[TechAssist] Re: Zenith SE3191H, 9-700, 9-604..No audio

  • From: "Keith Trumbla" <ktrumbla@xxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Fri, 17 Oct 2003 10:15:00 -0500

Hi Jeff, those 9-700 chassis are notorious for bad solder and bad digital
IC's . Good luck if it's the latter. I do still have some of those IC's in
stock, but they are NLA from Zenith. Also the ZCU module that stands up off
the main module gives weird problems.
Keith
B.E.M Electronics
----- Original Message -----
From: "Philip Bader" <tjanphyl@xxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, October 17, 2003 10:05 AM
Subject: [TechAssist] Re: Zenith SE3191H, 9-700, 9-604..No audio


> Jeff, my experience tells me the CRT magnetism issue may indicate a very
> close by lightning strike (magnetic field).Did customer use external
> speakers? Possibly static took out the audio amp IC. Will research model
> further.
> Phil Bader
>
> Intrepid Video Support wrote:
> >
> > Unit came it with severely magnetized CRT and no audio.
> > I manually degaussed the CRT and that seems to have worked.
> > I do have audio out of jacks, though not very loud.
> > In the menu settings, the only audio option available is Mono..Stereo
and SAP say not available.
> > I noticed the degauss coil drooping pretty low under the CRT and thought
maybe it damaged the
> > speakers...but it doesn't appear to be close enough to all four front
speakers.
> > I'm not at all familiar with this unit..has anyone seen this problem
before?
> > ..OH, I also found bad solder on I believe RX3676...black box device
with 63-11078..one pin was totally
> > breaking contact
> >
> > Jeff Dougherty
> > Intrepid Video TV/VCR
> > 263 S Front St
> > Steelton PA 17113
> > fax...717-564-4952
> > www.intrepid-video.com www.tech-repair.net
> >
> >
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> --
> Philip Bader
> Jan Phyl TV Inc. (estab. 1976)
> 3420 Recker Hwy. Winter Haven, Fl. 33880
> Fax (863) 299-8821
> email: tjanphyl@xxxxxxxxxxxxxxx
> For Professional Technicians Only
>
>
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