[TechAssist] Re: Zenith SR2571 chassis 9-1445? int pix
- From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 23 Sep 2003 14:46:42 -0400
Just in case you need this info, that is a C11 chassis, main module part#
9-1445-01. The service literature is in manual CM-147, C11(A). Also check
the connections on/to the 9-1385 PIP module.
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@xxxxxxxxxxxxxxxx
geminitv@xxxxxxx
www.geminicomputertvsecurityalarms.com
----- Original Message -----
From: "Leonard G. Caillouet" <lcaillo@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, September 23, 2003 1:33 PM
Subject: [TechAssist] Re: Zenith SR2571 chassis 9-1445? int pix
> Duh, looks like it was the delay line. Sometimes I jsut forget to check
the
> obvious...testing it now.
>
> Leonard G. Caillouet
> Electronics World
> Gainesville, FL
> 352-332-5608
> 352-332-5668 (fax)
>
> ----- Original Message -----
> From: "Leonard G. Caillouet" <lcaillo@xxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, September 23, 2003 12:53 PM
> Subject: [TechAssist] Zenith SR2571 chassis 9-1445? int pix
>
>
> This 25" tv works fine for long periods and then loses video. Raster
> remains, but no output from VCJ to video amps. Have resoldered nearly all
> connections in the area and beyond. ICX1200 LA7672 runs pretty warm.
>
> Anyone have any ideas or a schematic. I think the chassis number is right
> but it is hard to tell b/c the label is damaged. I could use a copy of
the
> vicinity of ICX1200 and the video signal path.
>
> OSD continues to work, same symptom on video input and tuner.
>
> The Sanyo datasheet on the LA7672 indicates pin 40 is ext video in, but I
> don't get any video there, even when the pix is fine.
>
> Have checked the archives and tips as well as Tech-repair disc and Anatek
> archive.
>
> Thanks.
>
> Leonard G. Caillouet
> Electronics World
> Gainesville, FL
> 352-332-5608
> 352-332-5668 (fax)
>
>
>
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