[TechAssist] Re: Zenith 1998 model A50M91W9, was dead now convergence IC's are shorted.

  • From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Mon, 22 Sep 2003 07:30:11 -0400

Besides WINSTIPS below, check resistors R3243 (110K) and R3244 (82K) on the
9-1978 module.
---------------------------------------------------------------
Text pasted from WinSTIPS 2.0
http://www.ServiceSoftware.com
---------------------------------------------------------------

ZENITH   9-1978

Convergence/  Bent Lines In Pic/ Resistors Burnt On Convergence Board

Chambers Electronic Service

Cr3419 Shorted And Fx3460 Blown Replaced Burned Resistors On Convergence
Board R4161 & R1460

---------------------------------------------------------------
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: "Kevin" <kevintv@xxxxxxx>
To: "TECH-ASSIST" <techassist@xxxxxxxxxxxxx>
Sent: Friday, September 19, 2003 7:46 PM
Subject: [TechAssist] Zenith 1998 model A50M91W9, was dead now convergence
IC's are shorted.


> Set came in dead with HOT and diode (CRX3412) shorted.  Replaced HOT,
> diode, C3460 and flyback.  Set came back to life with convergence way
> off.  Convergence IC's tested shorted.  My question is:  Has anyone had
> both the flyback and convergence IC's (STK392-110) fail at the same
> time?  It seems kind of unusual to me.  Thanks.
>
> Kevin Wilks
> Kevin's TV & Video Repair
> Penticton BC Canada
> kevintv@xxxxxxx
>
>
>
>
****************************************************************************
*
> Classifieds! Buy or Sell!
> http://sell.tech-assist.org
> The Tech Address Book:
> http://www.tech-assist.org/secure/tip/contact.htm
> Add a Repair Tip Here, or Change/Remove your Email Address:
> http://www.tech-assist.org/secure/tip/main.htm
> Lost Password:
> http://www.tech-assist.org  and select "Lost your Login Info?".
> Email Archives:
> //www.freelists.org/archives/techassist/
>

*****************************************************************************
Classifieds! Buy or Sell!
http://sell.tech-assist.org
The Tech Address Book:
http://www.tech-assist.org/secure/tip/contact.htm
Add a Repair Tip Here, or Change/Remove your Email Address:
http://www.tech-assist.org/secure/tip/main.htm
Lost Password:
http://www.tech-assist.org  and select "Lost your Login Info?".
Email Archives:
//www.freelists.org/archives/techassist/

Other related posts: