[TechAssist] Re: Zenith TV
- From: "Bob@Bobs tv" <woodman1@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 30 May 2003 10:23:22 -0400
> Hi Chris,
> That's a set from the mid 80's and was a very common problem,
> but most of the time you can tap the neck of the tube and it will correct
it
> for a very long time...I guess it was caused by crap on the elements,
> tapping caused it to drop into the tube. And testing, usually it would not
> always show up.
> Bob,
>
> Bobs TV Worcester, ma
>
> woodman1@xxxxxxxx
>
> Main 508-853-1482
> Fax 508-853-1480
> ----- Original Message -----
> From: "RepairWorld ListBot" <listbot@xxxxxxxxxxxxxxx>
> To: "RepairWorld ListBot" <listbot@xxxxxxxxxxxxxxx>
> Sent: Thursday, May 29, 2003 4:04 PM
> Subject: Zenith TV
>
>
> > Date: Thu, 29 May 2003 11:57:56 -0500 From: "Chris Carter" Subject:
Zenith
> TV
> >
> > Hi, I am working on an older Zenith console TV. Model SS6511G. This set
> has a 9-516 main module and a 9-467-01 video output module on the neck of
> the CRT. The set is in the customer's home and I would like to be able to
> repair it there and not have to move it to the shop. The problem with the
> set is when it is first turned on, it has picture and sound, but then
within
> a few seconds, it goes to a solid blue screen. According to my picture
tube
> tester, the CRT is good and all 3 guns are reading close to the same.
> Tapping on the neck of the tube with a screwdriver handle has not effect.
I
> am thinking that the video output module is bad with possibly shorted
> transistors in the blue driver circuit. This module is no longer available
> from my parts supplier, so I will have to repair the module now in the
set.
> I am wondering if anyone has had any experiences with this type of
problem.
> Hopefully, I can just bring the 9-467-01 module to the shop and test the
> transistors in the blue driver circuit and replace the bad ones and this
> will solve the problem.But, I would like some input on this before going
any
> further with the set. I have not worked on an older set like this for
quite
> some time. Thanks in advance. Chris at Custom Electronics.
> >
> > --- Chris Carter
> > --- servicer2000@xxxxxxxxxxxxx
> > --- EarthLink: The #1 provider of the Real Internet.
> >
> >
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