[TechAssist] Re: Zenith SJ2775BG, Power Relay pulses on-off
- From: "Bruce Youmans" <youmans@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 10 Nov 2003 09:39:05 -0700
Thank you Greg, at Quality TV and Jeff at Shoreline Electronics Repair.
C3407 was the culprit. This chassis is difficult to identify the connections
on the bottom of the circuit board for the components on the top side. I
thought I was measuring the C3407 connections but found out that I was on
the wrong connections. After pulling the capacitor out and testing found the
ESR to be 10 ohms.
Thank you again for your help guys.
Bruce
Bruce's TV Service
Sierra Vista, Arizona
----- Original Message -----
From: Shoreline Electronics <jstielau@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, November 10, 2003 5:03 AM
Subject: [TechAssist] Re: Zenith SJ2775BG, Power Relay pulses on-off
---------------------------------------------------------------
Text pasted from WinSTIPS 2.0
http://www.ServiceSoftware.com
---------------------------------------------------------------
ZENITH 9-1092
Intermittent Start Up, Relay Clicks 8-10 Times
Larry's TV & Palmiscianos TV
Check C3407 For Hi Esr & Repl (100uf@50v) Located Just Fwd Of Main Filter
Cap.
---------------------------------------------------------------
==========================
Jeff Stielau
Shoreline Electronics Repair
344 East Main Street
Clinton,CT 06413
860-399-1861
860-664-3535 (fax)
jstielau@xxxxxxxx
========================
"If you push something hard enough it will fall over."
Fudd's First Law of Opposition - Sir Sidney Fudd
----- Original Message -----
From: "Bruce Youmans" <youmans@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, November 10, 2003 12:17 AM
Subject: [TechAssist] Re: Zenith SJ2775BG, Power Relay pulses on-off
> Correction,
>
> Sweep module is 9-1092
>
> ----- Original Message -----
> From: Bruce Youmans <youmans@xxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Sunday, November 09, 2003 10:13 PM
> Subject: [TechAssist] Zenith SJ2775BG, Power Relay pulses on-off
>
>
> Manufacturer: Zenith
> Model: SJ-2775BG
> Main Module: 9-1054-1
> Sweep Module: 9-0192
> Symptom: Power relay pulses on and off. There does not appear to be any
high
> voltage buildup. Have checked electrolytic capacitors, horizontal output
> transistor, rang flyback. All check OK. Power supply measures 130 Volts
DC.
> Any tips or a schematic would be appreciated. Thanks.
>
> Bruce
> Bruce's TV Service
> Sierra Vista, Arizona
>
>
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