[TechAssist] Re: JVC-32050

  • From: "al m" <ampm@xxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Mon, 22 Dec 2003 10:22:10 -0500

Don't see many JVC's here. Sounds like you got a good one. Good luck.
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message ----- 
From: "S. Pasher" <spasher@xxxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, December 22, 2003 10:12 PM
Subject: [TechAssist] Re: JVC-32050


> Al thanks for reply. One of the things I forgot to mention in my original
> email was that the OSD was good , also PIP was still working and had a
good
> picture.
> Buck Pasher
> Buck's TV
> Gander Newfoundland
> Canada
> 709-256-7738 (Fax & Phone)
>
>
>
> ----- Original Message ----- 
> From: "al m" <ampm@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Sunday, December 21, 2003 11:36 PM
> Subject: [TechAssist] Re: JVC-32050
>
>
> > Check the able circuit. If no parts are open then maybe the shot of
> voltage
> > to the heaters blew out a short in the tube.
> > Al Marquardt
> > ampm@xxxxxxx
> > Al Marquardt Electronic Repair
> > 206 W Main
> > Girardville Pa. 17935
> > ----- Original Message ----- 
> > From: "S. Pasher" <spasher@xxxxxxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Monday, December 22, 2003 9:53 AM
> > Subject: [TechAssist] JVC-32050
> >
> >
> > > I've got a puzzle with this one. It came in with sound no picture. If
> you
> > > turned the screen up you could get a picture just before the overdrive
> > lines
> > > come on.
> > > After chasing video all around the place and finding that waveforms
were
> > > about 1/4 what they should be coming out of the I/C that feeds the
> > > pic.socket, I started to check the ABL cct. I found that it was 1.5
volt
> > > low. Went to F/B found voltage low there also. My tech was checking in
> > that
> > > area and accidentally shorted pin 2 (ABL and Heater) to pin 3 (210
volts
> > to
> > > pic socket). the picture came back and after 2 hours running is still
> > good.
> > > I am wondering if anyone has had problems in this area before. I don't
> > like
> > > to give the TV back and have it fail again for same problem. I will
run
> it
> > > for a day or two and if OK and I don't get any replies I will give it
> > back.
> > >
> > > Buck Pasher
> > > Buck's TV
> > > Gander Newfoundland
> > > Canada
> > > 709-256-7738 (Fax & Phone)
> > >
> > >
> > >
> > >
> > >
> >
>
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