >>>----------------------------------------------------------------------=
> --=3D
> >>>     =20
> >>>
> >>-----
> >>   =20
> >>
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> >>>
> >>>     =20
> >>>
> >>--=3D20
> >>
> >>Philip Bader
> >>Jan Phyl TV Inc. (estab. 1976)
> >>3420 Recker Hwy. Winter Haven, Fl. 33880
> >>Fax (863) 299-8821
> >>email: tjanphyl@xxxxxxxxxxxxxxx
> >>
> >>
> >>
> >>
> >>-----------------------------------------------------------------------=
> ---
> >>   =20
> >>
> >---
> > =20
> >
> >>Lost Password:
> >>http://www.tech-assist.org  and select "Login Problems?".
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> >
> >
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>
> --=20
>
> Philip Bader
> Jan Phyl TV Inc. (estab. 1976)
> 3420 Recker Hwy. Winter Haven, Fl. 33880
> Fax (863) 299-8821
> email: tjanphyl@xxxxxxxxxxxxxxx
>
>
>
>
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