[TechAssist] Re: Zenith proj. model#A50M91W1
- From: Bill Boyd <billstvs@xxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Mon, 28 Oct 2002 23:49:20 -0600
Before you waste too much time on it, remove the lenses and check
the tubes to make sure they are not burned.
Bill
Bill's TV Service
Sulphur Springs, TX
>From: "Shoreline Electronics" <jstielau@xxxxxxxx>
>To: <techassist@xxxxxxxxxxxxx>
>Subject: [TechAssist] Re: Zenith proj. model#A50M91W1
>Date: Mon, 28 Oct 2002 19:48:47 -0500
>
>
>Buck,
>
> These sets are famous for leaks.....there is a kit from Zenith which
>handles the problem. Call them for a repair kit ( should be free!
>888-393-6484. A far as the shorted H- output fix. Hv block & fly are prob
>OK. Inspect the CRT drive boards for burnt parts & shorted resistors.
>
>
>---------------------------------------------------------------
>Text pasted from WinSTIPS 2.0
>http://www.ServiceSoftware.com
>---------------------------------------------------------------
>ZENITH 9-1978
>Set Comes On With Sound But No Raster On Any Of The Tubes
>Chambers Electronic Service
>Replaced H V Block A-17196-05, Qx3200 And Crx3412 Restored High Voltage And
>All Three Tubes Came On
>---------------------------------------------------------------
>ZENITH 9-1978
>Video No Go - High Voltage Ok
>Check R3244 / 8.2k And R3243 / 110k Both 1/2 Watts On 9-1978 Module
>---------------------------------------------------------------
>
>These are funky sets to work on.........kind of a bad place to start with on
>projo's. Fix the sweep module....contain the leaks & you should be all set.
>
>
>Jeff Stielau
>Shoreline Electronics Repair
>125 Beech Tree Lane
>Westbrook, CT 06498
>860-399-1861
>860-664-3535 (fax)
>jstielau@xxxxxxxx
>----- Original Message -----
>From: "sterling pasher" <spasher@xxxxxxxxxxxxxxxxx>
>To: <techassist@xxxxxxxxxxxxx>
>Sent: Monday, October 28, 2002 6:05 PM
>Subject: [TechAssist] Zenith proj. model#A50M91W1
>
>
> >
> > I wonder if anyone can help me as this is a new experience to me. Got a
>call
> > for a Zenith proj. today. he had sound but no picture, I found that the
> > Horz Out was shorted. This was replaced, still the same. Upon inspection
>we
> > found oil from 2 of pic tubes had leaked out. My question (as I am not
>that
> > familiar with projs. as I have only seen 2 before) is ,are the tubes gone
>or
> > can the oil be replaced? Also if whatever caused the leak be repaired?
>Also
> > would this leak cause the Horz Out. to short?
> > Buck Pasher
> > Buck's TV
> > Gander Newfoundland
> > Canada
> > 709-256-7738 (Fax & Phone)
> >
> >
> >
> >
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