[TechAssist] Re: FW: Zenith SJ2071, 9-1053, Sams 3081

  • From: "Jeff Dougherty" <jeff@xxxxxxxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Sun, 11 Nov 2001 09:55:36 -0500

Art,
Try this for washed out picture:
From Tech Repair CD:
CHECK R2590 & R2591 BOTH 150K OHM FOR CHANGE IN VALUE
Jeff
mailto:Jeff@xxxxxxxxxxxxxxxxxx  www.9-11-2001tragedy.com
FAX 1-413-280-0677
Intrepid Video & Electronics
Harrisburg, PA 17111
717-909-8844
www.intrepid-video.com www.tech-repair.net www.thetoolcaddy.com
----- Original Message ----- 
From: "art bevilacqua" <abevilac@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Sunday, November 11, 2001 12:31 AM
Subject: [TechAssist] FW: Zenith SJ2071, 9-1053, Sams 3081


> This set came in with all channels lower than 23 completely washed out
> with herring bone video and no sound (mute indication comes in and goes
> out). Direct video and audio inputs work perfectly. The items prior to
> the video switching chip (if transistor, if IC, and video amp) have
> essentially correct voltages. L1211 (between two pins of the IF IC)
> looked as though it's slug was backed way out, so I moved that a bit and
> now have faint video, as though behind a gauze screen, and faint audio.
>  
> I think this is chassis series C3 (it's a two-board chassis, the left
> side (viewing from rear) is 9-1053), but don't have an exact schematic. 
>  
> Thanks for any suggestions.
>  
> Art Bevilacqua
> Essex Radio and TV
> 40 Main Street
> Essex, MA 01929
> abevilac@xxxxxxxxxxxxx
>  
> 
> 
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